Analysis

  • user interaction
    yes
  • max time kernel
    57s
  • max time network
    59s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260911-uk
  • resource tags

    arch:x64arch:x86image:win11-20260911-uklocale:uk-uaos:windows11-21h2-x64systemwindows
  • submitted
    02/10/2026, 14:19

General

  • Target
    EZFN-Hybrid-Setup.msi
  • Size 8.8MB
  • Sample261002-rmyxvazcpf
  • SHA256 f6a7c04b628d55916dd781057051d702b96b9c76c31d44921fc70c2c24cbb94f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Modifies Windows Firewall 2 TTPs 4 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 48 IoCs

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

  • Network Share Discovery 1 TTPs

    Attempt to gather information on host network.

  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 14 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 12 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • 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.

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

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

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

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 3 IoCs
  • Modifies registry class 26 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: LoadsDriver 6 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of WriteProcessMemory 18 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\EZFN-Hybrid-Setup.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:568
    • C:\Program Files\EZFN Hybrid\hybrid.exe
      "C:\Program Files\EZFN Hybrid\hybrid.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      • Enumerates connected drives
      • Reads the TCP/IP host and domain name from the registry
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3160
      • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
        "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --embedded-browser-webview=1 --webview-exe-name=hybrid.exe --webview-exe-version=1.1.8 --user-data-dir="C:\Users\Admin\AppData\Local\com.ezfn.hybrid\EBWebView" --noerrdialogs --embedded-browser-webview-dpi-awareness=2 --autoplay-policy=no-user-gesture-required --disable-features=msWebOOUI,msPdfOOUI,msSmartScreenProtection --lang=uk-UA --mojo-named-platform-channel-pipe=3160.2380.4793163335600431275
        3⤵
        • Enumerates system info in registry
        • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
        • Suspicious use of WriteProcessMemory
        PID:4920
        • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
          "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=crashpad-handler --user-data-dir=C:\Users\Admin\AppData\Local\com.ezfn.hybrid\EBWebView /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\com.ezfn.hybrid\EBWebView\Crashpad --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=132.0.6834.160 "--annotation=exe=C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --annotation=plat=Win64 "--annotation=prod=Edge WebView2" --annotation=ver=132.0.2957.140 --initial-client-data=0x15c,0x160,0x164,0x138,0x170,0x7ffced8eb078,0x7ffced8eb084,0x7ffced8eb090
          4⤵
            PID:2052
          • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
            "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=gpu-process --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\com.ezfn.hybrid\EBWebView" --webview-exe-name=hybrid.exe --webview-exe-version=1.1.8 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --gpu-preferences=UAAAAAAAAADgAAAEAAAAAAAAAAAAAAAAAABgAAEAAAAAAAAAAAAAAAAAAAACAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAEAAAAAAAAAAIAAAAAAAAAAgAAAAAAAAA --always-read-main-dll --field-trial-handle=1652,i,5158113378419233313,10652606321280980645,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=1648 /prefetch:2
            4⤵
              PID:764
            • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
              "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=uk --service-sandbox-type=none --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\com.ezfn.hybrid\EBWebView" --webview-exe-name=hybrid.exe --webview-exe-version=1.1.8 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --always-read-main-dll --field-trial-handle=2008,i,5158113378419233313,10652606321280980645,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=2024 /prefetch:11
              4⤵
                PID:1628
              • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
                "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=uk --service-sandbox-type=service --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\com.ezfn.hybrid\EBWebView" --webview-exe-name=hybrid.exe --webview-exe-version=1.1.8 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --always-read-main-dll --field-trial-handle=2288,i,5158113378419233313,10652606321280980645,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=2300 /prefetch:13
                4⤵
                  PID:1540
                • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
                  "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=renderer --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\com.ezfn.hybrid\EBWebView" --webview-exe-name=hybrid.exe --webview-exe-version=1.1.8 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --autoplay-policy=no-user-gesture-required --video-capture-use-gpu-memory-buffer --lang=uk --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --js-flags="--harmony-weak-refs-with-cleanup-some --expose-gc --ms-user-locale=uk_UA" --always-read-main-dll --field-trial-handle=3584,i,5158113378419233313,10652606321280980645,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=3592 /prefetch:1
                  4⤵
                    PID:3600
                • C:\Windows\system32\netsh.exe
                  "netsh" advfirewall firewall delete rule "name=EZFN Hybrid Interceptor (In)"
                  3⤵
                  • Modifies Windows Firewall
                  • Event Triggered Execution: Netsh Helper DLL
                  PID:4564
                • C:\Windows\system32\netsh.exe
                  "netsh" advfirewall firewall delete rule "name=EZFN Hybrid Interceptor (Out)"
                  3⤵
                  • Modifies Windows Firewall
                  • Event Triggered Execution: Netsh Helper DLL
                  PID:2624
                • C:\Windows\system32\netsh.exe
                  "netsh" advfirewall firewall add rule "name=EZFN Hybrid Interceptor (In)" dir=in action=allow protocol=TCP localport=50078,50081
                  3⤵
                  • Modifies Windows Firewall
                  • Event Triggered Execution: Netsh Helper DLL
                  PID:2084
                • C:\Windows\system32\netsh.exe
                  "netsh" advfirewall firewall add rule "name=EZFN Hybrid Interceptor (Out)" dir=out action=allow protocol=TCP localport=50078,50081
                  3⤵
                  • Modifies Windows Firewall
                  • Event Triggered Execution: Netsh Helper DLL
                  PID:4148
            • 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 WriteProcessMemory
              PID:3228
              • C:\Windows\syswow64\MsiExec.exe
                C:\Windows\syswow64\MsiExec.exe -Embedding C9840852DE78D1744586F5B866A970BF C
                2⤵
                • Loads dropped DLL
                • System Location Discovery: System Language Discovery
                PID:2984
              • C:\Windows\system32\srtasks.exe
                C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
                2⤵
                  PID:1516
              • C:\Windows\system32\vssvc.exe
                C:\Windows\system32\vssvc.exe
                1⤵
                • Checks SCSI registry key(s)
                PID:3452
              • C:\Program Files\EZFN Hybrid\WinDivert64.sys
                "C:\Program Files\EZFN Hybrid\WinDivert64.sys"
                1⤵
                • Executes dropped EXE
                PID:3628

