Overview

overview

10

Static

static

281dc888a8...a8.exe

windows7-x64

10

281dc888a8...a8.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    281dc888a8fab70e6fdc8f429e84e44d8262b8109441618e43a01527d62765a8
  • Size 868KB
  • Sample221014-e1zp3sgbfn
  • SHA256 281dc888a8fab70e6fdc8f429e84e44d8262b8109441618e43a01527d62765a8
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
darkcometbootkitevasionpersistencerattrojan

Malware Config

Targets

    • Target
      281dc888a8fab70e6fdc8f429e84e44d8262b8109441618e43a01527d62765a8
    • Size 868KB
    • SHA256 281dc888a8fab70e6fdc8f429e84e44d8262b8109441618e43a01527d62765a8
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    darkcometbootkitevasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies firewall policy service

      evasion

    • Executes dropped EXE

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks