Overview

overview

10

Static

static

10

af42c9c8db...fe.exe

windows7-x64

10

af42c9c8db...fe.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    af42c9c8dbe06b86b405ebafd55d3683ef50756422193154797c089d6fc056fe
  • Size 691KB
  • Sample240726-ch9ffssfrd
  • SHA256 af42c9c8dbe06b86b405ebafd55d3683ef50756422193154797c089d6fc056fe
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
darkcometguest16discoveryevasionpersistencerattrojan

Malware Config

Extracted

Family

  • darkcomet

Botnet

  • Guest16

C2

  • jvjv2044duck33.duckdns.org:1604

Mutex

  • DC_MUTEX-U9J0V31

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    4xYePg256T0S

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    WindowsTemp

Targets

    • Target
      af42c9c8dbe06b86b405ebafd55d3683ef50756422193154797c089d6fc056fe
    • Size 691KB
    • SHA256 af42c9c8dbe06b86b405ebafd55d3683ef50756422193154797c089d6fc056fe
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    darkcometguest16discoveryevasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks