General

  • Target

    6357046a83a8e07bb90801fa1d71e385_JaffaCakes118

  • Size

    1.3MB

  • Sample

    241020-vjv9bs1err

  • MD5

    6357046a83a8e07bb90801fa1d71e385

  • SHA1

    55b6686633c969efa6d232888c4cc5d541d51835

  • SHA256

    b0a06e3a17788ac6b4d598f472e49e1d5e29fb790d52c1b23591c1f3dd818ab1

  • SHA512

    07de08108ecf58b2555ab6c9170e2845a8698a43fcefe03915097dfd173cba261e96449887e01f6d365a9b5b6b96a0400735acc3540b72eaa31fb65ef3b490ea

  • SSDEEP

    12288:XFyplQohRYzT5xNX/td4zIRX7p4ZVyMce0KuoIkLWHG/n1iSL+p5C//6X8se7RWd:XwlQT3FrgRV3us6HG/n1x6XWKCegr1N

Malware Config

Targets

    • Target

      6357046a83a8e07bb90801fa1d71e385_JaffaCakes118

    • Size

      1.3MB

    • MD5

      6357046a83a8e07bb90801fa1d71e385

    • SHA1

      55b6686633c969efa6d232888c4cc5d541d51835

    • SHA256

      b0a06e3a17788ac6b4d598f472e49e1d5e29fb790d52c1b23591c1f3dd818ab1

    • SHA512

      07de08108ecf58b2555ab6c9170e2845a8698a43fcefe03915097dfd173cba261e96449887e01f6d365a9b5b6b96a0400735acc3540b72eaa31fb65ef3b490ea

    • SSDEEP

      12288:XFyplQohRYzT5xNX/td4zIRX7p4ZVyMce0KuoIkLWHG/n1iSL+p5C//6X8se7RWd:XwlQT3FrgRV3us6HG/n1x6XWKCegr1N

    • 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

    • Adds Run key to start application

    • Drops desktop.ini file(s)

    • Looks up external IP address via web service

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks