Analysis

  • max time kernel
    58s
  • max time network
    55s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    10/09/2026, 10:09

General

  • Target
    vrcpersona.exe
  • Size 40.7MB
  • Sample260910-l6vrmsvtdv
  • SHA256 b3897ba47aecdead77b7b1132f705998201b1451d53ff2c0d56c075f8ee14cdb
  • 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.

  • Modifies trusted root certificate store through registry 1 TTPs 2 IoCs

    A root certificate was added, modified, or removed in the trusted certificate store registry paths.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\vrcpersona.exe
    "C:\Users\Admin\AppData\Local\Temp\vrcpersona.exe"
    1⤵
    • Checks whether UAC is enabled
    • Modifies trusted root certificate store through registry
    • Modifies system certificate store
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:4584
    • 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=vrcpersona.exe --webview-exe-version=1.0.0 --user-data-dir="C:\Users\Admin\AppData\Local\com.sasaken1102s.vrcpersona\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=4584.4372.10227518275100683959
      2⤵
      • Enumerates system info in registry
      • Modifies data under HKEY_USERS
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of WriteProcessMemory
      PID:3432
      • 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.sasaken1102s.vrcpersona\EBWebView /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\com.sasaken1102s.vrcpersona\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,0x170,0x7ffc3299b078,0x7ffc3299b084,0x7ffc3299b090
        3⤵
          PID:368
        • 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.sasaken1102s.vrcpersona\EBWebView" --webview-exe-name=vrcpersona.exe --webview-exe-version=1.0.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --gpu-preferences=UAAAAAAAAADgAAAEAAAAAAAAAAAAAAAAAABgAAEAAAAAAAAAAAAAAAAAAAACAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAEAAAAAAAAAAIAAAAAAAAAAgAAAAAAAAA --always-read-main-dll --field-trial-handle=1720,i,15494523487900622063,15539312904009588032,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=1716 /prefetch:2
          3⤵
            PID:2688
          • 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.sasaken1102s.vrcpersona\EBWebView" --webview-exe-name=vrcpersona.exe --webview-exe-version=1.0.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --always-read-main-dll --field-trial-handle=2028,i,15494523487900622063,15539312904009588032,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=2040 /prefetch:3
            3⤵
              PID:2588
            • 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.sasaken1102s.vrcpersona\EBWebView" --webview-exe-name=vrcpersona.exe --webview-exe-version=1.0.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --always-read-main-dll --field-trial-handle=2368,i,15494523487900622063,15539312904009588032,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=2384 /prefetch:8
              3⤵
                PID:800
              • 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.sasaken1102s.vrcpersona\EBWebView" --webview-exe-name=vrcpersona.exe --webview-exe-version=1.0.0 --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=3612,i,15494523487900622063,15539312904009588032,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=3620 /prefetch:1
                3⤵
                  PID:1556

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

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                  Downloads

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\com.sasaken1102s.vrcpersona\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 4e2d7b20ca67bfe3daa3a1f0b7f11006aa4159bd644c24700b09a17936eef389
                  • MD5 SHA1 SHA512

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\com.sasaken1102s.vrcpersona\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 4cb0813a2345dc94bd37f37f0f5b0d8fb8ec998a721a79e963f38338027f7d1d
                  • MD5 SHA1 SHA512 TLSH

                  throttle_store.dat

                  • Path C:\Users\Admin\AppData\Local\com.sasaken1102s.vrcpersona\EBWebView\Crashpad\throttle_store.dat
                  • Size 20B
                  • SHA256 41c91a9c93d76295746a149dce7ebb3b9ee2cb551d84365fff108e59a61cc304
                  • MD5 SHA1 SHA512

                  the-real-index

                  • Path C:\Users\Admin\AppData\Local\com.sasaken1102s.vrcpersona\EBWebView\Default\Code Cache\js\index-dir\the-real-index
                  • Size 48B
                  • SHA256 9e8594ab6d832904786680e067cca998d306bfc7cd5bab1482e72b2cd74e597d
                  • MD5 SHA1 SHA512

                  the-real-index

                  • Path C:\Users\Admin\AppData\Local\com.sasaken1102s.vrcpersona\EBWebView\Default\Code Cache\js\index-dir\the-real-index
                  • Size 96B
                  • SHA256 6eb16ece76ea18ec725bb92144b9310d075f9151d6e5549e9236f05befa5b93c
                  • MD5 SHA1 SHA512 TLSH

                  data_0

                  • Path C:\Users\Admin\AppData\Local\com.sasaken1102s.vrcpersona\EBWebView\Default\DawnWebGPUCache\data_0
                  • Size 8KB
                  • SHA256 d6a5fe39cd672781b256e0e3102f7022635f1d4bb7cfcc90a80fffe4d0f3877e
                  • MD5 SHA1 SHA512 SSDEEP

                  data_1

                  • Path C:\Users\Admin\AppData\Local\com.sasaken1102s.vrcpersona\EBWebView\Default\DawnWebGPUCache\data_1
                  • Size 264KB
                  • SHA256 902f30c1fb0597d0734bc34b979ec5d131f8f39a4b71b338083821216ec8d61b
                  • MD5 SHA1 SHA512 SSDEEP

                  data_2

                  • Path C:\Users\Admin\AppData\Local\com.sasaken1102s.vrcpersona\EBWebView\Default\DawnWebGPUCache\data_2
                  • Size 8KB
                  • SHA256 ec1702806f4cc7c42a82fc2b38e89835fde7c64bb32060e0823c9077ca92efb7
                  • MD5 SHA1 SHA512 SSDEEP

                  data_3

                  • Path C:\Users\Admin\AppData\Local\com.sasaken1102s.vrcpersona\EBWebView\Default\DawnWebGPUCache\data_3
                  • Size 8KB
                  • SHA256 e09f42c398d688dce168570291f1f92d079987deda3099a34adb9e8c0522b30c
                  • MD5 SHA1 SHA512 SSDEEP

                  MANIFEST-000001

                  • Path C:\Users\Admin\AppData\Local\com.sasaken1102s.vrcpersona\EBWebView\Default\Extension Rules\MANIFEST-000001
                  • Size 41B
                  • SHA256 f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4
                  • MD5 SHA1 SHA512

                  SCT Auditing Pending Reports

                  • Path C:\Users\Admin\AppData\Local\com.sasaken1102s.vrcpersona\EBWebView\Default\Network\SCT Auditing Pending Reports
                  • Size 2B
                  • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                  • MD5 SHA1 SHA512

                  Preferences

                  • Path C:\Users\Admin\AppData\Local\com.sasaken1102s.vrcpersona\EBWebView\Default\Preferences
                  • Size 6KB
                  • SHA256 5d613f25beddc68bce15f8ac499158dd127a7fa8be7d18c6a6513d8d68c7026d
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  Preferences~RFe58e73e.TMP

                  • Path C:\Users\Admin\AppData\Local\com.sasaken1102s.vrcpersona\EBWebView\Default\Preferences~RFe58e73e.TMP
                  • Size 6KB
                  • SHA256 5f5e530e563fb51033b83fe5fdb2bd73b06cbcd44a0240596276920d236cc902
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  CURRENT

                  • Path C:\Users\Admin\AppData\Local\com.sasaken1102s.vrcpersona\EBWebView\Default\Sync Data\LevelDB\CURRENT
                  • Size 16B
                  • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
                  • MD5 SHA1 SHA512

                  Local State

                  • Path C:\Users\Admin\AppData\Local\com.sasaken1102s.vrcpersona\EBWebView\Local State
                  • Size 1KB
                  • SHA256 b9b869d19b8bec9f284c648b886624ff0ac90941fd5dbc9b2b2b51bd9b355fa2
                  • MD5 SHA1 SHA512 TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\com.sasaken1102s.vrcpersona\EBWebView\Local State
                  • Size 2KB
                  • SHA256 562a31f935ab218dcfb34c202d368722c3d95c5c754df80f7b33194e63e5017a
                  • MD5 SHA1 SHA512 TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\com.sasaken1102s.vrcpersona\EBWebView\Local State
                  • Size 16KB
                  • SHA256 938c546b67355beb161d580453afd7305f28057d6ae18bbfe0fbfbdbf05de693
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  Local State~RFe584801.TMP

                  • Path C:\Users\Admin\AppData\Local\com.sasaken1102s.vrcpersona\EBWebView\Local State~RFe584801.TMP
                  • Size 1KB
                  • SHA256 80d6a149f1d14de99d7e3885c2313b9c7ba7ade00892aaf467aaf4ccbfd1d458
                  • MD5 SHA1 SHA512 TLSH

                  d82de0af-2a5a-4e28-a1a0-38a204c4b3f3.tmp

                  • Path C:\Users\Admin\AppData\Local\com.sasaken1102s.vrcpersona\EBWebView\d82de0af-2a5a-4e28-a1a0-38a204c4b3f3.tmp
                  • Size 3KB
                  • SHA256 8c33bea398f6f443af97f3a77f39e69b98ade1f87f26b838ff3c569bce9825d2
                  • MD5 SHA1 SHA512 TLSH

                  memory/800-48-0x00007FFC4E770000-0x00007FFC4E771000-memory.dmp

                  memory/800-47-0x00007FFC4E760000-0x00007FFC4E761000-memory.dmp

                  memory/1556-146-0x00007FFC4E760000-0x00007FFC4E761000-memory.dmp

                  memory/1556-233-0x0000017047E20000-0x0000017047E8B000-memory.dmp

                  memory/2688-25-0x00007FFC4E760000-0x00007FFC4E761000-memory.dmp