Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/10/2026, 18:16

General

  • Target
    Fileshared.msi
  • Size 9.4MB
  • Sample261002-wwxtcsvbmb
  • SHA256 e2a34605b9b59bac25a77ee77d0ae62dea9b441a0b2018af8dea570bc40af23f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 32 IoCs
  • Badlisted process makes network request 1 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Enumerates connected drives 3 TTPs 47 IoCs

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

  • Drops file in Program Files directory 36 IoCs
  • Drops file in Windows directory 17 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

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

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

  • Modifies data under HKEY_USERS 12 IoCs
  • Modifies registry class 23 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • Uses Volume Shadow Copy service COM API

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

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\Fileshared.msi
    1⤵
    • Badlisted process makes network request
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:2976
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1624
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:5568
      • C:\Windows\System32\MsiExec.exe
        C:\Windows\System32\MsiExec.exe -Embedding 87707A555C44171AD52D5007EDC5DE3B
        2⤵
        • Loads dropped DLL
        • Suspicious use of SetWindowsHookEx
        PID:2636
      • C:\Windows\System32\MsiExec.exe
        C:\Windows\System32\MsiExec.exe -Embedding B6598FE7375A4359BC6E211D07B7FE25 E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:6036
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious use of AdjustPrivilegeToken
      PID:3336
    • C:\Program Files\OpsBridge\OpsBridgeAgent.exe
      "C:\Program Files\OpsBridge\OpsBridgeAgent.exe" --service
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Reads the TCP/IP host and domain name from the registry
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      PID:5924

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e59eaa5.rbs

          • Path C:\Config.Msi\e59eaa5.rbs
          • Size 426KB
          • SHA256 58b58a24d2f75069579e174f6c1595c4197f50110403022e8006a1e8a96ea46f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _ctypes.pyd

          • Path C:\PROGRA~1\OPSBRI~1\_ctypes.pyd
          • Size 130KB
          • SHA256 5c0d5082fba1a2a3eb8d5e23073be25164c19f21304b09cecaab340dc7198815
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _hashlib.pyd

          • Path C:\PROGRA~1\OPSBRI~1\_hashlib.pyd
          • Size 63KB
          • SHA256 52f29aebe9886e830dedc363cd64eb53b6830d84b26e14f1b6faa655a0900b5d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _lzma.pyd

          • Path C:\PROGRA~1\OPSBRI~1\_lzma.pyd
          • Size 155KB
          • SHA256 48f16b587c6faa44a9e073365b19599200b0f0a0ccb70121e76c2dac4ed53281
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _socket.pyd

          • Path C:\PROGRA~1\OPSBRI~1\_socket.pyd
          • Size 83KB
          • SHA256 bced17d6f081d81ea7cd92f1e071e38f8840e61ee0fe1524221b776bcfa78650
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _ssl.pyd

          • Path C:\PROGRA~1\OPSBRI~1\_ssl.pyd
          • Size 177KB
          • SHA256 3301ff340d26495c95108199b67fdf3402742d13070af8b6bf4eb2e0c5e13781
          • MD5 SHA1 SHA512 SSDEEP TLSH

          md__mypyc.pyd

          • Path C:\PROGRA~1\OPSBRI~1\charset_normalizer\md__mypyc.pyd
          • Size 133KB
          • SHA256 9766b5875c44e9cf8c2b60ff86445d27625396a8f6a940ebed99f6ed83a4d327
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libcrypto-3.dll

          • Path C:\PROGRA~1\OPSBRI~1\libcrypto-3.dll
          • Size 5.0MB
          • SHA256 ccfffddcd3defb8d899026298af9af43bc186130f8483d77e97c93233d5f27d7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libssl-3.dll

          • Path C:\PROGRA~1\OPSBRI~1\libssl-3.dll
          • Size 776KB
          • SHA256 007142039f04d04e0ed607bda53de095e5bc6a8a10d26ecedde94ea7d2d7eefe
          • MD5 SHA1 SHA512 SSDEEP TLSH

          select.pyd

          • Path C:\PROGRA~1\OPSBRI~1\select.pyd
          • Size 31KB
          • SHA256 6393121130a3e85d0f6562948024d8614c4c144b84ab102af711c638344d1599
          • MD5 SHA1 SHA512 SSDEEP TLSH

          OpsBridgeAgent.exe

          • Path C:\Program Files\OpsBridge\OpsBridgeAgent.exe
          • Size 15.4MB
          • SHA256 fb41c882a4eb7b430712f76d68c24705a3b717f8e2bbeeadb396c4c9e9e6de65
          • MD5 SHA1 SHA512 SSDEEP TLSH

          VCRUNTIME140.dll

          • Path C:\Program Files\OpsBridge\VCRUNTIME140.dll
          • Size 117KB
          • SHA256 052ad6a20d375957e82aa6a3c441ea548d89be0981516ca7eb306e063d5027f4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _bz2.pyd

          • Path C:\Program Files\OpsBridge\_bz2.pyd
          • Size 83KB
          • SHA256 449058efc99fccb9e24d640084d845c78f3f86dd34c5c126cf69e523d6320d75
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _queue.pyd

          • Path C:\Program Files\OpsBridge\_queue.pyd
          • Size 34KB
          • SHA256 af8ac8ab8b39f53b5dc192fbf58ad704a709db34e69753b97b83d087202e3a36
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _win32sysloader.pyd

          • Path C:\Program Files\OpsBridge\_win32sysloader.pyd
          • Size 25KB
          • SHA256 d85da81d8620334656d9dbb7638f35ab0b93f2a2d21a2a4830a7d947ddb32fef
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _wmi.pyd

          • Path C:\Program Files\OpsBridge\_wmi.pyd
          • Size 38KB
          • SHA256 ebd252d21af9c84128fca04c994093a5bd6ee857f1581f06f4026fdd6a2c40e0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          md.pyd

          • Path C:\Program Files\OpsBridge\charset_normalizer\md.pyd
          • Size 20KB
          • SHA256 b3be8a8abd07fd1d0b1ba27ee42d2c705851cc2f4ab31512541a50b5a9a9ecd1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libffi-8.dll

          • Path C:\Program Files\OpsBridge\libffi-8.dll
          • Size 38KB
          • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _psutil_windows.pyd

          • Path C:\Program Files\OpsBridge\psutil\_psutil_windows.pyd
          • Size 78KB
          • SHA256 2203f592a85b78d4645f49851682f75572b6180e80b898dbc578c49f6f87601e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          python3.dll

          • Path C:\Program Files\OpsBridge\psutil\python3.dll
          • Size 69KB
          • SHA256 fdd54b6c495e9278e73d68203fff0c300e416e704852908cf5b06666cffead51
          • MD5 SHA1 SHA512 SSDEEP TLSH

          python313.dll

          • Path C:\Program Files\OpsBridge\python313.dll
          • Size 5.8MB
          • SHA256 69fd86ea29370697c203f7e12830084f920f490766a8e3045af52c036a9ad529
          • MD5 SHA1 SHA512 SSDEEP TLSH

          pywintypes313.dll

          • Path C:\Program Files\OpsBridge\pywintypes313.dll
          • Size 142KB
          • SHA256 aef8ffb1cd0e922fa1cb67575a05003e21a72ac1b731f192ac5dcef104ab5926
          • MD5 SHA1 SHA512 SSDEEP TLSH

          servicemanager.pyd

          • Path C:\Program Files\OpsBridge\servicemanager.pyd
          • Size 51KB
          • SHA256 8751317c52c107afc51ff697799fd9e059c407fe09b0964f7f4f2360346a2fd2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          unicodedata.pyd

          • Path C:\Program Files\OpsBridge\unicodedata.pyd
          • Size 695KB
          • SHA256 071494856fdad0042964769aa2fb1de4ea95c2cfcbe27cc7132293c68d13d710
          • MD5 SHA1 SHA512 SSDEEP TLSH

          vcruntime140_1.dll

          • Path C:\Program Files\OpsBridge\vcruntime140_1.dll
          • Size 48KB
          • SHA256 6a99bc0128e0c7d6cbbf615fcc26909565e17d4ca3451b97f8987f9c6acbc6c8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          win32api.pyd

          • Path C:\Program Files\OpsBridge\win32api.pyd
          • Size 145KB
          • SHA256 ec063aa87931a7b0652bc4296f6ac84619326b8cbee839ddadf0ebc9bc01632e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          win32event.pyd

          • Path C:\Program Files\OpsBridge\win32event.pyd
          • Size 39KB
          • SHA256 f7676632259833374739dfbea0a96f85d3ddc94f44e52a94a2bc3339d2626ab0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          win32service.pyd

          • Path C:\Program Files\OpsBridge\win32service.pyd
          • Size 68KB
          • SHA256 2444a2a5a1807d971f5a55394f5a21ac3aeb200c07744b67d1a5f0e70b67eff2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSIF16C.tmp

          • Path C:\Windows\Installer\MSIF16C.tmp
          • Size 412KB
          • SHA256 ddfcd04f2ef5a87b8732f552460f7491576607d7c674e1783021c09c42279371
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e59eaa6.msi

          • Path C:\Windows\Installer\e59eaa6.msi
          • Size 9.4MB
          • SHA256 e2a34605b9b59bac25a77ee77d0ae62dea9b441a0b2018af8dea570bc40af23f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {b76704bb-9e90-4a93-bf45-778a4cb90e7b}_OnDiskSnapshotProp

          • Path \??\Volume{e3f46304-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{b76704bb-9e90-4a93-bf45-778a4cb90e7b}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 a1cbeadadbdefbd62cafa306aac76623b292b01d342e74a61c9d82d09b126d9f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1624-59-0x00000172653E0000-0x0000017265D84000-memory.dmp