              Network

                    MITRE ATT&CK Enterprise v16

                    Replay Monitor

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                    Downloads

                    e58dd8b.rbs

                    • Path C:\Config.Msi\e58dd8b.rbs
                    • Size 10KB
                    • SHA256 97262f834aabd6463dccf3b67ae4ebf7b41c6f6569d5b88ebc00bf31b807241d
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    WinDivert.dll

                    • Path C:\Program Files\EZFN Hybrid\WinDivert.dll
                    • Size 46KB
                    • SHA256 c1e060ee19444a259b2162f8af0f3fe8c4428a1c6f694dce20de194ac8d7d9a2
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    WinDivert64.sys

                    • Path C:\Program Files\EZFN Hybrid\WinDivert64.sys
                    • Size 91KB
                    • SHA256 8da085332782708d8767bcace5327a6ec7283c17cfb85e40b03cd2323a90ddc2
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    hybrid.exe

                    • Path C:\Program Files\EZFN Hybrid\hybrid.exe
                    • Size 21.5MB
                    • SHA256 0d4b1c147527b61f192749b95c0fbc6974f3e6d50c8931b3ade3de27789a6c89
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    EZFN Hybrid.lnk

                    • Path C:\ProgramData\Microsoft\Windows\Start Menu\Programs\EZFN Hybrid\EZFN Hybrid.lnk
                    • Size 1KB
                    • SHA256 6017ce65599880caf542bce7028a1da759a908693bd72bfface479a3f6a2671c
                    • MD5 SHA1 SHA512 TLSH

                    ~ZFN Hybrid.tmp

                    • Path C:\ProgramData\Microsoft\Windows\Start Menu\Programs\EZFN Hybrid\~ZFN Hybrid.tmp
                    • Size 1KB
                    • SHA256 ef84c5b8099d4d007d58da0a0dec98dfe5ab25deb924159527946e2bf78c6016
                    • MD5 SHA1 SHA512 TLSH

