Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    03/08/2026, 05:58

General

  • Target
    java.exe
  • Size 481KB
  • Sample260803-gpkswsch64
  • SHA256 97e401e1dd553ffd49025a5a665884f8b6e68c46956bd5f8846d4799bbe76b2e
  • 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.

  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 7 IoCs
  • Looks up external IP address via web service 1 TTPs 9 IoCs

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

  • Drops file in Windows directory 16 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.

  • 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 7 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\java.exe
    "C:\Users\Admin\AppData\Local\Temp\java.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4632
    • C:\Windows\SYSTEM32\CMD.exe
      "CMD" netsh advfirewall firewall add rule name="?!&KhZ:|h&Flha" dir=in action=allow program="C:\Windows\xdwdSystem32\Defender.exe" enable=yes & exit
      2⤵
        PID:6124
      • 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:4856
        • 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:4136
      • 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:4548
        • 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:5588
      • 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:5900
    • 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:6044
    • 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:2052
    • 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:3200
    • 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:3680

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          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 481KB
          • SHA256 97e401e1dd553ffd49025a5a665884f8b6e68c46956bd5f8846d4799bbe76b2e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/4632-0-0x000002097BE60000-0x000002097BEDE000-memory.dmp

          memory/4632-1-0x00007FF8B90BF000-0x00007FF8B90C0000-memory.dmp

          memory/4632-2-0x00007FF8B8F30000-0x00007FF8B98D4000-memory.dmp

          memory/4632-3-0x00007FF8B8F30000-0x00007FF8B98D4000-memory.dmp

          memory/4632-4-0x00007FF8B8F30000-0x00007FF8B98D4000-memory.dmp

          memory/4632-5-0x00007FF8B8F30000-0x00007FF8B98D4000-memory.dmp

          memory/4632-107-0x00007FF8B8F30000-0x00007FF8B98D4000-memory.dmp