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# RedEcho Group Parks Domains After Public Exposure A Chinese hacking group linked to a campaign that targeted India’s power grid and critical infrastructure entities has taken down its attack infrastructure after having its operations exposed at the end of February 2021. Known as RedEcho, the group is one of many Chi...
# Full RedLine Malware Analysis **Muhammad Hasan Ali** **Malware Analysis learner** **April 21, 2022** **5 minute read** ## Introduction Redline Stealer has been delivered through various channels. It is mostly distributed through phishing emails or malicious software disguised as installation files such as ...
# Is Hagga Threat Actor (ab)using FSociety framework? **November 21, 2022** ## Introduction Today I’d like to share a quick analysis initiated during a threat hunting process. The first observable was found during the hunting process over OSINT sources; the entire infrastructure was still up and running during the a...
# Largest Global Staffing Agency Randstad Hit by Egregor Ransomware Staffing agency Randstad NV announced today that their network was breached by the Egregor ransomware, which stole unencrypted files during the attack. Randstad is the world's largest staffing agency with offices in 38 markets and the owner of the wel...
# Identification of a new cybercriminal group: Lockean Based on incidents reported to the ANSSI and their commonalities, investigations were carried out by the Agency to confirm the existence of a single cyber criminal group responsible for these incidents, understand its modus operandi and distinguish its techniques,...
# DİAMONDFOX Technical Analysis Report ## Introduction x86_64setup.exe, a recently released, uninformed and blended example, shows the features of many malware families such as Redline, Smokeloader, Asyncrat, Vidar, which can also be seen in the image, although it is from the diamondfox family. It covers everything fr...
# White Paper: Pacifier APT ## Overview Bitdefender detected and blocked an ongoing cyber-espionage campaign against Romanian institutions and other foreign targets. The attacks started in 2014, with the latest reported occurrences in May of 2016. The APT, dubbed Pacifier by Bitdefender researchers, makes use of mali...
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# ICEDID's Network Infrastructure is Alive and Well ## Key Takeaways - ICEDID is a full-featured trojan that uses TLS certificate pinning to validate C2 infrastructure. - While the trojan has been tracked for several years, it continues to operate relatively unimpeded. - A combination of open source collection tools c...
# LockFile Ransomware’s Box of Tricks: Intermittent Encryption and Evasion **Mark Loman** **August 27, 2021** LockFile is a new ransomware family that emerged in July 2021 following the discovery in April 2021 of the ProxyShell vulnerabilities in Microsoft Exchange servers. LockFile ransomware appears to exploit th...
# Jaff - New Ransomware From the Actors Behind the Distribution of Dridex, Locky, and Bart **May 11, 2017** After a two-week break in campaign activity, the actors behind the distribution of Locky and Dridex have introduced a new ransomware called “Jaff”. The group has introduced new ransomware before in similar fash...
# APT28 Delivers Zebrocy Malware Campaign Using NATO Theme as Lure **Executive Summary** On 9 August, QuoIntelligence detected an ongoing APT28 campaign, which likely started on 5 August. The malware used in the attack was the Zebrocy Delphi version. All the artifacts had very low Anti-Virus (AV) detection rates on ...
# Analyzing a Watering Hole Campaign Using macOS Exploits To protect our users, TAG routinely hunts for 0-day vulnerabilities exploited in-the-wild. In late August 2021, TAG discovered watering hole attacks targeting visitors to Hong Kong websites for a media outlet and a prominent pro-democracy labor and political gr...
# TRISIS Malware ## Analysis of Safety System Targeted Malware ### Executive Summary In mid-November 2017, the Dragos, Inc. team discovered ICS-tailored malware deployed against at least one victim in the Middle East. The team identifies this malware as TRISIS because it targets Schneider Electric’s Triconex safety ...
# Agent.btz - A Threat That Hit Pentagon According to this publication, the senior military leaders reported the malware breach incident that affected the U.S. Central Command network, including computers both in the headquarters and in the combat zones. The threat involved in this incident is referred to as Agent.btz...
# December 23 – 29, 2019 ## YOUR CHECK POINT THREAT INTELLIGENCE REPORT ### TOP ATTACKS AND BREACHES - Check Point researchers have detected a phishing campaign impersonating the Royal Bank of Canada and other Canadian banks. The attack contained emails sent to targeted customers that use look-alike domains to appear...
# Targeting Portugal: A New Trojan ‘Lampion’ Has Spread New trojan called ‘Lampion’ has spread using template emails from the Portuguese Government Finance & Tax during the last days of 2019. The last days of 2019 were the perfect time to spread phishing campaigns using email templates based on the Portuguese Governme...
# Polyglot – the fake CTB-locker Cryptor malware programs currently pose a very real cybersecurity threat to users and companies. Organizing effective security requires the use of security solutions that incorporate a broad range of technologies capable of preventing a cryptor program from landing on a potential victi...
# Wslink: Unique and Undocumented Malicious Loader that Runs as a Server There are no code, functionality or operational similarities to suggest that this is a tool from a known threat actor. ESET researchers have discovered a unique and previously undescribed loader for Windows binaries that, unlike other such loade...
# Extrapolating Adversary Intent Through Infrastructure ## Introduction Adversary cyber operations require communication to victim networks to deliver effects on objectives. When performed over public networks, competent adversaries rarely communicate directly from their “home” locations but use various proxied infra...
# Shining a Light on DARKSIDE Ransomware Operations **Threat Research** Jordan Nuce, Jeremy Kennelly, Kimberly Goody, Andrew Moore, Alyssa Rahman, Matt Williams, Brendan McKeague, Jared Wilson May 11, 2021 ## Update (May 14) Mandiant has observed multiple actors cite a May 13 announcement that appeared to be s...
# Asruex Backdoor Infects Files Via Old Vulnerabilities Since it first emerged in 2015, Asruex has been known for its backdoor capabilities and connection to the spyware DarkHotel. However, when we encountered Asruex in a PDF file, we found that a variant of the malware can also act as an infector particularly through...
# MATA: Multi-platform Targeted Malware Framework As the IT and OT environment becomes more complex, adversaries are quick to adapt their attack strategy. For example, as users’ work environments diversify, adversaries are busy acquiring the TTPs to infiltrate systems. Recently, we reported to our Threat Intelligence ...
# Luci Spools the Fun with Phobos Ransomware **Bex Nitert** Director, Digital Forensics & Incident Response Published on 3 March 2022 The Digital Forensics and Incident Response (DFIR) team at ParaFlare recently helped an Australian manufacturer impacted by Phobos ransomware. Unexpectedly, our investigation fou...
# Mummy Spider’s Emotet Malware is Back After a Year Hiatus; Wizard Spider’s TrickBot Observed in Its Return Anomali Cyber Watch, Cyber Threat Intelligence, ThreatStream | November 23, 2021 by Anomali Threat Research Mummy Spider (TA542, Emotet) recently resumed their malicious activity with the notorious informati...
# A Quick Analysis of the Latest Shadow Brokers Dump Just in time for Easter, the Shadow Brokers released the latest installment of an NSA data dump, which contained an almost overwhelming amount of content – including, amongst other things, a number of Windows exploits. We thought we’d run some quick analysis on vari...
# Spam Campaign Delivers Cross-platform RAT Adwind Adwind/jRAT resurfaces in another spam campaign. This time, however, it’s mainly targeting enterprises in the aerospace industry, with Switzerland, Ukraine, Austria, and the US the most affected countries. Cybercriminals are opportunists. As other operating systems (...
# Premium SMS Scam Apps on Play Store A fake photo editor, camera filter, games, and other apps promoted via Instagram and TikTok channels. Last week, I reported 80 apps belonging to a premium SMS scam campaign, which signs victims up for expensive premium SMS services that earn a bad actor or actors money while ulti...
# How UPS, FedEx, and DHL Phishing Emails Work **What happened:** Votiro’s Research Team has discovered a malicious macro that delivers a Dridex trojan payload hiding in Microsoft Excel spreadsheets delivered via phishing emails appearing to be from UPS, FedEx, and DHL. The Excel spreadsheet includes an obfuscated m...
# KillNet and Affiliate Hacktivist Groups Targeting Healthcare with DDoS Attacks March 17, 2023 In the last year, geopolitical tension has led to an uptick of reported cybercrime events fueled by hacktivist groups. The US Cybersecurity and Infrastructure Security Agency (CISA) published an advisory to warn organizati...
