Overview

overview

10

Static

static

10

darktest.exe

windows7-x64

10

darktest.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    darktest.exe
  • Size 349KB
  • Sample220909-xkrzeacfdr
  • SHA256 cafe8d935b3afac2695aca899b702c039c97cd1c4fbbc67f2ea80ec5e1808c09
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
darkcomettest16evasionpersistencerattrojanupx

Malware Config

Extracted

Family

  • darkcomet

Botnet

  • test16

C2

  • 70.70.19.220:1420

  • 70.70.19.220:1421

  • 70.70.19.220:1422

  • 70.70.19.220:1423

  • 70.70.19.220:1444

Mutex

  • DC_MUTEX-KC7Q893

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    TpGvyfYL1uEx

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target
      darktest.exe
    • Size 349KB
    • SHA256 cafe8d935b3afac2695aca899b702c039c97cd1c4fbbc67f2ea80ec5e1808c09
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    darkcomettest16evasionpersistencerattrojanupx

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Executes dropped EXE

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Checks computer location settings

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

    • Loads dropped DLL

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks