Analysis

  • user interaction
    yes
  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    19/07/2026, 13:21

General

  • Target
    hkzfk5075g15ab3u.exe
  • Size 409KB
  • Sample260719-ql2rnsby6q
  • SHA256 464714e8d40c177c4518b00ead3f1a80870b23c2e8e3ce9a83a6e10b96af9fab
  • 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
  • Executes dropped EXE 5 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 8 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 7 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 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 4 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 4 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.

  • 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 63 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of WriteProcessMemory 14 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\hkzfk5075g15ab3u.exe
    "C:\Users\Admin\AppData\Local\Temp\hkzfk5075g15ab3u.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:3896
    • C:\Windows\SYSTEM32\CMD.exe
      "CMD" netsh advfirewall firewall add rule name="nIm^MuApMmLfM\" dir=in action=allow program="C:\Windows\System32\WifService.exe" enable=yes & exit
      2⤵
        PID:6024
      • C:\Windows\SYSTEM32\cmd.exe
        "cmd" /c schtasks /create /f /sc minute /mo 1 /tn "Microsoft\Windows\WAppCrashNvTew" /tr "C:\Windows\System32\WifService.exe" /RL HIGHEST & exit
        2⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:5796
        • C:\Windows\system32\schtasks.exe
          schtasks /create /f /sc minute /mo 1 /tn "Microsoft\Windows\WAppCrashNvTew" /tr "C:\Windows\System32\WifService.exe" /RL HIGHEST
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:6020
      • C:\Windows\SYSTEM32\cmd.exe
        "cmd" /c schtasks /create /f /sc minute /mo 30 /tn "Microsoft\MachineCore" /tr "C:\Windows\Web\BluetoothService.exe" /RL HIGHEST & exit
        2⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:5928
        • C:\Windows\system32\schtasks.exe
          schtasks /create /f /sc minute /mo 30 /tn "Microsoft\MachineCore" /tr "C:\Windows\Web\BluetoothService.exe" /RL HIGHEST
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:1916
      • C:\Windows\System32\WifService.exe
        "C:\Windows\System32\WifService.exe"
        2⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • Drops file in Windows directory
        • Suspicious use of AdjustPrivilegeToken
        PID:1828
    • C:\Windows\Web\BluetoothService.exe
      C:\Windows\Web\BluetoothService.exe
      1⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:5240
    • C:\Windows\System32\WifService.exe
      C:\Windows\System32\WifService.exe
      1⤵
      • Executes dropped EXE
      • 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:1552
      • C:\Windows\System32\cmd.exe
        "cmd" /C chcp 65001 && netsh wlan show profiles | findstr All
        2⤵
        • Executes a command shell one-liner
        • System Network Configuration Discovery: Wi-Fi Discovery
        • Suspicious use of WriteProcessMemory
        PID:1068
        • C:\Windows\system32\chcp.com
          chcp 65001
          3⤵
            PID:2420
          • C:\Windows\system32\netsh.exe
            netsh wlan show profiles
            3⤵
            • Event Triggered Execution: Netsh Helper DLL
            • System Network Configuration Discovery: Wi-Fi Discovery
            PID:2660
          • C:\Windows\system32\findstr.exe
            findstr All
            3⤵
              PID:1280
          • C:\Windows\System32\cmd.exe
            "cmd" /C chcp 65001 && netsh wlan show profiles | findstr All
            2⤵
            • Executes a command shell one-liner
            • System Network Configuration Discovery: Wi-Fi Discovery
            • Suspicious use of WriteProcessMemory
            PID:2116
            • C:\Windows\system32\chcp.com
              chcp 65001
              3⤵
                PID:5044
              • C:\Windows\system32\netsh.exe
                netsh wlan show profiles
                3⤵
                • Event Triggered Execution: Netsh Helper DLL
                • System Network Configuration Discovery: Wi-Fi Discovery
                PID:1916
              • C:\Windows\system32\findstr.exe
                findstr All
                3⤵
                  PID:5204
            • C:\Windows\System32\WifService.exe
              "C:\Windows\System32\WifService.exe"
              1⤵
              • Executes dropped EXE
              • Drops file in System32 directory
              • Drops file in Windows directory
              • Suspicious use of AdjustPrivilegeToken
              PID:2064
            • C:\Windows\System32\WifService.exe
              "C:\Windows\System32\WifService.exe"
              1⤵
              • Executes dropped EXE
              • Drops file in System32 directory
              • Drops file in Windows directory
              • Suspicious use of AdjustPrivilegeToken
              PID:5032

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

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                  Downloads

                  memory/1552-94-0x0000020081910000-0x000002008193A000-memory.dmp

                  memory/1552-95-0x00000200EC470000-0x00000200EC4C0000-memory.dmp

                  memory/3896-0-0x00007FFBB062F000-0x00007FFBB0630000-memory.dmp

                  memory/3896-1-0x000002A5AB1D0000-0x000002A5AB23C000-memory.dmp

                  memory/3896-2-0x00007FFBB04A0000-0x00007FFBB0E44000-memory.dmp

                  memory/3896-3-0x00007FFBB04A0000-0x00007FFBB0E44000-memory.dmp

                  memory/3896-4-0x00007FFBB04A0000-0x00007FFBB0E44000-memory.dmp

                  memory/3896-5-0x00007FFBB04A0000-0x00007FFBB0E44000-memory.dmp

                  memory/3896-86-0x00007FFBB04A0000-0x00007FFBB0E44000-memory.dmp

                  memory/3896-87-0x00007FFBB04A0000-0x00007FFBB0E44000-memory.dmp

                  memory/3896-97-0x00007FFBB04A0000-0x00007FFBB0E44000-memory.dmp