Analysis

  • max time kernel
    300s
  • max time network
    299s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/09/2026, 14:36

General

  • Target
    LUA51.dll
  • Size 5.3MB
  • Sample260910-ryp43shc98
  • SHA256 3049bd70fbcab71d68696ce6331e7da860f98dea6f9b63afa67fafeb17bc980f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Badlisted process makes network request 5 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Executes dropped EXE 3 IoCs
  • Enumerates connected drives 3 TTPs 22 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Looks up external IP address via web service 1 TTPs 3 IoCs

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

  • Discovers running processes 1 TTPs 5 IoCs

    Running process information can be used to identify security tools or plan follow-on actions.

  • Drops file in System32 directory 1 IoCs
  • 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.

  • System Location Discovery: System Language Discovery 1 TTPs 20 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Delays execution with timeout.exe 5 IoCs
  • Kills process with taskkill 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: LoadsDriver 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\LUA51.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2504
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\LUA51.dll,#1
      2⤵
      • Badlisted process makes network request
      • Enumerates connected drives
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2060
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im cmd.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:4856
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c start "" /B cmd /C "C:\Users\Public\NVIDIA Corporation\S-1-5-21-1738198120-2966725515-3980530802\S-1-5-21-1738198120-2966725515-3980530802.bAt"
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5776
        • C:\Windows\SysWOW64\cmd.exe
          cmd /C "C:\Users\Public\NVIDIA Corporation\S-1-5-21-1738198120-2966725515-3980530802\S-1-5-21-1738198120-2966725515-3980530802.bAt"
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:5240
          • C:\Windows\SysWOW64\tasklist.exe
            TASKLIST /FI "IMAGENAME eq rundll32.exe" /FO CSV
            5⤵
            • Discovers running processes
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            PID:2344
          • C:\Windows\SysWOW64\find.exe
            FIND /I "rundll32.exe"
            5⤵
            • System Location Discovery: System Language Discovery
            PID:5136
          • C:\Windows\SysWOW64\timeout.exe
            TIMEOUT /t 60 /nobreak
            5⤵
            • System Location Discovery: System Language Discovery
            • Delays execution with timeout.exe
            PID:5344
          • C:\Windows\SysWOW64\tasklist.exe
            TASKLIST /FI "IMAGENAME eq rundll32.exe" /FO CSV
            5⤵
            • Discovers running processes
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            PID:4104
          • C:\Windows\SysWOW64\find.exe
            FIND /I "rundll32.exe"
            5⤵
            • System Location Discovery: System Language Discovery
            PID:1816
          • C:\Windows\SysWOW64\timeout.exe
            TIMEOUT /t 60 /nobreak
            5⤵
            • System Location Discovery: System Language Discovery
            • Delays execution with timeout.exe
            PID:5696
          • C:\Windows\SysWOW64\tasklist.exe
            TASKLIST /FI "IMAGENAME eq rundll32.exe" /FO CSV
            5⤵
            • Discovers running processes
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            PID:3456
          • C:\Windows\SysWOW64\find.exe
            FIND /I "rundll32.exe"
            5⤵
            • System Location Discovery: System Language Discovery
            PID:6076
          • C:\Windows\SysWOW64\timeout.exe
            TIMEOUT /t 60 /nobreak
            5⤵
            • System Location Discovery: System Language Discovery
            • Delays execution with timeout.exe
            PID:2528
          • C:\Windows\SysWOW64\tasklist.exe
            TASKLIST /FI "IMAGENAME eq rundll32.exe" /FO CSV
            5⤵
            • Discovers running processes
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            PID:3080
          • C:\Windows\SysWOW64\find.exe
            FIND /I "rundll32.exe"
            5⤵
            • System Location Discovery: System Language Discovery
            PID:4408
          • C:\Windows\SysWOW64\timeout.exe
            TIMEOUT /t 60 /nobreak
            5⤵
            • System Location Discovery: System Language Discovery
            • Delays execution with timeout.exe
            PID:4632
          • C:\Windows\SysWOW64\tasklist.exe
            TASKLIST /FI "IMAGENAME eq rundll32.exe" /FO CSV
            5⤵
            • Discovers running processes
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            PID:6128
          • C:\Windows\SysWOW64\find.exe
            FIND /I "rundll32.exe"
            5⤵
            • System Location Discovery: System Language Discovery
            PID:3464
          • C:\Windows\SysWOW64\timeout.exe
            TIMEOUT /t 60 /nobreak
            5⤵
            • System Location Discovery: System Language Discovery
            • Delays execution with timeout.exe
            PID:4428
  • C:\Users\Public\NVIDIAvkmaPxOqKooX.pol
    C:\Users\Public\NVIDIAvkmaPxOqKooX.pol
    1⤵
    • Executes dropped EXE
    PID:4568
  • C:\Users\Public\NVIDIAsHyFiRIApKJVqRSY.pol
    C:\Users\Public\NVIDIAsHyFiRIApKJVqRSY.pol
    1⤵
    • Executes dropped EXE
    PID:928
  • C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\SysWOW64\rundll32.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3104

