Analysis

  • user interaction
    yes
  • max time kernel
    14s
  • max time network
    17s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    19/08/2026, 11:32

General

  • Target
    loader.exe
  • Size 3.5MB
  • Sample260819-nndrhsshke
  • SHA256 2309010b241375ecf41af3600f099d65187534c7b3b4def12c5b27e44a785b5d
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Checks BIOS information in registry 2 TTPs 3 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Network Share Discovery 1 TTPs

    Attempt to gather information on host network.

  • Enumerates system info in registry 2 TTPs 15 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\loader.exe
    "C:\Users\Admin\AppData\Local\Temp\loader.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Enumerates system info in registry
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1380
    • 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=loader.exe --user-data-dir="C:\Users\Admin\AppData\Local\barnus.win\WebView2\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=1380.2796.4160252896963928695
      2⤵
      • Enumerates system info in registry
      • Modifies data under HKEY_USERS
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of WriteProcessMemory
      PID:2636
      • 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\barnus.win\WebView2\EBWebView /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\barnus.win\WebView2\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,0x7ffef454b078,0x7ffef454b084,0x7ffef454b090
        3⤵
          PID:4460
        • 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\barnus.win\WebView2\EBWebView" --webview-exe-name=loader.exe --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --gpu-preferences=UAAAAAAAAADgAAAEAAAAAAAAAAAAAAAAAABgAAEAAAAAAAAAAAAAAAAAAAACAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAEAAAAAAAAAAIAAAAAAAAAAgAAAAAAAAA --always-read-main-dll --field-trial-handle=1740,i,11303046334674373769,3921893075835839616,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=1736 /prefetch:2
          3⤵
            PID:5024
          • 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\barnus.win\WebView2\EBWebView" --webview-exe-name=loader.exe --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --always-read-main-dll --field-trial-handle=2052,i,11303046334674373769,3921893075835839616,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=2068 /prefetch:3
            3⤵
              PID:3300
            • 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\barnus.win\WebView2\EBWebView" --webview-exe-name=loader.exe --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --always-read-main-dll --field-trial-handle=2396,i,11303046334674373769,3921893075835839616,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=2392 /prefetch:8
              3⤵
                PID:2256
              • 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\barnus.win\WebView2\EBWebView" --webview-exe-name=loader.exe --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=3716,i,11303046334674373769,3921893075835839616,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=3724 /prefetch:1
                3⤵
                  PID:348

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\barnus.win\WebView2\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 8f1609fa37fb7de6436102337bd64c4f0bd58280eed2354e46fe7ed3ce075920
                  • MD5 SHA1 SHA512

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\barnus.win\WebView2\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 c4e2f10ea82f5d093c497b011ef121385c3ccf7ade5ca1799cabb1c6272b2024
                  • MD5 SHA1 SHA512 TLSH

                  throttle_store.dat

                  • Path C:\Users\Admin\AppData\Local\barnus.win\WebView2\EBWebView\Crashpad\throttle_store.dat
                  • Size 20B
                  • SHA256 41c91a9c93d76295746a149dce7ebb3b9ee2cb551d84365fff108e59a61cc304
                  • MD5 SHA1 SHA512

                  data_0

                  • Path C:\Users\Admin\AppData\Local\barnus.win\WebView2\EBWebView\Default\DawnWebGPUCache\data_0
                  • Size 8KB
                  • SHA256 d6a5fe39cd672781b256e0e3102f7022635f1d4bb7cfcc90a80fffe4d0f3877e
                  • MD5 SHA1 SHA512 SSDEEP

                  data_1

                  • Path C:\Users\Admin\AppData\Local\barnus.win\WebView2\EBWebView\Default\DawnWebGPUCache\data_1
                  • Size 264KB
                  • SHA256 902f30c1fb0597d0734bc34b979ec5d131f8f39a4b71b338083821216ec8d61b
                  • MD5 SHA1 SHA512 SSDEEP

                  data_2

                  • Path C:\Users\Admin\AppData\Local\barnus.win\WebView2\EBWebView\Default\DawnWebGPUCache\data_2
                  • Size 8KB
                  • SHA256 ec1702806f4cc7c42a82fc2b38e89835fde7c64bb32060e0823c9077ca92efb7
                  • MD5 SHA1 SHA512 SSDEEP

                  data_3

                  • Path C:\Users\Admin\AppData\Local\barnus.win\WebView2\EBWebView\Default\DawnWebGPUCache\data_3
                  • Size 8KB
                  • SHA256 e09f42c398d688dce168570291f1f92d079987deda3099a34adb9e8c0522b30c
                  • MD5 SHA1 SHA512 SSDEEP

                  MANIFEST-000001

                  • Path C:\Users\Admin\AppData\Local\barnus.win\WebView2\EBWebView\Default\Extension Rules\MANIFEST-000001
                  • Size 41B
                  • SHA256 f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4
                  • MD5 SHA1 SHA512

                  SCT Auditing Pending Reports

                  • Path C:\Users\Admin\AppData\Local\barnus.win\WebView2\EBWebView\Default\Network\SCT Auditing Pending Reports
                  • Size 2B
                  • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                  • MD5 SHA1 SHA512

                  CURRENT

                  • Path C:\Users\Admin\AppData\Local\barnus.win\WebView2\EBWebView\Default\Sync Data\LevelDB\CURRENT
                  • Size 16B
                  • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
                  • MD5 SHA1 SHA512

                  Local State

                  • Path C:\Users\Admin\AppData\Local\barnus.win\WebView2\EBWebView\Local State
                  • Size 1KB
                  • SHA256 f1c2b7736286c4879cebc3588c8aac3d385720fad7bfc4bda2c7e02739015321
                  • MD5 SHA1 SHA512 TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\barnus.win\WebView2\EBWebView\Local State
                  • Size 2KB
                  • SHA256 9fcb11190ba5779d10be02fd6acca36860b25ef950ce1fd5d72c9c828a58e40c
                  • MD5 SHA1 SHA512 TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\barnus.win\WebView2\EBWebView\Local State
                  • Size 3KB
                  • SHA256 af957880c32b9be47cb04cf207234da9c1db52999af6d1ca8d9f47542866c486
                  • MD5 SHA1 SHA512 TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\barnus.win\WebView2\EBWebView\Local State
                  • Size 16KB
                  • SHA256 1354c66611a052d1354c2632ee71b9a4981db1f6dec41a7a71600599016374ec
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  Local State~RFe587162.TMP

                  • Path C:\Users\Admin\AppData\Local\barnus.win\WebView2\EBWebView\Local State~RFe587162.TMP
                  • Size 1KB
                  • SHA256 8b2dfc37dd3175ef64b522466f19e89671f3cc0183aaeb447f9637b2d5cd7bde
                  • MD5 SHA1 SHA512 TLSH

                  memory/348-138-0x00007FFF0FCF0000-0x00007FFF0FCF1000-memory.dmp

                  memory/2256-105-0x00007FFF107D0000-0x00007FFF107D1000-memory.dmp

                  memory/2256-104-0x00007FFF0F110000-0x00007FFF0F111000-memory.dmp

                  memory/5024-25-0x00007FFF0FCF0000-0x00007FFF0FCF1000-memory.dmp