Overview

overview

10

Static

static

3

1d879b950f...18.exe

windows7-x64

10

1d879b950f...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    1d879b950fdbead79ab703aa3ae06ff3_JaffaCakes118
  • Size 1.2MB
  • Sample240702-1g42ca1blc
  • SHA256 d571ff9a1d5fbc0f6e362ff75f7cec4a9ef36cdf0681e4511847eab7351757c2
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
darkcometlexcropersistencerattrojan

Malware Config

Extracted

Family

  • darkcomet

Botnet

  • lexcro

C2

  • lexcro.no-ip.biz:4040

Mutex

  • DC_MUTEX-T9Z1DKS

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    5YqsobkB5NX8

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target
      1d879b950fdbead79ab703aa3ae06ff3_JaffaCakes118
    • Size 1.2MB
    • SHA256 d571ff9a1d5fbc0f6e362ff75f7cec4a9ef36cdf0681e4511847eab7351757c2
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    darkcometlexcropersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • 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