General

  • Target

    JaffaCakes118_106ba4150b011aaf40d8b947225e3f51

  • Size

    2.6MB

  • Sample

    250122-x39l6sslbp

  • MD5

    106ba4150b011aaf40d8b947225e3f51

  • SHA1

    ffd99ea0c9478e060ae60faf1d4fbd7a88edaf9f

  • SHA256

    3f5e37013f992b218c16685e981bdba82886cd7f521ad2aff42a0a5a30579497

  • SHA512

    75c11bbf5742c9233431569e903b3f6e27b36bc690a146272b987d4c0fe9eaee407af9897893ad1368b1f2c8edbeec1bb36dd61709e8cafc6736f12a562ff5dd

  • SSDEEP

    24576:z4nxVWjypb0lNU0ayYuu8LyLMIqiKkkhHGGJpVhQKOgoKgX+N1yPNZjSs4fy6uib:+8XlxhvLJp/+nlFZjSzXExessnkLY7N

Malware Config

Extracted

Family

darkcomet

Botnet

2012

C2

xtremedata1990.myvnc.com:200

Mutex

DC_MUTEX-4JZV5EN

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    YEgMKA1D2a4a

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    rundll32

Targets

    • Target

      JaffaCakes118_106ba4150b011aaf40d8b947225e3f51

    • Size

      2.6MB

    • MD5

      106ba4150b011aaf40d8b947225e3f51

    • SHA1

      ffd99ea0c9478e060ae60faf1d4fbd7a88edaf9f

    • SHA256

      3f5e37013f992b218c16685e981bdba82886cd7f521ad2aff42a0a5a30579497

    • SHA512

      75c11bbf5742c9233431569e903b3f6e27b36bc690a146272b987d4c0fe9eaee407af9897893ad1368b1f2c8edbeec1bb36dd61709e8cafc6736f12a562ff5dd

    • SSDEEP

      24576:z4nxVWjypb0lNU0ayYuu8LyLMIqiKkkhHGGJpVhQKOgoKgX+N1yPNZjSs4fy6uib:+8XlxhvLJp/+nlFZjSzXExessnkLY7N

    • Darkcomet

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

    • Darkcomet family

    • Modifies WinLogon for persistence

    • Checks computer location settings

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

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks