Overview

overview

8

Static

static

3

boot.exe

windows10-2004-x64

8

boot.exe

windows11-ltsc_2024-x64

8

Sharing

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General

  • Target
    boot.exe
  • Size 29KB
  • Sample260627-bxt4msf19z
  • SHA256 cbd723d0915286600f09b7a646780fa13e495930450fd2430c70b4fd2197b30f
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
bootkitdefense_evasionexecutionpersistence

Malware Config

Targets

    • Target
      boot.exe
    • Size 29KB
    • SHA256 cbd723d0915286600f09b7a646780fa13e495930450fd2430c70b4fd2197b30f
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    8/10
    bootkitdefense_evasionexecutionpersistence

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • Drops desktop.ini file(s)

    • Indicator Removal: Clear Persistence

      Clear artifacts associated with previously established persistence like scheduletasks on a host.

      defense_evasion

    • Modifies boot configuration data using bcdedit

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

      bootkitpersistence

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks