Overview

overview

10

Static

static

9831f2cac9...f6.exe

windows7-x64

10

9831f2cac9...f6.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    9831f2cac9abdd1cbbbf99c023622ee392cf18ce4f05f8f92847f12c089500f6
  • Size 991KB
  • Sample221003-3jb5fsccf7
  • SHA256 9831f2cac9abdd1cbbbf99c023622ee392cf18ce4f05f8f92847f12c089500f6
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
darkcometdota2evasionpersistencerattrojan

Malware Config

Extracted

Family

  • darkcomet

Botnet

  • Dota2

C2

  • proborder1.ddns.net:1604

Mutex

  • DC_MUTEX-CYVMWW6

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    lSY40Zh8BYov

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    svhost.exe

Targets

    • Target
      9831f2cac9abdd1cbbbf99c023622ee392cf18ce4f05f8f92847f12c089500f6
    • Size 991KB
    • SHA256 9831f2cac9abdd1cbbbf99c023622ee392cf18ce4f05f8f92847f12c089500f6
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    darkcometdota2evasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies firewall policy service

      evasion

    • Executes dropped EXE

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks