General

  • Target

    86d4199f5d647a295d31eed6b945aa50b731aba09f8fc69029ef5126e3e205b0

  • Size

    903KB

  • Sample

    221124-pm7hwagd9x

  • MD5

    5676fe51a2981bea56e431ee6520c42b

  • SHA1

    2abcb73fb8d2dc51e8dc9db2e308aebecca017c1

  • SHA256

    86d4199f5d647a295d31eed6b945aa50b731aba09f8fc69029ef5126e3e205b0

  • SHA512

    1fc92b809f4e280fa2340fc7e558b96d51245c1ce0f380fb410764b1250a4b102e0da1a46125f017d8b1c2aeec6ba616ebf20fc0cb711eef7989ceb65c21aca7

  • SSDEEP

    24576:cwU/UwhWvSiBIGkbxqEcjsWiDxguehC2Sy:cZU8WNCUumo2v

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

mydota2.ddns.net:1604

Mutex

DC_MUTEX-FAA11HB

Attributes
  • InstallPath

    winlogon.exe

  • gencode

    4jhDbHDNTpBq

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    winlogon

Targets

    • Target

      86d4199f5d647a295d31eed6b945aa50b731aba09f8fc69029ef5126e3e205b0

    • Size

      903KB

    • MD5

      5676fe51a2981bea56e431ee6520c42b

    • SHA1

      2abcb73fb8d2dc51e8dc9db2e308aebecca017c1

    • SHA256

      86d4199f5d647a295d31eed6b945aa50b731aba09f8fc69029ef5126e3e205b0

    • SHA512

      1fc92b809f4e280fa2340fc7e558b96d51245c1ce0f380fb410764b1250a4b102e0da1a46125f017d8b1c2aeec6ba616ebf20fc0cb711eef7989ceb65c21aca7

    • SSDEEP

      24576:cwU/UwhWvSiBIGkbxqEcjsWiDxguehC2Sy:cZU8WNCUumo2v

    • 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

    • 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

    • Windows security modification

    • Adds Run key to start application

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v6

Tasks