Overview

overview

7

Static

static

3

2026-05-22...za.exe

windows10-2004-x64

7

2026-05-22...za.exe

windows11-21h2-x64

7

Sharing

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General

  • Target
    2026-05-22_e8159bba258c9e9b6496d87ff4134958_mespinoza
  • Size 4.4MB
  • Sample260522-vfb2aads5x
  • SHA256 e4d79499baf7691f71a1c7799567c3e78bb862e60b7b21edb2174c26375bcbaa
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
bootkitdefense_evasionpersistencespywaretrojan

Malware Config

Targets

    • Target
      2026-05-22_e8159bba258c9e9b6496d87ff4134958_mespinoza
    • Size 4.4MB
    • SHA256 e4d79499baf7691f71a1c7799567c3e78bb862e60b7b21edb2174c26375bcbaa
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    7/10
    bootkitpersistencedefense_evasionspywaretrojan

    • Checks BIOS information in registry

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

    • Writes to the Master Boot Record (MBR)

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

      bootkitpersistence

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks