Analysis

  • user interaction
    yes
  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260617-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/06/2026, 18:27

General

  • Target
    PortFlow_update.exe
  • Size 45.0MB
  • Sample260623-w39rhaft3k
  • SHA256 f4101ecaf6463e95398da0e137ddd647a2344daa2f1a6ee768493124b6772222
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Event Triggered Execution: Component Object Model Hijacking 1 TTPs

    Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Network Share Discovery 1 TTPs

    Attempt to gather information on host network.

  • Drops file in Windows directory 1 IoCs
  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 12 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PortFlow_update.exe
    "C:\Users\Admin\AppData\Local\Temp\PortFlow_update.exe"
    1⤵
    • Checks whether UAC is enabled
    • Modifies registry class
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1216
    • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe
      "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe" --embedded-browser-webview=1 --webview-exe-name=PortFlow_update.exe --webview-exe-version=1.0.0 --user-data-dir="C:\Users\Admin\AppData\Roaming\PortFlow_update.exe\EBWebView" --noerrdialogs --embedded-browser-webview-dpi-awareness=2 --disable-features=msSmartScreenProtection --enable-features=MojoIpcz --mojo-named-platform-channel-pipe=1216.3684.12570939764839233468 /pfhostedapp:ec1b66b092008dba3de57216d0b6cde6fcc355f5
      2⤵
      • Drops file in Windows directory
      • Enumerates system info in registry
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of WriteProcessMemory
      PID:1724
      • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe
        "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe" --type=crashpad-handler --user-data-dir=C:\Users\Admin\AppData\Roaming\PortFlow_update.exe\EBWebView /prefetch:4 /pfhostedapp:ec1b66b092008dba3de57216d0b6cde6fcc355f5 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Roaming\PortFlow_update.exe\EBWebView\Crashpad --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=122.0.6261.139 "--annotation=exe=C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe" --annotation=plat=Win64 "--annotation=prod=Edge WebView2" --annotation=ver=122.0.2365.106 --initial-client-data=0x184,0x188,0x18c,0x160,0x194,0x7fff59845fd8,0x7fff59845fe4,0x7fff59845ff0
        3⤵
          PID:1884
        • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe
          "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe" --type=gpu-process --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Roaming\PortFlow_update.exe\EBWebView" --webview-exe-name=PortFlow_update.exe --webview-exe-version=1.0.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=1768 --field-trial-handle=1772,i,7806026040131388132,6809096938135009423,262144 --enable-features=MojoIpcz --disable-features=msSmartScreenProtection --variations-seed-version /prefetch:2 /pfhostedapp:ec1b66b092008dba3de57216d0b6cde6fcc355f5
          3⤵
            PID:2908
          • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe
            "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Roaming\PortFlow_update.exe\EBWebView" --webview-exe-name=PortFlow_update.exe --webview-exe-version=1.0.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --no-appcompat-clear --mojo-platform-channel-handle=2168 --field-trial-handle=1772,i,7806026040131388132,6809096938135009423,262144 --enable-features=MojoIpcz --disable-features=msSmartScreenProtection --variations-seed-version /prefetch:3 /pfhostedapp:ec1b66b092008dba3de57216d0b6cde6fcc355f5
            3⤵
              PID:4180
            • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe
              "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Roaming\PortFlow_update.exe\EBWebView" --webview-exe-name=PortFlow_update.exe --webview-exe-version=1.0.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --no-appcompat-clear --mojo-platform-channel-handle=2332 --field-trial-handle=1772,i,7806026040131388132,6809096938135009423,262144 --enable-features=MojoIpcz --disable-features=msSmartScreenProtection --variations-seed-version /prefetch:8 /pfhostedapp:ec1b66b092008dba3de57216d0b6cde6fcc355f5
              3⤵
                PID:3276
              • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe
                "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe" --type=renderer --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Roaming\PortFlow_update.exe\EBWebView" --webview-exe-name=PortFlow_update.exe --webview-exe-version=1.0.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --no-appcompat-clear --lang=en-US --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=" --mojo-platform-channel-handle=3532 --field-trial-handle=1772,i,7806026040131388132,6809096938135009423,262144 --enable-features=MojoIpcz --disable-features=msSmartScreenProtection --variations-seed-version /pfhostedapp:ec1b66b092008dba3de57216d0b6cde6fcc355f5 /prefetch:1
                3⤵
                  PID:4160
                • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe
                  "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe" --type=gpu-process --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=5140 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.26100.1301 --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Roaming\PortFlow_update.exe\EBWebView" --webview-exe-name=PortFlow_update.exe --webview-exe-version=1.0.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --no-appcompat-clear --gpu-preferences=WAAAAAAAAADoAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAABEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=4576 --field-trial-handle=1772,i,7806026040131388132,6809096938135009423,262144 --enable-features=MojoIpcz --disable-features=msSmartScreenProtection --variations-seed-version /prefetch:8 /pfhostedapp:ec1b66b092008dba3de57216d0b6cde6fcc355f5
                  3⤵
                  • Suspicious behavior: EnumeratesProcesses
                  PID:5944
              • C:\Windows\system32\netsh.exe
                netsh advfirewall firewall show rule "name=PortFlow Launcher"
                2⤵
                • Modifies Windows Firewall
                • Event Triggered Execution: Netsh Helper DLL
                PID:1364