# 'Cock.li' Admin Says He’s Not Surprised Russian Intelligence Uses His Site On Monday the FBI, DHS, and CISA—the U.S. government agency focused on defensive cybersecurity—published a report laying out the tools, techniques, and capabilities of the SVR, the Russian foreign intelligence service that the U.S. has blamed...
# Recent Cloud Atlas Activity Also known as Inception, Cloud Atlas is an actor that has a long history of cyber-espionage operations targeting industries and governmental entities. We first reported Cloud Atlas in 2014 and we’ve been following its activities ever since. From the beginning of 2019 until July, we have b...
# Linux Malware Strengthens Links Between Lazarus and the 3CX Supply-Chain Attack April 20, 2023 Similarities with newly discovered Linux malware used in Operation DreamJob corroborate the theory that the infamous North Korea-aligned group is behind the 3CX supply-chain attack. ESET researchers have discovered a new ...
# Tortoiseshell Group Targets IT Providers in Saudi Arabia in Probable Supply Chain Attacks A previously undocumented attack group is using both custom and off-the-shelf malware to target IT providers in Saudi Arabia in what appear to be supply chain attacks with the end goal of compromising the IT providers’ customer...
# The Re-Emergence of Emotet November 30, 2021 | Ron Ben Yizhak Emotet, the malware botnet, has resurfaced after almost 10 months. The operation was originally taken down by multiple international law enforcement agencies this past January. These agencies took control of the infrastructure and scheduled an un-install...
# Disclosure of Chilean Redbanc Intrusion Leads to Lazarus Ties January 15, 2019 Flashpoint analysts believe that the recently disclosed intrusion suffered in December 2018 by Chilean interbank network Redbanc involved PowerRatankba, a malware toolkit with ties to North Korea-linked advanced persistent threat (APT) g...
# 'World's Most Wanted Man' Involved in Bizarre Attempt to Buy Hacking Tools The fugitive executive of the embattled payment startup Wirecard was mentioned in a brazen and bizarre attempt to purchase hacking tools and surveillance technology from an Italian company in 2013, an investigation by Motherboard and the Germ...
# The UNC2529 Triple Double: A Trifecta Phishing Campaign **Threat Research** Nick Richard, Dimiter Andonov May 04, 2021 In December 2020, Mandiant observed a widespread, global phishing campaign targeting numerous organizations across an array of industries. Mandiant tracks this threat actor as UNC2529. Based ...
# End-to-end Botnet Monitoring ## Emulator – Sandbox Synergy - Emulator inputs: - Intelligence Requirements (IR’s) - C2 domains/IP addresses - RSA public keys - Priority Intelligence Requirements (PIR’s) - Version numbers - Specific Intelligence Requirements (SIR’s) - Sandbox inputs: - Fresh sample...
# Confucius APT Android Spyware Targets Pakistani and Other South Asian Regions Confucius APT Android Spyware has been identified as targeting Pakistan and other regions in South Asia. ## Offices We’re remote-friendly, with office locations around the world: San Francisco, Atlanta, Rome, Dubai, Mumbai, Bangalore, S...
# PennyWise Stealer: An Evasive Infostealer Leveraging YouTube to Infect Users **June 30, 2022** ## Multi-Threading Approach Used for Rapid Exfiltration During our routine Threat-Hunting exercise, Cyble Research Labs came across a new stealer named “PennyWise” shared by a researcher. The stealer appears to have been...
# Weaponizing a Lazarus Group Implant ## Repurposing a 1st-stage loader to execute custom 'fileless' payloads by: Patrick Wardle / February 22, 2020 --- ### Background Recently, a new piece of macOS malware was discovered: Another #Lazarus #macOS #trojan **md5:** 6588d262529dc372c400bef8478c2eec **hxxps:** uni...
# Who is Mr Wang? In our last article, we identified Jinan Quanxin Technology Co. Ltd. (济南全欣方沅科技有限公司) and Jinan Anchuang Information Technology Co. Ltd. (济南安创信息科技有限公司) as companies associated with Guo Lin (郭林), a likely MSS Officer in Jinan. ## Jinan Fanglang Information Technology Company As disclosed previously by...
# Reversing GO Binaries Like a Pro GO binaries are weird, or at least, that is where this all started out. While delving into some Linux malware named Rex, I came to the realization that I might need to understand more than I wanted to. Just the prior week I had been reversing Linux Lady which was also written in GO; ...
# Technical Analysis of Bumblebee Malware Loader **Anandeshwar Unnikrishnan** **August 4, 2022** Malware loaders are essentially remote access trojans (RATs) that establish communication between the attacker and the compromised system. Loaders typically represent the first stage of a compromise. Their primary goal ...
# Having fun with a Ursnif VBS dropper I recently stumbled across an interesting sample that was delivered as part of an encrypted zip archive via a Google-Drive link. The password for the archive was sent by email together with the Google-Drive link. Since the sample runs only partially in some sandboxes and it’s not...
# Analysis of Microsoft CVE-2022-21907 On January 11th, 2022 Microsoft released a patch for CVE-2022-21907 as part of Microsoft’s Patch Tuesday. CVE-2022-21907 attracted special attention from industry insiders due to the claim that the vulnerability is worm-able. In this analysis, we will look at the cause of the vul...
# GriftHorse Android Trojan Steals Millions from Over 10 Million Victims Globally With the increase of mobile device use in everyday life, it is no surprise to see cybercriminals targeting these endpoints for financial crimes. Zimperium zLabs recently discovered an aggressive mobile premium services campaign with upwa...
# Microsoft Exchange Zero Days – Mitigations and Detections This post will explain what the Microsoft Zero Days are, and then provide all mitigation and detection advice which I am aware of so far. It will be updated every day, if and when new information is available. ## What are the Exchange Zero Days? In case yo...
# The Avast Abuser: Metamorfo Banking Malware Hides By Abusing Avast Executable **Chen Erlich** April 9, 2020 ## SUMMARY In May 2019, enSilo’s Threat Intelligence team observed activity by a cybercrime group spreading Metamorfo — a Brazilian banking trojan. The variants discovered abuse an executable digitally s...
# Core DoppelPaymer Ransomware Gang Members Targeted in Europol Operation Europol has announced that law enforcement in Germany and Ukraine targeted two individuals believed to be core members of the DoppelPaymer ransomware group. The operation consisted of raiding multiple locations in the two countries in February a...
# Ransomware Hit ATM Giant Diebold Nixdorf Diebold Nixdorf, a major provider of automatic teller machines (ATMs) and payment technology to banks and retailers, recently suffered a ransomware attack that disrupted some operations. The company says the hackers never touched its ATMs or customer networks, and that the in...
# Transparent Tribe: Evolution Analysis, Part 2 **Authors** Giampaolo Dedola ## Background + Key Findings Transparent Tribe, also known as PROJECTM or MYTHIC LEOPARD, is a highly prolific group whose activities can be traced as far back as 2013. In the last four years, this APT group has never taken time off. They...
# Agent TeslAggah In May of 2020, Deep Instinct reported on a new variant of the malware loader called “Aggah,” a fileless loader that takes advantage of LOLBINS and free services such as Bitly, Blogger, etc. Heading into the second December of the Covid-19 pandemic, Aggah has continued the trend of using Covid-19 as ...
# Rapid Response: Mass Exploitation of On-Prem Exchange Servers **UPDATED 14 April:** Huntress is aware of the new Microsoft Exchange vulnerabilities disclosed in the Microsoft April Security Update. Our team has yet to detect exploits targeting these new vulnerabilities on any hosts running the Huntress agent but wil...
# Espionage Campaign Linked to Russian Intelligence Services **Date:** 13.04.2023 The Military Counterintelligence Service and the CERT Polska team (CERT.PL) observed a widespread espionage campaign linked to Russian intelligence services, aimed at collecting information from foreign ministries and diplomatic entitie...
# Keranger: The First “In-the-Wild” Ransomware for Macs By Liviu Arsene Ransomware has been one of the most lucrative threats for cybercriminals. With the FBI estimating financial losses were up $1 billion dollars in 2017 alone, by the end of 2018 it’s reasonable to speculate that those numbers will be significantly ...
