Overview

overview

10

Static

static

3

1834f68349...18.exe

windows7-x64

10

1834f68349...18.exe

windows10-2004-x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target
    1834f6834978a185df442ff1c6efec71_JaffaCakes118
  • Size 1011KB
  • Sample240628-bb9bfavcmm
  • SHA256 2969034b1ff9c108275be7ea6ac98161574f4c5af2ff44056792ab394a5771c1
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
darkcometrumahevasionpersistencerattrojan

Malware Config

Extracted

Family

  • darkcomet

Botnet

  • rumah

C2

  • 192.168.1.3:10000

Mutex

  • DC_MUTEX-10Q9ZPU

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    oFKnv1gNw9GF

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target
      1834f6834978a185df442ff1c6efec71_JaffaCakes118
    • Size 1011KB
    • SHA256 2969034b1ff9c108275be7ea6ac98161574f4c5af2ff44056792ab394a5771c1
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    darkcometrumahevasionpersistencerattrojan

    • 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

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks