Overview

overview

7

Static

static

3

blur-Windo...64.exe

windows10-2004-x64

blur-Windo...64.exe

windows11-ltsc_2024-x64

7

Analysis

  • max time kernel
    152s
  • max time network
    154s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    28/07/2026, 22:26

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General

  • Target
    blur-Windows-Installer-x64.exe
  • Size 171.9MB
  • Sample260728-2czrhaar31
  • SHA256 fe9c30fefae035c4edb1ef22fea2792e0cf69cccdf952f864f5305a61f40892b
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
discoveryinstallerransomware

Malware Config

Signatures

  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 24 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Inno Setup is an open-source installation builder for Windows applications. 3 IoCs

    Inno Setup installer

    installer
  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 11 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\blur-Windows-Installer-x64.exe
    "C:\Users\Admin\AppData\Local\Temp\blur-Windows-Installer-x64.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4656
    • C:\Users\Admin\AppData\Local\Temp\is-JRW9X6NASH.tmp\blur-Windows-Installer-x64.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-JRW9X6NASH.tmp\blur-Windows-Installer-x64.tmp" /SL5="$C0052,179018200,941056,C:\Users\Admin\AppData\Local\Temp\blur-Windows-Installer-x64.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:5376
      • C:\Users\Admin\AppData\Local\Temp\is-QEMLO2F30B.tmp\VC_redist.x64.exe
        "C:\Users\Admin\AppData\Local\Temp\is-QEMLO2F30B.tmp\VC_redist.x64.exe" /install /passive /norestart
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4288
        • C:\Windows\Temp\{0322EF3C-9EC1-4ADB-BA5B-7F1194555F27}\.cr\VC_redist.x64.exe
          "C:\Windows\Temp\{0322EF3C-9EC1-4ADB-BA5B-7F1194555F27}\.cr\VC_redist.x64.exe" -burn.clean.room="C:\Users\Admin\AppData\Local\Temp\is-QEMLO2F30B.tmp\VC_redist.x64.exe" -burn.filehandle.attached=748 -burn.filehandle.self=752 /install /passive /norestart
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:3888
          • C:\Windows\Temp\{137EF4D7-B543-45CF-84D8-F88D740E1722}\.be\VC_redist.x64.exe
            "C:\Windows\Temp\{137EF4D7-B543-45CF-84D8-F88D740E1722}\.be\VC_redist.x64.exe" -q -burn.elevated BurnPipe.{9A44ED8F-6CDD-435F-8DBF-F467A39D7746} {08B4A450-F74B-4507-863D-5B4053E790EB} 3888
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:5252
      • C:\Program Files (x86)\blur\blur-gui.exe
        "C:\Program Files (x86)\blur\blur-gui.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:2764
        • C:\Program Files (x86)\blur\lib\vapoursynth\vspipe.exe
          "C:\Program Files (x86)\blur\lib\vapoursynth\vspipe.exe" -c y4m "C:\Program Files (x86)\blur\lib/get_rife_gpus.py" -
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:4700
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:4248
  • C:\Windows\system32\srtasks.exe
    C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:708

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        blur-gui.exe
        • Path C:\Program Files (x86)\blur\blur-gui.exe
        • Size 7.3MB
        • SHA256 0b0178a40d121b6b562cdda4c6feffa231e9bfe980f88ce7bffebff04c263a14
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        utils.py
        • Path C:\Program Files (x86)\blur\lib\blur\utils.py
        • Size 2KB
        • SHA256 dbdc7305270061ddbd71533058a53b45d8a3fd452a512674ff9f9c2566660d9e
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        get_rife_gpus.py
        • Path C:\Program Files (x86)\blur\lib\get_rife_gpus.py
        • Size 520B
        • SHA256 9af1c67eb7a7f57bed97e0c4147cf7724269d7b4b59342867a6ee135d59f01c1
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        VapourSynth.dll
        • Path C:\Program Files (x86)\blur\lib\vapoursynth\Lib\site-packages\VapourSynth.dll
        • Size 2.1MB
        • SHA256 d295d2e3f60c3b97133ffba6c866f586301a0e2bf040db5d5d68032574284cc1
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        is-0BKWE6GEMM.tmp
        • Path C:\Program Files (x86)\blur\lib\vapoursynth\Lib\site-packages\pip-26.1.1.dist-info\licenses\src\pip\_vendor\packaging\is-0BKWE6GEMM.tmp
        • Size 9KB
        • SHA256 0d542e0c8804e39aa7f37eb00da5a762149dc682d7829451287e11b938e94594
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        is-A8LFE2K1Z6.tmp
        • Path C:\Program Files (x86)\blur\lib\vapoursynth\Lib\site-packages\pip-26.1.1.dist-info\licenses\src\pip\_vendor\tomli\is-A8LFE2K1Z6.tmp
        • Size 1KB
        • SHA256 b80816b0d530b8accb4c2211783790984a6e3b61922c2b5ee92f3372ab2742fe
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        vapoursynth.cp312-win_amd64.pyd
        • Path C:\Program Files (x86)\blur\lib\vapoursynth\Lib\site-packages\vapoursynth.cp312-win_amd64.pyd
        • Size 970KB
        • SHA256 e8f17c21d5e5e81969aad345aa04166e50ad8c2af81edeb77caf872a1ca75a13
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        MSVCP140.dll
        • Path C:\Program Files (x86)\blur\lib\vapoursynth\MSVCP140.dll
        • Size 561KB
        • SHA256 a4c2229bdc2a2a630acdc095b4d86008e5c3e3bc7773174354f3da4f5beb9cde
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        VCRUNTIME140_1.dll
        • Path C:\Program Files (x86)\blur\lib\vapoursynth\VCRUNTIME140_1.dll
        • Size 48KB
        • SHA256 7dd9aa02e271c68ca6d5f18d651d23a15d7259715af43326578f7dde27f37637
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        VSPipe.exe
        • Path C:\Program Files (x86)\blur\lib\vapoursynth\VSPipe.exe
        • Size 230KB
        • SHA256 4bb11bb44282e6162796ed3b1e42d5cff4f188bc9edc2ce190a64394df6b0a02
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        VSScript.dll
        • Path C:\Program Files (x86)\blur\lib\vapoursynth\VSScript.dll
        • Size 47KB
        • SHA256 b85fe9dea768666d26de421be4d572385ee714a91f676c2025130d42f32239c6
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _ctypes.pyd
        • Path C:\Program Files (x86)\blur\lib\vapoursynth\_ctypes.pyd
        • Size 124KB
        • SHA256 0e56107a891100535f2da79d85a5ae65ff1227b4765bd108f8593ac1a1110d81
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _decimal.pyd
        • Path C:\Program Files (x86)\blur\lib\vapoursynth\_decimal.pyd
        • Size 255KB
        • SHA256 aeacfead2befcc0768063a037bb64bd32109ae09cb144e5f571b04dd7965db9d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        libffi-8.dll
        • Path C:\Program Files (x86)\blur\lib\vapoursynth\libffi-8.dll
        • Size 38KB
        • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        msvcp140_atomic_wait.dll
        • Path C:\Program Files (x86)\blur\lib\vapoursynth\msvcp140_atomic_wait.dll
        • Size 49KB
        • SHA256 aede4ec454a82f146eb4a721e616e2086870107d88aabc6b0bd1eea0a505d935
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        python3.dll
        • Path C:\Program Files (x86)\blur\lib\vapoursynth\python3.dll
        • Size 68KB
        • SHA256 fb975a606e7fbf74f64260e3f60c3490b4f74a183c0926fd6ed1ac4c52ac7b1c
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        python312._pth
        • Path C:\Program Files (x86)\blur\lib\vapoursynth\python312._pth
        • Size 111B
        • SHA256 c7cf2a1c7cd4dffb0f24e2e0a58f605cc5e8c09cf1ac410012b56ca9018ca430
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        python312.dll
        • Path C:\Program Files (x86)\blur\lib\vapoursynth\python312.dll
        • Size 6.6MB
        • SHA256 9a0e3435aaa680d868150f87ab3e388ad2eebc22f87e036155c7b4eda8cd2120
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        python312.zip
        • Path C:\Program Files (x86)\blur\lib\vapoursynth\python312.zip
        • Size 3.7MB
        • SHA256 fb131c0ef7e35cc5250a74c8cd18744bf4115fb8163710711f3758d7df3d1f88
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        vcruntime140.dll
        • Path C:\Program Files (x86)\blur\lib\vapoursynth\vcruntime140.dll
        • Size 117KB
        • SHA256 02c6aa0e6e624411a9f19b0360a7865ab15908e26024510e5c38a9c08362c35a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        AvsCompat.dll
        • Path C:\Program Files (x86)\blur\lib\vapoursynth\vs-coreplugins\AvsCompat.dll
        • Size 149KB
        • SHA256 68ceb4480262d88de3f337a4a396c9eb6de51f28a8e76883d63e8518d275b274
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        BestSource.dll
        • Path C:\Program Files (x86)\blur\lib\vapoursynth\vs-plugins\BestSource.dll
        • Size 24.6MB
        • SHA256 d747a2c8fb7a1f534ab25daae432a5e44f04fed7d7aaea82487d5697d2596375
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        LSMASHSource.dll
        • Path C:\Program Files (x86)\blur\lib\vapoursynth\vs-plugins\LSMASHSource.dll
        • Size 19.1MB
        • SHA256 ca008700fb240eff2d5f1012f26a57c4188f4c4e0d893fc981c421a7a194de8b
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        adjust.dll
        • Path C:\Program Files (x86)\blur\lib\vapoursynth\vs-plugins\adjust.dll
        • Size 28KB
        • SHA256 e303847d434200672da3e5df15d8ad63b7b92d8f6c65ec799a2eb16cb564cca0
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        akarin.dll
        • Path C:\Program Files (x86)\blur\lib\vapoursynth\vs-plugins\akarin.dll
        • Size 21.1MB
        • SHA256 d86a2aa5a6a95447bdf084481b2b6734a3be4886a5a85e0d6295233bb9aa57dc
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        libmvtools.dll
        • Path C:\Program Files (x86)\blur\lib\vapoursynth\vs-plugins\libmvtools.dll
        • Size 12.1MB
        • SHA256 530a2f003901a7c0749b0b3797c2a2d2c9b12a2b87c4ca4e9d4ec7937260f091
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        svpflow1_vs64.dll
        • Path C:\Program Files (x86)\blur\lib\vapoursynth\vs-plugins\svpflow1_vs64.dll
        • Size 736KB
        • SHA256 0cb2f9c624f06ad835ffe017823a139f1b7eecf86435a5a3d02e320969b3d066
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        svpflow2_vs64.dll
        • Path C:\Program Files (x86)\blur\lib\vapoursynth\vs-plugins\svpflow2_vs64.dll
        • Size 950KB
        • SHA256 3861dfaac2cc71066b3f94919e6b837e444f92426aea22cd00c75fffef23623e
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        vapoursynth-rife-ncnn-vulkan.dll
        • Path C:\Program Files (x86)\blur\lib\vapoursynth\vs-plugins\vapoursynth-rife-ncnn-vulkan.dll
        • Size 5.0MB
        • SHA256 36a25b471be88e6f915320c818022dc8657dd9beac22a8c3158bd7f4260cc410
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        blur-Windows-Installer-x64.tmp
        • Path C:\Users\Admin\AppData\Local\Temp\is-JRW9X6NASH.tmp\blur-Windows-Installer-x64.tmp
        • Size 4.2MB
        • SHA256 c6bcf72114a88746d47872a16394295a1997066eb5cf798f03c4300eb3ebf0d5
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        VC_redist.x64.exe
        • Path C:\Users\Admin\AppData\Local\Temp\is-QEMLO2F30B.tmp\VC_redist.x64.exe
        • Size 24.4MB
        • SHA256 cc0ff0eb1dc3f5188ae6300faef32bf5beeba4bdd6e8e445a9184072096b713b
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        blur.cfg
        • Path C:\Users\Admin\AppData\Roaming\blur\blur.cfg
        • Size 369B
        • SHA256 bb0f569172869a0065d1d0ff9429fc035ec7efd538fc5f9901d3123c723ec6f3
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        VC_redist.x64.exe
        • Path C:\Windows\Temp\{0322EF3C-9EC1-4ADB-BA5B-7F1194555F27}\.cr\VC_redist.x64.exe
        • Size 670KB
        • SHA256 568c9ba533624084ea18f7a562b4aa2249ed4e41281524a061a0d0b1008cf6bd
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        logo.png
        • Path C:\Windows\Temp\{137EF4D7-B543-45CF-84D8-F88D740E1722}\.ba\logo.png
        • Size 1KB
        • SHA256 335a256d4779ec5dcf283d007fb56fd8211bbcaf47dcd70fe60ded6a112744ef
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        wixstdba.dll
        • Path C:\Windows\Temp\{137EF4D7-B543-45CF-84D8-F88D740E1722}\.ba\wixstdba.dll
        • Size 215KB
        • SHA256 e921f69b9fb4b5ad4691809d06896c5f1d655ab75e0ce94a372319c243c56d4e
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/4656-8-0x0000000000570000-0x0000000000664000-memory.dmp
        Download

        memory/4656-2011-0x0000000000570000-0x0000000000664000-memory.dmp
        Download

        memory/4656-0-0x0000000000570000-0x0000000000664000-memory.dmp
        Download

        memory/4700-2050-0x000001F30ADB0000-0x000001F30ADB1000-memory.dmp
        Download

        memory/5376-1887-0x0000000000150000-0x000000000059F000-memory.dmp
        Download

        memory/5376-1982-0x0000000000150000-0x000000000059F000-memory.dmp
        Download

        memory/5376-1984-0x0000000000150000-0x000000000059F000-memory.dmp
        Download

        memory/5376-37-0x0000000000150000-0x000000000059F000-memory.dmp
        Download

        memory/5376-1987-0x0000000000150000-0x000000000059F000-memory.dmp
        Download

        memory/5376-12-0x0000000000150000-0x000000000059F000-memory.dmp
        Download

        memory/5376-9-0x0000000000150000-0x000000000059F000-memory.dmp
        Download

        memory/5376-10-0x0000000001100000-0x0000000001101000-memory.dmp
        Download

        memory/5376-2005-0x0000000000150000-0x000000000059F000-memory.dmp
        Download

        memory/5376-6-0x0000000001100000-0x0000000001101000-memory.dmp
        Download