Overview

overview

9

Static

static

3

sysupdate.exe

windows10-2004-x64

9

sysupdate.exe

windows11-ltsc_2024-x64

9

Analysis

  • user interaction
    yes
  • max time kernel
    900s
  • max time network
    416s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    29/07/2026, 21:45

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General

  • Target
    sysupdate.exe
  • Size 394KB
  • Sample260729-1mdrcafc68
  • SHA256 b0b13059a912d087feb7200a882305b1a93d9211b0c7edc3d3a5f6eea7868580
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
defense_evasionexecution

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
    defense_evasion
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
    defense_evasion
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
    defense_evasion
  • Stops running service(s) 4 TTPs
    defense_evasionexecution
  • Launches sc.exe 1 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Executes a command shell one-liner 1 TTPs 7 IoCs

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

    execution
  • Enumerates system info in registry 2 TTPs 6 IoCs
  • Kills process with taskkill 5 IoCs
    defense_evasion
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\sysupdate.exe
    "C:\Users\Admin\AppData\Local\Temp\sysupdate.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2108
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c cls
      2⤵
      • Executes a command shell one-liner
      PID:2400
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c taskkill /f /im HTTPDebuggerUI.exe >nul 2>&1
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:2052
      • C:\Windows\system32\taskkill.exe
        taskkill /f /im HTTPDebuggerUI.exe
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:4552
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c taskkill /f /im HTTPDebuggerSvc.exe >nul 2>&1
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:2256
      • C:\Windows\system32\taskkill.exe
        taskkill /f /im HTTPDebuggerSvc.exe
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2648
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c sc stop HTTPDebuggerPro >nul 2>&1
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:2832
      • C:\Windows\system32\sc.exe
        sc stop HTTPDebuggerPro
        3⤵
        • Launches sc.exe
        PID:3204
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c taskkill /FI "IMAGENAME eq cheatengine*" /IM * /F /T >nul 2>&1
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:5392
      • C:\Windows\system32\taskkill.exe
        taskkill /FI "IMAGENAME eq cheatengine*" /IM * /F /T
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1600
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c taskkill /FI "IMAGENAME eq httpdebugger*" /IM * /F /T >nul 2>&1
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:2640
      • C:\Windows\system32\taskkill.exe
        taskkill /FI "IMAGENAME eq httpdebugger*" /IM * /F /T
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:3360
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c taskkill /FI "IMAGENAME eq processhacker*" /IM * /F /T >nul 2>&1
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:1924
      • C:\Windows\system32\taskkill.exe
        taskkill /FI "IMAGENAME eq processhacker*" /IM * /F /T
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2020
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:5920
    • C:\Windows\System32\SecurityHealthHost.exe
      \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
      1⤵
        PID:4796

      Network

            MITRE ATT&CK Enterprise v16

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            Downloads

            memory/2108-0-0x0000000140000000-0x000000014006E000-memory.dmp
            Download

            memory/2108-1-0x0000000140000000-0x000000014006E000-memory.dmp
            Download