Analysis

  • user interaction
    yes
  • max time kernel
    131s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    08/08/2026, 13:04

General

  • Target
    app.exe
  • Size 515KB
  • Sample260808-qa36cs1xdw
  • SHA256 22dae34c2c163a3a010dc06a6cad3cb451c527c0d18d6dfc3b960994cfef95b2
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Dracula, Samurai

    Dracula aka Samurai is a stealer written in C#.

  • Detects Dracula aka Samurai Stealer payload 1 IoCs
  • 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 5 IoCs
  • Loads dropped DLL 15 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • 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 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).

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • Executes a command shell one-liner 1 TTPs 3 IoCs

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

  • System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 2 IoCs

    Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • 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 31 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of WriteProcessMemory 10 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.

  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\app.exe
    "C:\Users\Admin\AppData\Local\Temp\app.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Checks computer location settings
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3200
    • C:\Windows\SYSTEM32\CMD.exe
      "CMD" netsh advfirewall firewall add rule name="eHIOZ.S/ZIvqZ?" dir=in action=allow program="C:\Windows\System32\xdwdDefender.exe" enable=yes & exit
      2⤵
        PID:1944
      • 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⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:2880
        • 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:2596
      • 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⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:2720
        • 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:4360
      • C:\Windows\System32\xdwdDefender.exe
        "C:\Windows\System32\xdwdDefender.exe"
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Accesses Microsoft Outlook profiles
        • Drops file in System32 directory
        • Drops file in Windows directory
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        • outlook_office_path
        • outlook_win_path
        PID:3212
        • C:\Windows\System32\cmd.exe
          "cmd" /C chcp 65001 && netsh wlan show profiles | findstr All
          3⤵
          • Executes a command shell one-liner
          • System Network Configuration Discovery: Wi-Fi Discovery
          • Suspicious use of WriteProcessMemory
          PID:2600
          • C:\Windows\system32\chcp.com
            chcp 65001
            4⤵
              PID:2612
            • C:\Windows\system32\netsh.exe
              netsh wlan show profiles
              4⤵
              • Loads dropped DLL
              • Event Triggered Execution: Netsh Helper DLL
              • System Network Configuration Discovery: Wi-Fi Discovery
              • Suspicious behavior: EnumeratesProcesses
              PID:1792
            • C:\Windows\system32\findstr.exe
              findstr All
              4⤵
              • Loads dropped DLL
              • Suspicious behavior: EnumeratesProcesses
              PID:8
      • 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:4452
      • 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:1048
      • 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:2284
      • C:\Windows\system32\AUDIODG.EXE
        C:\Windows\system32\AUDIODG.EXE 0x498 0x490
        1⤵
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        PID:812
      • 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:1588

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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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 d049789c187b2f58c900eab10205bc037740dca8640ab40c314790fefaab66ff
            • MD5 SHA1 SHA512 TLSH

            tmp7228.tmp.dat

            • Path C:\Users\Admin\AppData\Local\Temp\tmp7228.tmp.dat
            • Size 224KB
            • SHA256 d781b56555e65272ef4019de8706cba5042fb7afcf0f6e2ca56183ca9567ba8e
            • MD5 SHA1 SHA512 SSDEEP TLSH

            tmp7229.tmp.dat

            • Path C:\Users\Admin\AppData\Local\Temp\tmp7229.tmp.dat
            • Size 138KB
            • SHA256 8557f90c38f7d05792217c45dae6269a0f753e652f283c29ad5a574de99ef36b
            • MD5 SHA1 SHA512 SSDEEP TLSH

            xdwdDefender.exe

            • Path C:\Windows\System32\xdwdDefender.exe
            • Size 515KB
            • SHA256 22dae34c2c163a3a010dc06a6cad3cb451c527c0d18d6dfc3b960994cfef95b2
            • MD5 SHA1 SHA512 SSDEEP TLSH

            xdwd.dll

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

            memory/3200-0-0x0000000000590000-0x0000000000618000-memory.dmp

            memory/3200-1-0x000000001C060000-0x000000001C070000-memory.dmp

            memory/3212-117-0x0000000002AD0000-0x0000000002AFA000-memory.dmp

            memory/3212-118-0x000000001C960000-0x000000001C9B0000-memory.dmp

            memory/3212-157-0x000000001CE40000-0x000000001D37E000-memory.dmp

            memory/3212-160-0x000000001CD40000-0x000000001CE0A000-memory.dmp