Analysis

  • user interaction
    yes
  • max time kernel
    149s
  • max time network
    144s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    22/08/2026, 12:56

General

  • Target
    umi.exe
  • Size 8.4MB
  • Sample260822-p6gfssfb22
  • SHA256 fbc00d6f610dcd69fd75a70ce9d09020a0f0cbd65288983ea753f809ea791f84
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 3 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Network Share Discovery 1 TTPs

    Attempt to gather information on host network.

  • Drops file in Windows directory 10 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\umi.exe
    "C:\Users\Admin\AppData\Local\Temp\umi.exe"
    1⤵
    • Checks whether UAC is enabled
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:692
    • 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=umi.exe --webview-exe-version=0.1.0 --user-data-dir="C:\Users\Admin\AppData\Local\com.umi.app\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=692.4968.15418880535367002166 /pfhostedapp:22cf3813cc3fb47e8e5237db4ddf04b342ba616f
      2⤵
      • Drops file in Windows directory
      • Enumerates system info in registry
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of WriteProcessMemory
      PID:1116
      • 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.umi.app\EBWebView /prefetch:4 /pfhostedapp:22cf3813cc3fb47e8e5237db4ddf04b342ba616f --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\com.umi.app\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,0x160,0x194,0x7ff848cb5fd8,0x7ff848cb5fe4,0x7ff848cb5ff0
        3⤵
          PID:2540
        • 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.umi.app\EBWebView" --webview-exe-name=umi.exe --webview-exe-version=0.1.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=1764 --field-trial-handle=1768,i,14235884189556593387,99975961870350060,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:2 /pfhostedapp:22cf3813cc3fb47e8e5237db4ddf04b342ba616f
          3⤵
            PID:3600
          • 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.umi.app\EBWebView" --webview-exe-name=umi.exe --webview-exe-version=0.1.0 --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=1768,i,14235884189556593387,99975961870350060,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:3 /pfhostedapp:22cf3813cc3fb47e8e5237db4ddf04b342ba616f
            3⤵
              PID:5228
            • 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.umi.app\EBWebView" --webview-exe-name=umi.exe --webview-exe-version=0.1.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --mojo-platform-channel-handle=2384 --field-trial-handle=1768,i,14235884189556593387,99975961870350060,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:8 /pfhostedapp:22cf3813cc3fb47e8e5237db4ddf04b342ba616f
              3⤵
                PID:4984
              • 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.umi.app\EBWebView" --webview-exe-name=umi.exe --webview-exe-version=0.1.0 --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=3356 --field-trial-handle=1768,i,14235884189556593387,99975961870350060,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /pfhostedapp:22cf3813cc3fb47e8e5237db4ddf04b342ba616f /prefetch:1
                3⤵
                  PID:4300
                • 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=audio.mojom.AudioService --lang=en-US --service-sandbox-type=audio --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\com.umi.app\EBWebView" --webview-exe-name=umi.exe --webview-exe-version=0.1.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --mojo-platform-channel-handle=3704 --field-trial-handle=1768,i,14235884189556593387,99975961870350060,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:8 /pfhostedapp:22cf3813cc3fb47e8e5237db4ddf04b342ba616f
                  3⤵
                    PID:5492
                  • 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=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\com.umi.app\EBWebView" --webview-exe-name=umi.exe --webview-exe-version=0.1.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --mojo-platform-channel-handle=4592 --field-trial-handle=1768,i,14235884189556593387,99975961870350060,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:8 /pfhostedapp:22cf3813cc3fb47e8e5237db4ddf04b342ba616f
                    3⤵
                      PID:1292
                    • 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=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\com.umi.app\EBWebView" --webview-exe-name=umi.exe --webview-exe-version=0.1.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --mojo-platform-channel-handle=4772 --field-trial-handle=1768,i,14235884189556593387,99975961870350060,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:8 /pfhostedapp:22cf3813cc3fb47e8e5237db4ddf04b342ba616f
                      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=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.umi.app\EBWebView" --webview-exe-name=umi.exe --webview-exe-version=0.1.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --gpu-preferences=WAAAAAAAAADoAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAABEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=4900 --field-trial-handle=1768,i,14235884189556593387,99975961870350060,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:8 /pfhostedapp:22cf3813cc3fb47e8e5237db4ddf04b342ba616f
                        3⤵
                        • Suspicious behavior: EnumeratesProcesses
                        PID:1948
                      • 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=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\com.umi.app\EBWebView" --webview-exe-name=umi.exe --webview-exe-version=0.1.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --mojo-platform-channel-handle=4920 --field-trial-handle=1768,i,14235884189556593387,99975961870350060,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:8 /pfhostedapp:22cf3813cc3fb47e8e5237db4ddf04b342ba616f
                        3⤵
                          PID:1648
                      • C:\Users\Admin\AppData\Roaming\umi\bin\luau-lsp.exe
                        "C:\Users\Admin\AppData\Roaming\umi\bin\luau-lsp.exe" lsp --definitions=C:\Users\Admin\AppData\Roaming\umi\bin\lsp\defs\globalTypes.d.luau --docs=C:\Users\Admin\AppData\Roaming\umi\bin\lsp\defs\api-docs.json --flag:LuauSolverV2=true
                        2⤵
                        • Executes dropped EXE
                        PID:4472

                    Network

                          MITRE ATT&CK Enterprise v16

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          settings.dat

                          • Path C:\Users\Admin\AppData\Local\com.umi.app\EBWebView\Crashpad\settings.dat
                          • Size 280B
                          • SHA256 70c86d612c21ca6b24aaade5fb2c4091e3a67c2bbdd9453650939f9b052cd784
                          • MD5 SHA1 SHA512 TLSH

