Overview

overview

7

Static

static

5

BOYKA.exe

windows10-2004-x64

BOYKA.exe

windows11-ltsc_2024-x64

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General

  • Target
    BOYKA.exe
  • Size 6.1MB
  • Sample261029-1py53ae18s
  • SHA256 a84020f7f5c158085d49388b3f77d1b7b958864dc1701ea24724c532973e3ce0
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
bootkitdiscoveryexecutionpersistence

Malware Config

Targets

    • Target
      BOYKA.exe
    • Size 6.1MB
    • SHA256 a84020f7f5c158085d49388b3f77d1b7b958864dc1701ea24724c532973e3ce0
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    7/10
    bootkitdiscoveryexecutionpersistence

    • Checks computer location settings

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

    • Executes dropped EXE

    • Writes to the Master Boot Record (MBR)

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

      bootkitpersistence

    • ConfuserEx .NET packer

      Detects ConfuserEx .NET packer.

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks