Overview

overview

9

Static

static

3

dpiOptimizer.exe

windows10-2004-x64

dpiOptimizer.exe

windows11-ltsc_2024-x64

7

Resubmissions

03/08/2026, 04:37

260803-e8y4hsydke9

03/08/2026, 04:26

260803-e2qhssca379

Analysis

  • user interaction
    yes
  • max time kernel
    150s
  • max time network
    114s
  • 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, 04:26

Sharing

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General

  • Target
    dpiOptimizer.exe
  • Size 34.6MB
  • Sample260803-e2qhssca37
  • SHA256 3ac798246951d6331bf6f0a9ff265fe835421e09269d7eb49015c551d02db0c6
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
execution

Malware Config

Signatures

  • Loads dropped DLL 22 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

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

  • Drops file in System32 directory 46 IoCs
  • Drops file in Windows directory 39 IoCs
  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

    execution
  • Checks SCSI registry key(s) 3 TTPs 36 IoCs

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

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 39 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dpiOptimizer.exe
    "C:\Users\Admin\AppData\Local\Temp\dpiOptimizer.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4876
    • C:\Users\Admin\AppData\Local\Temp\dpiOptimizer.exe
      "C:\Users\Admin\AppData\Local\Temp\dpiOptimizer.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of WriteProcessMemory
      PID:1392
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "cleanmgr /sagerun:66"
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:5848
        • C:\Windows\system32\cleanmgr.exe
          cleanmgr /sagerun:66
          4⤵
          • Enumerates connected drives
          • Drops file in System32 directory
          • Drops file in Windows directory
          • Checks SCSI registry key(s)
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:5520
          • C:\Windows\System32\Dism\dismhost.exe
            C:\Windows\System32\Dism\dismhost.exe {94DB03BA-A679-4CB7-B527-F8C55F224922}
            5⤵
            • Drops file in Windows directory
            PID:4192

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        MSVCP140.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI48762\PyQt6\Qt6\bin\MSVCP140.dll
        • Size 544KB
        • SHA256 0f885b509a685d2bbfa652fed26b5fb31d88fbdab0a978c641d1c7b8aa460aa9
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        MSVCP140_1.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI48762\PyQt6\Qt6\bin\MSVCP140_1.dll
        • Size 35KB
        • SHA256 bfad5aef4c63a669e3c140655cdfdf395b6c979b400a447bd5dcb65ed8826c3d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        MSVCP140_2.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI48762\PyQt6\Qt6\bin\MSVCP140_2.dll
        • Size 273KB
        • SHA256 3ea06f0ee098b4823cb79599df3780e7f23cce52c19aac31d2a0d47efe33a5e9
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        Qt6Core.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI48762\PyQt6\Qt6\bin\Qt6Core.dll
        • Size 10.0MB
        • SHA256 fae4778a42e93adc82b831c879c886a05147e9cc26760808d21116be5547259b
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        Qt6Gui.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI48762\PyQt6\Qt6\bin\Qt6Gui.dll
        • Size 9.1MB
        • SHA256 8fceee959a670372aaa5763287c2ef7924cd9ecdbe2c29cf4b6c12a63079c503
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        Qt6Widgets.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI48762\PyQt6\Qt6\bin\Qt6Widgets.dll
        • Size 6.3MB
        • SHA256 4d603bff620ae0830d15c25a787f9f10ed3f972d998f1f17c9c4f83937280399
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        VCRUNTIME140_1.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI48762\PyQt6\Qt6\bin\VCRUNTIME140_1.dll
        • Size 48KB
        • SHA256 1f2d41c4aa5db0bc33ebf7b66d72943a817d7ce6cbe880502a9403823633093f
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        qminimal.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI48762\PyQt6\Qt6\plugins\platforms\qminimal.dll
        • Size 60KB
        • SHA256 c4f03a873f96edd8ab9c3016883f1705669743ba48d1ecbc5132704db48319c7
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        qoffscreen.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI48762\PyQt6\Qt6\plugins\platforms\qoffscreen.dll
        • Size 111KB
        • SHA256 7a3f14ab1f373e96e706db6f3f2d88a4eb7132f3d03e139fdc84a303ca974e22
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        qwindows.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI48762\PyQt6\Qt6\plugins\platforms\qwindows.dll
        • Size 983KB
        • SHA256 dd126e2a47f7f3d4a855981e9d4012076058b1440f6900b9a07aa950e4e4f20a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        qmodernwindowsstyle.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI48762\PyQt6\Qt6\plugins\styles\qmodernwindowsstyle.dll
        • Size 225KB
        • SHA256 093e3ac68dfdac52a2667a2f7ba00b336392f9d6bde08430494ef54dbd120541
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        QtCore.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI48762\PyQt6\QtCore.pyd
        • Size 2.5MB
        • SHA256 91dd5166110b88a4f4d3acda6fe6c10ed699882dd3602328a59e9f656cc766b1
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        QtGui.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI48762\PyQt6\QtGui.pyd
        • Size 2.2MB
        • SHA256 cf5ae37fd119fb29a53f1f2cea1362fdf036d940191be45d83da0f98ce8752b8
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        QtWidgets.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI48762\PyQt6\QtWidgets.pyd
        • Size 4.8MB
        • SHA256 4f81361816e94e1ae05f178085b22d5b9b19e417713b1966dd481a4017aa3b21
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        sip.cp313-win_amd64.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI48762\PyQt6\sip.cp313-win_amd64.pyd
        • Size 108KB
        • SHA256 0bd49319478525c63082c324e92ade3c9f3e83fdd458f2d610988e3b75109ccf
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        VCRUNTIME140.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI48762\VCRUNTIME140.dll
        • Size 117KB
        • SHA256 052ad6a20d375957e82aa6a3c441ea548d89be0981516ca7eb306e063d5027f4
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _bz2.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI48762\_bz2.pyd
        • Size 83KB
        • SHA256 965f199679afa9b31d537d98c3ca8403afd6b9e58e1a463ae47697ae4bf12771
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _ctypes.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI48762\_ctypes.pyd
        • Size 129KB
        • SHA256 697d05cac7c167c00ccf22ea4fdbc7a8db93ab9c6421061191558e42478068c5
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _lzma.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI48762\_lzma.pyd
        • Size 156KB
        • SHA256 b78f5a8476139ff04731046459efd047bb8f52dc92c5b2082eabf2929c0ca02d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        base_library.zip
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI48762\base_library.zip
        • Size 1.3MB
        • SHA256 ff9b2b0e3442ceb9a303ad7424460fe856757007558f1d3bd6e68e0356caa7f1
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        libffi-8.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI48762\libffi-8.dll
        • Size 38KB
        • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        python3.DLL
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI48762\python3.DLL
        • Size 70KB
        • SHA256 85d02d4c7e28c0f183415dc2be5fe8e06aa7fa0567673c75c65c0031f59e1e8b
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        python313.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI48762\python313.dll
        • Size 5.8MB
        • SHA256 0565965617d94274d7f2c2958d0bef33392cd9d2f346f99d8e1bedbdf264ee85
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        dism.log
        • Path C:\Windows\Logs\DISM\dism.log
        • Size 286KB
        • SHA256 579e40b3c53470bc43c62f2817d2200c54b6c0f12219dfc7bf2faf951aefcc8e
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        dism.log
        • Path C:\Windows\Logs\DISM\dism.log
        • Size 292KB
        • SHA256 685a6f6b7f2a981d8121d090d89befa9513a3e1d742703d36949d0c42444db93
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        diagerr.xml
        • Path C:\Windows\System32\LogFiles\setupcln\diagerr.xml
        • Size 7KB
        • SHA256 81dd5e7728465de95c88a15ff70037cb2456b6fd171305b658e253950af44425
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        diagwrn.xml
        • Path C:\Windows\System32\LogFiles\setupcln\diagwrn.xml
        • Size 9KB
        • SHA256 a378a154cfbf27b8471462c657f28a11fee70fd33593ac09ee216c642b26b3aa
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        setupact.log
        • Path C:\Windows\System32\LogFiles\setupcln\setupact.log
        • Size 20KB
        • SHA256 95f4751e28fa7582319667cacec3a451250dc4bcee86e2154e695dee24918044
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        setuperr.log
        • Path C:\Windows\System32\LogFiles\setupcln\setuperr.log
        • Size 223B
        • SHA256 ba8fc306f8bdd0e11945717bfce473fce164601fded4d6c6bc9636b606f15641
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        memory/1392-189-0x00000229A4160000-0x00000229A4170000-memory.dmp
        Download

        memory/1392-185-0x00007FFBAAE90000-0x00007FFBAB0C9000-memory.dmp
        Download

        memory/1392-178-0x00007FFBABA10000-0x00007FFBAC05D000-memory.dmp
        Download

        memory/1392-167-0x00007FFBACF50000-0x00007FFBAD1DF000-memory.dmp
        Download

        memory/1392-182-0x00007FFBAC060000-0x00007FFBAC53B000-memory.dmp
        Download