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        S-1-5-21-1738198120-2966725515-3980530802.bAt

        • Path C:\Users\Public\NVIDIA Corporation\S-1-5-21-1738198120-2966725515-3980530802\S-1-5-21-1738198120-2966725515-3980530802.bAt
        • Size 1KB
        • SHA256 7d06a8abb5d8cb1a436afe97afcb9ff8fcd1b135bdb716dd2e6f35e1a235bbac
        • MD5 SHA1 SHA512 TLSH

        NVIDIAsHyFiRIApKJVqRSY.pol

        • Path C:\Users\Public\NVIDIAsHyFiRIApKJVqRSY.pol
        • Size 32KB
        • SHA256 fb1c10d2d9e89ae8263faaed9b211bd1585896fc8eb4bc21622942a8a22cee09
        • MD5 SHA1 SHA512 SSDEEP TLSH

        NVIDIAsHyFiRIApKJVqRSY.pol.efi

        • Path C:\Users\Public\NVIDIAsHyFiRIApKJVqRSY.pol.efi
        • Size 32KB
        • SHA256 24da6fb34a3ae5bfc1ce8c8a856ce98a4689f29fb92acc30aece99dddbc3d11a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        NVIDIAvkmaPxOqKooX.pol

        • Path C:\Users\Public\NVIDIAvkmaPxOqKooX.pol
        • Size 17KB
        • SHA256 671e564fa73da5f33f6591d27eef6d3f02264c94f4cf85328bab1412a7fcb687
        • MD5 SHA1 SHA512 SSDEEP TLSH

        NVIDIAvkmaPxOqKooX.pol.efi

        • Path C:\Users\Public\NVIDIAvkmaPxOqKooX.pol.efi
        • Size 17KB
        • SHA256 df561907f273d59c2da31b4fdd7cebc31baadf8d0ef649883245dd40d956aad7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        rundll32.exe

        • Path C:\Windows\SysWOW64\rundll32.exe
        • Size 51KB
        • SHA256 ce6bb7eddc83762c708d4a41709ae00371dbdc09b2a380f28fa60b1edf917473
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2060-31-0x0000000002A00000-0x0000000002A53000-memory.dmp

        memory/2060-34-0x0000000002B60000-0x0000000002BB8000-memory.dmp

        memory/2060-35-0x0000000002B60000-0x0000000002BB8000-memory.dmp

        memory/2060-38-0x0000000002B60000-0x0000000002BB8000-memory.dmp

        memory/2060-40-0x0000000002B60000-0x0000000002BB8000-memory.dmp

        memory/2060-41-0x0000000002B60000-0x0000000002BB8000-memory.dmp

        memory/2060-54-0x0000000002B60000-0x0000000002BB8000-memory.dmp

        memory/4568-4-0x0000000000010000-0x0000000000017000-memory.dmp