Analysis

  • max time kernel
    148s
  • max time network
    147s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/08/2026, 00:08

General

  • Target
    tethry.exe
  • Size 6.4MB
  • Sample260820-ae4dxswerb
  • SHA256 da6ac4a5df6c2f7ee8e3f0a7886682eb9242bfac7249b4fbf900e10c2e9af190
  • 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.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Kills process with taskkill 1 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tethry.exe
    "C:\Users\Admin\AppData\Local\Temp\tethry.exe"
    1⤵
    • Checks whether UAC is enabled
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3428
    • 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=tethry.exe --webview-exe-version=0.12.1 --user-data-dir="C:\Users\Admin\AppData\Local\com.tethry.desktop\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=3428.4132.3385254008386446800 /pfhostedapp:66d39523da9496659fb6554fb1694d35cff56600
      2⤵
      • Enumerates system info in registry
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of WriteProcessMemory
      PID:5572
      • 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.tethry.desktop\EBWebView /prefetch:4 /pfhostedapp:66d39523da9496659fb6554fb1694d35cff56600 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\com.tethry.desktop\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=0x184,0x188,0x18c,0x160,0x194,0x7ffa857f5fd8,0x7ffa857f5fe4,0x7ffa857f5ff0
        3⤵
          PID:1856
        • 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.tethry.desktop\EBWebView" --webview-exe-name=tethry.exe --webview-exe-version=0.12.1 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=1824 --field-trial-handle=1828,i,57637076916239048,15307939255381819852,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:2 /pfhostedapp:66d39523da9496659fb6554fb1694d35cff56600
          3⤵
            PID:1516
          • 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.tethry.desktop\EBWebView" --webview-exe-name=tethry.exe --webview-exe-version=0.12.1 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --mojo-platform-channel-handle=2116 --field-trial-handle=1828,i,57637076916239048,15307939255381819852,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:3 /pfhostedapp:66d39523da9496659fb6554fb1694d35cff56600
            3⤵
              PID:2292
            • 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.tethry.desktop\EBWebView" --webview-exe-name=tethry.exe --webview-exe-version=0.12.1 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --mojo-platform-channel-handle=2328 --field-trial-handle=1828,i,57637076916239048,15307939255381819852,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:8 /pfhostedapp:66d39523da9496659fb6554fb1694d35cff56600
              3⤵
                PID:1168
              • 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.tethry.desktop\EBWebView" --webview-exe-name=tethry.exe --webview-exe-version=0.12.1 --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=3448 --field-trial-handle=1828,i,57637076916239048,15307939255381819852,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /pfhostedapp:66d39523da9496659fb6554fb1694d35cff56600 /prefetch:1
                3⤵
                  PID:204
                • 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 --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=5140 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.26100.1301 --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\com.tethry.desktop\EBWebView" --webview-exe-name=tethry.exe --webview-exe-version=0.12.1 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --gpu-preferences=WAAAAAAAAADoAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAABEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=816 --field-trial-handle=1828,i,57637076916239048,15307939255381819852,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:8 /pfhostedapp:66d39523da9496659fb6554fb1694d35cff56600
                  3⤵
                  • Suspicious behavior: EnumeratesProcesses
                  PID:1892
              • C:\Windows\system32\taskkill.exe
                "taskkill" /F /IM tethry-host.exe
                2⤵
                • Kills process with taskkill
                • Suspicious use of AdjustPrivilegeToken
                PID:1672
              • C:\Users\Admin\AppData\Local\Temp\tethry-host.exe
                "C:\Users\Admin\AppData\Local\Temp\tethry-host.exe" --print-identity
                2⤵
                  PID:4144
                • C:\Users\Admin\AppData\Local\Temp\tethry-host.exe
                  "C:\Users\Admin\AppData\Local\Temp\tethry-host.exe" --no-tray
                  2⤵
                  • Modifies registry class
                  PID:3128

              Network

                    MITRE ATT&CK Enterprise v16

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    settings.dat

                    • Path C:\Users\Admin\AppData\Local\com.tethry.desktop\EBWebView\Crashpad\settings.dat
                    • Size 280B
                    • SHA256 8a7da66dfb09e7c607952f7a2d51c6c368acd32a05c6c3aacd474f9fa9c56616
                    • MD5 SHA1 SHA512 TLSH

                    settings.dat

                    • Path C:\Users\Admin\AppData\Local\com.tethry.desktop\EBWebView\Crashpad\settings.dat
                    • Size 280B
                    • SHA256 06b072b2d366668c76427e867bf00a24bd260dbbc77efd234fbeaa0df2142ab5
                    • MD5 SHA1 SHA512

                    throttle_store.dat

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

                    748c0f98-24ac-4d2c-b3de-634549ec5b63.tmp

                    • Path C:\Users\Admin\AppData\Local\com.tethry.desktop\EBWebView\Default\748c0f98-24ac-4d2c-b3de-634549ec5b63.tmp
                    • Size 6KB
                    • SHA256 f3bf3d5a5a7f99f44455158728c5fedd2bc2c4924baab0b43a6b003ea06053ce
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    the-real-index

                    • Path C:\Users\Admin\AppData\Local\com.tethry.desktop\EBWebView\Default\Code Cache\js\index-dir\the-real-index
                    • Size 72B
                    • SHA256 eb1bab10a10609c4fad174ae830a67e24ac5381652b2b797e92965042697724e
                    • MD5 SHA1 SHA512 TLSH

                    the-real-index

                    • Path C:\Users\Admin\AppData\Local\com.tethry.desktop\EBWebView\Default\Code Cache\js\index-dir\the-real-index
                    • Size 48B
                    • SHA256 883125ead026f0e574d60114ee24028ebeea50a7e9bc89335de4e6004a34a327
                    • MD5 SHA1 SHA512

                    Network Persistent State

                    • Path C:\Users\Admin\AppData\Local\com.tethry.desktop\EBWebView\Default\Network\Network Persistent State
                    • Size 817B
                    • SHA256 fc327c29e9526cf97be6da407f97188ecc40cf54aa91d35773d2b6434239649d
                    • MD5 SHA1 SHA512 TLSH

                    Network Persistent State~RFe5a5891.TMP

                    • Path C:\Users\Admin\AppData\Local\com.tethry.desktop\EBWebView\Default\Network\Network Persistent State~RFe5a5891.TMP
                    • Size 59B
                    • SHA256 226eec4486509917aa336afebd6ff65777b75b65f1fb06891d2a857a9421a974
                    • MD5 SHA1 SHA512 TLSH

                    SCT Auditing Pending Reports

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

                    Preferences

                    • Path C:\Users\Admin\AppData\Local\com.tethry.desktop\EBWebView\Default\Preferences
                    • Size 6KB
                    • SHA256 25a9950caa2441154f4fbd42f88bca95deb283b90b06fd755a92b46f81bd8b40
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    CURRENT

                    • Path C:\Users\Admin\AppData\Local\com.tethry.desktop\EBWebView\Default\Site Characteristics Database\CURRENT
                    • Size 16B
                    • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
                    • MD5 SHA1 SHA512

                    MANIFEST-000001

                    • Path C:\Users\Admin\AppData\Local\com.tethry.desktop\EBWebView\Default\shared_proto_db\metadata\MANIFEST-000001
                    • Size 41B
                    • SHA256 f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4
                    • MD5 SHA1 SHA512

                    data_0

                    • Path C:\Users\Admin\AppData\Local\com.tethry.desktop\EBWebView\GraphiteDawnCache\data_0
                    • Size 8KB
                    • SHA256 d6a5fe39cd672781b256e0e3102f7022635f1d4bb7cfcc90a80fffe4d0f3877e
                    • MD5 SHA1 SHA512 SSDEEP

                    data_1

                    • Path C:\Users\Admin\AppData\Local\com.tethry.desktop\EBWebView\GraphiteDawnCache\data_1
                    • Size 264KB
                    • SHA256 902f30c1fb0597d0734bc34b979ec5d131f8f39a4b71b338083821216ec8d61b
                    • MD5 SHA1 SHA512 SSDEEP

                    data_2

                    • Path C:\Users\Admin\AppData\Local\com.tethry.desktop\EBWebView\GraphiteDawnCache\data_2
                    • Size 8KB
                    • SHA256 ec1702806f4cc7c42a82fc2b38e89835fde7c64bb32060e0823c9077ca92efb7
                    • MD5 SHA1 SHA512 SSDEEP

                    data_3

                    • Path C:\Users\Admin\AppData\Local\com.tethry.desktop\EBWebView\GraphiteDawnCache\data_3
                    • Size 8KB
                    • SHA256 e09f42c398d688dce168570291f1f92d079987deda3099a34adb9e8c0522b30c
                    • MD5 SHA1 SHA512 SSDEEP

                    Local State

                    • Path C:\Users\Admin\AppData\Local\com.tethry.desktop\EBWebView\Local State
                    • Size 3KB
                    • SHA256 6e9aa8a2107f63d6c162e71b147bd96c768d4920df57d36d027b7e2871ac5c36
                    • MD5 SHA1 SHA512 TLSH

                    Local State

                    • Path C:\Users\Admin\AppData\Local\com.tethry.desktop\EBWebView\Local State
                    • Size 2KB
                    • SHA256 fcc5cee4f75901cb024d2846f684e393feea596194f8ac2d8ab46b7f636fa3fb
                    • MD5 SHA1 SHA512 TLSH

                    Local State

                    • Path C:\Users\Admin\AppData\Local\com.tethry.desktop\EBWebView\Local State
                    • Size 3KB
                    • SHA256 2f376758f9b5bb72648481298d9b71526adfb047043795c3d1a1fe270824c476
                    • MD5 SHA1 SHA512 TLSH

                    Local State

                    • Path C:\Users\Admin\AppData\Local\com.tethry.desktop\EBWebView\Local State
                    • Size 15KB
                    • SHA256 d378bdebf0612c4b11f7155a0234c9d0212d10fd7c84a2e6785ab1bff7a29564
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    Local State~RFe5941e1.TMP

                    • Path C:\Users\Admin\AppData\Local\com.tethry.desktop\EBWebView\Local State~RFe5941e1.TMP
                    • Size 1KB
                    • SHA256 4242f762de6791196bd7d6e77c26343a3bdee2f62e8e08af4b6d47f42b362f07
                    • MD5 SHA1 SHA512 TLSH

                    config.json

                    • Path C:\Users\Admin\AppData\Roaming\Tethry\Tethry\config\config.json
                    • Size 767B
                    • SHA256 6f86d8768eb057de78789d83e73cc9bdeec8c5d5a4827f61aa95e588fce2e6ec
                    • MD5 SHA1 SHA512 TLSH

                    memory/204-100-0x00007FFAA63F0000-0x00007FFAA63F1000-memory.dmp

                    memory/1516-202-0x000002D4BDD00000-0x000002D4BDD2A000-memory.dmp

                    memory/1516-103-0x00007FFAA63F0000-0x00007FFAA63F1000-memory.dmp

                    memory/1892-285-0x0000015FD4190000-0x0000015FD4191000-memory.dmp

                    memory/1892-287-0x0000015FD4190000-0x0000015FD4191000-memory.dmp

                    memory/1892-292-0x0000015FD4190000-0x0000015FD4191000-memory.dmp

                    memory/1892-296-0x0000015FD4190000-0x0000015FD4191000-memory.dmp

                    memory/1892-295-0x0000015FD4190000-0x0000015FD4191000-memory.dmp

                    memory/1892-294-0x0000015FD4190000-0x0000015FD4191000-memory.dmp

                    memory/1892-293-0x0000015FD4190000-0x0000015FD4191000-memory.dmp

                    memory/1892-291-0x0000015FD4190000-0x0000015FD4191000-memory.dmp