Overview

overview

10

Static

static

3

6653a00a517z0ibw.exe

windows10-2004-x64

10

6653a00a517z0ibw.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    26/08/2026, 19:46

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General

  • Target
    6653a00a517z0ibw.exe
  • Size 528KB
  • Sample260826-yhbebaak21
  • SHA256 0aee38f28772fba89cfd86c6a6af41772573b402eac057b6d9be13e7bd4e2c33
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
discoveryexecutionpersistenceprivilege_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
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 11 IoCs
  • Looks up external IP address via web service 1 TTPs 8 IoCs

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

    discovery
  • 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.

    execution
  • 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 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.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\6653a00a517z0ibw.exe
    "C:\Users\Admin\AppData\Local\Temp\6653a00a517z0ibw.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:3620
    • C:\Windows\SYSTEM32\CMD.exe
      "CMD" netsh advfirewall firewall add rule name="C~%V&pq &%)@&\" dir=in action=allow program="C:\Windows\xdwdSystem32\Defender.exe" enable=yes & exit
      2⤵
        PID:4952
      • 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:1248
        • 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:2572
      • 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:3920
        • 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:4464
      • 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:1696
    • 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:3172
    • 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:2756
    • 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:4412
    • 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:4536

    Network

          MITRE ATT&CK Enterprise v16

          Reconnaissance

          Resource Development

          Initial Access

          Execution

          Command and Scripting Interpreter

          1
          T1059

          Windows Command Shell

          1
          T1059.003

          Scheduled Task/Job

          1
          T1053

          Scheduled Task

          1
          T1053.005

          Persistence

          Boot or Logon Autostart Execution

          1
          T1547

          Winlogon Helper DLL

          1
          T1547.004

          Event Triggered Execution

          1
          T1546

          AppInit DLLs

          1
          T1546.010

          Scheduled Task/Job

          1
          T1053

          Scheduled Task

          1
          T1053.005

          Privilege Escalation

          Boot or Logon Autostart Execution

          1
          T1547

          Winlogon Helper DLL

          1
          T1547.004

          Event Triggered Execution

          1
          T1546

          AppInit DLLs

          1
          T1546.010

          Scheduled Task/Job

          1
          T1053

          Scheduled Task

          1
          T1053.005

          Defense Evasion

          Modify Registry

          1
          T1112

          Credential Access

          Discovery

          Query Registry

          2
          T1012

          System Information Discovery

          2
          T1082

          System Network Configuration Discovery

          1
          T1016

          Internet Connection Discovery

          1
          T1016.001

          Lateral Movement

          Collection

          Command and Control

          Exfiltration

          Impact

          Replay Monitor

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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
          Submit Download

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

          Defender.exe
          • Path C:\Windows\xdwdSystem32\Defender.exe
          • Size 528KB
          • SHA256 0aee38f28772fba89cfd86c6a6af41772573b402eac057b6d9be13e7bd4e2c33
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/3620-0-0x00000173C85C0000-0x00000173C864A000-memory.dmp
          Download

          memory/3620-1-0x00000173E2DB0000-0x00000173E2DC0000-memory.dmp
          Download