General

  • Target
    a8f3f22dda294b02f410ca95116a23bf
  • Size 13.7MB
  • Sample240227-mrkhssfb5w
  • SHA256 64f87a54df363755339567ae103af89b64be18546b14b22b93610e0080c3793d
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • darkcomet

Botnet
  • Guest16

C2
  • onlinebonjour1pt.ddns.net:1605

Mutex
  • DC_MUTEX-XJRH105

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    7qC8eTvgaGxs

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdapt

Targets

    • Target
      a8f3f22dda294b02f410ca95116a23bf
    • Size 13.7MB
    • SHA256 64f87a54df363755339567ae103af89b64be18546b14b22b93610e0080c3793d
    • MD5 SHA1 SHA512 SSDEEP
    • 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

    • 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • Windows security modification

    • Adds Run key to start application

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks