Analysis

  • user interaction
    yes
  • max time kernel
    1s
  • max time network
    9s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/10/2026, 19:56

Errors

Reason
Machine shutdown

General

  • Target
    WinLock.exe
  • Size 227KB
  • Sample261020-ynr91set3s
  • SHA256 5ed4ac131a872fe75cace42b0048f304cffcddc3d9e6d988b28c21c267e8b19b
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\WinLock.exe
    "C:\Users\Admin\AppData\Local\Temp\WinLock.exe"
    1⤵
    • Adds Run key to start application
    • Reads the TCP/IP host and domain name from the registry
    • Suspicious use of WriteProcessMemory
    PID:5948
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -File "C:\Users\Admin\AppData\Local\Temp\syscfg.ps1"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:864
      • C:\Windows\system32\ReAgentc.exe
        "C:\Windows\system32\ReAgentc.exe" /disable
        3⤵
          PID:2836
    • C:\Users\Admin\AppData\Local\Temp\WinLock.exe
      "C:\Users\Admin\AppData\Local\Temp\WinLock.exe"
      1⤵
        PID:5448
      • C:\Users\Admin\AppData\Local\Temp\WinLock.exe
        "C:\Users\Admin\AppData\Local\Temp\WinLock.exe" -startup
        1⤵
          PID:1940

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

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              Downloads

              __PSScriptPolicyTest_k0xotbbs.qod.ps1

              • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_k0xotbbs.qod.ps1
              • Size 60B
              • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
              • MD5 SHA1 SHA512 TLSH

              syscfg.ps1

              • Path C:\Users\Admin\AppData\Local\Temp\syscfg.ps1
              • Size 1KB
              • SHA256 9f86491c8dfad9ed35079e5b32c571c60f56c39e96a754c5babc34e94ac65735
              • MD5 SHA1 SHA512 TLSH

              memory/864-25-0x00007FFB997B0000-0x00007FFB9A154000-memory.dmp

              memory/864-20-0x00007FFB997B0000-0x00007FFB9A154000-memory.dmp

              memory/864-43-0x00007FFB997B0000-0x00007FFB9A154000-memory.dmp

              memory/864-41-0x0000027F6CC00000-0x0000027F6CCB2000-memory.dmp

              memory/864-40-0x0000027F6C9D0000-0x0000027F6C9EE000-memory.dmp

              memory/864-29-0x00007FFB997B0000-0x00007FFB9A154000-memory.dmp

              memory/864-27-0x00007FFB997B0000-0x00007FFB9A154000-memory.dmp

              memory/864-26-0x00007FFB997B0000-0x00007FFB9A154000-memory.dmp

              memory/864-18-0x00007FFB997B0000-0x00007FFB9A154000-memory.dmp

              memory/864-17-0x00007FFB997B0000-0x00007FFB9A154000-memory.dmp

              memory/864-24-0x00007FFB997B0000-0x00007FFB9A154000-memory.dmp

              memory/864-13-0x0000027F6C960000-0x0000027F6C982000-memory.dmp

              memory/864-23-0x00007FFB997B0000-0x00007FFB9A154000-memory.dmp

              memory/864-22-0x00007FFB997B0000-0x00007FFB9A154000-memory.dmp

              memory/5948-0-0x00007FFB9993F000-0x00007FFB99940000-memory.dmp

              memory/5948-3-0x00007FFB997B0000-0x00007FFB9A154000-memory.dmp

              memory/5948-15-0x00007FFB997B0000-0x00007FFB9A154000-memory.dmp

              memory/5948-14-0x00007FFB997B0000-0x00007FFB9A154000-memory.dmp

              memory/5948-1-0x000001F3CFB80000-0x000001F3CFBC0000-memory.dmp

              memory/5948-28-0x00007FFB997B0000-0x00007FFB9A154000-memory.dmp

              memory/5948-2-0x00007FFB997B0000-0x00007FFB9A154000-memory.dmp

              memory/5948-7-0x00007FFB997B0000-0x00007FFB9A154000-memory.dmp

              memory/5948-6-0x00007FFB997B0000-0x00007FFB9A154000-memory.dmp

              memory/5948-4-0x00007FFB997B0000-0x00007FFB9A154000-memory.dmp