Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-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 4 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 1 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:4224
    • 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:4424
    • 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:1340
    • 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:4480
  • 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:1836
    • 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:3168
    • 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:3916
    • 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:2440
    • 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:3040
    • 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:4356
  • 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:544

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

        __PSScriptPolicyTest_txdj503n.p5z.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_txdj503n.p5z.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512 TLSH

        memory/544-7-0x00007FF797150000-0x00007FF797162000-memory.dmp

        memory/1836-22-0x00007FF797150000-0x00007FF797162000-memory.dmp

        memory/1836-28-0x00007FF797150000-0x00007FF797162000-memory.dmp

        memory/1836-35-0x00007FF797150000-0x00007FF797162000-memory.dmp

        memory/1836-18-0x00007FF797150000-0x00007FF797162000-memory.dmp

        memory/1836-19-0x00007FF797150000-0x00007FF797162000-memory.dmp

        memory/1836-20-0x00007FF797150000-0x00007FF797162000-memory.dmp

        memory/1836-21-0x00007FF797150000-0x00007FF797162000-memory.dmp

        memory/1836-34-0x00007FF797150000-0x00007FF797162000-memory.dmp

        memory/1836-26-0x00007FF797150000-0x00007FF797162000-memory.dmp

        memory/1836-33-0x00007FF797150000-0x00007FF797162000-memory.dmp

        memory/1836-29-0x00007FF797150000-0x00007FF797162000-memory.dmp

        memory/1836-30-0x00007FF797150000-0x00007FF797162000-memory.dmp

        memory/1836-31-0x00007FF797150000-0x00007FF797162000-memory.dmp

        memory/1836-32-0x00007FF797150000-0x00007FF797162000-memory.dmp

        memory/3168-13-0x0000029970CD0000-0x0000029970CF2000-memory.dmp

        memory/4224-3-0x00007FF63D9D0000-0x00007FF63D9E2000-memory.dmp

        memory/4480-4-0x00007FF797150000-0x00007FF797162000-memory.dmp