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General

  • Target

    22aa1e3289e416f53ab651dc468236516d3f005d3066a04f8c47fa9cd2511736

  • Size

    963KB

  • Sample

    221125-2xravsda84

  • MD5

    0273045ad74e3b76dd75699fec3c80ac

  • SHA1

    0b9b216306d63058604a2559b3b85a406691b3b0

  • SHA256

    22aa1e3289e416f53ab651dc468236516d3f005d3066a04f8c47fa9cd2511736

  • SHA512

    82fe2bbd9c32ff25fd9549ff0b12396097863e12e426198ad62f06bb5d3255cd5b9a441f41ba134bad61bf3a6d51cafd5b263149a7afc001b4e76bb07165fe93

  • SSDEEP

    24576:e1Z1xuVVjfFoynPaVBUR8f+kN10EBvSwveU/tVjnFlthy:ePQDgok30C5/thFlthy

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

68.230.210.107:1604

Mutex

DC_MUTEX-SX36NMQ

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    6M4bKZJe7VmY

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      22aa1e3289e416f53ab651dc468236516d3f005d3066a04f8c47fa9cd2511736

    • Size

      963KB

    • MD5

      0273045ad74e3b76dd75699fec3c80ac

    • SHA1

      0b9b216306d63058604a2559b3b85a406691b3b0

    • SHA256

      22aa1e3289e416f53ab651dc468236516d3f005d3066a04f8c47fa9cd2511736

    • SHA512

      82fe2bbd9c32ff25fd9549ff0b12396097863e12e426198ad62f06bb5d3255cd5b9a441f41ba134bad61bf3a6d51cafd5b263149a7afc001b4e76bb07165fe93

    • SSDEEP

      24576:e1Z1xuVVjfFoynPaVBUR8f+kN10EBvSwveU/tVjnFlthy:ePQDgok30C5/thFlthy

    • Darkcomet

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

    • Modifies WinLogon for persistence

    • Modifies firewall policy service

    • Disables RegEdit 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

    • Adds Run key to start application

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v6

Tasks