Analysis

  • max time kernel
    151s
  • max time network
    166s
  • 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, 22:33

General

  • Target
    blur-Windows-Installer-x64.exe
  • Size 171.9MB
  • Sample260728-2gnvssar9v
  • SHA256 fe9c30fefae035c4edb1ef22fea2792e0cf69cccdf952f864f5305a61f40892b
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 26 IoCs
  • Checks installed software on the system 1 TTPs

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

  • 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.

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

    Inno Setup 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.

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:1764
    • C:\Users\Admin\AppData\Local\Temp\is-H9TXI199EX.tmp\blur-Windows-Installer-x64.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-H9TXI199EX.tmp\blur-Windows-Installer-x64.tmp" /SL5="$40186,179018200,941056,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:3604
      • C:\Users\Admin\AppData\Local\Temp\is-Y00HOHWU63.tmp\VC_redist.x64.exe
        "C:\Users\Admin\AppData\Local\Temp\is-Y00HOHWU63.tmp\VC_redist.x64.exe" /install /passive /norestart
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1332
        • C:\Windows\Temp\{B97E0DF0-FB94-46BD-A42B-19B424966A5F}\.cr\VC_redist.x64.exe
          "C:\Windows\Temp\{B97E0DF0-FB94-46BD-A42B-19B424966A5F}\.cr\VC_redist.x64.exe" -burn.clean.room="C:\Users\Admin\AppData\Local\Temp\is-Y00HOHWU63.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:1208
          • C:\Windows\Temp\{4CC0776B-915E-4B50-B38A-660BFAC6FA75}\.be\VC_redist.x64.exe
            "C:\Windows\Temp\{4CC0776B-915E-4B50-B38A-660BFAC6FA75}\.be\VC_redist.x64.exe" -q -burn.elevated BurnPipe.{494BA106-FBD2-4AD1-B51F-8730EC2D9F3C} {453DC06D-596B-4E78-AEE2-224015AA945D} 1208
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:4588
      • 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:4480
        • 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:2392
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:3224
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:4504
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2016

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          blur-gui.exe

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

          utils.py

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

          get_rife_gpus.py

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

          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

          is-2NDHCJN276.tmp

          • Path C:\Program Files (x86)\blur\lib\vapoursynth\Lib\site-packages\pip-26.1.1.dist-info\licenses\src\pip\_vendor\packaging\is-2NDHCJN276.tmp
          • Size 9KB
          • SHA256 0d542e0c8804e39aa7f37eb00da5a762149dc682d7829451287e11b938e94594
          • MD5 SHA1 SHA512 SSDEEP TLSH

          is-Q93E4VJ91N.tmp

          • Path C:\Program Files (x86)\blur\lib\vapoursynth\Lib\site-packages\pip-26.1.1.dist-info\licenses\src\pip\_vendor\tomli\is-Q93E4VJ91N.tmp
          • Size 1KB
          • SHA256 b80816b0d530b8accb4c2211783790984a6e3b61922c2b5ee92f3372ab2742fe
          • MD5 SHA1 SHA512 TLSH

          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

          MSVCP140.dll

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

          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

          VCRUNTIME140.dll

          • Path C:\Program Files (x86)\blur\lib\vapoursynth\VCRUNTIME140.dll
          • Size 117KB
          • SHA256 02c6aa0e6e624411a9f19b0360a7865ab15908e26024510e5c38a9c08362c35a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          VCRUNTIME140_1.dll

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

          VSPipe.exe

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

          VSScript.dll

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

          _ctypes.pyd

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

          _decimal.pyd

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

          libffi-8.dll

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

          python3.DLL

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

          python312._pth

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

          python312.dll

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

          python312.zip

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

          AvsCompat.dll

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

          BestSource.dll

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

          LSMASHSource.dll

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

          adjust.dll

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

          akarin.dll

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

          libmvtools.dll

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

          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

          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

          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

          blur-Windows-Installer-x64.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\is-H9TXI199EX.tmp\blur-Windows-Installer-x64.tmp
          • Size 4.2MB
          • SHA256 c6bcf72114a88746d47872a16394295a1997066eb5cf798f03c4300eb3ebf0d5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          VC_redist.x64.exe

          • Path C:\Users\Admin\AppData\Local\Temp\is-Y00HOHWU63.tmp\VC_redist.x64.exe
          • Size 24.4MB
          • SHA256 cc0ff0eb1dc3f5188ae6300faef32bf5beeba4bdd6e8e445a9184072096b713b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          blur.cfg

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

          logo.png

          • Path C:\Windows\Temp\{4CC0776B-915E-4B50-B38A-660BFAC6FA75}\.ba\logo.png
          • Size 1KB
          • SHA256 335a256d4779ec5dcf283d007fb56fd8211bbcaf47dcd70fe60ded6a112744ef
          • MD5 SHA1 SHA512 TLSH

          wixstdba.dll

          • Path C:\Windows\Temp\{4CC0776B-915E-4B50-B38A-660BFAC6FA75}\.ba\wixstdba.dll
          • Size 215KB
          • SHA256 e921f69b9fb4b5ad4691809d06896c5f1d655ab75e0ce94a372319c243c56d4e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          VC_redist.x64.exe

          • Path C:\Windows\Temp\{B97E0DF0-FB94-46BD-A42B-19B424966A5F}\.cr\VC_redist.x64.exe
          • Size 670KB
          • SHA256 568c9ba533624084ea18f7a562b4aa2249ed4e41281524a061a0d0b1008cf6bd
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1764-8-0x0000000000620000-0x0000000000714000-memory.dmp

          memory/1764-2028-0x0000000000620000-0x0000000000714000-memory.dmp

          memory/1764-1-0x0000000000620000-0x0000000000714000-memory.dmp

          memory/2392-2054-0x00000211D5D70000-0x00000211D5D71000-memory.dmp

          memory/2392-2045-0x00007FFB8C670000-0x00007FFB8D04F000-memory.dmp

          memory/3604-9-0x00000000006F0000-0x0000000000B3F000-memory.dmp

          memory/3604-1962-0x00000000006F0000-0x0000000000B3F000-memory.dmp

          memory/3604-1987-0x00000000006F0000-0x0000000000B3F000-memory.dmp

          memory/3604-1016-0x00000000006F0000-0x0000000000B3F000-memory.dmp

          memory/3604-37-0x00000000006F0000-0x0000000000B3F000-memory.dmp

          memory/3604-12-0x00000000006F0000-0x0000000000B3F000-memory.dmp

          memory/3604-2026-0x00000000006F0000-0x0000000000B3F000-memory.dmp

          memory/3604-6-0x0000000003740000-0x0000000003741000-memory.dmp

          memory/3604-1984-0x00000000006F0000-0x0000000000B3F000-memory.dmp

          memory/3604-10-0x0000000003740000-0x0000000003741000-memory.dmp