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

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                  Downloads

                  settings.dat

                  • Path C:\Users\Admin\AppData\Roaming\PortFlow_update.exe\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 9e54f1d3c6da730e2d9207dfd4ceea6c9fd4b878bb85e5fc54b5cd8975001fc0
                  • MD5 SHA1 SHA512 TLSH

                  settings.dat

                  • Path C:\Users\Admin\AppData\Roaming\PortFlow_update.exe\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 898c15910c2f90bbd7bd7edfc0517cbebdca5e7101b35866acd23e8a8e261f91
                  • MD5 SHA1 SHA512 TLSH

                  throttle_store.dat

                  • Path C:\Users\Admin\AppData\Roaming\PortFlow_update.exe\EBWebView\Crashpad\throttle_store.dat
                  • Size 20B
                  • SHA256 41c91a9c93d76295746a149dce7ebb3b9ee2cb551d84365fff108e59a61cc304
                  • MD5 SHA1 SHA512

                  the-real-index

                  • Path C:\Users\Admin\AppData\Roaming\PortFlow_update.exe\EBWebView\Default\Code Cache\js\index-dir\the-real-index
                  • Size 96B
                  • SHA256 90e0cc9af2374a3f44a244eee5de1b6c170f089ed6399cee0d05d7492b89c5dd
                  • MD5 SHA1 SHA512 TLSH

                  the-real-index~RFe59d567.TMP

                  • Path C:\Users\Admin\AppData\Roaming\PortFlow_update.exe\EBWebView\Default\Code Cache\js\index-dir\the-real-index~RFe59d567.TMP
                  • Size 48B
                  • SHA256 ab87d4e33f6ad4195b070753690181c282587b574b33abbbc42a9fc454b8adb9
                  • MD5 SHA1 SHA512

                  CURRENT

                  • Path C:\Users\Admin\AppData\Roaming\PortFlow_update.exe\EBWebView\Default\Extension Rules\CURRENT
                  • Size 16B
                  • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
                  • MD5 SHA1 SHA512

                  MANIFEST-000001

                  • Path C:\Users\Admin\AppData\Roaming\PortFlow_update.exe\EBWebView\Default\Extension Scripts\MANIFEST-000001
                  • Size 41B
                  • SHA256 f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4
                  • MD5 SHA1 SHA512

                  Network Persistent State

                  • Path C:\Users\Admin\AppData\Roaming\PortFlow_update.exe\EBWebView\Default\Network\Network Persistent State
                  • Size 1KB
                  • SHA256 870a7dd549e3a6042d82757fc06eb2fcdf6998da99976f2aaf834c3273885a9c
                  • MD5 SHA1 SHA512 TLSH

                  Network Persistent State~RFe5a9869.TMP

                  • Path C:\Users\Admin\AppData\Roaming\PortFlow_update.exe\EBWebView\Default\Network\Network Persistent State~RFe5a9869.TMP
                  • Size 59B
                  • SHA256 226eec4486509917aa336afebd6ff65777b75b65f1fb06891d2a857a9421a974
                  • MD5 SHA1 SHA512 TLSH

                  SCT Auditing Pending Reports

                  • Path C:\Users\Admin\AppData\Roaming\PortFlow_update.exe\EBWebView\Default\Network\SCT Auditing Pending Reports
                  • Size 2B
                  • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                  • MD5 SHA1 SHA512

                  TransportSecurity

                  • Path C:\Users\Admin\AppData\Roaming\PortFlow_update.exe\EBWebView\Default\Network\TransportSecurity
                  • Size 523B
                  • SHA256 6b881be2824974d64b5d4e36350e5794c50e0e21e793e488b62ce0b6de816b27
                  • MD5 SHA1 SHA512 TLSH

                  TransportSecurity

                  • Path C:\Users\Admin\AppData\Roaming\PortFlow_update.exe\EBWebView\Default\Network\TransportSecurity
                  • Size 523B
                  • SHA256 ce5dffe62db579582e1e276560adf3c472b7a12dd9a5941b6e4eb867a5348577
                  • MD5 SHA1 SHA512 TLSH

                  TransportSecurity

                  • Path C:\Users\Admin\AppData\Roaming\PortFlow_update.exe\EBWebView\Default\Network\TransportSecurity
                  • Size 521B
                  • SHA256 70d97a2bd40e7896d9f58595f403ca07a213a63efe64c7faa8dfee455fd1a975
                  • MD5 SHA1 SHA512 TLSH

                  TransportSecurity

                  • Path C:\Users\Admin\AppData\Roaming\PortFlow_update.exe\EBWebView\Default\Network\TransportSecurity
                  • Size 521B
                  • SHA256 3803acf4ce0111ded8fb2f660236aa46d1fab2eb8931fc8276f63a881f58d2da
                  • MD5 SHA1 SHA512 TLSH

                  TransportSecurity

                  • Path C:\Users\Admin\AppData\Roaming\PortFlow_update.exe\EBWebView\Default\Network\TransportSecurity
                  • Size 523B
                  • SHA256 eccfd58a07b19d295820a21b1480b076354857ec90cb1300b7879633cfc8e1ce
                  • MD5 SHA1 SHA512 TLSH

                  TransportSecurity

                  • Path C:\Users\Admin\AppData\Roaming\PortFlow_update.exe\EBWebView\Default\Network\TransportSecurity
                  • Size 521B
                  • SHA256 bf5cc30333a073ce0c52c13342f459fa48d02ae2735c8c5f56c117a6f5a090b2
                  • MD5 SHA1 SHA512 TLSH

                  TransportSecurity~RFe5a00ad.TMP

                  • Path C:\Users\Admin\AppData\Roaming\PortFlow_update.exe\EBWebView\Default\Network\TransportSecurity~RFe5a00ad.TMP
                  • Size 523B
                  • SHA256 bbd51996183c1363eccd7a1d13f94e443a32905e218cae2954fef7ae2cfa1498
                  • MD5 SHA1 SHA512 TLSH

                  Preferences

                  • Path C:\Users\Admin\AppData\Roaming\PortFlow_update.exe\EBWebView\Default\Preferences
                  • Size 6KB
                  • SHA256 24dd9be7b04e883834e915466474d12d406812c4d733fd0cc28886196ef49f00
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  bc2ec283-3e74-42ad-9124-d8f945f265a3.tmp

                  • Path C:\Users\Admin\AppData\Roaming\PortFlow_update.exe\EBWebView\Default\bc2ec283-3e74-42ad-9124-d8f945f265a3.tmp
                  • Size 6KB
                  • SHA256 5184b7185ca9e45d836aec10354c664b007f7393f2127e607bb4cc41adf26355
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  data_0

                  • Path C:\Users\Admin\AppData\Roaming\PortFlow_update.exe\EBWebView\GraphiteDawnCache\data_0
                  • Size 8KB
                  • SHA256 d6a5fe39cd672781b256e0e3102f7022635f1d4bb7cfcc90a80fffe4d0f3877e
                  • MD5 SHA1 SHA512 SSDEEP

                  data_1

                  • Path C:\Users\Admin\AppData\Roaming\PortFlow_update.exe\EBWebView\GraphiteDawnCache\data_1
                  • Size 264KB
                  • SHA256 902f30c1fb0597d0734bc34b979ec5d131f8f39a4b71b338083821216ec8d61b
                  • MD5 SHA1 SHA512 SSDEEP

                  data_2

                  • Path C:\Users\Admin\AppData\Roaming\PortFlow_update.exe\EBWebView\GraphiteDawnCache\data_2
                  • Size 8KB
                  • SHA256 ec1702806f4cc7c42a82fc2b38e89835fde7c64bb32060e0823c9077ca92efb7
                  • MD5 SHA1 SHA512 SSDEEP

                  data_3

                  • Path C:\Users\Admin\AppData\Roaming\PortFlow_update.exe\EBWebView\GraphiteDawnCache\data_3
                  • Size 8KB
                  • SHA256 e09f42c398d688dce168570291f1f92d079987deda3099a34adb9e8c0522b30c
                  • MD5 SHA1 SHA512 SSDEEP

                  Local State

                  • Path C:\Users\Admin\AppData\Roaming\PortFlow_update.exe\EBWebView\Local State
                  • Size 15KB
                  • SHA256 14dd3915715c762f2ef47d6c55f21e286218cee2d2a25d1bae6c616044c7b04f
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Roaming\PortFlow_update.exe\EBWebView\Local State
                  • Size 2KB
                  • SHA256 8aefbbbf608361a48679350d1d73ffa992cf996eebeb1d37e5f29a99e7bcef28
                  • MD5 SHA1 SHA512 TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Roaming\PortFlow_update.exe\EBWebView\Local State
                  • Size 3KB
                  • SHA256 3973b6e007e843aa4d2da985ed6ccadba57f5d3c94c543e69c3e4664e2334083
                  • MD5 SHA1 SHA512 TLSH

                  Local State~RFe59834f.TMP

                  • Path C:\Users\Admin\AppData\Roaming\PortFlow_update.exe\EBWebView\Local State~RFe59834f.TMP
                  • Size 1KB
                  • SHA256 2ff16a0d999fd0f7ee5213680a149a45575db59ed05f4cc8a1cbda6bf2659973
                  • MD5 SHA1 SHA512 TLSH

                  memory/2908-26-0x00007FFF79ED0000-0x00007FFF79ED1000-memory.dmp

                  memory/4160-119-0x00007FFF79ED0000-0x00007FFF79ED1000-memory.dmp

                  memory/5944-299-0x0000023611050000-0x0000023611051000-memory.dmp

                  memory/5944-308-0x0000023611050000-0x0000023611051000-memory.dmp

                  memory/5944-305-0x0000023611050000-0x0000023611051000-memory.dmp

                  memory/5944-307-0x0000023611050000-0x0000023611051000-memory.dmp

                  memory/5944-306-0x0000023611050000-0x0000023611051000-memory.dmp

                  memory/5944-304-0x0000023611050000-0x0000023611051000-memory.dmp

                  memory/5944-303-0x0000023611050000-0x0000023611051000-memory.dmp

                  memory/5944-297-0x0000023611050000-0x0000023611051000-memory.dmp