                    MSI9FD5.tmp

                    • Path C:\Users\Admin\AppData\Local\Temp\MSI9FD5.tmp
                    • Size 132KB
                    • SHA256 7f47d98ab25cfea9b3a2e898c3376cc9ba1cd893b4948b0c27caa530fd0e34cc
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    181b6fdd-a5d7-46e7-9116-1d009ea58608.tmp

                    • Path C:\Users\Admin\AppData\Local\com.ezfn.hybrid\EBWebView\181b6fdd-a5d7-46e7-9116-1d009ea58608.tmp
                    • Size 4KB
                    • SHA256 cee9d10e2998bd6c90e8f2f3f9ba2fbdc15bfe52203415e3dcb2fd9dc591bbce
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    6bb12a86-d984-4739-a2cb-ab683d336b1b.tmp

                    • Path C:\Users\Admin\AppData\Local\com.ezfn.hybrid\EBWebView\6bb12a86-d984-4739-a2cb-ab683d336b1b.tmp
                    • Size 3KB
                    • SHA256 748b01f8e37d0ec5f9d24247dd4c32722b008cf02de9ec6e7653a41f8b68a388
                    • MD5 SHA1 SHA512 TLSH

                    73e07a10-4e10-4dec-be62-1b4535de7b2b.tmp

                    • Path C:\Users\Admin\AppData\Local\com.ezfn.hybrid\EBWebView\73e07a10-4e10-4dec-be62-1b4535de7b2b.tmp
                    • Size 2KB
                    • SHA256 eaec89d19c81da0ee907aad407e1fc3b1306aa27ddeb591c62f5600621a1efc3
                    • MD5 SHA1 SHA512 TLSH

                    7fbaae35-be34-4f57-8c88-036181d9f859.tmp

                    • Path C:\Users\Admin\AppData\Local\com.ezfn.hybrid\EBWebView\7fbaae35-be34-4f57-8c88-036181d9f859.tmp
                    • Size 1KB
                    • SHA256 fc9ec62d188e53b56ce0c0b5f03ee023c540daf19c3c8ff62e1ce7245880758f
                    • MD5 SHA1 SHA512 TLSH

                    settings.dat

                    • Path C:\Users\Admin\AppData\Local\com.ezfn.hybrid\EBWebView\Crashpad\settings.dat
                    • Size 280B
                    • SHA256 1b094a7428dce17357f9e55492e8368178bf8b27d0adb30078d3f17ffd11be8b
                    • MD5 SHA1 SHA512 TLSH

                    settings.dat

                    • Path C:\Users\Admin\AppData\Local\com.ezfn.hybrid\EBWebView\Crashpad\settings.dat
                    • Size 280B
                    • SHA256 bcc4c6f330c27db4e5a79dac27c51cf7b62ebe5413372b85a8f4b77f663d7f93
                    • MD5 SHA1 SHA512

                    throttle_store.dat

                    • Path C:\Users\Admin\AppData\Local\com.ezfn.hybrid\EBWebView\Crashpad\throttle_store.dat
                    • Size 20B
                    • SHA256 41c91a9c93d76295746a149dce7ebb3b9ee2cb551d84365fff108e59a61cc304
                    • MD5 SHA1 SHA512

                    temp-index

                    • Path C:\Users\Admin\AppData\Local\com.ezfn.hybrid\EBWebView\Default\Code Cache\js\index-dir\temp-index
                    • Size 72B
                    • SHA256 cb78b91f87ad43e63d5ca40973134bd8103b6e8e0785b23ebb3e4bc99085ad3c
                    • MD5 SHA1 SHA512 TLSH

                    the-real-index

                    • Path C:\Users\Admin\AppData\Local\com.ezfn.hybrid\EBWebView\Default\Code Cache\js\index-dir\the-real-index
                    • Size 48B
                    • SHA256 28d7b1c2240f865b377e2627e6b2b7b4d8aacadb481019bbf93d652045cb601b
                    • MD5 SHA1 SHA512

                    data_1

                    • Path C:\Users\Admin\AppData\Local\com.ezfn.hybrid\EBWebView\Default\DawnGraphiteCache\data_1
                    • Size 264KB
                    • SHA256 902f30c1fb0597d0734bc34b979ec5d131f8f39a4b71b338083821216ec8d61b
                    • MD5 SHA1 SHA512 SSDEEP

                    data_0

                    • Path C:\Users\Admin\AppData\Local\com.ezfn.hybrid\EBWebView\Default\GPUCache\data_0
                    • Size 8KB
                    • SHA256 d6a5fe39cd672781b256e0e3102f7022635f1d4bb7cfcc90a80fffe4d0f3877e
                    • MD5 SHA1 SHA512 SSDEEP

                    data_2

                    • Path C:\Users\Admin\AppData\Local\com.ezfn.hybrid\EBWebView\Default\GPUCache\data_2
                    • Size 8KB
                    • SHA256 ec1702806f4cc7c42a82fc2b38e89835fde7c64bb32060e0823c9077ca92efb7
                    • MD5 SHA1 SHA512 SSDEEP

                    data_3

                    • Path C:\Users\Admin\AppData\Local\com.ezfn.hybrid\EBWebView\Default\GPUCache\data_3
                    • Size 8KB
                    • SHA256 e09f42c398d688dce168570291f1f92d079987deda3099a34adb9e8c0522b30c
                    • MD5 SHA1 SHA512 SSDEEP

                    SCT Auditing Pending Reports

                    • Path C:\Users\Admin\AppData\Local\com.ezfn.hybrid\EBWebView\Default\Network\SCT Auditing Pending Reports
                    • Size 2B
                    • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                    • MD5 SHA1 SHA512

                    CURRENT

                    • Path C:\Users\Admin\AppData\Local\com.ezfn.hybrid\EBWebView\Default\Site Characteristics Database\CURRENT
                    • Size 16B
                    • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
                    • MD5 SHA1 SHA512

                    MANIFEST-000001

                    • Path C:\Users\Admin\AppData\Local\com.ezfn.hybrid\EBWebView\Default\Sync Data\LevelDB\MANIFEST-000001
                    • Size 41B
                    • SHA256 f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4
                    • MD5 SHA1 SHA512

                    Local State

                    • Path C:\Users\Admin\AppData\Local\com.ezfn.hybrid\EBWebView\Local State
                    • Size 1KB
                    • SHA256 0479bfaeecd12668262c1fb11ef718dced391b5b24e7fd5f1b6b2cc92ae26110
                    • MD5 SHA1 SHA512 TLSH

                    diagnostics-health.log

                    • Path C:\Users\Admin\AppData\Local\com.ezfn.hybrid\diagnostics-health.log
                    • Size 93B
                    • SHA256 0c23df53d5bc121f273b844a112ad0227e5aae6587a10c783da777fdf1454ad0
                    • MD5 SHA1 SHA512 TLSH

                    e58dd8c.msi

                    • Path C:\Windows\Installer\e58dd8c.msi
                    • Size 8.8MB
                    • SHA256 f6a7c04b628d55916dd781057051d702b96b9c76c31d44921fc70c2c24cbb94f
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    metadata-2

                    • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
                    • Size 24.6MB
                    • SHA256 6341b743492f59a555851a5ec2e0ad9f3603a1aa71c2c89c8dd60b31485c08b5
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    {043f4dd9-e18d-443c-976f-58f82244cd7a}_OnDiskSnapshotProp

                    • Path \??\Volume{ded4cea0-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{043f4dd9-e18d-443c-976f-58f82244cd7a}_OnDiskSnapshotProp
                    • Size 6KB
                    • SHA256 06b1c9ee02b00bf5f02fa0769917ee55e3a4fc344a19b2e2ac77c607c52c617f
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    memory/764-80-0x00007FFD0DBE0000-0x00007FFD0DBE1000-memory.dmp

                    memory/3160-278-0x0000000062800000-0x0000000062813000-memory.dmp

                    memory/3600-177-0x00007FFD0DBE0000-0x00007FFD0DBE1000-memory.dmp