General

  • Target

    dafd48ba32f46c2c6b16e6ee8b583d016b52181a5cd0593f19a691388a828eb7

  • Size

    788KB

  • Sample

    221126-cf99zadf43

  • MD5

    2fffaee88dcbe7bb3916dc750300621c

  • SHA1

    a3e4c4a09e3da891d9cf7fdb255e5f611283bb44

  • SHA256

    dafd48ba32f46c2c6b16e6ee8b583d016b52181a5cd0593f19a691388a828eb7

  • SHA512

    4851dda70172dc079b907376525103c25a6cb08deb116a9cab361cd5afa990c3bc6e7e63df3d50ee38e223ef9efa213bd95f6ce08cb83f1a9a81c75f18ae5f34

  • SSDEEP

    24576:lZ1xuVVjfFoynPaVBUR8f+kN10EBXMxkTG:/QDgok302bTG

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

46.250.2.101:1604

Mutex

DC_MUTEX-HG6V7Q9

Attributes
  • InstallPath

    MSDCSC\windowssystem.exe

  • gencode

    Ax9lEl8tBlee

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    windowssystem

Targets

    • Target

      dafd48ba32f46c2c6b16e6ee8b583d016b52181a5cd0593f19a691388a828eb7

    • Size

      788KB

    • MD5

      2fffaee88dcbe7bb3916dc750300621c

    • SHA1

      a3e4c4a09e3da891d9cf7fdb255e5f611283bb44

    • SHA256

      dafd48ba32f46c2c6b16e6ee8b583d016b52181a5cd0593f19a691388a828eb7

    • SHA512

      4851dda70172dc079b907376525103c25a6cb08deb116a9cab361cd5afa990c3bc6e7e63df3d50ee38e223ef9efa213bd95f6ce08cb83f1a9a81c75f18ae5f34

    • SSDEEP

      24576:lZ1xuVVjfFoynPaVBUR8f+kN10EBXMxkTG:/QDgok302bTG

    • 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

    • 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