# The Tale of the Pija-Droid Firefinch From the illuminating malware adversaries series. One thing that I’ve learned from investigating malware adversaries for over a decade is that they enjoy reusing nicknames. An adversary that I have been tracking since February 2019 likes to use the moniker “Droid” in their Lokib...
# MegaCortex, Deconstructed: Mysteries Mount as Analysis Continues It’s been a week since we published our initial research on the ransomware calling itself MegaCortex. Our initial post was written over about a day and a half, as we started to observe an early outbreak on May 1. We have a lot of new information to sha...
# Weiterentwicklung anspruchsvoller Spyware: von Agent.BTZ zu ComRAT Im November 2014 veröffentlichten die Experten der G DATA SecurityLabs einen Artikel über ComRAT, den Nachfolger von Agent.BTZ. Wie wir damals erläuterten, stand dieser Fall mit dem Uroburos-Rootkit in Verbindung. Wir gehen davon aus, dass der Entwic...
# BlackSnake Ransomware Emerges from Chaos Ransomware’s Shadow **March 9, 2023** New Ransomware Goes Beyond Traditional Tactics with Clipper Integration Ransomware is a significant threat that can encrypt its victims’ files and demand a ransom. Additionally, the Threat Actors (TAs) responsible for these attacks ofte...
# New variant of Mac Trojan discovered, targeting Tibet By Graham Cluley 13 Nov 2012 It’s true to say that there’s a lot less malware in existence for Macs than there is for Windows PCs. But that doesn’t mean that it doesn’t exist at all. Clinging onto the statistics of the much smaller proportion of Mac malware ...
# SideWinder Uses South Asian Issues for Spear Phishing, Mobile Attacks While tracking the activities of the SideWinder group, we identified a server used to deliver a malicious LNK file and host multiple credential phishing pages. In addition, we also found multiple Android APK files on their phishing server. **By:*...
# The Art and Science Behind Microsoft Threat Hunting: Part 2 We discussed Microsoft Detection and Response Team’s (DART) threat hunting principles in part 1 of The Art and Science Behind Microsoft Threat Hunting blog series. In this follow-up post, we will talk about some general hunting strategies, frameworks, tools...
# Low-volume Multi-stage Attack Leveraging AzureEdge and Shopify CDNs ## Introduction In Feb 2021, Threatlabz observed a few instances of a low-volume multi-stage web attack in Zscaler cloud. This web attack leveraged legitimate servers of Microsoft (azureedge.net), Dropbox, and the content delivery network of Shopif...
# China’s Five-Year Plan: A Pursuit for GDP Growth & Technological Self-Sufficiency China’s 14th Five-Year Plan draft, which sets goals and strategies for developing the country’s economy until 2025, was unveiled last week. China’s Five-Year Plans set economic and social development targets, and this year’s plan highl...
# Attackers Leveraging Dark Utilities "C2aaS" Platform in Malware Campaigns **By Cisco Talos** **August 4, 2022** ## Executive Summary Dark Utilities, released in early 2022, is a platform that provides full-featured C2 capabilities to adversaries. It is marketed as a means to enable remote access, command execu...
# Hunter Becomes Hunted: Zebra2104 Hides a Herd of Malware **The BlackBerry Research & Intelligence Team** ## Executive Summary The BlackBerry Research & Intelligence Team has uncovered an unusual connection between the actions of three distinct threat groups, including those behind financially motivated ransomware ...
# From Zero to Sixty ## The Story of North Korea’s Rapid Ascent to Becoming a Global Cyber Superpower ### Speaker Background **Jason Rivera** Director: Strategic Threat Advisory Group - 14+ years innovating at the intersection of security operations & technology - US Government: Former Intelligence Officer/Capt...
# Alert (AA21-265A) ## Summary ### Immediate Actions You Can Take Now to Protect Against Conti Ransomware - Use multifactor authentication. - Segment and segregate networks and functions. - Update your operating system and software. March 9, 2022: this joint CSA was updated to include indicators of compromise and th...
# Regin: Top-tier Espionage Tool Enables Stealthy Surveillance ## Overview In the world of malware threats, only a few rare examples can truly be considered groundbreaking and almost peerless. What we have seen in Regin is just such a class of malware. Regin is an extremely complex piece of software that can be custo...
