Overview

overview

10

Static

static

10

a3c00fb7d3...18.exe

windows7-x64

10

a3c00fb7d3...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    a3c00fb7d3311c7648d12f7db0b06543_JaffaCakes118
  • Size 252KB
  • Sample240817-xpl9qa1flc
  • SHA256 a7ee6b24086063204014a28604735ab2ff16fd2401248198d2b71547a51149f6
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
darkcometguest16discoverypersistencerattrojanupx

Malware Config

Extracted

Family

  • darkcomet

Botnet

  • Guest16

C2

  • 127.0.0.1:81

Mutex

  • DC_MUTEX-3JS22WM

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    RSvPoMixQJ1y

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target
      a3c00fb7d3311c7648d12f7db0b06543_JaffaCakes118
    • Size 252KB
    • SHA256 a7ee6b24086063204014a28604735ab2ff16fd2401248198d2b71547a51149f6
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    darkcometguest16discoverypersistencerattrojanupx

    • 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

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks