Overview

overview

6

Static

static

3

PawnIOSetup.exe

windows10-2004-x64

1

PawnIOSetup.exe

windows11-ltsc_2024-x64

1

README.pdf

windows10-2004-x64

3

README.pdf

windows11-ltsc_2024-x64

3

gnwinfo.exe

windows10-2004-x64

6

gnwinfo.exe

windows11-ltsc_2024-x64

6

gnwinfox86.exe

windows10-2004-x64

6

gnwinfox86.exe

windows11-ltsc_2024-x64

6

hw_report.ps1

windows10-2004-x64

6

hw_report.ps1

windows11-ltsc_2024-x64

6

libcdi.dll

windows10-2004-x64

1

libcdi.dll

windows11-ltsc_2024-x64

1

libcdix86.dll

windows10-2004-x64

3

libcdix86.dll

windows11-ltsc_2024-x64

3

nwinfo.exe

windows10-2004-x64

5

nwinfo.exe

windows11-ltsc_2024-x64

5

nwinfox86.exe

windows10-2004-x64

3

nwinfox86.exe

windows11-ltsc_2024-x64

3

Analysis

  • max time kernel
    150s
  • max time network
    120s
  • 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

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General

  • Target
    gnwinfo.exe
  • Size 1.2MB
  • Sample260803-vrf5datfna
  • SHA256 0a4a3755a4b6f8eec5f7b90bcc7b45cedca1d83e964e009766451f7acb8c1225
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10
bootkitdefense_evasionpersistencetrojan

Malware Config

Signatures

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    defense_evasiontrojan
  • 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.

    bootkitpersistence
  • Drops file in System32 directory 17 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 5 IoCs
  • Checks SCSI registry key(s) 3 TTPs 38 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 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\gnwinfo.exe
    "C:\Users\Admin\AppData\Local\Temp\gnwinfo.exe"
    1⤵
    • Checks whether UAC is enabled
    • 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 FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3124
    • C:\Users\Admin\AppData\Local\Temp\PawnIOSetup.exe
      PawnIOSetup.exe -install -silent
      2⤵
      • 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:5024
  • C:\Windows\system32\DrvInst.exe
    DrvInst.exe "4" "0" "C:\Users\Admin\AppData\Local\Temp\{610a15c3-097b-8745-9f80-5e3a9ee5f4d7}\pawnio.inf" "9" "4c553107b" "00000000000000EC" "WinSta0\Default" "0000000000000184" "208" "c:\windows\temp\pawnio_bcf9d8ed.tmp"
    1⤵
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Checks SCSI registry key(s)
    • Modifies data under HKEY_USERS
    PID:2024
  • 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" "00000000000000EC" "ef73"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:2324

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        pawnio.inf_amd64_a72a2f969b8b7496.ini
        • Path C:\Windows\System32\DriverStore\FileRepository\pawnio.inf_amd64_a72a2f969b8b7496.ini
        • Size 413B
        • SHA256 db043e056ff08722f4ff4e145cea0b5ce9f77f5c9e56454af8ff278ba0d7e4aa
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        PawnIO.inf
        • Path C:\Windows\Temp\PawnIO_BCF9D8ED.tmp\PawnIO.inf
        • Size 1KB
        • SHA256 7c1c203e13693531243fbee3cb87d7b79170eae89f5729b3f41387fe68a54f0b
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        PawnIO.sys
        • Path C:\Windows\Temp\PawnIO_BCF9D8ED.tmp\PawnIO.sys
        • Size 133KB
        • SHA256 fca6e7d58b0cf38dbb913a2b9e532f48629145d395f454b16a9f58e97b8d3940
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        pawnio.cat
        • Path C:\Windows\Temp\PawnIO_BCF9D8ED.tmp\pawnio.cat
        • Size 11KB
        • SHA256 a37d46840280efec92063d3a21014c803939e599b4c0da4a4d063b79eeca9446
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/3124-52-0x000001C68AD00000-0x000001C68AD01000-memory.dmp
        Download

        memory/3124-50-0x000001C68AD00000-0x000001C68AD01000-memory.dmp
        Download

        memory/3124-61-0x000001C68AD00000-0x000001C68AD01000-memory.dmp
        Download

        memory/3124-60-0x000001C68AD00000-0x000001C68AD01000-memory.dmp
        Download

        memory/3124-59-0x000001C68AD00000-0x000001C68AD01000-memory.dmp
        Download

        memory/3124-58-0x000001C68AD00000-0x000001C68AD01000-memory.dmp
        Download

        memory/3124-57-0x000001C68AD00000-0x000001C68AD01000-memory.dmp
        Download

        memory/3124-56-0x000001C68AD00000-0x000001C68AD01000-memory.dmp
        Download