Analysis

  • user interaction
    yes
  • max time kernel
    96s
  • max time network
    102s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20260513-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20260513-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows
  • submitted
    16/07/2026, 02:30

General

  • Target
    ui.exe
  • Size 19.4MB
  • Sample260716-czanfsey3y
  • SHA256 ccf21a194ab4491c7291271bfcec3a7900d645f19781226c300cf74bbe2a2471
  • 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.

  • Drops file in Windows directory 3 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ui.exe
    "C:\Users\Admin\AppData\Local\Temp\ui.exe"
    1⤵
    • Checks whether UAC is enabled
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2908
    • 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=ui.exe --webview-exe-version=0.1.0 --user-data-dir="C:\Users\Admin\AppData\Local\com.kyronx.app\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=2908.1420.13691342837142271849
      2⤵
      • Drops file in Windows directory
      • Enumerates system info in registry
      • Modifies data under HKEY_USERS
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of WriteProcessMemory
      PID:1096
      • 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.kyronx.app\EBWebView /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\com.kyronx.app\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=0x184,0x188,0x18c,0x160,0x194,0x7ffa6645b078,0x7ffa6645b084,0x7ffa6645b090
        3⤵
          PID:4284
        • 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.kyronx.app\EBWebView" --webview-exe-name=ui.exe --webview-exe-version=0.1.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --gpu-preferences=UAAAAAAAAADgAAAEAAAAAAAAAAAAAAAAAABgAAEAAAAAAAAAAAAAAAAAAAACAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAEAAAAAAAAAAIAAAAAAAAAAgAAAAAAAAA --always-read-main-dll --field-trial-handle=1828,i,9043626043666945830,12057661000850875961,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=1764 /prefetch:2
          3⤵
            PID:5044
          • 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.kyronx.app\EBWebView" --webview-exe-name=ui.exe --webview-exe-version=0.1.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --always-read-main-dll --field-trial-handle=2056,i,9043626043666945830,12057661000850875961,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=2092 /prefetch:3
            3⤵
              PID:3896
            • 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.kyronx.app\EBWebView" --webview-exe-name=ui.exe --webview-exe-version=0.1.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --always-read-main-dll --field-trial-handle=2320,i,9043626043666945830,12057661000850875961,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=2152 /prefetch:8
              3⤵
                PID:4684
              • 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.kyronx.app\EBWebView" --webview-exe-name=ui.exe --webview-exe-version=0.1.0 --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=3492,i,9043626043666945830,12057661000850875961,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=3504 /prefetch:1
                3⤵
                  PID:3848
                • 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=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\com.kyronx.app\EBWebView" --webview-exe-name=ui.exe --webview-exe-version=0.1.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --always-read-main-dll --field-trial-handle=2812,i,9043626043666945830,12057661000850875961,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=776 /prefetch:8
                  3⤵
                    PID:4588

              Network

                    MITRE ATT&CK Enterprise v16

                    Replay Monitor

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                    Downloads

                    settings.dat

                    • Path C:\Users\Admin\AppData\Local\com.kyronx.app\EBWebView\Crashpad\settings.dat
                    • Size 280B
                    • SHA256 2420f0adabd316bcee134337bb05cc8a48b4f58f254b047a61facb52df2a12f8
                    • MD5 SHA1 SHA512 TLSH

                    settings.dat

                    • Path C:\Users\Admin\AppData\Local\com.kyronx.app\EBWebView\Crashpad\settings.dat
                    • Size 280B
                    • SHA256 3966c0a100178206744babc9c6de03afd14c5aaeeaf4a8ffbddacae2dfa81fe7
                    • MD5 SHA1 SHA512

                    throttle_store.dat

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

                    the-real-index

                    • Path C:\Users\Admin\AppData\Local\com.kyronx.app\EBWebView\Default\Code Cache\js\index-dir\the-real-index
                    • Size 432B
                    • SHA256 eebabe4f59ffd87d01b0fae39745cb3ed592a8d5b5a3d624652ad6289cb48748
                    • MD5 SHA1 SHA512 TLSH

                    the-real-index~RFe588d47.TMP

                    • Path C:\Users\Admin\AppData\Local\com.kyronx.app\EBWebView\Default\Code Cache\js\index-dir\the-real-index~RFe588d47.TMP
                    • Size 48B
                    • SHA256 6ca07bdc16e33f5ddf089aafab5194971fc436ff21263139019aac812478b934
                    • MD5 SHA1 SHA512

                    MANIFEST-000001

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

                    Network Persistent State

                    • Path C:\Users\Admin\AppData\Local\com.kyronx.app\EBWebView\Default\Network\Network Persistent State
                    • Size 111B
                    • SHA256 5dfc321417fc31359f23320ea68014ebfd793c5bbed55f77dab4180bbd4a2026
                    • MD5 SHA1 SHA512 TLSH

                    Network Persistent State~RFe597dc1.TMP

                    • Path C:\Users\Admin\AppData\Local\com.kyronx.app\EBWebView\Default\Network\Network Persistent State~RFe597dc1.TMP
                    • Size 59B
                    • SHA256 226eec4486509917aa336afebd6ff65777b75b65f1fb06891d2a857a9421a974
                    • MD5 SHA1 SHA512 TLSH

                    SCT Auditing Pending Reports

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

                    Preferences

                    • Path C:\Users\Admin\AppData\Local\com.kyronx.app\EBWebView\Default\Preferences
                    • Size 6KB
                    • SHA256 36623d39b5dbfd761b175096bb7eb188a0d923c0d31d52d9db372fe04ffe6cf8
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    Preferences~RFe58d79e.TMP

                    • Path C:\Users\Admin\AppData\Local\com.kyronx.app\EBWebView\Default\Preferences~RFe58d79e.TMP
                    • Size 6KB
                    • SHA256 00b10a9c08955ccf6afcd23e7d329e2ca08910203fb8802312c53fbf1ff5f2db
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    CURRENT

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

                    data_0

                    • Path C:\Users\Admin\AppData\Local\com.kyronx.app\EBWebView\GrShaderCache\data_0
                    • Size 8KB
                    • SHA256 d6a5fe39cd672781b256e0e3102f7022635f1d4bb7cfcc90a80fffe4d0f3877e
                    • MD5 SHA1 SHA512 SSDEEP

                    data_2

                    • Path C:\Users\Admin\AppData\Local\com.kyronx.app\EBWebView\GrShaderCache\data_2
                    • Size 8KB
                    • SHA256 ec1702806f4cc7c42a82fc2b38e89835fde7c64bb32060e0823c9077ca92efb7
                    • MD5 SHA1 SHA512 SSDEEP

                    data_3

                    • Path C:\Users\Admin\AppData\Local\com.kyronx.app\EBWebView\GrShaderCache\data_3
                    • Size 8KB
                    • SHA256 e09f42c398d688dce168570291f1f92d079987deda3099a34adb9e8c0522b30c
                    • MD5 SHA1 SHA512 SSDEEP

                    data_1

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

                    Local State

                    • Path C:\Users\Admin\AppData\Local\com.kyronx.app\EBWebView\Local State
                    • Size 1KB
                    • SHA256 c685db930409cf46594d4d170d393ee8b02d0ac663cfd86367689735ab9378cf
                    • MD5 SHA1 SHA512 TLSH

                    Local State

                    • Path C:\Users\Admin\AppData\Local\com.kyronx.app\EBWebView\Local State
                    • Size 2KB
                    • SHA256 37e5cd0eb499f934068b754b0e6d433874e9ee009c8928619f0c3414e20754a3
                    • MD5 SHA1 SHA512 TLSH

                    Local State

                    • Path C:\Users\Admin\AppData\Local\com.kyronx.app\EBWebView\Local State
                    • Size 3KB
                    • SHA256 411fea885ae3efaa9b39ebf26824e0d247548915214d487328d26786f8d9c680
                    • MD5 SHA1 SHA512 TLSH

                    Local State

                    • Path C:\Users\Admin\AppData\Local\com.kyronx.app\EBWebView\Local State
                    • Size 4KB
                    • SHA256 254c6306d077512f8d6b49343fa8f55150c50326f43e029ee915d076b4d24e8f
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    Local State

                    • Path C:\Users\Admin\AppData\Local\com.kyronx.app\EBWebView\Local State
                    • Size 16KB
                    • SHA256 33a2ba5db4fb890a29bc8c197fba9273f5c8b2096c854992561feb94a475cc5a
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    Local State~RFe583a64.TMP

                    • Path C:\Users\Admin\AppData\Local\com.kyronx.app\EBWebView\Local State~RFe583a64.TMP
                    • Size 1KB
                    • SHA256 eb250a5ed3a6019ef7511e2b8c7634bcc97124878fb5631bf292f919336ec9f3
                    • MD5 SHA1 SHA512 TLSH

                    memory/3848-105-0x00007FFA82A20000-0x00007FFA82A21000-memory.dmp

                    memory/4684-99-0x00007FFA81BD0000-0x00007FFA81BD1000-memory.dmp

                    memory/4684-97-0x00007FFA81BC0000-0x00007FFA81BC1000-memory.dmp

                    memory/5044-25-0x00007FFA82A20000-0x00007FFA82A21000-memory.dmp

                    memory/5044-234-0x000002AFAC060000-0x000002AFAC10D000-memory.dmp