General

  • Target
    f56cdab52206e4783be6cf175293a012_JaffaCakes118
  • Size 787KB
  • Sample240417-kyf3vaae29
  • SHA256 fa4f3e812f7fa32f6d32846c18f5252c20cc743f677c20a2f118376d35f8f7c1
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      f56cdab52206e4783be6cf175293a012_JaffaCakes118
    • Size 787KB
    • SHA256 fa4f3e812f7fa32f6d32846c18f5252c20cc743f677c20a2f118376d35f8f7c1
    • MD5 SHA1 SHA512 SSDEEP
    • Darkcomet

      DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

    • Modifies WinLogon for persistence

    • Checks BIOS information in registry

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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks