Analysis

  • user interaction
    yes
  • max time kernel
    14s
  • max time network
    17s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    30/09/2026, 15:21

General

  • Target
    weblauncher.exe
  • Size 13.3MB
  • Sample260930-srpemsbd37
  • SHA256 5d756c3d6ef2776b574a69c5096b065531be128b78f579017e08ca7c60e7d181
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Network Share Discovery 1 TTPs

    Attempt to gather information on host network.

  • Drops file in System32 directory 11 IoCs
  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\weblauncher.exe
    "C:\Users\Admin\AppData\Local\Temp\weblauncher.exe"
    1⤵
    • Checks whether UAC is enabled
    • Reads the TCP/IP host and domain name from the registry
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2752
    • 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=weblauncher.exe --webview-exe-version=2.1.5 --user-data-dir="C:\Users\Admin\AppData\Local\com.casualdev.weblauncher\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=2752.4320.16099846257863261187
      2⤵
      • Enumerates system info in registry
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of WriteProcessMemory
      PID:3408
      • 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.casualdev.weblauncher\EBWebView /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\com.casualdev.weblauncher\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=0x160,0x164,0x168,0x13c,0x104,0x7ffa4262b078,0x7ffa4262b084,0x7ffa4262b090
        3⤵
          PID:5116
        • 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.casualdev.weblauncher\EBWebView" --webview-exe-name=weblauncher.exe --webview-exe-version=2.1.5 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --gpu-preferences=UAAAAAAAAADgAAAEAAAAAAAAAAAAAAAAAABgAAEAAAAAAAAAAAAAAAAAAAACAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAEAAAAAAAAAAIAAAAAAAAAAgAAAAAAAAA --always-read-main-dll --field-trial-handle=1724,i,17469840770597865320,11556345768848810452,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=1716 /prefetch:2
          3⤵
            PID:1768
          • 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.casualdev.weblauncher\EBWebView" --webview-exe-name=weblauncher.exe --webview-exe-version=2.1.5 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --always-read-main-dll --field-trial-handle=2032,i,17469840770597865320,11556345768848810452,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=2040 /prefetch:3
            3⤵
              PID:2680
            • 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.casualdev.weblauncher\EBWebView" --webview-exe-name=weblauncher.exe --webview-exe-version=2.1.5 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --always-read-main-dll --field-trial-handle=2360,i,17469840770597865320,11556345768848810452,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=2372 /prefetch:8
              3⤵
                PID:3208
              • 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.casualdev.weblauncher\EBWebView" --webview-exe-name=weblauncher.exe --webview-exe-version=2.1.5 --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=3604,i,17469840770597865320,11556345768848810452,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=3612 /prefetch:1
                3⤵
                  PID:3928
            • C:\Windows\system32\mspaint.exe
              "C:\Windows\system32\mspaint.exe" "C:\Users\Admin\Desktop\ConfirmFind.png" /ForceBootstrapPaint3D
              1⤵
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of SetWindowsHookEx
              PID:2576
            • C:\Windows\System32\svchost.exe
              C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s DsSvc
              1⤵
              • Drops file in System32 directory
              PID:3988
            • C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe
              "C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe"
              1⤵
              • Modifies registry class
              • Suspicious behavior: AddClipboardFormatListener
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of SetWindowsHookEx
              PID:3112

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  Projects.json

                  • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.MSPaint_8wekyb3d8bbwe\LocalState\Projects\Projects.json
                  • Size 238B
                  • SHA256 c61905237a87f3f069ed771e5c184966775168d06a148df1adcf3e84e33614f8
                  • MD5 SHA1 SHA512 TLSH

                  cloudCommunitySettings.json

                  • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.MSPaint_8wekyb3d8bbwe\LocalState\cloudCommunitySettings.json
                  • Size 2KB
                  • SHA256 52bfb22aa2d7b0ce083d312fb8fa8dcda3063207186f99fc259aebd9064cbedc
                  • MD5 SHA1 SHA512 TLSH

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\com.casualdev.weblauncher\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 a39fdb406f0b49ae5e472376e38464be8a26f47b22c6b081829f7fff60170205
                  • MD5 SHA1 SHA512 TLSH

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\com.casualdev.weblauncher\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 0dc1413e29726b560bce922ce62bc50c82b8709c07c61d829b42b986e7bcc5d4
                  • MD5 SHA1 SHA512 TLSH

                  throttle_store.dat

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

                  the-real-index

                  • Path C:\Users\Admin\AppData\Local\com.casualdev.weblauncher\EBWebView\Default\Code Cache\js\index-dir\the-real-index
                  • Size 48B
                  • SHA256 0f7781fc883a46e69fba739ffeb396f307bfdac27a93db2ed0558e27adeae296
                  • MD5 SHA1 SHA512

                  the-real-index

                  • Path C:\Users\Admin\AppData\Local\com.casualdev.weblauncher\EBWebView\Default\Code Cache\js\index-dir\the-real-index
                  • Size 72B
                  • SHA256 eaa1eb129d382edb056c34189a995a555e959295be8c6defaed5a225ad5137ca
                  • MD5 SHA1 SHA512 TLSH

                  data_0

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

                  data_1

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

                  data_2

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

                  data_3

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

                  MANIFEST-000001

                  • Path C:\Users\Admin\AppData\Local\com.casualdev.weblauncher\EBWebView\Default\Extension Rules\MANIFEST-000001
                  • Size 41B
                  • SHA256 f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4
                  • MD5 SHA1 SHA512

                  SCT Auditing Pending Reports

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

                  CURRENT

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

                  Local State

                  • Path C:\Users\Admin\AppData\Local\com.casualdev.weblauncher\EBWebView\Local State
                  • Size 1KB
                  • SHA256 0d7357b43bf643d04341216362cb5e14a50ba830ce575b67b06a858db862afdb
                  • MD5 SHA1 SHA512 TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\com.casualdev.weblauncher\EBWebView\Local State
                  • Size 2KB
                  • SHA256 f7ed21b1243a2784be3ec8d6a0dc3435a502e267abc07a9a29f08c687e348d66
                  • MD5 SHA1 SHA512 TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\com.casualdev.weblauncher\EBWebView\Local State
                  • Size 3KB
                  • SHA256 131af482978133dff9ea2c455bc31acb663d3bdfe4be7d683413ada18d486442
                  • MD5 SHA1 SHA512 TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\com.casualdev.weblauncher\EBWebView\Local State
                  • Size 4KB
                  • SHA256 ddb4509c972073579ca37950bc006bbee9733e912afb59ce7a85f12cc63156cb
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  Local State~RFe585cc1.TMP

                  • Path C:\Users\Admin\AppData\Local\com.casualdev.weblauncher\EBWebView\Local State~RFe585cc1.TMP
                  • Size 1KB
                  • SHA256 3f5d2cd4c1762140a8dd17cc56c492f940fe080b4787bbd49b6e755ec771f5e1
                  • MD5 SHA1 SHA512 TLSH

                  configuration.json

                  • Path C:\Users\Admin\AppData\Roaming\weblauncher\core\configuration.json
                  • Size 1KB
                  • SHA256 d9e00fd5bb4e82438dd99bba80b1ccb73d8a93110f60df73e706f0101a390499
                  • MD5 SHA1 SHA512 TLSH

                  memory/1768-25-0x00007FFA5EA90000-0x00007FFA5EA91000-memory.dmp

                  memory/3208-58-0x00007FFA5D8B0000-0x00007FFA5D8B1000-memory.dmp

                  memory/3208-68-0x000001D5C45A0000-0x000001D5C45A1000-memory.dmp

                  memory/3208-330-0x000001D5C4570000-0x000001D5C459B000-memory.dmp

                  memory/3928-127-0x00007FFA5EA90000-0x00007FFA5EA91000-memory.dmp

                  memory/3988-340-0x000001B2CC770000-0x000001B2CC780000-memory.dmp

                  memory/3988-349-0x000001B2DD430000-0x000001B2DD431000-memory.dmp

                  memory/3988-351-0x000001B2DD430000-0x000001B2DD431000-memory.dmp

                  memory/3988-352-0x000001B2DD4C0000-0x000001B2DD4C1000-memory.dmp

                  memory/3988-353-0x000001B2DD4C0000-0x000001B2DD4C1000-memory.dmp

                  memory/3988-354-0x000001B2DD4D0000-0x000001B2DD4D1000-memory.dmp

                  memory/3988-355-0x000001B2DD4D0000-0x000001B2DD4D1000-memory.dmp

                  memory/3988-347-0x000001B2DD3B0000-0x000001B2DD3B1000-memory.dmp

                  memory/3988-336-0x000001B2CC730000-0x000001B2CC740000-memory.dmp