Overview

overview

7

Static

static

3

oya.exe

windows10-2004-x64

7

oya.exe

windows11-ltsc_2024-x64

7

Sharing

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General

  • Target
    oya.exe
  • Size 5.0MB
  • Sample261014-1apyvaswes
  • SHA256 11dc21dd222ee46678aa25b6b891791e3080863892ccd0d614948cdb5dfb1751
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
bootkitdefense_evasionexecutionpersistence

Malware Config

Targets

    • Target
      oya.exe
    • Size 5.0MB
    • SHA256 11dc21dd222ee46678aa25b6b891791e3080863892ccd0d614948cdb5dfb1751
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    7/10
    bootkitdefense_evasionexecutionpersistence

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Indicator Removal: File Deletion

      Adversaries may delete files left behind by the actions of their intrusion activity.

      defense_evasion

    • Writes to the Master Boot Record (MBR)

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

      bootkitpersistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks