Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    08/08/2026, 12:17

General

  • Target
    murmr-app.exe
  • Size 16.6MB
  • Sample260808-pf5qpser71
  • SHA256 3ae4e15b254727f07524f8d1e1144d19305465dc519efea74641f1cce3c9c688
  • 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 16 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\murmr-app.exe
    "C:\Users\Admin\AppData\Local\Temp\murmr-app.exe"
    1⤵
    • Checks whether UAC is enabled
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:5992
    • 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=murmr-app.exe --webview-exe-version=0.1.0 --user-data-dir="C:\Users\Admin\AppData\Local\com.quantops.murmr\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=5992.4392.8942749151544024078 /pfhostedapp:50143d7230548a9da218476c517e8c87949ff841
      2⤵
      • Drops file in Windows directory
      • Enumerates system info in registry
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of WriteProcessMemory
      PID:4340
      • 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.quantops.murmr\EBWebView /prefetch:4 /pfhostedapp:50143d7230548a9da218476c517e8c87949ff841 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\com.quantops.murmr\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=0x188,0x18c,0x190,0x184,0x12c,0x7ffa42bd5fd8,0x7ffa42bd5fe4,0x7ffa42bd5ff0
        3⤵
          PID:1208
        • 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.quantops.murmr\EBWebView" --webview-exe-name=murmr-app.exe --webview-exe-version=0.1.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=1752 --field-trial-handle=1740,i,11327286014360737650,4426579390774552352,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:2 /pfhostedapp:50143d7230548a9da218476c517e8c87949ff841
          3⤵
            PID:5352
          • 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.quantops.murmr\EBWebView" --webview-exe-name=murmr-app.exe --webview-exe-version=0.1.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --mojo-platform-channel-handle=2236 --field-trial-handle=1740,i,11327286014360737650,4426579390774552352,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:3 /pfhostedapp:50143d7230548a9da218476c517e8c87949ff841
            3⤵
              PID:4820
            • 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.quantops.murmr\EBWebView" --webview-exe-name=murmr-app.exe --webview-exe-version=0.1.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --mojo-platform-channel-handle=2264 --field-trial-handle=1740,i,11327286014360737650,4426579390774552352,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:8 /pfhostedapp:50143d7230548a9da218476c517e8c87949ff841
              3⤵
                PID:2256
              • 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.quantops.murmr\EBWebView" --webview-exe-name=murmr-app.exe --webview-exe-version=0.1.0 --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=3444 --field-trial-handle=1740,i,11327286014360737650,4426579390774552352,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /pfhostedapp:50143d7230548a9da218476c517e8c87949ff841 /prefetch:1
                3⤵
                  PID:6024
                • 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\com.quantops.murmr\EBWebView" --webview-exe-name=murmr-app.exe --webview-exe-version=0.1.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --mojo-platform-channel-handle=1260 --field-trial-handle=1740,i,11327286014360737650,4426579390774552352,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:8 /pfhostedapp:50143d7230548a9da218476c517e8c87949ff841
                  3⤵
                    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=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\com.quantops.murmr\EBWebView" --webview-exe-name=murmr-app.exe --webview-exe-version=0.1.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --gpu-preferences=WAAAAAAAAADoAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAABEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=820 --field-trial-handle=1740,i,11327286014360737650,4426579390774552352,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:8 /pfhostedapp:50143d7230548a9da218476c517e8c87949ff841
                    3⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:5736
                  • 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\com.quantops.murmr\EBWebView" --webview-exe-name=murmr-app.exe --webview-exe-version=0.1.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --mojo-platform-channel-handle=4144 --field-trial-handle=1740,i,11327286014360737650,4426579390774552352,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:8 /pfhostedapp:50143d7230548a9da218476c517e8c87949ff841
                    3⤵
                      PID:2744

                Network

                      MITRE ATT&CK Enterprise v16

                      Replay Monitor

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                      Downloads

                      settings.dat

                      • Path C:\Users\Admin\AppData\Local\com.quantops.murmr\EBWebView\Crashpad\settings.dat
                      • Size 280B
                      • SHA256 ed1a17d77025e7d5a76ae494bf356ee8ea33a19dde6188871c9c9d3a2d09b257
                      • MD5 SHA1 SHA512 TLSH

                      settings.dat

                      • Path C:\Users\Admin\AppData\Local\com.quantops.murmr\EBWebView\Crashpad\settings.dat
                      • Size 280B
                      • SHA256 259ce430e82a6189ff761ac7c104ab578422a63bd672c0bff2e9739310334be3
                      • MD5 SHA1 SHA512 TLSH

                      throttle_store.dat

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

                      Network Persistent State

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

                      Network Persistent State~RFe5aba68.TMP

                      • Path C:\Users\Admin\AppData\Local\com.quantops.murmr\EBWebView\Default\Network\Network Persistent State~RFe5aba68.TMP
                      • Size 59B
                      • SHA256 226eec4486509917aa336afebd6ff65777b75b65f1fb06891d2a857a9421a974
                      • MD5 SHA1 SHA512 TLSH

                      SCT Auditing Pending Reports

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

                      Preferences

                      • Path C:\Users\Admin\AppData\Local\com.quantops.murmr\EBWebView\Default\Preferences
                      • Size 6KB
                      • SHA256 630521e120392a674da45196fb71344e2c9e4245966ba8b94b050098ad9c691c
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      CURRENT

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

                      MANIFEST-000001

                      • Path C:\Users\Admin\AppData\Local\com.quantops.murmr\EBWebView\Default\Site Characteristics Database\MANIFEST-000001
                      • Size 41B
                      • SHA256 f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4
                      • MD5 SHA1 SHA512

                      cf28e76f-717d-48a0-97c1-3729b27a3e42.tmp

                      • Path C:\Users\Admin\AppData\Local\com.quantops.murmr\EBWebView\Default\cf28e76f-717d-48a0-97c1-3729b27a3e42.tmp
                      • Size 6KB
                      • SHA256 ae0c5a2e79bee1015df9041d111367ebd1f9b2d6158a2c11a26b11fcd517ae44
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      data_0

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

                      data_1

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

                      data_2

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

                      data_3

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

                      Local State

                      • Path C:\Users\Admin\AppData\Local\com.quantops.murmr\EBWebView\Local State
                      • Size 2KB
                      • SHA256 019be0c9fd9d09d8361a49c7a0ddb425e308a004e7d1f68d2d1231b2a5061564
                      • MD5 SHA1 SHA512 TLSH

                      Local State

                      • Path C:\Users\Admin\AppData\Local\com.quantops.murmr\EBWebView\Local State
                      • Size 3KB
                      • SHA256 ba59dc40e403cab56e8b3d9bb5b04539ce9e659cb1e4beb1a23022cdeb7eb5ca
                      • MD5 SHA1 SHA512 TLSH

                      Local State

                      • Path C:\Users\Admin\AppData\Local\com.quantops.murmr\EBWebView\Local State
                      • Size 15KB
                      • SHA256 da59c81609f87c376af7e59f04979a111f614ec7e3000e0b3dfc0f2e7c252bbc
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      Local State~RFe598f65.TMP

                      • Path C:\Users\Admin\AppData\Local\com.quantops.murmr\EBWebView\Local State~RFe598f65.TMP
                      • Size 1KB
                      • SHA256 b5529ffb8240da8a2aac991fa5cca3b1403ff30839614b678292fbbb310ab5de
                      • MD5 SHA1 SHA512 TLSH

                      memory/2584-217-0x00007FFA66420000-0x00007FFA66421000-memory.dmp

                      memory/2584-216-0x00007FFA66410000-0x00007FFA66411000-memory.dmp

                      memory/5352-28-0x00007FFA65620000-0x00007FFA65621000-memory.dmp

                      memory/5736-242-0x000001BDA3750000-0x000001BDA3751000-memory.dmp

                      memory/5736-248-0x000001BDA3750000-0x000001BDA3751000-memory.dmp

                      memory/5736-249-0x000001BDA3750000-0x000001BDA3751000-memory.dmp

                      memory/5736-252-0x000001BDA3750000-0x000001BDA3751000-memory.dmp

                      memory/5736-253-0x000001BDA3750000-0x000001BDA3751000-memory.dmp

                      memory/5736-251-0x000001BDA3750000-0x000001BDA3751000-memory.dmp

                      memory/5736-250-0x000001BDA3750000-0x000001BDA3751000-memory.dmp

                      memory/5736-244-0x000001BDA3750000-0x000001BDA3751000-memory.dmp

                      memory/6024-104-0x00007FFA65620000-0x00007FFA65621000-memory.dmp