Overview

overview

10

Static

static

3

4a6afa2d67...18.exe

windows7-x64

10

4a6afa2d67...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    4a6afa2d6773f5663943a526b7028081_JaffaCakes118
  • Size 571KB
  • Sample240715-tmp12s1gkf
  • SHA256 e5dfdf3d78191e8a2aeb5119d77ac30c0981bb07fec895fda19be0e135b845ae
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
darkcometevasionpersistencerattrojanupx

Malware Config

Targets

    • Target
      4a6afa2d6773f5663943a526b7028081_JaffaCakes118
    • Size 571KB
    • SHA256 e5dfdf3d78191e8a2aeb5119d77ac30c0981bb07fec895fda19be0e135b845ae
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    darkcometevasionpersistencerattrojanupx

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies firewall policy service

      evasion

    • 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

    • UPX packed file

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

      upx

    • Adds Run key to start application

      persistence

    • Drops desktop.ini file(s)

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks