Overview

overview

10

Static

static

3

4038105105...18.exe

windows7-x64

10

4038105105...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    403810510509640b54651a96c31e6f92_JaffaCakes118
  • Size 522KB
  • Sample240713-e662cawcln
  • SHA256 b3552459fb71db9b71cf769f67d8794fad7db5568b9c4cfa189f532e71a83f39
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
darkcometguest16bootkitpersistencerattrojan

Malware Config

Extracted

Family

  • darkcomet

Botnet

  • Guest16

C2

  • m20sh9.no-ip.org:1515

Mutex

  • DC_MUTEX-5C2P2UP

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    98X29pBtiSv1

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target
      403810510509640b54651a96c31e6f92_JaffaCakes118
    • Size 522KB
    • SHA256 b3552459fb71db9b71cf769f67d8794fad7db5568b9c4cfa189f532e71a83f39
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    darkcometguest16bootkitpersistencerattrojan

    • 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

    • Adds Run key to start application

      persistence

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

      bootkitpersistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks