General

  • Target

    74c0183c68dc2bc7ae8c70ab5339df6b_JaffaCakes118

  • Size

    1.0MB

  • Sample

    240726-tjjd4ayapl

  • MD5

    74c0183c68dc2bc7ae8c70ab5339df6b

  • SHA1

    e1a5ed24672ce9a77ab5e7b191400304eb14697c

  • SHA256

    03a21fbf9906bd7cf3206f5ff6d6861471843f6f42775a4cc0abe4dbb95b9cb6

  • SHA512

    f66a2120b26c5d7ff5246c3ed4a5c870ca37518ee22d0d1758d32436763065a030575cf14c1e7b1225337a507c4d0001633a1941da867e2eab995986cda5e4f2

  • SSDEEP

    24576:Kd3sbN+zOwGw+X5isFWql8LUJKMlwytZootBHXDeEesgTEd:WS+xh+X5LWqh/l57DesgTEd

Malware Config

Extracted

Family

darkcomet

Botnet

ÊÌÑíÈí

C2

127.0.0.1:4433

Mutex

DCMIN_MUTEX-KLYB853

Attributes
  • InstallPath

    DCSCMIN\IMDCSC.exe

  • gencode

    VPyB8Ek2BmtJ

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    DarkComet RAT

Targets

    • Target

      74c0183c68dc2bc7ae8c70ab5339df6b_JaffaCakes118

    • Size

      1.0MB

    • MD5

      74c0183c68dc2bc7ae8c70ab5339df6b

    • SHA1

      e1a5ed24672ce9a77ab5e7b191400304eb14697c

    • SHA256

      03a21fbf9906bd7cf3206f5ff6d6861471843f6f42775a4cc0abe4dbb95b9cb6

    • SHA512

      f66a2120b26c5d7ff5246c3ed4a5c870ca37518ee22d0d1758d32436763065a030575cf14c1e7b1225337a507c4d0001633a1941da867e2eab995986cda5e4f2

    • SSDEEP

      24576:Kd3sbN+zOwGw+X5isFWql8LUJKMlwytZootBHXDeEesgTEd:WS+xh+X5LWqh/l57DesgTEd

    • Darkcomet

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

    • Modifies WinLogon for persistence

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Loads dropped DLL

    • Adds Run key to start application

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks