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# ELISE: Security Through Obesity **Email alerts** 23 December 2015 By Michael Yip ## Executive Summary Taiwan has long been subjected to persistent targeting from espionage motivated threat actors. This blog presents our analysis of one of the latest malware variants targeting individuals in Taiwan, which exh...
# China’s Cyber Warfare Capabilities Desmond Ball China has the most extensive and practiced cyber-warfare capabilities in Asia. This article describes the development of these capabilities since the mid-1990s, the intelligence and military organizations involved, and the particular capabilities demonstrated in defen...
# North Korea Bitten by Bitcoin Bug ## Executive Summary With activity dating at least to 2009, the Lazarus Group has consistently ranked among the most disruptive, successful, and far-reaching nation-state sponsored actors. The March 20, 2013 attack in South Korea, the Sony Pictures hack in 2014, the successful thef...
# WHITEPAPER ## Security: A Technical Look into Maze Ransomware ### Foreword At the end of May 2019, a new family of ransomware called Maze emerged into the gaping void left by the demise of the GandCrab ransomware. Unlike run-of-the-mill commercial ransomware, Maze authors implemented a data theft mechanism to exfi...
# Linux Red Team Defense Evasion - Rootkits ## Important All labs and tests are to be conducted within the parameters outlined within the text. The use of other domains or IP addresses is prohibited. ## Before You Begin In order to follow along with the tools and techniques utilized in this document, you will need to...
# Technical Analysis of Code-Signed “Blister” Malware Campaign (Part 2) The Blister is a code-signed malware that drops a malicious DLL file on the victim’s system, which is then executed by the loader via rundll32.exe, resulting in the deployment of a RAT/C2 beacon, thus allowing unauthorized access to the target sys...
# PRISM Attacks Fly Under the Radar **AT&T Cybersecurity Blog** **August 23, 2021 | Fernando Dominguez** ## Executive Summary AT&T Alien Labs has recently discovered a cluster of Linux ELF executables that have low or zero anti-virus detections in VirusTotal, though our internal threat analysis systems have flagge...
# Adjusting the Anchor **Authored by:** Kryptos Logic Vantage Team on Thursday, July 15, 2021 **Tags:** anchor ## Overview AnchorDNS is a backdoor used by the TrickBot actors to target selected high-value victims. It has been seen delivered by both TrickBot and Bazar1 malware campaigns. AnchorDNS is particularly...
# Meow Ransomware ## MeowCorp2022 Ransomware (ContiStolen Ransomware) Этот крипто-вымогатель основан на коде, украденном у Conti-2 Ransomware, является его модифицированным вариантом. Он шифрует данные на взломанных серверах с помощью алгоритма ChaCha20, а затем требует связаться с вымогателями по email или в Telegr...
# Why On-Device Detection Matters: New Ramsay Trojan Targets Air-Gapped Networks The Ramsay “framework” emerged in late 2019 and was disclosed thanks to a discovery by researchers querying the VirusTotal public malware repository. As of April 2020, there appear to be two fully maintained branches of the toolkit. Altho...
# Genetic Analysis of CryptoWall Ransomware A strain of Crowti ransomware emerged, the variant known as CryptoWall, was spotted by researchers in early 2013. Ransomware by nature is extraordinarily destructive, but this one in particular was a bit beyond that. Over the next 2 years, with over 5.25 billion files encryp...
# The TopHat Campaign: Attacks Within The Middle East Region Using Popular Third-Party Services By Josh Grunzweig January 26, 2018 ## Summary In recent months, Palo Alto Networks Unit 42 observed a wave of attacks leveraging popular third-party services Google+, Pastebin, and bit.ly. Attackers used Arabic language...
# How to Guard Your Enterprise Against ShinyHunters If your organization’s data is suddenly sharing screen time with an electric blue deer, it's time to worry. There is a group in the cybercriminal underground that is trying to collect troves of enterprise data the same way that millions of gamers collect Pokémon. Si...
# VB2018 Paper: Tracking Mirai Variants **Ya Liu & Hui Wang** **Qihoo 360 Technology, China** **Copyright © 2018 Virus Bulletin** ## Abstract Mirai, the infamous DDoS botnet family known for its great destructive power, was made open source soon after being found by MalwareMustDie in August 2016, which led to a ...
# Dridex (Bugat v5) Botnet Takeover Operation **Summary** In the fall of 2015, the Dell SecureWorks Counter Threat Unit™ (CTU™) research team collaborated with the UK National Crime Agency (NCA), the U.S. Federal Bureau of Investigation (FBI), and the Shadowserver Foundation to take over the Dridex banking trojan. T...
# Visual Investigations - Speed Up Your IR, Forensic Analysis and Hunting **Presented by** Mathieu Gaucheler, Maltego Ariel Jungheit, Kaspersky Vicente Diaz, VirusTotal ## About this talk With the rising number and sophistication of cyber-attacks faced by organizations, modern CISO’s are ramping up internal ...
# Log4j Exploit Hits Again: Vulnerable Unifi Network Application (Ubiquiti) at Risk Posted by Morphisec Labs on January 28, 2022 As a continuation to our previously published blog post on VMWare Horizon being targeted through the Log4j vulnerability, we have now identified Unifi Network applications being targeted in...
# TeamTNT Actively Enumerating Cloud Environments to Infiltrate Organizations **By Nathaniel Quist** **June 4, 2021** **Category:** Cloud, Unit 42 **Tags:** AWS, Credential Harvesting, Cryptojacking, Google Cloud, IAM, Scraping, TeamTNT ## Executive Summary TeamTNT has been evolving their cloud-focused crypt...
# 5 Times More Coronavirus-themed Malware Reports during March As the Coronavirus pandemic continues, cybercriminals have started piggybacking news of the crisis to deliver malware, conduct phishing, and even perform online fraud by preying on the panic caused by a dearth of medical supplies and reliable information a...
# Technical Analysis of the DDoS Attacks against Ukrainian Websites February 20, 2022 Last week the websites for several banks and government organizations in Ukraine were hit with a Distributed Denial-of-Service attack. Below we identify the likely source of the attacks as a botnet called Katana, with preparation fo...
# Multi-stage APT Attack Drops Cobalt Strike Using Malleable C2 Feature **Threat Intelligence Team** June 17, 2020 This blog post was authored by Hossein Jazi and Jérôme Segura. On June 10, we found a malicious Word document disguised as a resume that uses template injection to drop a .Net Loader. This is the fi...
# ENISA Threat Landscape for Ransomware Attacks This report aims to bring new insights into the reality of ransomware incidents through mapping and studying ransomware incidents from May 2021 to June 2022. Based on the findings, ransomware has adapted and evolved, becoming more efficient and causing more devastating a...
# Examining Emotet’s Activities and Infrastructure We conducted comprehensive research on Emotet’s artifacts — 8,528 unique URLs, 5,849 document droppers, and 571 executables collected between June 1, 2018, and September 15, 2018 — to discover its infrastructure as well as possible attribution information. Discovered...
# Comeback of Emotet **Security Lab** November 16, 2021 ## Summary Hornetsecurity observes that the Emotet botnet became active after its shutdown in January 2021. Hornetsecurity’s Security Lab has identified new Emotet malspam campaigns in the wild. ## Background Emotet (also known as Heodo) was first observed ...
# ABCsoup: The Malicious Adware Extension with 350 Variants **July 7, 2022** **Nipun Gupta** ## What can ABCsoup do? Recently, Zimperium discovered and began monitoring the growth of a wide range of malicious browser extensions with the same extension ID as that of Google Translate, deceiving users into believing ...
# The French Connection: French Aerospace-Focused CVE-2014-0322 Attack Shares Similarities with 2012 Capstone Turbine Activity **THE ADVERSARY LINE-UP** **25 FEB 2014** **MATT DAHL** Two weeks ago, news broke about strategic web compromise (SWC) activity on the website for the U.S. organization, Veterans of Forei...
# N3TW0RM Ransomware Emerges in Wave of Cyberattacks in Israel A new ransomware gang known as 'N3TW0RM' is targeting Israeli companies in a wave of cyberattacks starting last week. Israeli media Haaretz reported that at least four Israeli companies and one nonprofit organization had been successfully breached in this ...
# Emissary Panda Attacks Middle East Government SharePoint Servers **By Robert Falcone and Tom Lancaster** **May 28, 2019** ## Executive Summary In April 2019, Unit 42 observed the Emissary Panda (AKA APT27, TG-3390, Bronze Union, Lucky Mouse) threat group installing webshells on SharePoint servers to compromise g...
# Malsmoke Operators Abandon Exploit Kits in Favor of Social Engineering Scheme **Threat Intelligence Team** November 16, 2020 Exploit kits continue to be used as a malware delivery platform. In 2020, we’ve observed a number of different malvertising campaigns leading to RIG, Fallout, Spelevo, and Purple Fox, among...
# Incident Report: From CLI to Console, Chasing an Attacker in AWS Recently, our SOC detected unauthorized access into one of our customer’s Amazon Web Services (AWS) environments. The attacker used a long-term access key to gain initial access. Once they got in, they were able to abuse the AWS Identity and Access Man...
# Hunting Malicious Macros Taking a look at the MITRE ATT&CK page for malicious macros, it's clear that this technique is a favourite among APT groups. Microsoft Office is indeed ubiquitous in a corporate office setting and presents defenders with a very large attack surface. "Just disable macros" is a great idea, but...
# Cyber Espionage Tradecraft in the Real World ## Adversaries targeting Taiwan and Japan in the second half of 2019 ### Introduction This report is a public release of research that Macnica Networks and TeamT5 have conducted into the cyber espionage groups targeting organizations in Taiwan and Japan. It has been creat...
# Hard Pass: Declining APT34’s Invite to Join Their Professional Network **Threat Research** Matt Bromiley, Noah Klapprodt, Nick Schroeder, Jessica Rocchio Jul 18, 2019 10 mins read ## Background With increasing geopolitical tensions in the Middle East, we expect Iran to significantly increase the volume and...
# Recommendations Following the Oldsmar Water Treatment Facility Cyber Attack February 9, 2021 By Gus Serino, Ben Miller Today a press conference was held by the City of Oldsmar where they disclosed the unlawful intrusion of the City of Oldsmar’s water treatment system. The City of Oldsmar should be commended on th...
# ESET Research White Papers ## One Email Away from Remote Code Execution ### 1. Executive Summary Turla, also known as Snake, is one of the oldest, still-active cyberespionage groups, with more than a decade of experience. Its operators mainly focus on high-profile targets such as governments and diplomatic entities...
# BlueHat v17 || 10 Years of Targeted Credential Phishing ## Billy Leonard While it's not kernel 0days or EMET bypasses, credential phishing has been a go-to in attackers' toolboxes for many years, rising to prominence during the run-up to the 2016 US Presidential Elections. Being able to access a target's email or f...
# Shamoon 2012 Complete Analysis The whole inspiration of this blog began when I saw the above picture. For those that don't know, this was ASCII art embedded within a .NET dropper that supposedly dropped a version of Shamoon back in December of 2018. This immediately peaked my interest and I began my reversing of the...
# How this APT continues to evolve its arsenal **BY ASHEER MALHOTRA AND JUSTIN THATTIL** --- ## Summary - Cisco Talos is tracking an increase in the SideCopy APT's activities targeting government personnel in India using themes and tactics similar to APT36 (aka Mythic Leopard and Transparent Tribe). - SideCopy is a...
# Threat Activity Groups ## Your Hosts Sergio Caltagirone @cnoanalysis DiamondModel.org Joe Slowik @jfslowik intel@dragos.com ## Industrial Threat Activity Groups ### Is Activity Group Just a Fancy Name for Adversary? **The Diamond Event** Axiom 1: For every intrusion event, there exists an adversary tak...
# Hacking Farm to Table: Uncovering Threats to Agriculture **Falcon OverWatch and CrowdStrike Intelligence Teams** November 18, 2020 Life on the farm isn’t what it used to be. With overall cyberattacks on the rise, even agriculture has found itself in the crosshairs of cyber threat actors. In fact, during the last ...
# 3CX Supply Chain Attack **OALABS Research** March 30, 2023 ## Overview From the Volexity post, CrowdStrike identified signed 3CX installation files as being malicious and reported that customers were seeing malicious activity emanating from the “3CXDesktopApp”. 3CX is client software for VOIP phones, that was de...
# A "Naver"-ending game of Lazarus APT Zscaler’s ThreatLabz research team has been closely monitoring a campaign targeting users in South Korea. This threat actor has been active for more than a year and continues to evolve its tactics, techniques, and procedures (TTPs); we believe with high confidence that the threat...
# Cybercrime is Focusing on Accountants We detect a spike in activity from Trojans targeting mostly accountants who work in small and midsize businesses. Our experts have found that cybercriminals are actively focusing on SMBs, giving particular attention to accountants. Their choice is quite logical — they’re seekin...
# Attack on French Diplomat Linked to Operation Lotus Blossom We observed a targeted attack in November directed at an individual working for the French Ministry of Foreign Affairs. The attack involved a spear-phishing email sent to a single French diplomat based in Taipei, Taiwan, and contained an invitation to a Sci...
# Chinese hackers 'breach Australian media organisations' ahead of G20 **Dylan Welch** November 13, 2014 Chinese hackers are attempting to steal questions from reporters ahead of Xi Jinping's visit, a cyber security expert says. A Chinese hacking group believed to be affiliated with the Chinese government has penet...
# Cring Ransomware Group Exploits Ancient ColdFusion Server **Andrew Brandt** **September 21, 2021** In an attack recently investigated by Sophos, an unknown threat actor exploited an ancient vulnerability in an 11-year-old installation of Adobe ColdFusion 9 to take control of the ColdFusion server remotely, then t...
# SharpPanda: Chinese APT Group Targets Southeast Asian Government With Previously Unknown Backdoor **June 3, 2021** ## Introduction Check Point Research identified an ongoing surveillance operation targeting a Southeast Asian government. The attackers use spear-phishing to gain initial access and leverage old Micro...
# BlackCat Ransomware (ALPHV) Following news that members of the infamous ‘big-game hunter’ ransomware group REvil have been arrested by Russian law enforcement, effectively dismantling the group and their operations, it is likely that the group’s affiliates will migrate to other ransomware-as-a-service (RaaS) provide...
# ZLAB ## Malware Analysis Report ### A long-term espionage campaign in Syria. **Date:** 23/07/2018 **CSE CyberSec Enterprise SPA** Via G.B. Martini 6, Rome, Italy 00100, Italia Email: info@csecybsec.com Website: www.csecybsec.com ## The Open Repository and the Fake Promotional Site A few days ago, the secu...
# Analyzing the TRITON Industrial Malware Last month FireEye released a report detailing an incident that their subsidiary Mandiant responded to at a critical infrastructure organization. Here, a malware framework, dubbed TRITON (also referred to as TRISIS or HatMan), was discovered targeting the Schneider Electric Tr...
# Raccoon Stealer v2 Malware Analysis **Aaron Stratton** **September 29, 2022** ## Introduction Raccoon Stealer is an infostealer sold on underground hacker/cybercriminal forums, first observed in early 2019. Raccoon Stealer v2 first appeared in June of 2022, after the developers returned from a supposed “retireme...
# LUCKY ELEPHANT Campaign Masquerading ## Executive Summary In early March 2019, ASERT Researchers uncovered a credential harvesting campaign targeting mostly South Asian governments. The actors behind this campaign, referred to as LUCKY ELEPHANT, use doppelganger webpages to mimic legitimate entities such as foreign...
# Uroburos – Deeper Travel into Kernel Protection Mitigation Uroburos was already described as a very sophisticated and highly complex malware in our G Data Red Paper, where we had a look at the malware’s behavior. This assumption is again supported, looking at its installation process. Uroburos uses a technique not p...
# Rinfo Is Making A Comeback and Is Scanning and Mining in Full Speed **LIU Ya** **February 10, 2021** ## Overview In 2018 we blogged about a scanning and mining botnet family that uses ngrok.io to propagate samples: "A New Mining Botnet Blends Its C2s into ngrok Service". Since mid-October 2020, our BotMon system...
# BlackMatter Ransomware Shuts Down Due to Pressure from Local Authorities The criminal group behind the BlackMatter ransomware has announced plans to shut down their operation, citing pressure from local authorities. The group made this announcement in a message posted in the backend of their Ransomware-as-a-Service ...
# Hackers No Hashing: Randomizing API Hashes to Evade Cobalt Strike Shellcode Detection While researching Application Programming Interface (API) hashing techniques commonly used in popular malware (particularly Metasploit and Cobalt Strike), the Huntress ThreatOps Team found that hackers are sticking to the default s...
# Shuckworm: Espionage Group Continues Intense Campaign Against Ukraine The Russian-linked Shuckworm espionage group (aka Gamaredon, Armageddon) is continuing to mount an intense cyber campaign against organizations in Ukraine. Shuckworm has almost exclusively focused its operations on Ukraine since it first appeared ...
# Ukraine Hit with Novel ‘FoxBlade’ Trojan Hours Before Invasion Microsoft Word also leveraged in the email campaign, which uses a 22-year-old Office RCE bug.
# OSINT Reporting Regarding DPRK and TA505 Overlap April 10, 2019 Yesterday, at SAS2019, BAE Systems presented findings related to DPRK SWIFT heist activity that took place in 2018. As part of this research, BAE included two key points not previously disclosed in the public domain: - The existence of a PowerShell ba...
# MAR-10135536-3 - HIDDEN COBRA RAT/Worm **Notification** This report is provided "as is" for informational purposes only. The Department of Homeland Security (DHS) does not provide any warranties of any kind. DHS does not endorse any commercial product or service referenced in this bulletin or otherwise. This docum...
# BLACKENERGY – WHAT WE REALLY KNOW ABOUT THE NOTORIOUS CYBER ATTACKS **Anton Cherepanov & Robert Lipovsky** ESET, Slovakia Email: {cherepanov, lipovsky}@eset.sk ## ABSTRACT In the past two years, BlackEnergy has become one of the top malware families of interest to system administrators, security researchers, ...
# Domestic Kitten: An Iranian Surveillance Operation Chinese strategist Sun Tzu, Italian political philosopher Machiavelli, and English philosopher Thomas Hobbes all justified deceit in war as a legitimate form of warfare. Preceding them all, however, were some in the Middle East who had already internalized and imple...
# 한국정치외교 학술 및 정책자문위원 약력 악성 워드문서 유포 2021년 7월 2일 ASEC 분석팀에서는 아래와 같이 2차례에 걸쳐 ‘사례비 지급 의뢰서’, ‘하계 학술대회 약력 작성 양식’ 제목의 워드 문서 악성코드가 유포 중임을 소개하였다. 유사한 공격 형태를 모니터링 하던 중, 지난 6월과 7월 1일에도 동일한 제작자에 의해 새로운 워드 문서가 유포된 정황을 확인하였다. ## 새로 포착된 악성 워드 문서 제목 - 민주평통-한국정치외교사학회 공동 학술 회의 프로그램 (최종본).docx – 6월 추가 확보 - [남북회담본부 정책자문위원] 약력 작성 양식.docx...
# Justice Department Investigation Leads to Shutdown of Largest Online Darknet Marketplace **April 5, 2022** **Department of Justice** **Office of Public Affairs** The Justice Department announced today the seizure of Hydra Market (Hydra), the world’s largest and longest-running darknet market. In 2021, Hydra a...
# North Korean Remote Access Tool: ECCENTRICBANDWAGON **Notification** This report is provided "as is" for informational purposes only. The Department of Homeland Security (DHS) does not provide any warranties of the information contained herein. The DHS does not endorse any commercial product or service referenced ...
Some URL shortener services distribute Android malware, including banking or SMS trojans. On iOS, we have seen link shortener services pushing spam calendar files to victims’ devices. We hope you already know that you shouldn’t click on just any URLs. You might be sent one in a message; somebody might insert one unde...
# TLP:WHITE The following information is being provided by the FBI in collaboration with the Cybersecurity and Infrastructure Security Agency (CISA), with no guarantees or warranties, for potential use at the sole discretion of recipients in order to protect against cyber threats. This data is provided to help cyberse...
# Ransomware Operation Trends ## Mitchell Clarke - Principal Consultant - London, UK - 2.5 years at Mandiant ## Tom Hall - Principal Consultant - London, UK - Five years at Mandiant ## APT - An attacker has domain admin access to my environment. - There are multiple persistence mechanisms. - They likely stole busine...
# Dragonfly: Cyberespionage Attacks Against Energy Suppliers ## Overview A cyberespionage campaign against a range of targets, mainly in the energy sector, gave attackers the ability to mount sabotage operations against their victims. The attackers, known to Symantec as Dragonfly, managed to compromise a number of st...
# GuLoader Snowballs via MalSpam Campaigns By K7 Labs February 17, 2021 GuLoader is one of the well-known downloader malware of 2020, as its prevalence was very high during the first half of the year. Its common payloads were FormBook, Agent Tesla, LokiBot, Remcos RAT, just to name a few, which were delivered by ab...
# GoSecure Titan Labs Technical Report: BluStealer Malware Threat GoSecure Titan Labs obtained a sample of the high-profile malware identified as BluStealer that can steal credentials, passwords, credit card data, and more. The expert investigators at Titan Labs developed this detailed analysis that examines the infec...
# nk_av_anthology_for_pdf This document contains the anthology for PDF.
# Application Note AN2015-08 ## Understanding When to Use LDAP or RADIUS for Centralized Authentication **Ben Herrmann** ### INTRODUCTION Lightweight Directory Access Protocol (LDAP) and Remote Authentication Dial-In User Service (RADIUS) are two commonly used protocols for authenticating and authorizing users. Both p...
# Indicators of Compromise Associated with Hive Ransomware ## Summary Hive ransomware, first observed in June 2021, likely operates as an affiliate-based ransomware. It employs a wide variety of tactics, techniques, and procedures (TTPs), creating significant challenges for defense and mitigation. Hive ransomware use...
# Threat Thursday: Get Your Paws Off My Data, Raccoon Infostealer The BlackBerry Research & Intelligence Team Raccoon is an information-stealing malware variant made available to subscribers through a Malware-as-a-Service (MaaS) arrangement. It targets Windows® users, seeking out and stealing their stored credentials...
# Threat Analysis: Follina Exploit Fuels 'Live-off-the-Land' Attacks **Threat Research** **July 27, 2022** **Blog Author**: Joseph Edwards, Senior Malware Researcher at ReversingLabs. An analysis of three in-the-wild payloads delivered using the recently discovered Follina exploit shows how attackers can use it t...
# Understanding Uncertainty while Undermining Democracy Several US government agencies shared a warning on 22 September 2020 regarding foreign entities using disinformation to sow confusion and discord around the US 2020 election. While evaluating this alert, Thomas Rid highlighted two key passages: The central thesi...
# New Threat Group Behind Airbus Cyber Attacks, Claim Researchers Context Information Security’s threat intel and response teams say it has evidence that the recent supply chain attacks on Airbus are the work of a newly identified group called Avivore. A number of high-profile cyber attacks on Airbus in the past 12 m...
# Health Sector Cybersecurity Coordination Center (HC3) Sector Alert **October 2, 2020** **TLP: White** **Report: 2020100216** ## RECENT BAZARLOADER USE IN RANSOMWARE CAMPAIGNS ### Executive Summary On September 28, 2020, security researchers openly shared recent observations associated with RYUK ransomware dep...
# Lessons from the Conti Leaks If you wanted to learn how an organized cybercriminal operation worked, look no further than the threat group known as Conti. The recent leaks of the group's chat logs have uncovered an unprecedented wealth of information and insights into how these veteran cybercriminals organize themse...
# CaddyWiper Analysis ## New Analysis: The CaddyWiper Malware Attacking Ukraine Posted by Michael Dereviashkin on April 5, 2022 As Russia’s invasion of Ukraine continues, new wiper malware has surfaced attacking Ukrainian infrastructure. CaddyWiper was first detected on March 14, 2022. It destroys user data, partiti...
# Cyber Conflict Decoy Document Used In Real Cyber Conflict This post was authored by Warren Mercer, Paul Rascagneres, and Vitor Ventura. Update 10/23: CCDCOE released a statement today on their website. ## Introduction Cisco Talos discovered a new malicious campaign from the well-known actor Group 74 (aka Tsar Te...
# Several Polish Banks Hacked, Information Stolen by Unknown Attackers Polish banks are frantically scanning their workstations and servers while checking logs in the search of signs of infection after some of them noticed unusual network activity and unauthorized files on key machines within their networks. This is t...
# DirtyMoe: Worming Modules The DirtyMoe malware is deployed using various kits like PurpleFox or injected installers of Telegram Messenger that require user interaction. Complementary to this deployment, one of the DirtyMoe modules expands the malware using worm-like techniques that require no user interaction. This ...
# Epic Manchego – Atypical Maldoc Delivery Brings Flurry of Infostealers In July 2020, NVISO detected a set of malicious Excel documents, also known as “maldocs,” that deliver malware through VBA-activated spreadsheets. While the malicious VBA code and the dropped payloads were something we had seen before, it was the...
# Unpacking CVE-2021-40444: A Deep Technical Analysis of an Office RCE Exploit **Bill Demirkapi** January 7, 2022 In the middle of August 2021, a special Word document was uploaded to VirusTotal by a user from Argentina. Although it was only detected by a single antivirus engine at the time, this sample turned ou...
