Overview

overview

10

Static

static

3

86109d4b73...18.exe

windows7-x64

10

86109d4b73...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    86109d4b7366539f835dc5e091e083b3_JaffaCakes118
  • Size 2.8MB
  • Sample240810-pq5tfstdnb
  • SHA256 8d0171f371dc3318b1bbb754c79b430b404cd309f512173b297d72dd2c9fea1d
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
darkcometguest16discoverypersistencerattrojan

Malware Config

Extracted

Family

  • darkcomet

Botnet

  • Guest16

C2

  • adobe-update.servehttp.com:19

Mutex

  • DC_MUTEX-7ZPXCP1

Attributes
  • InstallPath

    adobe\adobe-updt.exe

  • gencode

    3VCBdXlEZJbz

  • install

    true

  • offline_keylogger

    true

  • password

    hitman450

  • persistence

    true

  • reg_key

    adobUpdate

Targets

    • Target
      86109d4b7366539f835dc5e091e083b3_JaffaCakes118
    • Size 2.8MB
    • SHA256 8d0171f371dc3318b1bbb754c79b430b404cd309f512173b297d72dd2c9fea1d
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    darkcometguest16discoverypersistencerattrojan

    • 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

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks