Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/07/2026, 04:19

General

  • Target
    md-preview.exe
  • Size 4.9MB
  • Sample260710-ext1eses41
  • SHA256 fbbef07e4cd324fdb18f01cf7ea24439f7a19a937a434f84a70b9e32a427163a
  • 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 22 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 33 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\md-preview.exe
    "C:\Users\Admin\AppData\Local\Temp\md-preview.exe"
    1⤵
    • Checks whether UAC is enabled
    • Modifies registry class
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4184
    • 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=md-preview.exe --webview-exe-version=1.1.2 --user-data-dir="C:\Users\Admin\AppData\Local\md-preview\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,RemoveRedirectionBitmap --lang=en-US --accept-lang=en-US --mojo-named-platform-channel-pipe=4184.2428.14979182379567115786 /pfhostedapp:596fc4a87043c70dfadb6587a87529b85391c1ad
      2⤵
      • Drops file in Windows directory
      • Enumerates system info in registry
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of WriteProcessMemory
      PID:3440
      • 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\md-preview\WebView2\EBWebView /prefetch:4 /pfhostedapp:596fc4a87043c70dfadb6587a87529b85391c1ad --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\md-preview\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,0x160,0x194,0x7ffcab065fd8,0x7ffcab065fe4,0x7ffcab065ff0
        3⤵
          PID:3340
        • 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\md-preview\WebView2\EBWebView" --webview-exe-name=md-preview.exe --webview-exe-version=1.1.2 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=1984 --field-trial-handle=1988,i,12468065550702449496,12649003381491837208,262144 --enable-features=MojoIpcz,RemoveRedirectionBitmap --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:2 /pfhostedapp:596fc4a87043c70dfadb6587a87529b85391c1ad
          3⤵
            PID:5216
          • 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\md-preview\WebView2\EBWebView" --webview-exe-name=md-preview.exe --webview-exe-version=1.1.2 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --mojo-platform-channel-handle=2144 --field-trial-handle=1988,i,12468065550702449496,12649003381491837208,262144 --enable-features=MojoIpcz,RemoveRedirectionBitmap --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:3 /pfhostedapp:596fc4a87043c70dfadb6587a87529b85391c1ad
            3⤵
              PID:1564
            • 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\md-preview\WebView2\EBWebView" --webview-exe-name=md-preview.exe --webview-exe-version=1.1.2 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --mojo-platform-channel-handle=2300 --field-trial-handle=1988,i,12468065550702449496,12649003381491837208,262144 --enable-features=MojoIpcz,RemoveRedirectionBitmap --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:8 /pfhostedapp:596fc4a87043c70dfadb6587a87529b85391c1ad
              3⤵
                PID:2244
              • 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\md-preview\WebView2\EBWebView" --webview-exe-name=md-preview.exe --webview-exe-version=1.1.2 --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=3308 --field-trial-handle=1988,i,12468065550702449496,12649003381491837208,262144 --enable-features=MojoIpcz,RemoveRedirectionBitmap --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /pfhostedapp:596fc4a87043c70dfadb6587a87529b85391c1ad /prefetch:1
                3⤵
                  PID:5596
                • 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\md-preview\WebView2\EBWebView" --webview-exe-name=md-preview.exe --webview-exe-version=1.1.2 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --mojo-platform-channel-handle=4388 --field-trial-handle=1988,i,12468065550702449496,12649003381491837208,262144 --enable-features=MojoIpcz,RemoveRedirectionBitmap --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:8 /pfhostedapp:596fc4a87043c70dfadb6587a87529b85391c1ad
                  3⤵
                    PID:4484
                  • 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\md-preview\WebView2\EBWebView" --webview-exe-name=md-preview.exe --webview-exe-version=1.1.2 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --mojo-platform-channel-handle=820 --field-trial-handle=1988,i,12468065550702449496,12649003381491837208,262144 --enable-features=MojoIpcz,RemoveRedirectionBitmap --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:8 /pfhostedapp:596fc4a87043c70dfadb6587a87529b85391c1ad
                    3⤵
                      PID:5236
                    • 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\md-preview\WebView2\EBWebView" --webview-exe-name=md-preview.exe --webview-exe-version=1.1.2 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --gpu-preferences=WAAAAAAAAADoAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAABEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=4484 --field-trial-handle=1988,i,12468065550702449496,12649003381491837208,262144 --enable-features=MojoIpcz,RemoveRedirectionBitmap --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:8 /pfhostedapp:596fc4a87043c70dfadb6587a87529b85391c1ad
                      3⤵
                      • Suspicious behavior: EnumeratesProcesses
                      PID:1844
                    • 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\md-preview\WebView2\EBWebView" --webview-exe-name=md-preview.exe --webview-exe-version=1.1.2 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --mojo-platform-channel-handle=3984 --field-trial-handle=1988,i,12468065550702449496,12649003381491837208,262144 --enable-features=MojoIpcz,RemoveRedirectionBitmap --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:8 /pfhostedapp:596fc4a87043c70dfadb6587a87529b85391c1ad
                      3⤵
                        PID:1848

                  Network

                        MITRE ATT&CK Enterprise v16

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        settings.dat

                        • Path C:\Users\Admin\AppData\Local\md-preview\WebView2\EBWebView\Crashpad\settings.dat
                        • Size 280B
                        • SHA256 9688d4dd22bcbdae6102300d5277fcdf4d49302d00c50df8e5cd8cb756651e80
                        • MD5 SHA1 SHA512 TLSH

                        settings.dat

                        • Path C:\Users\Admin\AppData\Local\md-preview\WebView2\EBWebView\Crashpad\settings.dat
                        • Size 280B
                        • SHA256 61f8856c4d8c83da8d8d3c845920a7b2b31f0379c826f22590f49740a4a147a4
                        • MD5 SHA1 SHA512

                        Network Persistent State

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

                        Network Persistent State~RFe5a3fba.TMP

                        • Path C:\Users\Admin\AppData\Local\md-preview\WebView2\EBWebView\Default\Network\Network Persistent State~RFe5a3fba.TMP
                        • Size 59B
                        • SHA256 226eec4486509917aa336afebd6ff65777b75b65f1fb06891d2a857a9421a974
                        • MD5 SHA1 SHA512 TLSH

                        b266c999-d7ef-4d7f-839b-c35294533dd4.tmp

                        • Path C:\Users\Admin\AppData\Local\md-preview\WebView2\EBWebView\Default\Network\b266c999-d7ef-4d7f-839b-c35294533dd4.tmp
                        • Size 2B
                        • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                        • MD5 SHA1 SHA512

                        Preferences

                        • Path C:\Users\Admin\AppData\Local\md-preview\WebView2\EBWebView\Default\Preferences
                        • Size 5KB
                        • SHA256 814166fab4717b661555cf57a3cd0547b9ba68d5cc564e23b6592b6c066799db
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        CURRENT

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

                        adb4670d-b123-4fec-8348-1f4e1c87a91c.tmp

                        • Path C:\Users\Admin\AppData\Local\md-preview\WebView2\EBWebView\Default\adb4670d-b123-4fec-8348-1f4e1c87a91c.tmp
                        • Size 5KB
                        • SHA256 5701a862985d7d6dae8a55705628604860a3993c49aef613a3e858e025c6cbfc
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        MANIFEST-000001

                        • Path C:\Users\Admin\AppData\Local\md-preview\WebView2\EBWebView\Default\shared_proto_db\metadata\MANIFEST-000001
                        • Size 41B
                        • SHA256 f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4
                        • MD5 SHA1 SHA512

                        data_0

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

                        data_1

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

                        data_2

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

                        data_3

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

                        Local State

                        • Path C:\Users\Admin\AppData\Local\md-preview\WebView2\EBWebView\Local State
                        • Size 15KB
                        • SHA256 7c63960d46c7227b758628d54044d88d0bcb81e0d7b03779c1f6cf61188d6648
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        Local State

                        • Path C:\Users\Admin\AppData\Local\md-preview\WebView2\EBWebView\Local State
                        • Size 2KB
                        • SHA256 53cfb51c1790209b2dd5945e14fd7d78be1b1c719aeabdba4418545f64fb455a
                        • MD5 SHA1 SHA512 TLSH

                        Local State

                        • Path C:\Users\Admin\AppData\Local\md-preview\WebView2\EBWebView\Local State
                        • Size 3KB
                        • SHA256 660a83aed4115d9826a63cf1af61e59cfbdc24d53c4b26e1d887e0dbfe5dec7c
                        • MD5 SHA1 SHA512 TLSH

                        Local State~RFe592aee.TMP

                        • Path C:\Users\Admin\AppData\Local\md-preview\WebView2\EBWebView\Local State~RFe592aee.TMP
                        • Size 1KB
                        • SHA256 12b0ed54a925d6a4d2b846f2ca3b24ad1b063400c57ffc082d0517837bf29127
                        • MD5 SHA1 SHA512 TLSH

                        memory/1844-324-0x00000265C1080000-0x00000265C1081000-memory.dmp

                        memory/1844-326-0x00000265C1080000-0x00000265C1081000-memory.dmp

                        memory/1844-332-0x00000265C1080000-0x00000265C1081000-memory.dmp

                        memory/1844-335-0x00000265C1080000-0x00000265C1081000-memory.dmp

                        memory/1844-334-0x00000265C1080000-0x00000265C1081000-memory.dmp

                        memory/1844-333-0x00000265C1080000-0x00000265C1081000-memory.dmp

                        memory/1844-331-0x00000265C1080000-0x00000265C1081000-memory.dmp

                        memory/1844-330-0x00000265C1080000-0x00000265C1081000-memory.dmp

                        memory/4484-243-0x00007FFCCC3A0000-0x00007FFCCC3A1000-memory.dmp

                        memory/4484-242-0x00007FFCCCB10000-0x00007FFCCCB11000-memory.dmp

                        memory/5216-192-0x0000025102570000-0x0000025102643000-memory.dmp

                        memory/5216-31-0x00007FFCCBC00000-0x00007FFCCBC01000-memory.dmp

                        memory/5596-51-0x00007FFCCBC00000-0x00007FFCCBC01000-memory.dmp