Overview

overview

10

Static

static

3

boykisser.exe

windows10-2004-x64

10

boykisser.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    boykisser.exe
  • Size 1.9MB
  • Sample260708-xn9cvsft4j
  • SHA256 5aa5558df2265cc33c532e080c87c65ba0930cf9ab61a0c5a3aa3fd5c101b334
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
bootkitdefense_evasionevasionexecutionpersistenceransomwaretrojan

Malware Config

Targets

    • Target
      boykisser.exe
    • Size 1.9MB
    • SHA256 5aa5558df2265cc33c532e080c87c65ba0930cf9ab61a0c5a3aa3fd5c101b334
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    bootkitdefense_evasionevasionexecutionpersistenceransomwaretrojan

    • Modifies Windows Defender DisableAntiSpyware settings

      evasiontrojan

    • Modifies Windows Defender Real-time Protection settings

      defense_evasiontrojan

    • Disables Task Manager via registry modification

      defense_evasion

    • Modifies service settings

      Alters the configuration of existing services.

      defense_evasion

    • Stops running service(s)

      defense_evasionexecution

    • Modifies boot configuration data using bcdedit

    • Power Settings

      powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

      persistence

    • 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

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks