Analysis

  • max time kernel
    148s
  • max time network
    149s
  • 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, 04:23

General

  • Target
    mdview.exe
  • Size 3.4MB
  • Sample260728-ezz98aeh83
  • SHA256 2ae94dcc9de4ab2496b2c815a961bf81abcfae64405b432c443c7acebaf09aea
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • 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 21 IoCs
  • 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 1 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\mdview.exe
    "C:\Users\Admin\AppData\Local\Temp\mdview.exe"
    1⤵
    • Checks whether UAC is enabled
    • Modifies registry class
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4588
    • 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=mdview.exe --webview-exe-version=0.0.0 --user-data-dir="C:\Users\Admin\AppData\Local\mdview\WebView2\EBWebView" --noerrdialogs --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --autoplay-policy=no-user-gesture-required --disable-features=msWebOOUI,msPdfOOUI,msSmartScreenProtection --enable-features=MojoIpcz --lang=en-US --accept-lang=en-US --mojo-named-platform-channel-pipe=4588.3428.6246810691674212342 /pfhostedapp:84a64b9c644d3f9f24376044870a54096d001ea5
      2⤵
      • Drops file in Windows directory
      • Enumerates system info in registry
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of WriteProcessMemory
      PID:2584
      • 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\Local\mdview\WebView2\EBWebView /prefetch:4 /pfhostedapp:84a64b9c644d3f9f24376044870a54096d001ea5 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\mdview\WebView2\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,0x160,0x194,0x7ff8bda55fd8,0x7ff8bda55fe4,0x7ff8bda55ff0
        3⤵
          PID:1316
        • 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\Local\mdview\WebView2\EBWebView" --webview-exe-name=mdview.exe --webview-exe-version=0.0.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=1708 --field-trial-handle=1712,i,8340332259235073091,16189631739369760729,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:2 /pfhostedapp:84a64b9c644d3f9f24376044870a54096d001ea5
          3⤵
            PID:4472
          • 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\Local\mdview\WebView2\EBWebView" --webview-exe-name=mdview.exe --webview-exe-version=0.0.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --mojo-platform-channel-handle=2056 --field-trial-handle=1712,i,8340332259235073091,16189631739369760729,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:3 /pfhostedapp:84a64b9c644d3f9f24376044870a54096d001ea5
            3⤵
              PID:1476
            • 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\Local\mdview\WebView2\EBWebView" --webview-exe-name=mdview.exe --webview-exe-version=0.0.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --mojo-platform-channel-handle=2272 --field-trial-handle=1712,i,8340332259235073091,16189631739369760729,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:8 /pfhostedapp:84a64b9c644d3f9f24376044870a54096d001ea5
              3⤵
                PID:428
              • 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\Local\mdview\WebView2\EBWebView" --webview-exe-name=mdview.exe --webview-exe-version=0.0.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --autoplay-policy=no-user-gesture-required --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=3404 --field-trial-handle=1712,i,8340332259235073091,16189631739369760729,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /pfhostedapp:84a64b9c644d3f9f24376044870a54096d001ea5 /prefetch:1
                3⤵
                  PID:1352
                • 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=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\mdview\WebView2\EBWebView" --webview-exe-name=mdview.exe --webview-exe-version=0.0.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --mojo-platform-channel-handle=2220 --field-trial-handle=1712,i,8340332259235073091,16189631739369760729,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:8 /pfhostedapp:84a64b9c644d3f9f24376044870a54096d001ea5
                  3⤵
                    PID:3128
                  • 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=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\mdview\WebView2\EBWebView" --webview-exe-name=mdview.exe --webview-exe-version=0.0.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --mojo-platform-channel-handle=4488 --field-trial-handle=1712,i,8340332259235073091,16189631739369760729,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:8 /pfhostedapp:84a64b9c644d3f9f24376044870a54096d001ea5
                    3⤵
                      PID:6104
                    • 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=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\mdview\WebView2\EBWebView" --webview-exe-name=mdview.exe --webview-exe-version=0.0.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --mojo-platform-channel-handle=4332 --field-trial-handle=1712,i,8340332259235073091,16189631739369760729,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:8 /pfhostedapp:84a64b9c644d3f9f24376044870a54096d001ea5
                      3⤵
                        PID:2380
                      • 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\Local\mdview\WebView2\EBWebView" --webview-exe-name=mdview.exe --webview-exe-version=0.0.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --gpu-preferences=WAAAAAAAAADoAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAABEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=4492 --field-trial-handle=1712,i,8340332259235073091,16189631739369760729,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:8 /pfhostedapp:84a64b9c644d3f9f24376044870a54096d001ea5
                        3⤵
                        • Suspicious behavior: EnumeratesProcesses
                        PID:1800

                  Network

                        MITRE ATT&CK Enterprise v16

                        Replay Monitor

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                        Downloads

                        settings.dat

                        • Path C:\Users\Admin\AppData\Local\mdview\WebView2\EBWebView\Crashpad\settings.dat
                        • Size 280B
                        • SHA256 0ebd3956e202e6a693ab9b8896b1d0ef951316c6af38a60a283c69a048d689a7
                        • MD5 SHA1 SHA512

                        settings.dat

                        • Path C:\Users\Admin\AppData\Local\mdview\WebView2\EBWebView\Crashpad\settings.dat
                        • Size 280B
                        • SHA256 770f31f74572980c19a9553c43ce1873b415208aac66a2b00fc196dc52625dcb
                        • MD5 SHA1 SHA512 TLSH

                        throttle_store.dat

                        • Path C:\Users\Admin\AppData\Local\mdview\WebView2\EBWebView\Crashpad\throttle_store.dat
                        • Size 20B
                        • SHA256 41c91a9c93d76295746a149dce7ebb3b9ee2cb551d84365fff108e59a61cc304
                        • MD5 SHA1 SHA512

                        0d1396ee-b2c1-473b-b02e-d269a9a8473e.tmp

                        • Path C:\Users\Admin\AppData\Local\mdview\WebView2\EBWebView\Default\0d1396ee-b2c1-473b-b02e-d269a9a8473e.tmp
                        • Size 6KB
                        • SHA256 c4d542e10428a45dc36d55077a3a4e3fde7912e01294990ffda5833d0c374117
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        the-real-index

                        • Path C:\Users\Admin\AppData\Local\mdview\WebView2\EBWebView\Default\Code Cache\js\index-dir\the-real-index
                        • Size 72B
                        • SHA256 ee18cb01f63b57775a276038edefbd93e6a5748b34d1edace110d129196c619a
                        • MD5 SHA1 SHA512 TLSH

                        the-real-index

                        • Path C:\Users\Admin\AppData\Local\mdview\WebView2\EBWebView\Default\Code Cache\js\index-dir\the-real-index
                        • Size 48B
                        • SHA256 2433bfd9945f2716d83b65b39584be618aac4839c6ec943124ed83269c9696d6
                        • MD5 SHA1 SHA512

                        Network Persistent State

                        • Path C:\Users\Admin\AppData\Local\mdview\WebView2\EBWebView\Default\Network\Network Persistent State
                        • Size 111B
                        • SHA256 5dfc321417fc31359f23320ea68014ebfd793c5bbed55f77dab4180bbd4a2026
                        • MD5 SHA1 SHA512 TLSH

                        Network Persistent State~RFe5a5db2.TMP

                        • Path C:\Users\Admin\AppData\Local\mdview\WebView2\EBWebView\Default\Network\Network Persistent State~RFe5a5db2.TMP
                        • Size 59B
                        • SHA256 226eec4486509917aa336afebd6ff65777b75b65f1fb06891d2a857a9421a974
                        • MD5 SHA1 SHA512 TLSH

                        SCT Auditing Pending Reports

                        • Path C:\Users\Admin\AppData\Local\mdview\WebView2\EBWebView\Default\Network\SCT Auditing Pending Reports
                        • Size 2B
                        • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                        • MD5 SHA1 SHA512

                        Preferences

                        • Path C:\Users\Admin\AppData\Local\mdview\WebView2\EBWebView\Default\Preferences
                        • Size 6KB
                        • SHA256 70e844baf9e6dfc6ead7743fbffd9bd37b48c7b9d49e2ea22a81ac939074ea69
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        CURRENT

                        • Path C:\Users\Admin\AppData\Local\mdview\WebView2\EBWebView\Default\Site Characteristics Database\CURRENT
                        • Size 16B
                        • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
                        • MD5 SHA1 SHA512

                        MANIFEST-000001

                        • Path C:\Users\Admin\AppData\Local\mdview\WebView2\EBWebView\Default\Sync Data\LevelDB\MANIFEST-000001
                        • Size 41B
                        • SHA256 f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4
                        • MD5 SHA1 SHA512

                        data_0

                        • Path C:\Users\Admin\AppData\Local\mdview\WebView2\EBWebView\GraphiteDawnCache\data_0
                        • Size 8KB
                        • SHA256 d6a5fe39cd672781b256e0e3102f7022635f1d4bb7cfcc90a80fffe4d0f3877e
                        • MD5 SHA1 SHA512 SSDEEP

                        data_1

                        • Path C:\Users\Admin\AppData\Local\mdview\WebView2\EBWebView\GraphiteDawnCache\data_1
                        • Size 264KB
                        • SHA256 902f30c1fb0597d0734bc34b979ec5d131f8f39a4b71b338083821216ec8d61b
                        • MD5 SHA1 SHA512 SSDEEP

                        data_2

                        • Path C:\Users\Admin\AppData\Local\mdview\WebView2\EBWebView\GraphiteDawnCache\data_2
                        • Size 8KB
                        • SHA256 ec1702806f4cc7c42a82fc2b38e89835fde7c64bb32060e0823c9077ca92efb7
                        • MD5 SHA1 SHA512 SSDEEP

                        data_3

                        • Path C:\Users\Admin\AppData\Local\mdview\WebView2\EBWebView\GraphiteDawnCache\data_3
                        • Size 8KB
                        • SHA256 e09f42c398d688dce168570291f1f92d079987deda3099a34adb9e8c0522b30c
                        • MD5 SHA1 SHA512 SSDEEP

                        Local State

                        • Path C:\Users\Admin\AppData\Local\mdview\WebView2\EBWebView\Local State
                        • Size 15KB
                        • SHA256 b62c84bcec3b7a07a7785a351fd2680d211a03f12d472d90a37a849b7dd83a3b
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        Local State

                        • Path C:\Users\Admin\AppData\Local\mdview\WebView2\EBWebView\Local State
                        • Size 2KB
                        • SHA256 64de2b75c229a0320d8cd2a4ca43617edd8ba9e5b7cf2d62124c2e51c7351ad1
                        • MD5 SHA1 SHA512 TLSH

                        Local State

                        • Path C:\Users\Admin\AppData\Local\mdview\WebView2\EBWebView\Local State
                        • Size 3KB
                        • SHA256 36bafba6e83a329fe35728101a36a574ae32a9c24b94e8d24b223ec83afd9b75
                        • MD5 SHA1 SHA512 TLSH

                        Local State~RFe593658.TMP

                        • Path C:\Users\Admin\AppData\Local\mdview\WebView2\EBWebView\Local State~RFe593658.TMP
                        • Size 1KB
                        • SHA256 f8eded1293a2ef58cf8fec3f9aea9d6bb0f6f14f35fee00837da85015a1d57f7
                        • MD5 SHA1 SHA512 TLSH

                        .d0906b8b144044e3.dat

                        • Path C:\Users\Admin\AppData\Local\mdview\cache\.d0906b8b144044e3.dat
                        • Size 267B
                        • SHA256 ef4bb6504e4d60595585e49901527e2d12e98a77a8d547b21c8490a75d4f8e63
                        • MD5 SHA1 SHA512 TLSH

                        memory/1352-110-0x00007FF8DED80000-0x00007FF8DED81000-memory.dmp

                        memory/1352-212-0x00000229BCEC0000-0x00000229BCF72000-memory.dmp

                        memory/1800-386-0x000001F3A0FE0000-0x000001F3A0FE1000-memory.dmp

                        memory/1800-388-0x000001F3A0FE0000-0x000001F3A0FE1000-memory.dmp

                        memory/1800-392-0x000001F3A0FE0000-0x000001F3A0FE1000-memory.dmp

                        memory/1800-395-0x000001F3A0FE0000-0x000001F3A0FE1000-memory.dmp

                        memory/1800-397-0x000001F3A0FE0000-0x000001F3A0FE1000-memory.dmp

                        memory/1800-396-0x000001F3A0FE0000-0x000001F3A0FE1000-memory.dmp

                        memory/1800-394-0x000001F3A0FE0000-0x000001F3A0FE1000-memory.dmp

                        memory/1800-393-0x000001F3A0FE0000-0x000001F3A0FE1000-memory.dmp

                        memory/3128-266-0x00007FF8DE810000-0x00007FF8DE811000-memory.dmp

                        memory/3128-267-0x00007FF8DF830000-0x00007FF8DF831000-memory.dmp

                        memory/4472-207-0x0000029497DB0000-0x0000029497E62000-memory.dmp

                        memory/4472-33-0x00007FF8DED80000-0x00007FF8DED81000-memory.dmp

                        memory/4472-420-0x0000029497DB0000-0x0000029497E62000-memory.dmp