Analysis

  • max time kernel
    150s
  • 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
    23/08/2026, 05:06

General

  • Target
    MicrosoftSettings.exe
  • Size 22.2MB
  • Sample260823-frqaqashle
  • SHA256 2ed072e85134bcf7677b690885e066d3b912b33f13a45949e031c5f7bb1761df
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Network Share Discovery 1 TTPs

    Attempt to gather information on host network.

  • Executes dropped EXE 3 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\MicrosoftSettings.exe
    "C:\Users\Admin\AppData\Local\Temp\MicrosoftSettings.exe"
    1⤵
    • Checks whether UAC is enabled
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1836
    • 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=MicrosoftSettings.exe --webview-exe-version=1.1.3 --user-data-dir="C:\Users\Admin\AppData\Local\com.microsoft.msrec.installer\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=1836.5160.3588216792064957273 /pfhostedapp:17c2622315636f2cc9b09993e3da6342daf79021
      2⤵
      • Enumerates system info in registry
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of WriteProcessMemory
      PID:5568
      • 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\com.microsoft.msrec.installer\EBWebView /prefetch:4 /pfhostedapp:17c2622315636f2cc9b09993e3da6342daf79021 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\com.microsoft.msrec.installer\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,0x160,0x194,0x7ffa47fb5fd8,0x7ffa47fb5fe4,0x7ffa47fb5ff0
        3⤵
          PID:2668
        • 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\com.microsoft.msrec.installer\EBWebView" --webview-exe-name=MicrosoftSettings.exe --webview-exe-version=1.1.3 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=1768 --field-trial-handle=1776,i,9764618535269093161,17101202843640382504,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:2 /pfhostedapp:17c2622315636f2cc9b09993e3da6342daf79021
          3⤵
            PID:2804
          • 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\com.microsoft.msrec.installer\EBWebView" --webview-exe-name=MicrosoftSettings.exe --webview-exe-version=1.1.3 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --mojo-platform-channel-handle=2252 --field-trial-handle=1776,i,9764618535269093161,17101202843640382504,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:3 /pfhostedapp:17c2622315636f2cc9b09993e3da6342daf79021
            3⤵
              PID:3856
            • 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\com.microsoft.msrec.installer\EBWebView" --webview-exe-name=MicrosoftSettings.exe --webview-exe-version=1.1.3 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --mojo-platform-channel-handle=2328 --field-trial-handle=1776,i,9764618535269093161,17101202843640382504,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:8 /pfhostedapp:17c2622315636f2cc9b09993e3da6342daf79021
              3⤵
                PID:4344
              • 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\com.microsoft.msrec.installer\EBWebView" --webview-exe-name=MicrosoftSettings.exe --webview-exe-version=1.1.3 --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=3336 --field-trial-handle=1776,i,9764618535269093161,17101202843640382504,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /pfhostedapp:17c2622315636f2cc9b09993e3da6342daf79021 /prefetch:1
                3⤵
                  PID:3388
              • C:\Users\Admin\AppData\Local\Temp\msrec-sidecar-1836.exe
                "C:\Users\Admin\AppData\Local\Temp\msrec-sidecar-1836.exe"
                2⤵
                • Executes dropped EXE
                PID:4080
              • C:\Program Files\WindowsApps\Microsoft.MSRecommendationApp_1.1.3.0_x64__8wekyb3d8bbwe\MSRecommendationApp.exe
                "C:\Program Files\WindowsApps\Microsoft.MSRecommendationApp_1.1.3.0_x64__8wekyb3d8bbwe\MSRecommendationApp.exe" microsoft-msrecommendationapp:
                2⤵
                • Adds Run key to start application
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of FindShellTrayWindow
                • Suspicious use of WriteProcessMemory
                PID:5180
                • C:\Users\Admin\AppData\Local\Temp\msrdcdae6a1a-0f00-41ff-b3c1-ecbab2203cf4\MSRecommendationDaemon.exe
                  "C:\Users\Admin\AppData\Local\Temp\msrdcdae6a1a-0f00-41ff-b3c1-ecbab2203cf4\MSRecommendationDaemon.exe"
                  3⤵
                  • Executes dropped EXE
                  • Modifies registry class
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1720
            • C:\Windows\system32\wevtutil.exe
              "C:\Windows\system32\wevtutil.exe" install-manifest "C:\Program Files\WindowsApps\Microsoft.WindowsAppRuntime.1.7_7000.522.1444.0_x64__8wekyb3d8bbwe\EventLog-Instrumentation.man" /resourceFilePath:"C:\Program Files\WindowsApps\Microsoft.WindowsAppRuntime.1.7_7000.522.1444.0_x64__8wekyb3d8bbwe\WindowsAppSdk.AppxDeploymentExtensions.Desktop-EventLog-Instrumentation.dll" /messageFilePath:"C:\Program Files\WindowsApps\Microsoft.WindowsAppRuntime.1.7_7000.522.1444.0_x64__8wekyb3d8bbwe\WindowsAppSdk.AppxDeploymentExtensions.Desktop-EventLog-Instrumentation.dll" /unicode:true
              1⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:5580
            • C:\Users\Admin\AppData\Local\Temp\msrdcdae6a1a-0f00-41ff-b3c1-ecbab2203cf4\MSRecommendationDaemon.exe
              C:\Users\Admin\AppData\Local\Temp\msrdcdae6a1a-0f00-41ff-b3c1-ecbab2203cf4\MSRecommendationDaemon.exe
              1⤵
              • Executes dropped EXE
              PID:1616

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  MSRecommendationDaemon.exe

                  • Path C:\Users\Admin\AppData\Local\Temp\msrdcdae6a1a-0f00-41ff-b3c1-ecbab2203cf4\MSRecommendationDaemon.exe
                  • Size 79KB
                  • SHA256 541cd0b94d57b0cbcd29a366daf0fdfcb4938fe9b906e5484ae2717236298c97
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  msrec-app-1836.msix

                  • Path C:\Users\Admin\AppData\Local\Temp\msrec-app-1836.msix
                  • Size 13.3MB
                  • SHA256 ba4c7dc0a0dc682c8116d9b28bcecd7ae5b087d4562a6ef2bdef510831fdbb70
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  msrec-sidecar-1836.exe

                  • Path C:\Users\Admin\AppData\Local\Temp\msrec-sidecar-1836.exe
                  • Size 8.8MB
                  • SHA256 9831634e370e1f76e2c2a40853a55e86b9ca210cadecb40efed666f7bc111d79
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\com.microsoft.msrec.installer\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 b4f30d135b004f3c1be90965ce7dac4a33b3e8fea490f297bbbaf131d8ec0553
                  • MD5 SHA1 SHA512 TLSH

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\com.microsoft.msrec.installer\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 df0261b0523f5d929d79ed0b001c4609954f180c9ac05ac8252842be0f2e758e
                  • MD5 SHA1 SHA512

                  throttle_store.dat

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

                  the-real-index

                  • Path C:\Users\Admin\AppData\Local\com.microsoft.msrec.installer\EBWebView\Default\Code Cache\js\index-dir\the-real-index
                  • Size 72B
                  • SHA256 59b4c61d9664a3c047a48c1d7224366c1710602ed9e46fc6bc4425b10f671dad
                  • MD5 SHA1 SHA512 TLSH

                  the-real-index~RFe599bb9.TMP

                  • Path C:\Users\Admin\AppData\Local\com.microsoft.msrec.installer\EBWebView\Default\Code Cache\js\index-dir\the-real-index~RFe599bb9.TMP
                  • Size 48B
                  • SHA256 19a0ad0894088f02473397bfacffc1d7a59329879d478d66941a4811f4d3988d
                  • MD5 SHA1 SHA512

                  CURRENT

                  • Path C:\Users\Admin\AppData\Local\com.microsoft.msrec.installer\EBWebView\Default\Extension Rules\CURRENT
                  • Size 16B
                  • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
                  • MD5 SHA1 SHA512

                  MANIFEST-000001

                  • Path C:\Users\Admin\AppData\Local\com.microsoft.msrec.installer\EBWebView\Default\Extension Scripts\MANIFEST-000001
                  • Size 41B
                  • SHA256 f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4
                  • MD5 SHA1 SHA512

                  SCT Auditing Pending Reports

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

                  Preferences

                  • Path C:\Users\Admin\AppData\Local\com.microsoft.msrec.installer\EBWebView\Default\Preferences
                  • Size 6KB
                  • SHA256 da2d5977a5d6cdb90aa935da574f5fd384306c5835dcd4479aeda4da0b8b2a51
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  Preferences~RFe599bb9.TMP

                  • Path C:\Users\Admin\AppData\Local\com.microsoft.msrec.installer\EBWebView\Default\Preferences~RFe599bb9.TMP
                  • Size 6KB
                  • SHA256 4849605bbd07cdcf06441211643edbedc1942c36115afb7566651861f01faf89
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  data_0

                  • Path C:\Users\Admin\AppData\Local\com.microsoft.msrec.installer\EBWebView\GraphiteDawnCache\data_0
                  • Size 8KB
                  • SHA256 d6a5fe39cd672781b256e0e3102f7022635f1d4bb7cfcc90a80fffe4d0f3877e
                  • MD5 SHA1 SHA512 SSDEEP

                  data_1

                  • Path C:\Users\Admin\AppData\Local\com.microsoft.msrec.installer\EBWebView\GraphiteDawnCache\data_1
                  • Size 264KB
                  • SHA256 902f30c1fb0597d0734bc34b979ec5d131f8f39a4b71b338083821216ec8d61b
                  • MD5 SHA1 SHA512 SSDEEP

                  data_2

                  • Path C:\Users\Admin\AppData\Local\com.microsoft.msrec.installer\EBWebView\GraphiteDawnCache\data_2
                  • Size 8KB
                  • SHA256 ec1702806f4cc7c42a82fc2b38e89835fde7c64bb32060e0823c9077ca92efb7
                  • MD5 SHA1 SHA512 SSDEEP

                  data_3

                  • Path C:\Users\Admin\AppData\Local\com.microsoft.msrec.installer\EBWebView\GraphiteDawnCache\data_3
                  • Size 8KB
                  • SHA256 e09f42c398d688dce168570291f1f92d079987deda3099a34adb9e8c0522b30c
                  • MD5 SHA1 SHA512 SSDEEP

                  Local State

                  • Path C:\Users\Admin\AppData\Local\com.microsoft.msrec.installer\EBWebView\Local State
                  • Size 16KB
                  • SHA256 3e23516413438234ff0cc98be17703aa4013d0219f4b3ae8dddd92b826880d51
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\com.microsoft.msrec.installer\EBWebView\Local State
                  • Size 2KB
                  • SHA256 7dadd9dbe3cfeb8815381a38294540d4925c7e850829ce75e55ac2351804097b
                  • MD5 SHA1 SHA512 TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\com.microsoft.msrec.installer\EBWebView\Local State
                  • Size 3KB
                  • SHA256 9f1803f562075dc55a33f002e21a7c6cc7985d6e1a121f62d4d413eebce9f1f3
                  • MD5 SHA1 SHA512 TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\com.microsoft.msrec.installer\EBWebView\Local State
                  • Size 15KB
                  • SHA256 60a8a310e334ad8fde9076210855e4864609626402cb1596bba206e29d9836cf
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  Local State~RFe5973ee.TMP

                  • Path C:\Users\Admin\AppData\Local\com.microsoft.msrec.installer\EBWebView\Local State~RFe5973ee.TMP
                  • Size 1KB
                  • SHA256 7686ce3e74ee128caca7ca44fb4779b13db4db2543fd9c2c827292daa04de948
                  • MD5 SHA1 SHA512 TLSH

                  memory/1720-354-0x000002A112290000-0x000002A11229A000-memory.dmp

                  memory/1720-295-0x000002A110570000-0x000002A110588000-memory.dmp

                  memory/1720-356-0x000002A112300000-0x000002A112326000-memory.dmp

                  memory/1720-353-0x000002A12B670000-0x000002A12BB98000-memory.dmp

                  memory/1720-297-0x000002A12AE20000-0x000002A12AFE2000-memory.dmp

                  memory/1720-355-0x000002A1122A0000-0x000002A1122A8000-memory.dmp

                  memory/2804-26-0x00007FFA68AC0000-0x00007FFA68AC1000-memory.dmp

                  memory/2804-290-0x00000208DCD00000-0x00000208DCDD6000-memory.dmp

                  memory/3388-293-0x00000132BEDA0000-0x00000132BEE76000-memory.dmp

                  memory/3388-63-0x00007FFA68AC0000-0x00007FFA68AC1000-memory.dmp

                  memory/4080-180-0x0000028C026A0000-0x0000028C026B0000-memory.dmp

                  memory/5180-193-0x000001D640CE0000-0x000001D640CF0000-memory.dmp