Overview

overview

8

Static

static

1

MSIAfterbu...66.exe

windows10-2004-x64

8

MSIAfterbu...66.exe

windows11-ltsc_2024-x64

3

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General

  • Target
    MSIAfterburnerSetup.zip
  • Size 42.2MB
  • Sample260623-1c3bysgv5q
  • SHA256 4478e031d9954e5eb830cb0f3486af2949c411dee84eb134e31e363fb48fe439
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
bootkitdiscoveryexecutionpersistence

Malware Config

Targets

    • Target
      MSIAfterburnerInstaller466.exe
    • Size 42.5MB
    • SHA256 459f8562dd7ef319de47e7064c6c010d937f6df9e02735e9e533517fbdca9f40
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    8/10
    bootkitdiscoveryexecutionpersistence

    • Uses Session Manager for persistence

      Creates Session Manager registry key to run executable early in system boot.

      persistence

    • Checks for any installed AV software in registry

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

      execution

    • Writes to the Master Boot Record (MBR)

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

      bootkitpersistence

    • Checks computer location settings

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

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks