General

  • Target

    9140e447983f9b32db8d93cb72e12dfb885a7c32f1d25fc405b39551934b4287

  • Size

    725KB

  • Sample

    221124-ehdd5aag8t

  • MD5

    6809bd68abcecfb8a7f3954d564933fd

  • SHA1

    d8a2d14f5c2dcbeceffe1aec938a125612e62932

  • SHA256

    9140e447983f9b32db8d93cb72e12dfb885a7c32f1d25fc405b39551934b4287

  • SHA512

    11d1bce942cf8ed0cebfde70bc9727d712124fa3f7993328cfe30c8261282215ea10413a2031722c521e29577d44d539001bd7ea6f30c7da3b834bbe76be4718

  • SSDEEP

    12288:V9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hwQrMxtHw:fZ1xuVVjfFoynPaVBUR8f+kN10EBFMxS

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

dsobonus.myvnc.com:1604

Mutex

DC_MUTEX-BT41MG9

Attributes
  • InstallPath

    MSDCSC\explorer.exe

  • gencode

    eZmzPEQdRN7P

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    explorer

Targets

    • Target

      9140e447983f9b32db8d93cb72e12dfb885a7c32f1d25fc405b39551934b4287

    • Size

      725KB

    • MD5

      6809bd68abcecfb8a7f3954d564933fd

    • SHA1

      d8a2d14f5c2dcbeceffe1aec938a125612e62932

    • SHA256

      9140e447983f9b32db8d93cb72e12dfb885a7c32f1d25fc405b39551934b4287

    • SHA512

      11d1bce942cf8ed0cebfde70bc9727d712124fa3f7993328cfe30c8261282215ea10413a2031722c521e29577d44d539001bd7ea6f30c7da3b834bbe76be4718

    • SSDEEP

      12288:V9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hwQrMxtHw:fZ1xuVVjfFoynPaVBUR8f+kN10EBFMxS

    • Darkcomet

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

    • Modifies WinLogon for persistence

    • Modifies firewall policy service

    • Executes dropped EXE

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

    • Checks computer location settings

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

    • Deletes itself

    • Loads dropped DLL

    • Adds Run key to start application

MITRE ATT&CK Enterprise v6

Tasks