Overview

overview

7

Static

static

3

f9557670dd...ed.exe

windows10-2004-x64

7

f9557670dd...ed.exe

windows11-ltsc_2024-x64

7

Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260617-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    24/06/2026, 18:45

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General

  • Target
    f9557670dd45bda485da28f6683f31cce7bc38bf7495389089ee39a8bf3142ed.exe
  • Size 47.6MB
  • Sample260624-xd8ctaex9s
  • SHA256 f9557670dd45bda485da28f6683f31cce7bc38bf7495389089ee39a8bf3142ed
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
persistence

Malware Config

Signatures

  • Drops startup file 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f9557670dd45bda485da28f6683f31cce7bc38bf7495389089ee39a8bf3142ed.exe
    "C:\Users\Admin\AppData\Local\Temp\f9557670dd45bda485da28f6683f31cce7bc38bf7495389089ee39a8bf3142ed.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3712
    • C:\Users\Admin\AppData\Local\Temp\WU\WUEngine.exe
      C:\Users\Admin\AppData\Local\Temp\WU\WUEngine.exe --hidden
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:5700
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /d /s /c "reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v WindowsSecurityHealth /t REG_SZ /d "wscript.exe //B ""C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Caches\WU\WUEngineWatchdog.vbs""" /f"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:5408
        • C:\Windows\system32\reg.exe
          reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v WindowsSecurityHealth /t REG_SZ /d "wscript.exe //B ""C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Caches\WU\WUEngineWatchdog.vbs""" /f
          4⤵
          • Adds Run key to start application
          PID:3504
      • C:\Windows\system32\cmd.exe
        cmd.exe /q /k
        3⤵
          PID:1808

    Network

          MITRE ATT&CK Enterprise v16

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          Downloads

          WUEngine.exe
          • Path C:\Users\Admin\AppData\Local\Temp\WU\WUEngine.exe
          • Size 47.6MB
          • SHA256 f9557670dd45bda485da28f6683f31cce7bc38bf7495389089ee39a8bf3142ed
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          client_id
          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Caches\WU\client_id
          • Size 36B
          • SHA256 508e15a256db562782da514406926b38ac2fc94d98e3afc21925263a5bc4424b
          • MD5 SHA1 SHA512
          Submit Download