General

  • Target

    requirements.txt

  • Size

    77B

  • Sample

    241012-khtc8swgnl

  • MD5

    4e0914ea3584fea2aa56cd7af4b47e54

  • SHA1

    371dc0478fe7009fa4eb51519e4ad33545dea43f

  • SHA256

    77a588a4a077a11bdc2437788fe890124e3a44651b178744bfcb36b9318ee956

  • SHA512

    30f4fe664c21762035627d65a6492fe817adb6b684b9a599df0dd07205ad95bde2ac9736a360540f339455221268e5aa82977c212b42825b93f34cb2982637d0

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/1288058743921180684/5-mky7LHjPcsNINvKPRYMyJ0e-Z-grXuRcMFWK8FlXRQHpRKXIhmWlaDcFQv5kLFhMHI

Targets

    • Target

      requirements.txt

    • Size

      77B

    • MD5

      4e0914ea3584fea2aa56cd7af4b47e54

    • SHA1

      371dc0478fe7009fa4eb51519e4ad33545dea43f

    • SHA256

      77a588a4a077a11bdc2437788fe890124e3a44651b178744bfcb36b9318ee956

    • SHA512

      30f4fe664c21762035627d65a6492fe817adb6b684b9a599df0dd07205ad95bde2ac9736a360540f339455221268e5aa82977c212b42825b93f34cb2982637d0

    • Mercurial Grabber Stealer

      Mercurial Grabber is an open source stealer targeting Chrome, Discord and some game clients as well as generic system information.

    • Looks for VirtualBox Guest Additions in registry

    • Downloads MZ/PE file

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Loads dropped DLL

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Mark of the Web detected: This indicates that the page was originally saved or cloned.

MITRE ATT&CK Enterprise v15

Tasks