Overview

overview

10

Static

static

8

d083f1a535...3e.exe

windows7-x64

10

d083f1a535...3e.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    d083f1a5350e9fd23e9ac8e23d42feb463e515910f1e892a609d980ac4e3553e
  • Size 1.6MB
  • Sample221019-rvtyvsccdr
  • SHA256 d083f1a5350e9fd23e9ac8e23d42feb463e515910f1e892a609d980ac4e3553e
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
darkcometguest16evasionpersistencerattrojanupx

Malware Config

Extracted

Family

  • darkcomet

Botnet

  • Guest16

C2

  • 67.149.136.142:200

Mutex

  • DC_MUTEX-8W2HP8D

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    EJ1PSg89PChw

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target
      d083f1a5350e9fd23e9ac8e23d42feb463e515910f1e892a609d980ac4e3553e
    • Size 1.6MB
    • SHA256 d083f1a5350e9fd23e9ac8e23d42feb463e515910f1e892a609d980ac4e3553e
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    darkcometguest16evasionpersistencerattrojanupx

    • 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

    • Deletes itself

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Drops desktop.ini file(s)

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks