Overview

overview

10

Static

static

3

e78da21d88...ca.exe

windows7-x64

10

e78da21d88...ca.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    e78da21d88d678da382cf9f10be55d75ce6f5d438fc2bb6471f82a51575ae1ca
  • Size 1.1MB
  • Sample240414-c85j7ade62
  • SHA256 e78da21d88d678da382cf9f10be55d75ce6f5d438fc2bb6471f82a51575ae1ca
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
darkcometcrypterevasionpersistencerattrojan

Malware Config

Extracted

Family

  • darkcomet

Botnet

  • crypter

C2

  • 184.144.223.8:51800

  • overcrash.no-ip.biz:51800

Mutex

  • DC_MUTEX-E5P79CY

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    7LSrP3sXvcog

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target
      e78da21d88d678da382cf9f10be55d75ce6f5d438fc2bb6471f82a51575ae1ca
    • Size 1.1MB
    • SHA256 e78da21d88d678da382cf9f10be55d75ce6f5d438fc2bb6471f82a51575ae1ca
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    darkcometcrypterevasionpersistencerattrojan

    • 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

    • Uses the VBS compiler for execution

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks