Analysis

  • max time kernel
    149s
  • max time network
    134s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    03/08/2026, 17:13

General

  • Target
    hw_report.ps1
  • Size 18KB
  • Sample260803-vrf5datfna
  • SHA256 eb801cd844edda6dc143c4f1f55ad41fe846310fa6dac989b04e8e6d19f717c8
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in System32 directory 17 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 6 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Checks SCSI registry key(s) 3 TTPs 50 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies data under HKEY_USERS 41 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\WindowsPowerShell\v1.0\PowerShell.exe
    powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\hw_report.ps1
    1⤵
    • Command and Scripting Interpreter: PowerShell
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1996
    • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
      "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\1w33kexf\1w33kexf.cmdline"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3460
      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
        C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES42CC.tmp" "c:\Users\Admin\AppData\Local\Temp\1w33kexf\CSCFA0081CEBBB3448EB925F7E54A6DFE50.TMP"
        3⤵
          PID:5544
      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
        "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\145uxmf1\145uxmf1.cmdline"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4244
        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
          C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES47DD.tmp" "c:\Users\Admin\AppData\Local\Temp\145uxmf1\CSC404194878B984EB89761F3652104489.TMP"
          3⤵
            PID:5388
        • C:\Users\Admin\AppData\Local\Temp\nwinfo.exe
          "C:\Users\Admin\AppData\Local\Temp\nwinfo.exe" --format=json --cp=utf8 --human --sys --cpu --uefi --gpu --display --smbios --net=phys --disk=phys --audio
          2⤵
          • Enumerates connected drives
          • Writes to the Master Boot Record (MBR)
          • Checks SCSI registry key(s)
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:3508
          • C:\Users\Admin\AppData\Local\Temp\PawnIOSetup.exe
            PawnIOSetup.exe -install -silent
            3⤵
            • Drops file in System32 directory
            • Drops file in Program Files directory
            • Drops file in Windows directory
            • Checks SCSI registry key(s)
            • Suspicious use of AdjustPrivilegeToken
            PID:1192
          • C:\Users\Admin\AppData\Local\Temp\PawnIOSetup.exe
            PawnIOSetup.exe -uninstall -silent
            3⤵
            • Drops file in Windows directory
            • Checks SCSI registry key(s)
            • Suspicious use of AdjustPrivilegeToken
            PID:3108
      • C:\Windows\system32\DrvInst.exe
        DrvInst.exe "4" "0" "C:\Users\Admin\AppData\Local\Temp\{c173af59-7011-9d49-bb07-024b304b58ea}\pawnio.inf" "9" "4c553107b" "0000000000000170" "WinSta0\Default" "0000000000000130" "208" "c:\windows\temp\pawnio_9d82f6af.tmp"
        1⤵
        • Drops file in System32 directory
        • Drops file in Windows directory
        • Checks SCSI registry key(s)
        • Modifies data under HKEY_USERS
        PID:2124
      • C:\Windows\system32\DrvInst.exe
        DrvInst.exe "2" "211" "ROOT\PAWNIO\0000" "C:\Windows\System32\DriverStore\FileRepository\pawnio.inf_amd64_a72a2f969b8b7496\pawnio.inf" "oem1.inf:4d51782f23653f6e:PawnIO_Device:2.2.0.0:root\pawnio," "4c553107b" "0000000000000194" "1e79"
        1⤵
        • Drops file in Windows directory
        • Suspicious use of AdjustPrivilegeToken
        PID:1808

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            PawnIOLib.dll

            • Path C:\Program Files\PawnIO\PawnIOLib.dll
            • Size 38KB
            • SHA256 d71f62627d66983bb9f5b1c269f27bcd8c1b8a46e794377a6330f84c198f4443
            • MD5 SHA1 SHA512 SSDEEP TLSH

            PawnIOLib.h

            • Path C:\Program Files\PawnIO\PawnIOLib.h
            • Size 4KB
            • SHA256 307e64aa72e30fb9e0b9c637390a035d691e306be8a0048b30a94904e8e52726
            • MD5 SHA1 SHA512 SSDEEP TLSH

