Analysis

  • user interaction
    yes
  • max time kernel
    900s
  • max time network
    901s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    31/07/2026, 12:18

General

  • Target
    SPNS.exe
  • Size 466KB
  • Sample260731-pgvbcsac94
  • SHA256 a096a57e35470bf89bae88cdb86da170d52b894ccfc29da7a815d273245af4fe
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Event Triggered Execution: AppInit DLLs 1 TTPs

    Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 18 IoCs
  • Loads dropped DLL 25 IoCs
  • Looks up external IP address via web service 1 TTPs 27 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in Windows directory 42 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Executes a command shell one-liner 1 TTPs 2 IoCs

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

  • Modifies registry class 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 20 IoCs
  • Suspicious use of WriteProcessMemory 6 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\SPNS.exe
    "C:\Users\Admin\AppData\Local\Temp\SPNS.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Checks computer location settings
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3092
    • C:\Windows\SYSTEM32\CMD.exe
      "CMD" netsh advfirewall firewall add rule name="4BE\#Q_%#E+h#Z" dir=in action=allow program="C:\Windows\xdwdSystem32\Defender.exe" enable=yes & exit
      2⤵
        PID:3904
      • C:\Windows\SYSTEM32\cmd.exe
        "cmd" /c schtasks /create /f /sc minute /mo 1 /tn "Microsoft\Windows\WAppCrashNvTew" /tr "C:\Windows\xdwdSystem32\Defender.exe" /RL HIGHEST & exit
        2⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:2824
        • C:\Windows\system32\schtasks.exe
          schtasks /create /f /sc minute /mo 1 /tn "Microsoft\Windows\WAppCrashNvTew" /tr "C:\Windows\xdwdSystem32\Defender.exe" /RL HIGHEST
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:3976
      • C:\Windows\SYSTEM32\cmd.exe
        "cmd" /c schtasks /create /f /sc minute /mo 30 /tn "Microsoft\MachineCore" /tr "C:\Windows\Web\MalwareDef.exe" /RL HIGHEST & exit
        2⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:3864
        • C:\Windows\system32\schtasks.exe
          schtasks /create /f /sc minute /mo 30 /tn "Microsoft\MachineCore" /tr "C:\Windows\Web\MalwareDef.exe" /RL HIGHEST
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:4420
      • C:\Windows\xdwdSystem32\Defender.exe
        "C:\Windows\xdwdSystem32\Defender.exe"
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in Windows directory
        • Suspicious use of AdjustPrivilegeToken
        PID:992
    • C:\Windows\Web\MalwareDef.exe
      C:\Windows\Web\MalwareDef.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1596
    • C:\Windows\xdwdSystem32\Defender.exe
      C:\Windows\xdwdSystem32\Defender.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:3280
    • C:\Windows\xdwdSystem32\Defender.exe
      C:\Windows\xdwdSystem32\Defender.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:2216
    • C:\Windows\xdwdSystem32\Defender.exe
      C:\Windows\xdwdSystem32\Defender.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:1228
    • C:\Windows\xdwdSystem32\Defender.exe
      C:\Windows\xdwdSystem32\Defender.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:1896
    • C:\Windows\xdwdSystem32\Defender.exe
      C:\Windows\xdwdSystem32\Defender.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:688
    • C:\Windows\xdwdSystem32\Defender.exe
      C:\Windows\xdwdSystem32\Defender.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:5084
    • C:\Windows\xdwdSystem32\Defender.exe
      C:\Windows\xdwdSystem32\Defender.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:400
    • C:\Windows\xdwdSystem32\Defender.exe
      C:\Windows\xdwdSystem32\Defender.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:2268
    • C:\Windows\xdwdSystem32\Defender.exe
      C:\Windows\xdwdSystem32\Defender.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:4228
    • C:\Windows\xdwdSystem32\Defender.exe
      C:\Windows\xdwdSystem32\Defender.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:3516
    • C:\Windows\xdwdSystem32\Defender.exe
      C:\Windows\xdwdSystem32\Defender.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:704
    • C:\Windows\xdwdSystem32\Defender.exe
      C:\Windows\xdwdSystem32\Defender.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:4128
    • C:\Windows\xdwdSystem32\Defender.exe
      C:\Windows\xdwdSystem32\Defender.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:3856
    • C:\Windows\xdwdSystem32\Defender.exe
      C:\Windows\xdwdSystem32\Defender.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:3364
    • C:\Windows\xdwdSystem32\Defender.exe
      C:\Windows\xdwdSystem32\Defender.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:4856
    • C:\Windows\xdwdSystem32\Defender.exe
      C:\Windows\xdwdSystem32\Defender.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:3788

    Network

          MITRE ATT&CK Enterprise v16

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          Downloads

          Defender.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\Defender.exe.log
          • Size 1KB
          • SHA256 d049789c187b2f58c900eab10205bc037740dca8640ab40c314790fefaab66ff
          • MD5 SHA1 SHA512 TLSH

          xdwd.dll

          • Path C:\Windows\xdwd.dll
          • Size 136KB
          • SHA256 35c8d022e1d917f1aabdceae98097ccc072161b302f84c768ca63e4b32ac2b66
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Defender.exe

          • Path C:\Windows\xdwdSystem32\Defender.exe
          • Size 466KB
          • SHA256 a096a57e35470bf89bae88cdb86da170d52b894ccfc29da7a815d273245af4fe
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/3092-0-0x000001CC58AF0000-0x000001CC58B6A000-memory.dmp

          memory/3092-1-0x000001CC73B20000-0x000001CC73B30000-memory.dmp