# Exclusive: Apple, Macs Hit by Hackers Who Targeted Facebook By Jim Finkle, Joseph Menn BOSTON/SAN FRANCISCO (Reuters) - Apple Inc was recently attacked by hackers who infected Macintosh computers of some employees, the company
# Vipasana Ransomware: New Ransom on the Block Yet another ransomware is going around (since at least the 20th of December), which I've dubbed Vipasana ransomware due to where you need to send your encrypted files to: Message in Russian, you need to mail vipasana4@aol.com to get your files back. The name may be deri...
# LokiBot - The First Hybrid Android Malware ## Abstract Lately, we have been seeing a new variant of Android banking malware that is well-developed and provides numerous unique features such as a ransomware module. Based on the BTC addresses used in the source code, it seems that the actors behind this new Android m...
# Smoke Loader – Downloader with a Smokescreen Still Alive This time we will have a look at another payload from the recent RIG EK campaign. It is Smoke Loader (Dofoil), a bot created several years ago – one of its early versions was advertised on the black market in 2011. Although there were some periods of time in w...
# MagicRAT: Lazarus’ Latest Gateway into Victim Networks By Jung Soo An, Asheer Malhotra, and Vitor Ventura. Cisco Talos has discovered a new remote access trojan (RAT) we're calling "MagicRAT," developed and operated by the Lazarus APT group, which the U.S. government believes is a North Korean state-sponsored actor...
# Ragnar Locker – Malware Analysis The popularity of ransomware threats does not appear to be decreasing. Instead, more sophisticated ransomware threats are being deployed. Ragnar Locker is a new data encryption malware in this style. Ragnar Locker is ransomware that affects devices running Microsoft Windows operatin...
# Bridgestone Americas Confirms Ransomware Attack, LockBit Leaks Data A cyberattack on Bridgestone Americas, one of the largest manufacturers of tires in the world, has been claimed by the LockBit ransomware gang. The threat actor announced that they will leak all data stolen from the company and launched a countdown ...
# Industrial Control System Threats ## A Year in Threats 2017 represents a defining year in ICS security: two major and unique ICS-disruptive attackers were revealed; five distinct activity groups targeting ICS networks were identified; and several large-scale IT infection events with ICS implications occurred. While...
# FBI Quietly Admits to Multi-Year APT Attack, Sensitive Data Stolen OPM was 20.5 million with 5.6 million fingerprints. Who can I contact regarding being a possible victim of these cyber threats via car internet hands-free calling via iPhone, Apple Pay, OnStar antenna technology and unencrypted bank along with law f...
# "Forkmeiamfamous": Seaduke, Latest Weapon in the Duke Armory Low-profile information-stealing Trojan is used only against high-value targets. Symantec has uncovered an elusive Trojan used by the cyberespionage group behind the "Duke" family of malware. Seaduke (detected by Symantec as Trojan.Seaduke) is a low-profi...
# Waterbug: Espionage Group Rolls Out Brand-New Toolset in Attacks Against Governments The Waterbug espionage group (aka Turla) has continued to attack governments and international organizations over the past eighteen months in a series of campaigns that have featured a rapidly evolving toolset and, in one notable in...
# Ransom DDoS Extortion Actor “Fancy Lazarus” Returns **Key Takeaways** The ransom distributed denial of service extortion threat actor known as "Fancy Lazarus" is back, targeting an increasing number of industries, including energy, financial, insurance, manufacturing, public utilities, and retail sectors. There is ...
# Deep Analysis of New Emotet Variant – Part 2 **By Xiaopeng Zhang | May 09, 2017** ## Background This is the second part of FortiGuard Labs’ deep analysis of the new Emotet variant. In the first part of the analysis, we demonstrated that by bypassing the server-side Anti-Debug or Anti-Analysis technique, we could d...
# Israeli Government Seizes Cryptocurrency Addresses Associated with Hamas Donation Campaigns **Chainalysis Team** July 8, 2021 Israel’s National Bureau for Counter Terror Financing (NBCTF) released information on the seizure of cryptocurrency held by several wallets associated with donation campaigns carried out b...
# An In-Depth Look at the Golang Windows Calls **Leandro Fróes** **April 17, 2023** **Posted Apr 17, 2023** **29 min read** Hi! This is my very first blog entry! I’ve created this blog to do both force myself to publish more of my study notes as well as to share as much as I can online so I hope you enjoy it. =...