            PawnIOUtil.exe

            • Path C:\Program Files\PawnIO\PawnIOUtil.exe
            • Size 308KB
            • SHA256 8f26e2e55df2faffda3988d915e7fde769e011eae854d981dccfece3efbca1bc
            • MD5 SHA1 SHA512 SSDEEP TLSH

            uninstall.exe

            • Path C:\Program Files\PawnIO\uninstall.exe
            • Size 3.3MB
            • SHA256 1f519a22e47187f70a1379a48ca604981c4fcf694f4e65b734aaa74a9fba3032
            • MD5 SHA1 SHA512 SSDEEP TLSH

            145uxmf1.dll

            • Path C:\Users\Admin\AppData\Local\Temp\145uxmf1\145uxmf1.dll
            • Size 3KB
            • SHA256 6a4b682920c3177988991ef3c4b517430aaea50375ad4e655cc0a9466e195638
            • MD5 SHA1 SHA512 TLSH

            1w33kexf.dll

            • Path C:\Users\Admin\AppData\Local\Temp\1w33kexf\1w33kexf.dll
            • Size 3KB
            • SHA256 1b3f75638397f5df385d6af6cf55ad92ed7a9b9ebca4964b0ee9ad4e3206e5ac
            • MD5 SHA1 SHA512 TLSH

            RES42CC.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\RES42CC.tmp
            • Size 1KB
            • SHA256 5f174593065635da7a376b9db2c666120216b12409499ae19d0ab0bab26814b8
            • MD5 SHA1 SHA512 TLSH

            RES47DD.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\RES47DD.tmp
            • Size 1KB
            • SHA256 b6aa975ac6af4e2089322e7a29ccbfbaebb2fbbc7947f4bd0d820f6ff32ac9ed
            • MD5 SHA1 SHA512 TLSH

            pawnio.inf_amd64_a72a2f969b8b7496.ini

            • Path C:\Windows\System32\DriverStore\FileRepository\pawnio.inf_amd64_a72a2f969b8b7496.ini
            • Size 413B
            • SHA256 48d98061a8c7975b2af6bf287ca7a5699b7cdd79ef0ce2297113fe5143f540c9
            • MD5 SHA1 SHA512 TLSH

            PawnIO.inf

            • Path C:\Windows\Temp\PawnIO_9D82F6AF.tmp\PawnIO.inf
            • Size 1KB
            • SHA256 7c1c203e13693531243fbee3cb87d7b79170eae89f5729b3f41387fe68a54f0b
            • MD5 SHA1 SHA512 TLSH

            PawnIO.sys

            • Path C:\Windows\Temp\PawnIO_9D82F6AF.tmp\PawnIO.sys
            • Size 133KB
            • SHA256 fca6e7d58b0cf38dbb913a2b9e532f48629145d395f454b16a9f58e97b8d3940
            • MD5 SHA1 SHA512 SSDEEP TLSH

            pawnio.cat

            • Path C:\Windows\Temp\PawnIO_9D82F6AF.tmp\pawnio.cat
            • Size 11KB
            • SHA256 a37d46840280efec92063d3a21014c803939e599b4c0da4a4d063b79eeca9446
            • MD5 SHA1 SHA512 SSDEEP TLSH

            145uxmf1.0.cs

            • Path \??\c:\Users\Admin\AppData\Local\Temp\145uxmf1\145uxmf1.0.cs
            • Size 815B
            • SHA256 eb1e65482ef21c9139b140f62f77b65689a3b606831d35b3db88848023ae3ed4
            • MD5 SHA1 SHA512 TLSH

            145uxmf1.cmdline

            • Path \??\c:\Users\Admin\AppData\Local\Temp\145uxmf1\145uxmf1.cmdline
            • Size 482B
            • SHA256 3b89d88f43497f6f51277510cf8fb17d3a504d623c47e0c52209deab93c91645
            • MD5 SHA1 SHA512 TLSH

            CSC404194878B984EB89761F3652104489.TMP

            • Path \??\c:\Users\Admin\AppData\Local\Temp\145uxmf1\CSC404194878B984EB89761F3652104489.TMP
            • Size 652B
            • SHA256 dfe118fc8a1dfe9192ee45fc27e9c94ccf27751260f61dbfd1bc7f2820816fa9
            • MD5 SHA1 SHA512 TLSH

            1w33kexf.0.cs

            • Path \??\c:\Users\Admin\AppData\Local\Temp\1w33kexf\1w33kexf.0.cs
            • Size 211B
            • SHA256 6b5684e5faae6ed7e7d7aac53b635d8ea3c08837b9cb1bf966f3e3588a995c54
            • MD5 SHA1 SHA512 TLSH

            1w33kexf.cmdline

            • Path \??\c:\Users\Admin\AppData\Local\Temp\1w33kexf\1w33kexf.cmdline
            • Size 369B
            • SHA256 de0fb42e23f6713b5964f430cc0dafad95644850d41d77d8580756460aa55e5d
            • MD5 SHA1 SHA512 TLSH

            CSCFA0081CEBBB3448EB925F7E54A6DFE50.TMP

            • Path \??\c:\Users\Admin\AppData\Local\Temp\1w33kexf\CSCFA0081CEBBB3448EB925F7E54A6DFE50.TMP
            • Size 652B
            • SHA256 b6a948bf0d466ccad3ab21a47c44bb79d788f376ac70a0432c0ed63c23ed89c2
            • MD5 SHA1 SHA512 TLSH

            memory/1192-94-0x000001E56DE00000-0x000001E56DE49000-memory.dmp

            memory/1996-9-0x00007FFE60070000-0x00007FFE60A14000-memory.dmp

            memory/1996-6-0x00007FFE60070000-0x00007FFE60A14000-memory.dmp

            memory/1996-29-0x00000292A8980000-0x00000292A89BE000-memory.dmp

            memory/1996-0-0x00007FFE601FF000-0x00007FFE60200000-memory.dmp

            memory/1996-43-0x00000292A8940000-0x00000292A8948000-memory.dmp

            memory/1996-17-0x00007FFE60070000-0x00007FFE60A14000-memory.dmp

            memory/1996-15-0x00007FFE60070000-0x00007FFE60A14000-memory.dmp

            memory/1996-14-0x00007FFE60070000-0x00007FFE60A14000-memory.dmp

            memory/1996-11-0x00007FFE60070000-0x00007FFE60A14000-memory.dmp

            memory/1996-10-0x00007FFE60070000-0x00007FFE60A14000-memory.dmp

            memory/1996-4-0x00007FFE60070000-0x00007FFE60A14000-memory.dmp

            memory/1996-8-0x00007FFE60070000-0x00007FFE60A14000-memory.dmp

            memory/1996-30-0x00000292A48C0000-0x00000292A48CE000-memory.dmp

            memory/1996-27-0x000002928C100000-0x000002928C108000-memory.dmp

            memory/1996-7-0x00007FFE60070000-0x00007FFE60A14000-memory.dmp

            memory/1996-118-0x00007FFE60070000-0x00007FFE60A14000-memory.dmp

            memory/1996-117-0x00007FFE60070000-0x00007FFE60A14000-memory.dmp

            memory/1996-116-0x00007FFE60070000-0x00007FFE60A14000-memory.dmp

            memory/1996-115-0x00007FFE60070000-0x00007FFE60A14000-memory.dmp

            memory/1996-114-0x00000292A7BB0000-0x00000292A7BB8000-memory.dmp

            memory/1996-112-0x00000292A9550000-0x00000292A9A78000-memory.dmp

            memory/1996-28-0x00007FFE60070000-0x00007FFE60A14000-memory.dmp

            memory/1996-111-0x00000292A8E50000-0x00000292A9012000-memory.dmp

            memory/1996-5-0x00007FFE60070000-0x00007FFE60A14000-memory.dmp

            memory/1996-3-0x000002928C2C0000-0x000002928C2E2000-memory.dmp

            memory/3508-95-0x000001F0949B0000-0x000001F0949B1000-memory.dmp

            memory/3508-103-0x000001F0949B0000-0x000001F0949B1000-memory.dmp

            memory/3508-104-0x000001F0949B0000-0x000001F0949B1000-memory.dmp

            memory/3508-105-0x000001F0949B0000-0x000001F0949B1000-memory.dmp

            memory/3508-106-0x000001F0949B0000-0x000001F0949B1000-memory.dmp

            memory/3508-101-0x000001F0949B0000-0x000001F0949B1000-memory.dmp

            memory/3508-102-0x000001F0949B0000-0x000001F0949B1000-memory.dmp

            memory/3508-97-0x000001F0949B0000-0x000001F0949B1000-memory.dmp