Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-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 Program Files directory 63 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 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 20 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:1516
    • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
      "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\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 --autoplay-policy=no-user-gesture-required --disable-features=msWebOOUI,msPdfOOUI,msSmartScreenProtection --lang=en-US --mojo-named-platform-channel-pipe=1516.2272.16750862903591576526
      2⤵
      • Drops file in Program Files directory
      • Enumerates system info in registry
      • Modifies data under HKEY_USERS
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of WriteProcessMemory
      PID:4392
      • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
        "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=crashpad-handler --user-data-dir=C:\Users\Admin\AppData\Local\com.quantops.murmr\EBWebView /prefetch:4 --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=132.0.6834.160 "--annotation=exe=C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --annotation=plat=Win64 "--annotation=prod=Edge WebView2" --annotation=ver=132.0.2957.140 --initial-client-data=0x15c,0x160,0x164,0x138,0x16c,0x7fff5832b078,0x7fff5832b084,0x7fff5832b090
        3⤵
          PID:4504
        • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
          "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=gpu-process --string-annotations --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 --gpu-preferences=UAAAAAAAAADgAAAEAAAAAAAAAAAAAAAAAABgAAEAAAAAAAAAAAAAAAAAAAACAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAEAAAAAAAAAAIAAAAAAAAAAgAAAAAAAAA --always-read-main-dll --field-trial-handle=1708,i,12796229509868039328,6288630422714886208,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=1704 /prefetch:2
          3⤵
            PID:3324
          • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
            "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --string-annotations --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 --always-read-main-dll --field-trial-handle=2052,i,12796229509868039328,6288630422714886208,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=2064 /prefetch:3
            3⤵
              PID:472
            • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
              "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --string-annotations --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 --always-read-main-dll --field-trial-handle=1748,i,12796229509868039328,6288630422714886208,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=2388 /prefetch:8
              3⤵
                PID:4428
              • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
                "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=renderer --string-annotations --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 --autoplay-policy=no-user-gesture-required --video-capture-use-gpu-memory-buffer --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=" --always-read-main-dll --field-trial-handle=3680,i,12796229509868039328,6288630422714886208,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=3688 /prefetch:1
                3⤵
                  PID:2916
                • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
                  "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --string-annotations --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 --always-read-main-dll --field-trial-handle=4496,i,12796229509868039328,6288630422714886208,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=4528 /prefetch:8
                  3⤵
                    PID:3820
                  • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
                    "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --string-annotations --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 --always-read-main-dll --field-trial-handle=4456,i,12796229509868039328,6288630422714886208,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=4544 /prefetch:8
                    3⤵
                      PID:2984
                    • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
                      "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --string-annotations --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 --always-read-main-dll --field-trial-handle=756,i,12796229509868039328,6288630422714886208,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=4660 /prefetch:8
                      3⤵
                        PID:3376
                      • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
                        "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\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=10.0.19041.546 --string-annotations --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 --gpu-preferences=UAAAAAAAAADoAAAEAAAAAAAAAAAAAAAAAABgAAEAAAAAAAAAAAAAAAAAAABCAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAEAAAAAAAAAAIAAAAAAAAAAgAAAAAAAAA --always-read-main-dll --field-trial-handle=3740,i,12796229509868039328,6288630422714886208,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=4584 /prefetch:8
                        3⤵
                        • Suspicious behavior: EnumeratesProcesses
                        PID:4448
                      • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
                        "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --string-annotations --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 --always-read-main-dll --field-trial-handle=4552,i,12796229509868039328,6288630422714886208,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=4572 /prefetch:8
                        3⤵
                          PID:4424

                    Network

                          MITRE ATT&CK Enterprise v16

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          manifest.json

                          • Path C:\Program Files\chrome_Unpacker_BeginUnzipping4392_169766519\manifest.json
                          • Size 113B
                          • SHA256 98821f71a1973ac61b45967ce0c121eb598ac6e95abaa23c912d2f33e4237d8c
                          • MD5 SHA1 SHA512 TLSH

                          manifest.fingerprint

                          • Path C:\Program Files\chrome_Unpacker_BeginUnzipping4392_513866629\manifest.fingerprint
                          • Size 66B
                          • SHA256 e84df839eb3dee2a10ba66de65c372c6e2bba0cbab46a39af041f4eeaab1ffe8
                          • MD5 SHA1 SHA512 TLSH

                          manifest.json

                          • Path C:\Program Files\chrome_Unpacker_BeginUnzipping4392_513866629\manifest.json
                          • Size 135B
                          • SHA256 bf066a2cf10074e847bef7c066a9c84deada6586412e181cb417c6426a5d60a4
                          • MD5 SHA1 SHA512 TLSH

                          protocols.json

                          • Path C:\Users\Admin\AppData\Local\com.quantops.murmr\EBWebView\AutoLaunchProtocolsComponent\1.0.0.12\protocols.json
                          • Size 3KB
                          • SHA256 2edf732da5fd827859e7a1a5b69a4a622cfc416f60a6ae04154d5aad3a1bccec
                          • MD5 SHA1 SHA512 TLSH

                          crl-set

                          • Path C:\Users\Admin\AppData\Local\com.quantops.murmr\EBWebView\CertificateRevocation\6498.2025.9.4\crl-set
                          • Size 22KB
                          • SHA256 6ddcaf50aaff98b960d067054ce2ce17872ac0719d02abbb7fe56b9eabc818f2
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          settings.dat

                          • Path C:\Users\Admin\AppData\Local\com.quantops.murmr\EBWebView\Crashpad\settings.dat
                          • Size 280B
                          • SHA256 b334902b0549e775ff8d2167b2c1f874e55b7217aff63262c19c95336f7794c9
                          • MD5 SHA1 SHA512 TLSH

                          settings.dat

                          • Path C:\Users\Admin\AppData\Local\com.quantops.murmr\EBWebView\Crashpad\settings.dat
                          • Size 280B
                          • SHA256 d52a7411c2e1c7245dea2812fdc68113550154343057428900119e6b9f87f1e2
                          • MD5 SHA1 SHA512

                          throttle_store.dat

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

                          data_0

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

                          data_1

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

                          data_2

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

                          data_3

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

                          MANIFEST-000001

                          • Path C:\Users\Admin\AppData\Local\com.quantops.murmr\EBWebView\Default\Extension Rules\MANIFEST-000001
                          • Size 41B
                          • SHA256 f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4
                          • 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~RFe597361.TMP

                          • Path C:\Users\Admin\AppData\Local\com.quantops.murmr\EBWebView\Default\Network\Network Persistent State~RFe597361.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 6c3e921ca1e7fe989d51bc4d424fdf237723d32a7da773440fdf723ba6fdb0d2
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          Preferences~RFe58eb65.TMP

                          • Path C:\Users\Admin\AppData\Local\com.quantops.murmr\EBWebView\Default\Preferences~RFe58eb65.TMP
                          • Size 6KB
                          • SHA256 57e653dd692661d1b61c058dd2602435188ed04180927cd20110ca0632ef4bfe
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          CURRENT

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

                          Local State

                          • Path C:\Users\Admin\AppData\Local\com.quantops.murmr\EBWebView\Local State
                          • Size 1KB
                          • SHA256 57b2f3b85f807934ff07d68bdf870cb4cc5b2a39ca881bb30e5bdbd071f3c530
                          • MD5 SHA1 SHA512 TLSH

                          Local State

                          • Path C:\Users\Admin\AppData\Local\com.quantops.murmr\EBWebView\Local State
                          • Size 2KB
                          • SHA256 5b0623e21177ae3a77cde9e98f1b988ce7b61c395a1b374f36d122a7b613af5d
                          • MD5 SHA1 SHA512 TLSH

                          Local State

                          • Path C:\Users\Admin\AppData\Local\com.quantops.murmr\EBWebView\Local State
                          • Size 16KB
                          • SHA256 967c9a784dd8285897e97103baab05d4169957d029d6a4c0d39845b443a917dc
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          Local State

                          • Path C:\Users\Admin\AppData\Local\com.quantops.murmr\EBWebView\Local State
                          • Size 3KB
                          • SHA256 2d7ba3386822a34dcd57af7ca5f9b268b47fd0908065aac28c50519e8f0dd842
                          • MD5 SHA1 SHA512 TLSH

                          Local State~RFe584bd9.TMP

                          • Path C:\Users\Admin\AppData\Local\com.quantops.murmr\EBWebView\Local State~RFe584bd9.TMP
                          • Size 1KB
                          • SHA256 db844421f80665ca3bcf846985ab2400663012730b8e88979b3c6c0659dc7561
                          • MD5 SHA1 SHA512 TLSH

                          manifest.json

                          • Path C:\Users\Admin\AppData\Local\com.quantops.murmr\EBWebView\OriginTrials\0.0.1.7\manifest.json
                          • Size 43B
                          • SHA256 81bd82ac27612a58be30a72dd8956b13f883e32ffb54a58076bd6a42b8afaeea
                          • MD5 SHA1 SHA512

                          memory/2916-153-0x00007FFF73E00000-0x00007FFF73E01000-memory.dmp

                          memory/2916-225-0x000001BE13540000-0x000001BE135EC000-memory.dmp

                          memory/3324-436-0x000001C43AF90000-0x000001C43B03C000-memory.dmp

                          memory/3324-208-0x000001C43AF90000-0x000001C43B03C000-memory.dmp

                          memory/3324-27-0x00007FFF73E00000-0x00007FFF73E01000-memory.dmp

                          memory/4428-57-0x00007FFF73A90000-0x00007FFF73A91000-memory.dmp

                          memory/4428-56-0x00007FFF755D0000-0x00007FFF755D1000-memory.dmp

                          memory/4448-352-0x000002126E130000-0x000002126E131000-memory.dmp

                          memory/4448-354-0x000002126E130000-0x000002126E131000-memory.dmp

                          memory/4448-364-0x000002126E130000-0x000002126E131000-memory.dmp

                          memory/4448-363-0x000002126E130000-0x000002126E131000-memory.dmp

                          memory/4448-362-0x000002126E130000-0x000002126E131000-memory.dmp

                          memory/4448-361-0x000002126E130000-0x000002126E131000-memory.dmp

                          memory/4448-358-0x000002126E130000-0x000002126E131000-memory.dmp

                          memory/4448-360-0x000002126E130000-0x000002126E131000-memory.dmp

                          memory/4448-359-0x000002126E130000-0x000002126E131000-memory.dmp

                          memory/4448-353-0x000002126E130000-0x000002126E131000-memory.dmp