General

  • Target

    6cf2b3bc154cbcb50c6d065c6422880736a92d8ca80a553621da67488943717f

  • Size

    690KB

  • Sample

    221123-s7pqcagc7w

  • MD5

    f3e32c779b5a58213a677ac48de9fa81

  • SHA1

    5f702f105dea53d7de6b0c18ea68fa138d6cc850

  • SHA256

    6cf2b3bc154cbcb50c6d065c6422880736a92d8ca80a553621da67488943717f

  • SHA512

    42d86c6cb1681ac51d47ae2ad3cb642f12d4a5984d6d9ad182047cac4e3fbb40d46bf6689e659ae168782775d797e4b6f682de93f24385a6e70876fb4715908c

  • SSDEEP

    12288:G9HMeUmcufrvA3kb445UEJ2jsWiD4EvFuu4cNgZhCiZKD/XdyFqNp:iiBIGkbxqEcjsWiDxguehC2ST

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

46.119.167.97:1604

Mutex

DC_MUTEX-AUY6MJH

Attributes
  • InstallPath

    windowslogon.exe

  • gencode

    jkazcn7pg5c1

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    windowslogon.exe

Targets

    • Target

      6cf2b3bc154cbcb50c6d065c6422880736a92d8ca80a553621da67488943717f

    • Size

      690KB

    • MD5

      f3e32c779b5a58213a677ac48de9fa81

    • SHA1

      5f702f105dea53d7de6b0c18ea68fa138d6cc850

    • SHA256

      6cf2b3bc154cbcb50c6d065c6422880736a92d8ca80a553621da67488943717f

    • SHA512

      42d86c6cb1681ac51d47ae2ad3cb642f12d4a5984d6d9ad182047cac4e3fbb40d46bf6689e659ae168782775d797e4b6f682de93f24385a6e70876fb4715908c

    • SSDEEP

      12288:G9HMeUmcufrvA3kb445UEJ2jsWiD4EvFuu4cNgZhCiZKD/XdyFqNp:iiBIGkbxqEcjsWiDxguehC2ST

    • 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 Task Manager via registry modification

    • Executes dropped EXE

    • 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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v6

Tasks