Analysis

  • max time kernel
    300s
  • max time network
    289s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    22/08/2026, 16:09

General

  • Target
    Number-20260818232933.exe
  • Size 3.0MB
  • Sample260822-tl44kshq7z
  • SHA256 53a4e54f23228c129e2f3d6f34ac457878e49ed2bb5ac13f05c10a55693d2dd8
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • 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 4 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.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • 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 Location Discovery: System Language Discovery 1 TTPs 23 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
  • Modifies registry class 10 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Number-20260818232933.exe
    "C:\Users\Admin\AppData\Local\Temp\Number-20260818232933.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3824
    • C:\Windows\SysWOW64\cmd.exe
      /c C:\Windows\System32\ComputerDefaults.exe
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5076
      • C:\Windows\SysWOW64\ComputerDefaults.exe
        C:\Windows\System32\ComputerDefaults.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5524
        • C:\ProgramData\NvContainer.Session.{04A226C7-3C4C-4505-9A57-8AC85228CCCD}\nvcontainersession.nvi.pif\NVDisplay.Container.nvi.exe
          "NVDisplay.Container.nvi.exe"
          4⤵
          • Enumerates connected drives
          • Executes dropped EXE
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:352
          • C:\Windows\SysWOW64\taskkill.exe
            taskkill /f /im cmd.exe
            5⤵
            • System Location Discovery: System Language Discovery
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:1760
          • C:\Windows\SysWOW64\cmd.exe
            cmd.exe /c start "" /B cmd /C C:\Users\Admin\AppData\Local\Temp\S-1-5-21-552508041-2681165170-3229858294\S-1-5-21-552508041-2681165170-3229858294.CMD
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:5672
            • C:\Windows\SysWOW64\cmd.exe
              cmd /C C:\Users\Admin\AppData\Local\Temp\S-1-5-21-552508041-2681165170-3229858294\S-1-5-21-552508041-2681165170-3229858294.CMD
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2740
              • C:\Windows\SysWOW64\tasklist.exe
                TASKLIST /FI "IMAGENAME eq NVDisplay.Container.nvi.exe" /FO CSV
                7⤵
                • Discovers running processes
                • System Location Discovery: System Language Discovery
                • Suspicious use of AdjustPrivilegeToken
                PID:1944
              • C:\Windows\SysWOW64\find.exe
                FIND /I "NVDisplay.Container.nvi.exe"
                7⤵
                • System Location Discovery: System Language Discovery
                PID:4936
              • C:\Windows\SysWOW64\timeout.exe
                TIMEOUT /t 60 /nobreak
                7⤵
                • System Location Discovery: System Language Discovery
                • Delays execution with timeout.exe
                PID:4884
              • C:\Windows\SysWOW64\tasklist.exe
                TASKLIST /FI "IMAGENAME eq NVDisplay.Container.nvi.exe" /FO CSV
                7⤵
                • Discovers running processes
                • System Location Discovery: System Language Discovery
                • Suspicious use of AdjustPrivilegeToken
                PID:3508
              • C:\Windows\SysWOW64\find.exe
                FIND /I "NVDisplay.Container.nvi.exe"
                7⤵
                • System Location Discovery: System Language Discovery
                PID:4896
              • C:\Windows\SysWOW64\timeout.exe
                TIMEOUT /t 60 /nobreak
                7⤵
                • System Location Discovery: System Language Discovery
                • Delays execution with timeout.exe
                PID:5896
              • C:\Windows\SysWOW64\tasklist.exe
                TASKLIST /FI "IMAGENAME eq NVDisplay.Container.nvi.exe" /FO CSV
                7⤵
                • Discovers running processes
                • System Location Discovery: System Language Discovery
                • Suspicious use of AdjustPrivilegeToken
                PID:2160
              • C:\Windows\SysWOW64\find.exe
                FIND /I "NVDisplay.Container.nvi.exe"
                7⤵
                • System Location Discovery: System Language Discovery
                PID:2880
              • C:\Windows\SysWOW64\timeout.exe
                TIMEOUT /t 60 /nobreak
                7⤵
                • System Location Discovery: System Language Discovery
                • Delays execution with timeout.exe
                PID:5800
              • C:\Windows\SysWOW64\tasklist.exe
                TASKLIST /FI "IMAGENAME eq NVDisplay.Container.nvi.exe" /FO CSV
                7⤵
                • Discovers running processes
                • System Location Discovery: System Language Discovery
                • Suspicious use of AdjustPrivilegeToken
                PID:3048
              • C:\Windows\SysWOW64\find.exe
                FIND /I "NVDisplay.Container.nvi.exe"
                7⤵
                • System Location Discovery: System Language Discovery
                PID:3136
              • C:\Windows\SysWOW64\timeout.exe
                TIMEOUT /t 60 /nobreak
                7⤵
                • System Location Discovery: System Language Discovery
                • Delays execution with timeout.exe
                PID:3484
              • C:\Windows\SysWOW64\tasklist.exe
                TASKLIST /FI "IMAGENAME eq NVDisplay.Container.nvi.exe" /FO CSV
                7⤵
                • Discovers running processes
                • System Location Discovery: System Language Discovery
                • Suspicious use of AdjustPrivilegeToken
                PID:5992
              • C:\Windows\SysWOW64\find.exe
                FIND /I "NVDisplay.Container.nvi.exe"
                7⤵
                • System Location Discovery: System Language Discovery
                PID:3536
              • C:\Windows\SysWOW64\timeout.exe
                TIMEOUT /t 60 /nobreak
                7⤵
                • System Location Discovery: System Language Discovery
                • Delays execution with timeout.exe
                PID:4560
  • C:\ProgramData\NvContainer.Session.{04A226C7-3C4C-4505-9A57-8AC85228CCCD}\nvcontainersession.nvi.pif\NVDisplay.Container.nvi.exe
    C:\ProgramData\NvContainer.Session.{04A226C7-3C4C-4505-9A57-8AC85228CCCD}\nvcontainersession.nvi.pif\NVDisplay.Container.nvi.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:1096

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        NVDisplay.Container.nvi.exe

        • Path C:\ProgramData\NvContainer.Session.{04A226C7-3C4C-4505-9A57-8AC85228CCCD}\nvcontainersession.nvi.pif\NVDisplay.Container.nvi.exe
        • Size 3.0MB
        • SHA256 53a4e54f23228c129e2f3d6f34ac457878e49ed2bb5ac13f05c10a55693d2dd8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        hDP.dLL

        • Path C:\ProgramData\NvContainer.Session.{04A226C7-3C4C-4505-9A57-8AC85228CCCD}\nvcontainersession.nvi.pif\hDP.dLL
        • Size 5.3MB
        • SHA256 82219b5a553e738d112f284da60fe7ba91b34d368dc3d155e6d6af6386711304
        • MD5 SHA1 SHA512 SSDEEP TLSH

        hdp.log

        • Path C:\ProgramData\NvContainer.Session.{04A226C7-3C4C-4505-9A57-8AC85228CCCD}\nvcontainersession.nvi.pif\logger\hdp.log
        • Size 335B
        • SHA256 474f18478757dab8394a3475b23c18343638bd8554658eed35fe8d73879ab95d
        • MD5 SHA1 SHA512 TLSH

        S-1-5-21-552508041-2681165170-3229858294.CMD

        • Path C:\Users\Admin\AppData\Local\Temp\S-1-5-21-552508041-2681165170-3229858294\S-1-5-21-552508041-2681165170-3229858294.CMD
        • Size 1KB
        • SHA256 67996cf9420b1c59e2b4aa0e6bc04acc30af0095898390dab56e46d4355c36d6
        • MD5 SHA1 SHA512 TLSH

        memory/352-10-0x00000000051B0000-0x0000000005208000-memory.dmp

        memory/352-11-0x00000000051B0000-0x0000000005208000-memory.dmp

        memory/352-13-0x00000000051B0000-0x0000000005208000-memory.dmp

        memory/352-14-0x00000000051B0000-0x0000000005208000-memory.dmp

        memory/352-15-0x00000000051B0000-0x0000000005208000-memory.dmp