Overview

overview

10

Static

static

3

4ytq5w1kipjjp366.exe

windows10-2004-x64

10

4ytq5w1kipjjp366.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    144s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    17/05/2026, 12:34

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General

  • Target
    4ytq5w1kipjjp366.exe
  • Size 622KB
  • Sample260517-pr4msab15m
  • SHA256 ee233e845b6f0d79fd33a733d49b93affc0c83560e490b18c846fdcfeb9599fd
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
executionpersistenceprivilege_escalation

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
    persistence
  • 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.

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

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

  • Drops file in System32 directory 7 IoCs
  • Drops file in Windows directory 9 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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.

    persistenceexecution
  • 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.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\4ytq5w1kipjjp366.exe
    "C:\Users\Admin\AppData\Local\Temp\4ytq5w1kipjjp366.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4256
    • C:\Windows\SYSTEM32\CMD.exe
      "CMD" netsh advfirewall firewall add rule name="/jn'YH},Ynt{Y8" dir=in action=allow program="C:\Windows\System32\xdwdDefender.exe" enable=yes & exit
      2⤵
        PID:4872
      • C:\Windows\SYSTEM32\cmd.exe
        "cmd" /c schtasks /create /f /sc minute /mo 1 /tn "Microsoft\Windows\WAppCrashNvTew" /tr "C:\Windows\System32\xdwdDefender.exe" /RL HIGHEST & exit
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4584
        • C:\Windows\system32\schtasks.exe
          schtasks /create /f /sc minute /mo 1 /tn "Microsoft\Windows\WAppCrashNvTew" /tr "C:\Windows\System32\xdwdDefender.exe" /RL HIGHEST
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:1516
      • C:\Windows\SYSTEM32\cmd.exe
        "cmd" /c schtasks /create /f /sc minute /mo 30 /tn "Microsoft\MachineCore" /tr "C:\Windows\Web\xdwdMalwareDef.exe" /RL HIGHEST & exit
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:792
        • C:\Windows\system32\schtasks.exe
          schtasks /create /f /sc minute /mo 30 /tn "Microsoft\MachineCore" /tr "C:\Windows\Web\xdwdMalwareDef.exe" /RL HIGHEST
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:2428
      • C:\Windows\System32\xdwdDefender.exe
        "C:\Windows\System32\xdwdDefender.exe"
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in System32 directory
        • Drops file in Windows directory
        • Suspicious use of AdjustPrivilegeToken
        PID:1104
    • C:\Windows\Web\xdwdMalwareDef.exe
      C:\Windows\Web\xdwdMalwareDef.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:2524
    • C:\Windows\System32\xdwdDefender.exe
      C:\Windows\System32\xdwdDefender.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:2112
    • C:\Windows\System32\xdwdDefender.exe
      C:\Windows\System32\xdwdDefender.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:2800
    • C:\Windows\System32\xdwdDefender.exe
      C:\Windows\System32\xdwdDefender.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:1976

    Network

          MITRE ATT&CK Enterprise v16

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          Downloads

          xdwdDefender.exe.log
          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\xdwdDefender.exe.log
          • Size 1KB
          • SHA256 8b410de677f095f88c42c69c716a9383b94ceb86ca90666188fcd4f4df7fc9fa
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          xdwdDefender.exe
          • Path C:\Windows\System32\xdwdDefender.exe
          • Size 622KB
          • SHA256 ee233e845b6f0d79fd33a733d49b93affc0c83560e490b18c846fdcfeb9599fd
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

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

          memory/4256-0-0x0000000000E70000-0x0000000000F12000-memory.dmp
          Download

          memory/4256-1-0x0000000003100000-0x0000000003110000-memory.dmp
          Download