General

  • Target

    56262d9f84c49c9689abe6f697e16453af70f6c58447d7997afd100703abafb9

  • Size

    283KB

  • Sample

    221125-nvnkasec72

  • MD5

    8c859f679398094cd891a97081ab13e2

  • SHA1

    528e86428f7a0b885af3de45a38693bb515155de

  • SHA256

    56262d9f84c49c9689abe6f697e16453af70f6c58447d7997afd100703abafb9

  • SHA512

    4dd2b9d59d56bccc0a73897a7c1107d2c77970c2431a00de6f18f6ce9b6bebe5b14676ac1e0c594f94c21f7415694c646bf3a0bc695209242dacd0b5a1d522f9

  • SSDEEP

    6144:6cNYk1yuwEDBum3qYWnl0pd0EX3Zq2b6wfIDYm0P12:6cWkbgTYWnYnt/IDYhP12

Malware Config

Extracted

Family

darkcomet

Botnet

HACKED

C2

dc-rat.hopto.org:1604

Mutex

DC_MUTEX-Z0GSXWB

Attributes
  • InstallPath

    WindowsDefender\Update.exe

  • gencode

    RfExL0kmflxA

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    WindowsDefender

Targets

    • Target

      56262d9f84c49c9689abe6f697e16453af70f6c58447d7997afd100703abafb9

    • Size

      283KB

    • MD5

      8c859f679398094cd891a97081ab13e2

    • SHA1

      528e86428f7a0b885af3de45a38693bb515155de

    • SHA256

      56262d9f84c49c9689abe6f697e16453af70f6c58447d7997afd100703abafb9

    • SHA512

      4dd2b9d59d56bccc0a73897a7c1107d2c77970c2431a00de6f18f6ce9b6bebe5b14676ac1e0c594f94c21f7415694c646bf3a0bc695209242dacd0b5a1d522f9

    • SSDEEP

      6144:6cNYk1yuwEDBum3qYWnl0pd0EX3Zq2b6wfIDYm0P12:6cWkbgTYWnYnt/IDYhP12

    • Darkcomet

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

    • Modifies WinLogon for persistence

    • Modifies firewall policy service

    • 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

    • Adds Run key to start application

MITRE ATT&CK Enterprise v6

Tasks