Analysis

  • user interaction
    yes
  • max time kernel
    38s
  • max time network
    37s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/07/2026, 11:40

General

  • Target
    BNyaYC8QcT.exe
  • Size 4.4MB
  • Sample260710-ntaxtaaw7r
  • SHA256 47e1e821dd5fd1b5ec49c952cec04a7a416f1c1fb77fa26d3c123f090afaf08a
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Drops file in System32 directory 17 IoCs
  • Drops file in Windows directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Checks SCSI registry key(s) 3 TTPs 48 IoCs

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

  • Modifies data under HKEY_USERS 41 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\BNyaYC8QcT.exe
    "C:\Users\Admin\AppData\Local\Temp\BNyaYC8QcT.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2868
    • C:\Users\Admin\AppData\Local\Temp\BNyaYC8QcT.exe
      "C:\Users\Admin\AppData\Local\Temp\BNyaYC8QcT.exe" --ensure-updater-service --source-updater "C:\Users\Admin\AppData\Local\Temp\updater-2868-240754343.exe" --result-file "C:\Users\Admin\AppData\Local\Temp\svcsetup-2868.tmp" --component-version "1.1.4"
      2⤵
        PID:4532
    • C:\ProgramData\pvupdater\updater.exe
      "C:\ProgramData\pvupdater\updater.exe"
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Windows directory
      • Checks SCSI registry key(s)
      • Suspicious use of AdjustPrivilegeToken
      PID:5912
    • C:\Windows\system32\DrvInst.exe
      DrvInst.exe "4" "9" "C:\Windows\Temp\7b00815215490b04b8da6e9603ff781bd57df655d4dfc69d55d6fb766c476bd0\wintun.inf" "9" "403264467" "00000000000000E0" "Service-0x0-3e7$\Default" "0000000000000178" "208" "C:\Windows\Temp\7b00815215490b04b8da6e9603ff781bd57df655d4dfc69d55d6fb766c476bd0"
      1⤵
      • Drops file in System32 directory
      • Drops file in Windows directory
      • Checks SCSI registry key(s)
      • Modifies data under HKEY_USERS
      PID:4636
    • C:\Windows\system32\DrvInst.exe
      DrvInst.exe "1" "0" "SWD\Wintun\{6864B697-3AD7-4C89-BF7A-C494FC63A76A}" "" "" "4d69f6b7f" "0000000000000000" "bc1d"
      1⤵
      • Drops file in Drivers directory
      • Drops file in System32 directory
      • Drops file in Windows directory
      • Checks SCSI registry key(s)
      • Suspicious use of AdjustPrivilegeToken
      PID:3336

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          wintun.dll

          • Path C:\ProgramData\pvupdater\wintun.dll
          • Size 417KB
          • SHA256 e5da8447dc2c320edc0fc52fa01885c103de8c118481f683643cacc3220dafce
          • MD5 SHA1 SHA512 SSDEEP TLSH

          svcsetup-2868.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\svcsetup-2868.tmp
          • Size 2B
          • SHA256 565339bc4d33d72817b583024112eb7f5cdf3e5eef0252d6ec1b9c9a94e12bb3
          • MD5 SHA1 SHA512

          updater-2868-240754343.exe

          • Path C:\Users\Admin\AppData\Local\Temp\updater-2868-240754343.exe
          • Size 5.8MB
          • SHA256 ea8f23189dcfce8966f7b90b51dc906d1654ca5dba65358cc0622a95bbc2f196
          • MD5 SHA1 SHA512 SSDEEP TLSH

          wintun.inf_amd64_8ed20477a29aa8f7.ini

          • Path C:\Windows\System32\DriverStore\FileRepository\wintun.inf_amd64_8ed20477a29aa8f7.ini
          • Size 415B
          • SHA256 aee0114bea51452e5f8e0a641e835a989540f333179c44578c99cd9fa830c2c0
          • MD5 SHA1 SHA512 TLSH

          wintun.cat

          • Path C:\Windows\Temp\7B0081~1\wintun.cat
          • Size 9KB
          • SHA256 8341392ff3ee5895c56ec900d56b1e7ebdfef4a1fafdd9265870b1e6e37c7946
          • MD5 SHA1 SHA512 SSDEEP TLSH

          wintun.sys

          • Path C:\Windows\Temp\7B0081~1\wintun.sys
          • Size 28KB
          • SHA256 1a7bb3555c5419befb1a5f54267dcae9a7af16749ddf4eef9b431fcf0b863110
          • MD5 SHA1 SHA512 SSDEEP TLSH

          wintun.inf

          • Path C:\Windows\Temp\7b00815215490b04b8da6e9603ff781bd57df655d4dfc69d55d6fb766c476bd0\wintun.inf
          • Size 1KB
          • SHA256 0181e3af3e45efd36fa74de8245103c2c93ffc01e896dd4235f55d89e26d64b3
          • MD5 SHA1 SHA512 TLSH