Overview

overview

10

Static

static

3

b1259af910...27.exe

windows7-x64

10

b1259af910...27.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    b1259af9107e1e12cda1b55a55999727
  • Size 1024KB
  • Sample240304-ed9lrshh85
  • SHA256 90ae5ff01272a009011a6afbd9a6bc116102d14ed3843e42b67c10814107afe3
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
darkcometbootkitpersistencerattrojan

Malware Config

Targets

    • Target
      b1259af9107e1e12cda1b55a55999727
    • Size 1024KB
    • SHA256 90ae5ff01272a009011a6afbd9a6bc116102d14ed3843e42b67c10814107afe3
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    darkcometbootkitpersistencerattrojan

    • 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.

    • Deletes itself

    • 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

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks