General

  • Target
    417dd0fc267b52a099e6d21e2f587448
  • Size 252KB
  • Sample201117-ff5v78ch1x
  • SHA256 bdca22b50a716ac1106fce8eb7fbb0df989bbf381329e952d16be68dc01c6477
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • darkcomet

Botnet
  • Guest16

C2
  • batchlove.hopto.org:1605

Mutex
  • DC_MUTEX-Y0UZCZQ

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    KmnWlesUz91w

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target
      417dd0fc267b52a099e6d21e2f587448
    • Size 252KB
    • SHA256 bdca22b50a716ac1106fce8eb7fbb0df989bbf381329e952d16be68dc01c6477
    • MD5 SHA1 SHA512
    • 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.

    • UPX packed file

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

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks