Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    27/08/2026, 12:30

General

  • Target
    client.exe
  • Size 37KB
  • Sample260827-ppntjsvbrb
  • SHA256 ef934adf694468560d1c78ec13639dbe21bc5cb93cefee0d1949043479dff61a
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Modifies Windows Firewall 2 TTPs 2 IoCs
  • Executes dropped EXE 3 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 4 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 22 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\client.exe
    "C:\Users\Admin\AppData\Local\Temp\client.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1324
    • C:\Windows\SYSTEM32\schtasks.exe
      schtasks /Create /F /TN "DiskDiagnostic_Logon_Init" /TR "C:\Users\Admin\AppData\Local\Microsoft\Windows\DiskDiagnostic\diskdiag.exe" /SC ONLOGON /RL HIGHEST
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:3180
    • C:\Windows\SYSTEM32\schtasks.exe
      schtasks /Create /F /TN "DiskDiagnostic_Health_Audit" /TR "'C:\Users\Admin\AppData\Local\Microsoft\Windows\DiskDiagnostic\diskdiag.exe' --disk-diag-svc" /SC MINUTE /MO 5 /RL HIGHEST
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:5920
    • C:\Users\Admin\AppData\Local\Microsoft\Windows\DiskDiagnostic\diskdiag.exe
      "C:\Users\Admin\AppData\Local\Microsoft\Windows\DiskDiagnostic\diskdiag.exe"
      2⤵
      • Executes dropped EXE
      PID:4200
  • C:\Users\Admin\AppData\Local\Microsoft\Windows\DiskDiagnostic\diskdiag.exe
    "C:\Users\Admin\AppData\Local\Microsoft\Windows\DiskDiagnostic\diskdiag.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:800
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Microsoft\Windows\DiskDiagnostic\diskdiag.exe' -ExclusionProcess 'diskdiag.exe' -ExclusionExtension '.exe' -Force"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4024
    • C:\Windows\SYSTEM32\netsh.exe
      netsh advfirewall firewall add rule name="Windows Disk Diagnostic Infrastructure" dir=in action=allow program="C:\Users\Admin\AppData\Local\Microsoft\Windows\DiskDiagnostic\diskdiag.exe" enable=yes profile=any
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      PID:4508
    • C:\Windows\SYSTEM32\netsh.exe
      netsh advfirewall firewall add rule name="Windows Disk Diagnostic Infrastructure" dir=out action=allow program="C:\Users\Admin\AppData\Local\Microsoft\Windows\DiskDiagnostic\diskdiag.exe" enable=yes profile=any
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      PID:2884
    • C:\Windows\SYSTEM32\schtasks.exe
      schtasks /Create /F /TN "DiskDiagnostic_Logon_Init" /TR "C:\Users\Admin\AppData\Local\Microsoft\Windows\DiskDiagnostic\diskdiag.exe" /SC ONLOGON /RL HIGHEST
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:4524
    • C:\Windows\SYSTEM32\schtasks.exe
      schtasks /Create /F /TN "DiskDiagnostic_Health_Audit" /TR "'C:\Users\Admin\AppData\Local\Microsoft\Windows\DiskDiagnostic\diskdiag.exe' --disk-diag-svc" /SC MINUTE /MO 5 /RL HIGHEST
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:4820
  • C:\Users\Admin\AppData\Local\Microsoft\Windows\DiskDiagnostic\diskdiag.exe
    C:\Users\Admin\AppData\Local\Microsoft\Windows\DiskDiagnostic\diskdiag.exe
    1⤵
    • Executes dropped EXE
    PID:2844
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:3816

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          diskdiag.exe

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\DiskDiagnostic\diskdiag.exe
          • Size 37KB
          • SHA256 ef934adf694468560d1c78ec13639dbe21bc5cb93cefee0d1949043479dff61a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/800-34-0x00007FF7F93D0000-0x00007FF7F93E2000-memory.dmp

          memory/800-36-0x00007FF7F93D0000-0x00007FF7F93E2000-memory.dmp

          memory/800-40-0x00007FF7F93D0000-0x00007FF7F93E2000-memory.dmp

          memory/800-39-0x00007FF7F93D0000-0x00007FF7F93E2000-memory.dmp

          memory/800-38-0x00007FF7F93D0000-0x00007FF7F93E2000-memory.dmp

          memory/800-37-0x00007FF7F93D0000-0x00007FF7F93E2000-memory.dmp

          memory/800-32-0x00007FF7F93D0000-0x00007FF7F93E2000-memory.dmp

          memory/800-15-0x00007FF7F93D0000-0x00007FF7F93E2000-memory.dmp

          memory/800-16-0x00007FF7F93D0000-0x00007FF7F93E2000-memory.dmp

          memory/800-27-0x00007FF7F93D0000-0x00007FF7F93E2000-memory.dmp

          memory/800-35-0x00007FF7F93D0000-0x00007FF7F93E2000-memory.dmp

          memory/800-29-0x00007FF7F93D0000-0x00007FF7F93E2000-memory.dmp

          memory/800-28-0x00007FF7F93D0000-0x00007FF7F93E2000-memory.dmp

          memory/800-33-0x00007FF7F93D0000-0x00007FF7F93E2000-memory.dmp

          memory/1324-1-0x00007FF7ADC60000-0x00007FF7ADC72000-memory.dmp

          memory/2844-5-0x00007FF7F93D0000-0x00007FF7F93E2000-memory.dmp

          memory/4024-13-0x0000015DD4160000-0x0000015DD416A000-memory.dmp

          memory/4024-12-0x0000015DD43C0000-0x0000015DD4472000-memory.dmp

          memory/4024-11-0x0000015DD4180000-0x0000015DD419E000-memory.dmp

          memory/4024-6-0x0000015DD40F0000-0x0000015DD4112000-memory.dmp

          memory/4200-2-0x00007FF7F93D0000-0x00007FF7F93E2000-memory.dmp