Analysis

  • max time kernel
    52s
  • max time network
    34s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    13/11/2026, 17:44

Errors

Reason
Machine shutdown

General

  • Target
    thoukeys/thykey.exe
  • Size 14.6MB
  • Sample261113-wa7fnset2w
  • SHA256 a6f5cda2302f174e0790d2d31325b0a91596c10d2d9ea94504f0640bfc9053db
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

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

  • Executes a command shell one-liner 1 TTPs 3 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • Kills process with taskkill 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\thoukeys\thykey.exe
    "C:\Users\Admin\AppData\Local\Temp\thoukeys\thykey.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • Suspicious use of WriteProcessMemory
    PID:4532
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c taskkill /f /im taskmgr.exe
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:4660
      • C:\Windows\system32\taskkill.exe
        taskkill /f /im taskmgr.exe
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:5784
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c taskkill /f /im explorer.exe
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:2532
      • C:\Windows\system32\taskkill.exe
        taskkill /f /im explorer.exe
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:4344
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c taskkill /f /im svchost.exe
      2⤵
      • Executes a command shell one-liner
      PID:6012
      • C:\Windows\system32\taskkill.exe
        taskkill /f /im svchost.exe
        3⤵
        • Kills process with taskkill
        PID:2520

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/4532-0-0x00007FF68FFF0000-0x00007FF690CE6000-memory.dmp