Overview

overview

10

Static

static

3

sxczs.exe

windows10-2004-x64

10

sxczs.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    26/08/2026, 19:24

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General

  • Target
    sxczs.exe
  • Size 498KB
  • Sample260826-x4cc3avelf
  • SHA256 cc537f11b4c1d37b373edcff91cfd716d85ed3784343bdea2a573d996ccb842d
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
collectiondiscoveryexecutiondracula_stealerpersistenceprivilege_escalationspywarestealer

Malware Config

Signatures

  • Family: Dracula, Samurai

    Dracula aka Samurai is a stealer written in C#.

    stealerdracula_stealer
  • Detects Dracula aka Samurai Stealer payload 1 IoCs
  • 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 10 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

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

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

    discovery
  • 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 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.

    persistenceprivilege_escalation
  • 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.

    execution
  • 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.

    discovery
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • 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 38 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.

    persistence
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\sxczs.exe
    "C:\Users\Admin\AppData\Local\Temp\sxczs.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:992
    • C:\Windows\SYSTEM32\CMD.exe
      "CMD" netsh advfirewall firewall add rule name="FS'cn<RYn'Osn_" dir=in action=allow program="C:\Windows\System32\xdwdDefender.exe" enable=yes & exit
      2⤵
        PID:1936
      • 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:4480
        • 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:6016
      • 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:3484
        • 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:3012
      • 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:2296
        • 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:4276
          • C:\Windows\system32\chcp.com
            chcp 65001
            4⤵
              PID:4920
            • 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:4128
            • C:\Windows\system32\findstr.exe
              findstr All
              4⤵
              • Loads dropped DLL
              • Suspicious behavior: EnumeratesProcesses
              PID:3284
      • 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:3420
      • 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:896
      • 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:3548
      • 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:1172

      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

            2
            T1546

            AppInit DLLs

            1
            T1546.010

            Netsh Helper DLL

            1
            T1546.007

            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

            2
            T1546

            AppInit DLLs

            1
            T1546.010

            Netsh Helper DLL

            1
            T1546.007

            Scheduled Task/Job

            1
            T1053

            Scheduled Task

            1
            T1053.005

            Defense Evasion

            Modify Registry

            1
            T1112

            Credential Access

            Credentials from Password Stores

            1
            T1555

            Credentials from Web Browsers

            1
            T1555.003

            Unsecured Credentials

            1
            T1552

            Credentials In Files

            1
            T1552.001

            Discovery

            Query Registry

            3
            T1012

            System Information Discovery

            2
            T1082

            System Network Configuration Discovery

            2
            T1016

            Internet Connection Discovery

            1
            T1016.001

            Wi-Fi Discovery

            1
            T1016.002

            Lateral Movement

            Collection

            Data from Local System

            1
            T1005

            Email Collection

            1
            T1114

            Command and Control

            Exfiltration

            Impact

            Replay Monitor

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            Downloads

            xdwdDefender.exe
            • Path C:\Windows\System32\xdwdDefender.exe
            • Size 498KB
            • SHA256 cc537f11b4c1d37b373edcff91cfd716d85ed3784343bdea2a573d996ccb842d
            • 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/992-0-0x000002A6BDA10000-0x000002A6BDA92000-memory.dmp
            Download

            memory/992-1-0x00007FFEBC44F000-0x00007FFEBC450000-memory.dmp
            Download

            memory/992-2-0x00007FFEBC2C0000-0x00007FFEBCC64000-memory.dmp
            Download

            memory/992-3-0x00007FFEBC2C0000-0x00007FFEBCC64000-memory.dmp
            Download

            memory/992-4-0x00007FFEBC2C0000-0x00007FFEBCC64000-memory.dmp
            Download

            memory/992-5-0x00007FFEBC2C0000-0x00007FFEBCC64000-memory.dmp
            Download

            memory/992-109-0x00007FFEBC2C0000-0x00007FFEBCC64000-memory.dmp
            Download

            memory/2296-113-0x00000237F7090000-0x00000237F70BA000-memory.dmp
            Download

            memory/2296-114-0x00000237F7A30000-0x00000237F7A80000-memory.dmp
            Download