General

  • Target

    f1068b56389a0b3344a31d0e4590c760a682988e5ad01df53fa5648ed883d506

  • Size

    690KB

  • Sample

    221106-m5yycagfe5

  • MD5

    11ae0618b7f1caee88ab38a1b8d32d91

  • SHA1

    24f102feb4c1283c73005afd784787df968e40a9

  • SHA256

    f1068b56389a0b3344a31d0e4590c760a682988e5ad01df53fa5648ed883d506

  • SHA512

    7220b68b68d8dcba0d2f0f234c3fae21298648b4a37ccb1735a9049eaad4b8d78407e1be0afced1389040a97d469916a1db18cdadae11cb7244e84ccb59cb9f3

  • SSDEEP

    12288:d9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5+/hKf:3Z1xuVVjfFoynPaVBUR8f+kN10El+

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

91.177.109.15:201

Mutex

DC_MUTEX-S74CK5N

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    cCw0PhdPbBWJ

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target

      f1068b56389a0b3344a31d0e4590c760a682988e5ad01df53fa5648ed883d506

    • Size

      690KB

    • MD5

      11ae0618b7f1caee88ab38a1b8d32d91

    • SHA1

      24f102feb4c1283c73005afd784787df968e40a9

    • SHA256

      f1068b56389a0b3344a31d0e4590c760a682988e5ad01df53fa5648ed883d506

    • SHA512

      7220b68b68d8dcba0d2f0f234c3fae21298648b4a37ccb1735a9049eaad4b8d78407e1be0afced1389040a97d469916a1db18cdadae11cb7244e84ccb59cb9f3

    • SSDEEP

      12288:d9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5+/hKf:3Z1xuVVjfFoynPaVBUR8f+kN10El+

    • 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

    • 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.

    • Loads dropped DLL

    • Windows security modification

    • Adds Run key to start application

MITRE ATT&CK Enterprise v6

Tasks