# Killswitch File Now Available for GandCrab v4.1.2 The South Korean company Ahnlab has developed a Killswitch for the latest version of the virus, calling itself v4.1.2, causing the ransomware to stop functioning. Ahnlab has reportedly analyzed the internal version 4.1.2 of GandCrab ransomware, which is part of the 4...
# Magniber Ransomware Actors Used a Variant of Microsoft SmartScreen Bypass **Benoit Sevens** **March 14, 2023** **Threat Analysis Group** Google’s Threat Analysis Group (TAG) recently discovered usage of an unpatched security bypass in Microsoft’s SmartScreen security feature, which financially motivated actors ...
# Exploring Windows UAC Bypasses: Techniques and Detection Strategies Malware often requires full administrative privileges on a machine to perform impactful actions such as adding an antivirus exclusion, encrypting secured files, or injecting code into interesting system processes. Even if the targeted user has admin...
# AnteFrigus Ransomware Этот крипто-вымогатель шифрует данные пользователей с помощью AES, а затем требует выкуп в $1,995, который увеличивается через 4 дня до $3,990. Оригинальное название: AnteFrigus. На файле написано: нет данных. ## Обнаружения: - DrWeb: Trojan.PWS.Siggen2.38675, Trojan.Encoder.30119 - BitDefende...
# Kimsuky | Ongoing Campaign Using Tailored Reconnaissance Toolkit **By Aleksandar Milenkoski and Tom Hegel** ## Executive Summary SentinelLabs has observed an ongoing campaign by Kimsuky, a North Korean APT group, targeting North Korea-focused information services, human rights activists, and DPRK-defector support ...
# Analyzing Emotet with Ghidra — Part 1 This post I’ll show how I used Ghidra in analyzing a recent sample of Emotet. If you have read this, here is Part 2. **SHA256:** The analysis is done on the unpacked binary file. In this post I’m skipping how I unpacked the file, since what I primarily want to show is how I u...
# Blue Mockingbird: Cryptocurrency Mining Activity Blue Mockingbird is the name given to a cluster of similar activity observed involving Monero cryptocurrency-mining payloads in dynamic-link library (DLL) form on Windows systems. They achieve initial access by exploiting public-facing web applications, specifically t...
# Iranian Hackers Targeting Turkey and Arabian Peninsula in New Malware Campaign The Iranian state-sponsored threat actor known as MuddyWater has been attributed to a new swarm of attacks targeting Turkey and the Arabian Peninsula with the goal of deploying remote access trojans (RATs) on compromised systems. “The Mu...
# The Rise of Mobile Banker Asacub **Authors** Tatyana Shishkova We encountered the Trojan-Banker.AndroidOS.Asacub family for the first time in 2015, when the first versions of the malware were detected, analyzed, and found to be more adept at spying than stealing funds. The Trojan has evolved since then, aided by ...
# Prometei Botnet | Indicators of Compromise **April 15th, 2021** **Domains** P1.feefreepool.net xmr.feefreepool.net gb7ni5rgeexdcncj.onion rongo.prohash.org bk1.bitspiritfun2.net mkhkjxgchtfgu7uhofxzgoawntfzrkd ccymveektqgpxrpjb72oq.zero dummy.zero cp22.umbrellapool.club cp23.umbrellapool.club ...
# The Rebranded Crypter: ScrubCrypt January 10, 2023 Over the past few weeks, Perception Point’s IR team has been investigating a Crypter, spread wildly via phishing emails that ultimately deliver RAT (Remote Access Trojan) malware from the Xworm family. A Crypter is a type of software used to encrypt, or hide, files...
# Linux: Infecting Running Processes We have already seen how to infect a file by injecting code into the binary so it gets executed next time the infected program is started. But how to infect a process that is already running? This paper will introduce the basic techniques you need to learn in order to fiddle with o...
# Hancitor Activity Resumes After a Holiday Break ## Introduction Campaigns spreading Hancitor malware were active from October through December 2020, but Hancitor went quiet after 2020-12-17. On Tuesday 2021-01-12, criminals started sending malicious spam (malspam) pushing Hancitor again. Some people have already tw...
# New KONNI Malware Attacking Eurasia and Southeast Asia **By Josh Grunzweig and Bryan Lee** **September 27, 2018** **Category: Unit 42** **Tags: KONNI, NOKKI, Targeted** ## Introduction Beginning in early 2018, Unit 42 observed a series of attacks using a previously unreported malware family, which we have na...