General

  • Target

    4df44ca2c7570f3d9e9c30406b3b8bd4_JaffaCakes118

  • Size

    892KB

  • Sample

    241016-vdghzsvalj

  • MD5

    4df44ca2c7570f3d9e9c30406b3b8bd4

  • SHA1

    28339f2ff0068f9c8a897b4577725427a44e850f

  • SHA256

    0ee7becba3baec32cbef0f2fdfc75785ce4a76652e8994f86c6eeaf4f47999fb

  • SHA512

    b4da154cd7bab93cbd31882c47f999f00ff120a9e0ca44a85efd75137f7be1b6710e9387aa06411a82f883a8b4c3c1885f81fa8ff9a6551159e015f495502a08

  • SSDEEP

    24576:GwQrN2K3yWds0JkKyVykcinQ3v0lHKqq7FoAKakRbqN+p+:GlQadsLQviQcHKqqpPT+p+

Malware Config

Targets

    • Target

      4df44ca2c7570f3d9e9c30406b3b8bd4_JaffaCakes118

    • Size

      892KB

    • MD5

      4df44ca2c7570f3d9e9c30406b3b8bd4

    • SHA1

      28339f2ff0068f9c8a897b4577725427a44e850f

    • SHA256

      0ee7becba3baec32cbef0f2fdfc75785ce4a76652e8994f86c6eeaf4f47999fb

    • SHA512

      b4da154cd7bab93cbd31882c47f999f00ff120a9e0ca44a85efd75137f7be1b6710e9387aa06411a82f883a8b4c3c1885f81fa8ff9a6551159e015f495502a08

    • SSDEEP

      24576:GwQrN2K3yWds0JkKyVykcinQ3v0lHKqq7FoAKakRbqN+p+:GlQadsLQviQcHKqqpPT+p+

    • Darkcomet

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

    • Modifies WinLogon for persistence

    • Modifies firewall policy service

    • Modifies security service

    • Windows security bypass

    • Disables RegEdit via registry modification

    • Disables Task Manager via registry modification

    • 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.

    • Deletes itself

    • Executes dropped EXE

    • Windows security modification

    • Adds Run key to start application

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks