Analysis

  • user interaction
    yes
  • max time kernel
    11s
  • max time network
    16s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    24/08/2026, 15:01

General

  • Target
    loader.exe
  • Size 3.7MB
  • Sample260824-sd5vgazclb
  • SHA256 ee4c82481f505c4584284b3036535346b6713d2b8530d11cd190487e0bfa986b
  • 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 3 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:3912
    • 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-component-update --disable-extensions --disable-features=msWebOOUI,msPdfOOUI,msSmartScreenProtection,msWebView2EnableCrashReporting --disable-gpu --disable-sync --lang=en-US --mojo-named-platform-channel-pipe=3912.1608.948922958046488894
      2⤵
      • Enumerates system info in registry
      • Modifies data under HKEY_USERS
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of WriteProcessMemory
      PID:2348
      • 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,0x7ffaa70cb078,0x7ffaa70cb084,0x7ffaa70cb090
        3⤵
          PID:3292
        • 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=UAAAAAAAAADgAAAEAAAAAAAAAAAAAAAAAABgAAAAAAAAAAAAAAAAAAAAAAACAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAEAAAAAAAAAAIAAAAAAAAAAgAAAAAAAAA --use-gl=angle --use-angle=swiftshader-webgl --always-read-main-dll --field-trial-handle=1756,i,837619676957113286,1368959999467663212,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI,msWebView2EnableCrashReporting --variations-seed-version --mojo-platform-channel-handle=1716 /prefetch:2
          3⤵
            PID:2444
          • 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=1964,i,837619676957113286,1368959999467663212,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI,msWebView2EnableCrashReporting --variations-seed-version --mojo-platform-channel-handle=1972 /prefetch:3
            3⤵
              PID:2120
            • 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=2304,i,837619676957113286,1368959999467663212,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI,msWebView2EnableCrashReporting --variations-seed-version --mojo-platform-channel-handle=2272 /prefetch:8
              3⤵
                PID:4956
              • 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 --disable-gpu-compositing --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=3592,i,837619676957113286,1368959999467663212,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI,msWebView2EnableCrashReporting --variations-seed-version --mojo-platform-channel-handle=3608 /prefetch:1
                3⤵
                  PID:2320

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

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                  Downloads

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\barnus.win\WebView2\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 235417612fdfc5e2300fa1ac10330959ab9acb0d65fb3db154e74ef30febcac6
                  • MD5 SHA1 SHA512 TLSH

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\barnus.win\WebView2\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 b362e791e17d8c4a72d195222d7368ed6caa97eb61493534f463cfd21f15907a
                  • MD5 SHA1 SHA512

                  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\Site Characteristics Database\CURRENT
                  • Size 16B
                  • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
                  • MD5 SHA1 SHA512

                  Local State

                  • Path C:\Users\Admin\AppData\Local\barnus.win\WebView2\EBWebView\Local State
                  • Size 2KB
                  • SHA256 7a57b9fba52a455fe106912b252667280a3ac66e48310eb6bdb415d1740d93ab
                  • MD5 SHA1 SHA512 TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\barnus.win\WebView2\EBWebView\Local State
                  • Size 4KB
                  • SHA256 b597f0e660855ebdc43cdca07d45a26365d9660f21b7fb6cb1e15c0afe8b17d5
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\barnus.win\WebView2\EBWebView\Local State
                  • Size 3KB
                  • SHA256 7c5f5489dbb997df09ecc26ce0a2bfb91f476eef4b31ec15868e22a12dd58326
                  • MD5 SHA1 SHA512 TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\barnus.win\WebView2\EBWebView\Local State
                  • Size 1KB
                  • SHA256 1cd6e86672e16f9692e146642ce1aef4edceccf321731d9ab8fcbd51d7b406e3
                  • MD5 SHA1 SHA512 TLSH

                  Local State~RFe57f685.TMP

                  • Path C:\Users\Admin\AppData\Local\barnus.win\WebView2\EBWebView\Local State~RFe57f685.TMP
                  • Size 1KB
                  • SHA256 9fc9ccea349d97a48bf73ff3953d7d72ed6fce409379dbe33feecba6edb7d393
                  • MD5 SHA1 SHA512 TLSH

                  memory/2320-130-0x00007FFAC18B0000-0x00007FFAC18B1000-memory.dmp

                  memory/2444-20-0x00007FFAC18B0000-0x00007FFAC18B1000-memory.dmp

                  memory/4956-70-0x00007FFAC3460000-0x00007FFAC3461000-memory.dmp

                  memory/4956-71-0x00007FFAC3140000-0x00007FFAC3141000-memory.dmp