Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    30/07/2026, 12:20

General

  • Target
    VATN0.20260730141511.exe
  • Size 3.5MB
  • Sample260730-ph79lshd32
  • SHA256 3a0583f7d3f41e1c2c36fa585ad620a518ab6661767f2e9683023745b6f58c4c
  • 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 2 IoCs

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

  • Enumerates processes with tasklist 1 TTPs 6 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Executes a command shell one-liner 1 TTPs 5 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 29 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 6 IoCs
  • Kills process with taskkill 2 IoCs
  • Modifies registry class 10 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\VATN0.20260730141511.exe
    "C:\Users\Admin\AppData\Local\Temp\VATN0.20260730141511.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4316
    • 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:4988
      • C:\Windows\SysWOW64\ComputerDefaults.exe
        C:\Windows\System32\ComputerDefaults.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3756
        • C:\ProgramData\S-1-5-21-145535584-1382840574-941214107-1001\SystemAppData\mscopilot.exe
          "mscopilot.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:3400
          • 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:3904
          • C:\Windows\SysWOW64\cmd.exe
            cmd.exe /c start "" /B cmd /C C:\Users\Admin\AppData\Local\Temp\D466ABEC7F6604FFE4A.BAT
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4796
            • C:\Windows\SysWOW64\cmd.exe
              cmd /C C:\Users\Admin\AppData\Local\Temp\D466ABEC7F6604FFE4A.BAT
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:520
              • C:\Windows\SysWOW64\tasklist.exe
                tasklist /FI "IMAGENAME eq mscopilot.exe"
                7⤵
                • Enumerates processes with tasklist
                • System Location Discovery: System Language Discovery
                • Suspicious use of AdjustPrivilegeToken
                PID:2760
              • C:\Windows\SysWOW64\find.exe
                find /I "mscopilot.exe"
                7⤵
                • System Location Discovery: System Language Discovery
                PID:380
              • C:\Windows\SysWOW64\timeout.exe
                timeout /t 30 /nobreak
                7⤵
                • System Location Discovery: System Language Discovery
                • Delays execution with timeout.exe
                PID:1772
  • C:\ProgramData\S-1-5-21-145535584-1382840574-941214107-1001\SystemAppData\mscopilot.exe
    C:\ProgramData\S-1-5-21-145535584-1382840574-941214107-1001\SystemAppData\mscopilot.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2020
    • C:\Windows\SysWOW64\taskkill.exe
      taskkill /f /im cmd.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:1244
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c start "" /B cmd /C C:\Users\Admin\AppData\Local\Temp\D466ABEC7F6604FFE4A.BAT
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:756
      • C:\Windows\SysWOW64\cmd.exe
        cmd /C C:\Users\Admin\AppData\Local\Temp\D466ABEC7F6604FFE4A.BAT
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4056
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist /FI "IMAGENAME eq mscopilot.exe"
          4⤵
          • Enumerates processes with tasklist
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:4656
        • C:\Windows\SysWOW64\find.exe
          find /I "mscopilot.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:5112
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 30 /nobreak
          4⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:964
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist /FI "IMAGENAME eq mscopilot.exe"
          4⤵
          • Enumerates processes with tasklist
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:2352
        • C:\Windows\SysWOW64\find.exe
          find /I "mscopilot.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1908
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 30 /nobreak
          4⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:4448
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist /FI "IMAGENAME eq mscopilot.exe"
          4⤵
          • Enumerates processes with tasklist
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:2308
        • C:\Windows\SysWOW64\find.exe
          find /I "mscopilot.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1420
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 30 /nobreak
          4⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:4476
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist /FI "IMAGENAME eq mscopilot.exe"
          4⤵
          • Enumerates processes with tasklist
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:2232
        • C:\Windows\SysWOW64\find.exe
          find /I "mscopilot.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:380
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 30 /nobreak
          4⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:4576
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist /FI "IMAGENAME eq mscopilot.exe"
          4⤵
          • Enumerates processes with tasklist
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:2032
        • C:\Windows\SysWOW64\find.exe
          find /I "mscopilot.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:3804
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 30 /nobreak
          4⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:1680

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        PDFCore8.dll

        • Path C:\ProgramData\S-1-5-21-145535584-1382840574-941214107-1001\SystemAppData\PDFCore8.dll
        • Size 3.6MB
        • SHA256 a81b2427fe5a5755207fd8a60d0e067cb212dac40f5f97f8854e614cf42d7e22
        • MD5 SHA1 SHA512 SSDEEP TLSH

        mscopilot.exe

        • Path C:\ProgramData\S-1-5-21-145535584-1382840574-941214107-1001\SystemAppData\mscopilot.exe
        • Size 3.5MB
        • SHA256 3a0583f7d3f41e1c2c36fa585ad620a518ab6661767f2e9683023745b6f58c4c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        D466ABEC7F6604FFE4A.BAT

        • Path C:\Users\Admin\AppData\Local\Temp\D466ABEC7F6604FFE4A.BAT
        • Size 858B
        • SHA256 5ae867542654bc8424404313a9eda5e3b95d2108de26e9f977aceb57da2a5959
        • MD5 SHA1 SHA512 TLSH

        D466ABEC7F6604FFE4A.BAT

        • Path C:\Users\Admin\AppData\Local\Temp\D466ABEC7F6604FFE4A.BAT
        • Size 858B
        • SHA256 04499a8387729d7d96d1a2d2d2580844501cee29d9f2d7270755ff2652eddb4d
        • MD5 SHA1 SHA512 TLSH

        PDFCORE8.DLL

        • Path C:\Users\Admin\AppData\Local\Temp\PDFCORE8.DLL
        • Size 3.6MB
        • SHA256 b401408351edc3b34e6e71f6528b1aac2054c59de4f7faaf8be74205e52900de
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3400-14-0x0000000003710000-0x0000000003767000-memory.dmp

        memory/3400-15-0x0000000003710000-0x0000000003767000-memory.dmp

        memory/3400-17-0x0000000003710000-0x0000000003767000-memory.dmp

        memory/3400-21-0x0000000003710000-0x0000000003767000-memory.dmp

        memory/3400-20-0x0000000003710000-0x0000000003767000-memory.dmp