# Analysis of Activities of Suspected APT-C-36 (Blind Eagle) Organization Launching Amadey Botnet Trojan **APT-C-36 (Blind Eagle)** is an APT organization suspected to come from South America. Its main targets are located in Colombia and some areas of South America such as Ecuador and Panama. Since its discovery in 20...
# BloodyStealer and Gaming Assets for Sale **Authors** Leonid Bezvershenko Dmitry Galov Marc Rivero ## Part 2 of Gaming-Related Cyberthreat Report Earlier this year, we covered the threats related to gaming and looked at the changes from 2020 and the first half of 2021 in mobile and PC games as well as vario...
# Some Notes on the Silence Proxy In August 2018, Group-IB published research regarding a financially-motivated group referred to by the community as Silence. Included in this report is the mention of a proxy tool that the group uses to route traffic to and from devices on an infected network that are normally isolate...
# WTF is Mughthesec!? ## Background Yesterday Gavriel State (@gavrielstate) posted an interesting tweet: Interestingly, googling "Mughthesec" only returned one relevant hit; a post on Apple's online forums titled "Safari does not render Gmail correctly." Posted on August 2nd, user 'giveen' stated that, "Only in Safar...
# Tracking the 2012 Sasfis Campaign **Micky Pun** **Fortinet, Canada** **Editor: Helen Martin** **Date: 2012-11-01** ## Abstract Micky Pun unveils all the important nuts and bolts of the latest instalment of the Sasfis botnet by analysing its packers, core payloads and botnet operations. Researchers at Fortin...
# Joker Is Still No Laughing Matter **Richard Melick** **July 13, 2021** As one of the key members of Google’s App Defense Alliance, Zimperium helps ensure the Android ecosystem is safer by processing all apps before they reach Google Play. Despite this direct involvement, malicious applications can find their wa...
# A Closer Look at the DarkSide Ransomware Gang The FBI confirmed this week that a relatively new ransomware group known as DarkSide is responsible for an attack that caused Colonial Pipeline to shut down 5,550 miles of pipe, stranding countless barrels of gasoline, diesel, and jet fuel on the Gulf Coast. Here’s a clo...
# Advanced Persistent Infrastructure Tracking ## Attack Surface Management Censys is a pioneer in Attack Surface Management, helping organizations see threats before others do and contain problems before they arise. ### Inside Censys At Censys, you can be yourself—we like it that way. Diversity fuels our mission of...
# When Paying Out Doesn't Pay Off This blog post was authored by Edmund Brumaghin and Warren Mercer. ## Summary Talos recently observed a new ransomware variant targeting users. This ransomware shows that new threat actors are continuing to enter the ransomware market at a rapid pace due to the lucrative nature of t...
# Accellion, Inc. ## File Transfer Appliance (FTA) Security Assessment **March 1, 2021** ## Executive Summary Mandiant was engaged by Accellion, Inc. (Accellion) to perform a security assessment of Accellion's File Transfer Appliance (FTA) software, in the wake of two related but distinct exploits used to atta...
# Hunting for Suspicious Usage of Background Intelligent Transfer Service (BITS) ## BITS Overview Background Intelligent Transfer Service (BITS) is used by programmers and system administrators to download files from or upload files to HTTP web servers and SMB file shares. BITS takes the cost of the transfer into con...
# A Tale of Two Markets: Investigating the Ransomware Payments Economy **Kris Oosthoek** Delft University of Technology **Jack Cable** Independent Researcher **Georgios Smaragdakis** Delft University of Technology ## ABSTRACT Ransomware attacks are among the most severe cyber threats. They have made head...
# Nemty Ransomware Expands Its Reach, Also Delivered by Trik Botnet From analysing the malware’s code, we can see that it skips the routine if the created IP address is a local one. The malware can infect public IP addresses with port 139 open that are using any of the common administrator usernames and passwords on i...
# Commonly Known Tools Used by Lazarus It is widely known that attackers use Windows commands and tools that are commonly known and used after intruding their target network. The Lazarus attack group, a.k.a. Hidden Cobra, also uses such tools to collect information and spread the infection. This blog post describes th...