Analysis

  • user interaction
    yes
  • max time kernel
    68s
  • max time network
    73s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/10/2026, 17:48

General

  • Target
    potass/Potassium.tunnel.exe
  • Size 25.4MB
  • Sample261001-wdw44stdqg
  • SHA256 8b0eb53ca98457dec118b0c9b0946eec96dd19dc6796d7bfb2774b0f4cb2097e
  • 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.

  • 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
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\potass\Potassium.tunnel.exe
    "C:\Users\Admin\AppData\Local\Temp\potass\Potassium.tunnel.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 WriteProcessMemory
    PID:3068
    • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe
      "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe" --embedded-browser-webview=1 --webview-exe-name=Potassium.tunnel.exe --webview-exe-version=1.2.0 --user-data-dir="C:\Users\Admin\AppData\Local\com.pot.potassium-tauri\EBWebView" --noerrdialogs --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --autoplay-policy=no-user-gesture-required --disable-features=msWebOOUI,msPdfOOUI,msSmartScreenProtection --enable-features=MojoIpcz --lang=en-US --accept-lang=en-US --mojo-named-platform-channel-pipe=3068.3680.1544077206121606030 /pfhostedapp:a6f4c2cdda1a5636fd6c405112e0015bf2b17363
      2⤵
      • Enumerates system info in registry
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of WriteProcessMemory
      PID:2208
      • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe
        "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe" --type=crashpad-handler --user-data-dir=C:\Users\Admin\AppData\Local\com.pot.potassium-tauri\EBWebView /prefetch:4 /pfhostedapp:a6f4c2cdda1a5636fd6c405112e0015bf2b17363 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\com.pot.potassium-tauri\EBWebView\Crashpad --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=122.0.6261.139 "--annotation=exe=C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe" --annotation=plat=Win64 "--annotation=prod=Edge WebView2" --annotation=ver=122.0.2365.106 --initial-client-data=0x188,0x18c,0x190,0x184,0x160,0x7ff8a9905fd8,0x7ff8a9905fe4,0x7ff8a9905ff0
        3⤵
          PID:2988
        • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe
          "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe" --type=gpu-process --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\com.pot.potassium-tauri\EBWebView" --webview-exe-name=Potassium.tunnel.exe --webview-exe-version=1.2.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=1800 --field-trial-handle=1788,i,16543503436923292969,7933754520733759488,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:2 /pfhostedapp:a6f4c2cdda1a5636fd6c405112e0015bf2b17363
          3⤵
            PID:932
          • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe
            "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\com.pot.potassium-tauri\EBWebView" --webview-exe-name=Potassium.tunnel.exe --webview-exe-version=1.2.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --mojo-platform-channel-handle=2228 --field-trial-handle=1788,i,16543503436923292969,7933754520733759488,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:3 /pfhostedapp:a6f4c2cdda1a5636fd6c405112e0015bf2b17363
            3⤵
              PID:4292
            • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe
              "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\com.pot.potassium-tauri\EBWebView" --webview-exe-name=Potassium.tunnel.exe --webview-exe-version=1.2.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --mojo-platform-channel-handle=2260 --field-trial-handle=1788,i,16543503436923292969,7933754520733759488,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:8 /pfhostedapp:a6f4c2cdda1a5636fd6c405112e0015bf2b17363
              3⤵
                PID:300
              • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe
                "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe" --type=renderer --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\com.pot.potassium-tauri\EBWebView" --webview-exe-name=Potassium.tunnel.exe --webview-exe-version=1.2.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --autoplay-policy=no-user-gesture-required --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=" --mojo-platform-channel-handle=3420 --field-trial-handle=1788,i,16543503436923292969,7933754520733759488,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /pfhostedapp:a6f4c2cdda1a5636fd6c405112e0015bf2b17363 /prefetch:1
                3⤵
                  PID:2724

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  0e7c4985-9d7c-4d75-8897-37c7f5676faf.tmp

                  • Path C:\Users\Admin\AppData\Local\com.pot.potassium-tauri\EBWebView\0e7c4985-9d7c-4d75-8897-37c7f5676faf.tmp
                  • Size 2KB
                  • SHA256 4ceba062c91e87d585f5106e15eb8f7fd1ffbb88bbdaf4cc69c3717814dcf97d
                  • MD5 SHA1 SHA512 TLSH

                  49c22d0d-ef33-41b0-a114-f4cabd6d9f45.tmp

                  • Path C:\Users\Admin\AppData\Local\com.pot.potassium-tauri\EBWebView\49c22d0d-ef33-41b0-a114-f4cabd6d9f45.tmp
                  • Size 15KB
                  • SHA256 e11c61f5b92a670052b46ad311b3058c502b9b4ae7de87e97fceaeb430c82428
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\com.pot.potassium-tauri\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 4139253faa3362cadd63174bbecc8f27c6c18a8e3691d8ba71b40cdf9b3211ff
                  • MD5 SHA1 SHA512 TLSH

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\com.pot.potassium-tauri\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 430fbdf6febcf9100d3a8de50db6c451c930c9283c181fb81ae2eb90d780f0a7
                  • MD5 SHA1 SHA512

                  throttle_store.dat

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

                  temp-index

                  • Path C:\Users\Admin\AppData\Local\com.pot.potassium-tauri\EBWebView\Default\Code Cache\js\index-dir\temp-index
                  • Size 96B
                  • SHA256 4987c4ab05c649d64228ed3bfb1e801b8cfff41b87c3fe73eff32bedcdbd4529
                  • MD5 SHA1 SHA512 TLSH

                  the-real-index

                  • Path C:\Users\Admin\AppData\Local\com.pot.potassium-tauri\EBWebView\Default\Code Cache\js\index-dir\the-real-index
                  • Size 48B
                  • SHA256 0367e1e0cce7e85d0647fbe6ed4a945576c3418102c56404caed195572461055
                  • MD5 SHA1 SHA512

                  SCT Auditing Pending Reports

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

                  MANIFEST-000001

                  • Path C:\Users\Admin\AppData\Local\com.pot.potassium-tauri\EBWebView\Default\Site Characteristics Database\MANIFEST-000001
                  • Size 41B
                  • SHA256 f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4
                  • MD5 SHA1 SHA512

                  CURRENT

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

                  d650a830-057c-44aa-9b1b-27ae7b36e3ab.tmp

                  • Path C:\Users\Admin\AppData\Local\com.pot.potassium-tauri\EBWebView\Default\d650a830-057c-44aa-9b1b-27ae7b36e3ab.tmp
                  • Size 6KB
                  • SHA256 31dbeb6232d8bb3a2c6837ae117b2a2639bd5ec623cbeedf59f14d65faa548da
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  data_0

                  • Path C:\Users\Admin\AppData\Local\com.pot.potassium-tauri\EBWebView\GrShaderCache\data_0
                  • Size 8KB
                  • SHA256 d6a5fe39cd672781b256e0e3102f7022635f1d4bb7cfcc90a80fffe4d0f3877e
                  • MD5 SHA1 SHA512 SSDEEP

                  data_1

                  • Path C:\Users\Admin\AppData\Local\com.pot.potassium-tauri\EBWebView\GrShaderCache\data_1
                  • Size 264KB
                  • SHA256 902f30c1fb0597d0734bc34b979ec5d131f8f39a4b71b338083821216ec8d61b
                  • MD5 SHA1 SHA512 SSDEEP

                  data_2

                  • Path C:\Users\Admin\AppData\Local\com.pot.potassium-tauri\EBWebView\GrShaderCache\data_2
                  • Size 8KB
                  • SHA256 ec1702806f4cc7c42a82fc2b38e89835fde7c64bb32060e0823c9077ca92efb7
                  • MD5 SHA1 SHA512 SSDEEP

                  data_3

                  • Path C:\Users\Admin\AppData\Local\com.pot.potassium-tauri\EBWebView\GrShaderCache\data_3
                  • Size 8KB
                  • SHA256 e09f42c398d688dce168570291f1f92d079987deda3099a34adb9e8c0522b30c
                  • MD5 SHA1 SHA512 SSDEEP

                  Local State

                  • Path C:\Users\Admin\AppData\Local\com.pot.potassium-tauri\EBWebView\Local State
                  • Size 1KB
                  • SHA256 21e0d6d41da927b363a65b46dafddd8aa5f8981aecd8ea459973a2b652ee06e0
                  • MD5 SHA1 SHA512 TLSH

                  d732a7a0-b740-4ec8-b434-00d5049974ee.tmp

                  • Path C:\Users\Admin\AppData\Local\com.pot.potassium-tauri\EBWebView\d732a7a0-b740-4ec8-b434-00d5049974ee.tmp
                  • Size 3KB
                  • SHA256 d241af684a43f8d30936411845cf95ba06a9319f8724e5220adb213cafe899c2
                  • MD5 SHA1 SHA512 TLSH

                  memory/932-99-0x00007FF8CAE90000-0x00007FF8CAE91000-memory.dmp

                  memory/2724-102-0x00007FF8CAE90000-0x00007FF8CAE91000-memory.dmp