                          settings.dat

                          • Path C:\Users\Admin\AppData\Local\com.umi.app\EBWebView\Crashpad\settings.dat
                          • Size 280B
                          • SHA256 64abf1a7d77b4882b8302cbbedcedbdf542f6c14c1f7fd887f1240008cd8f78a
                          • MD5 SHA1 SHA512

                          throttle_store.dat

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

                          the-real-index

                          • Path C:\Users\Admin\AppData\Local\com.umi.app\EBWebView\Default\Code Cache\js\index-dir\the-real-index
                          • Size 48B
                          • SHA256 2211fd495eeec866499a4df834d5eaffe80840652779a8663f23092f3356c74b
                          • MD5 SHA1 SHA512

                          the-real-index

                          • Path C:\Users\Admin\AppData\Local\com.umi.app\EBWebView\Default\Code Cache\js\index-dir\the-real-index
                          • Size 144B
                          • SHA256 1c9ebf115f4979a1b08c60b1dbbfdcf96f9d63f509101d8b279ed0c07e412140
                          • MD5 SHA1 SHA512 TLSH

                          MANIFEST-000001

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

                          Network Persistent State

                          • Path C:\Users\Admin\AppData\Local\com.umi.app\EBWebView\Default\Network\Network Persistent State
                          • Size 1KB
                          • SHA256 25a71044e156b5dea054de1bf7b0d92a640b15af245a29627fa2a69965634b61
                          • MD5 SHA1 SHA512 TLSH

                          Network Persistent State~RFe5a5b21.TMP

                          • Path C:\Users\Admin\AppData\Local\com.umi.app\EBWebView\Default\Network\Network Persistent State~RFe5a5b21.TMP
                          • Size 59B
                          • SHA256 226eec4486509917aa336afebd6ff65777b75b65f1fb06891d2a857a9421a974
                          • MD5 SHA1 SHA512 TLSH

                          SCT Auditing Pending Reports

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

                          Preferences

                          • Path C:\Users\Admin\AppData\Local\com.umi.app\EBWebView\Default\Preferences
                          • Size 6KB
                          • SHA256 a6d3da2851be9bd815b4130f1012e7c219cdb3e94aff71b65608ae4c8ebd0532
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          CURRENT

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

                          f610315f-f078-47fa-889a-71d86d8a43e5.tmp

                          • Path C:\Users\Admin\AppData\Local\com.umi.app\EBWebView\Default\f610315f-f078-47fa-889a-71d86d8a43e5.tmp
                          • Size 6KB
                          • SHA256 5143db605f7a423a1745657dbc686b82035b7b3df8730b570bf72dde5036e1f0
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          data_0

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

                          data_1

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

                          data_2

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

                          data_3

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

                          Local State

                          • Path C:\Users\Admin\AppData\Local\com.umi.app\EBWebView\Local State
                          • Size 2KB
                          • SHA256 790e93258c5795ee2eaef3b3092f76274d978dda1b5bc4ee8154c1af5c5cd5a0
                          • MD5 SHA1 SHA512 TLSH

                          Local State

                          • Path C:\Users\Admin\AppData\Local\com.umi.app\EBWebView\Local State
                          • Size 3KB
                          • SHA256 4ba9bafcc3eca8d54077919fd9e2be12caf1d8b49e617870f3d0682f7f6065eb
                          • MD5 SHA1 SHA512 TLSH

                          Local State

                          • Path C:\Users\Admin\AppData\Local\com.umi.app\EBWebView\Local State
                          • Size 15KB
                          • SHA256 cda03f5b24eee34cabc1bd13ce6a54261d949c06d68d78057582cce8256b12b7
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          Local State~RFe594675.TMP

                          • Path C:\Users\Admin\AppData\Local\com.umi.app\EBWebView\Local State~RFe594675.TMP
                          • Size 1KB
                          • SHA256 94f8dbff05286df599d2fd031a92166c437d5914da9605863fef11f66dfd3af4
                          • MD5 SHA1 SHA512 TLSH

                          api-docs.json

                          • Path C:\Users\Admin\AppData\Roaming\umi\bin\lsp\defs\api-docs.json
                          • Size 7.0MB
                          • SHA256 704c689b1f7f624307302619c9811dfb962227dfda0e368742dd34fe696b6ab2
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          luau-lsp.exe

                          • Path C:\Users\Admin\AppData\Roaming\umi\bin\luau-lsp.exe
                          • Size 16.3MB
                          • SHA256 0da4f09d474e41074f4ec52bfef01eb90c014928358eda88f6a5afad5319b537
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          memory/1292-281-0x00007FF86A770000-0x00007FF86A771000-memory.dmp

                          memory/1292-282-0x00007FF869AB0000-0x00007FF869AB1000-memory.dmp

                          memory/1948-353-0x0000025395A90000-0x0000025395A91000-memory.dmp

                          memory/1948-347-0x0000025395A90000-0x0000025395A91000-memory.dmp

                          memory/1948-345-0x0000025395A90000-0x0000025395A91000-memory.dmp

                          memory/1948-356-0x0000025395A90000-0x0000025395A91000-memory.dmp

                          memory/1948-355-0x0000025395A90000-0x0000025395A91000-memory.dmp

                          memory/1948-354-0x0000025395A90000-0x0000025395A91000-memory.dmp

                          memory/1948-352-0x0000025395A90000-0x0000025395A91000-memory.dmp

                          memory/1948-351-0x0000025395A90000-0x0000025395A91000-memory.dmp

                          memory/1948-357-0x0000025393800000-0x0000025393A8B000-memory.dmp

                          memory/3600-220-0x000001E7D5EF0000-0x000001E7D5FC3000-memory.dmp

                          memory/3600-221-0x000001E7D8FE0000-0x000001E7D926B000-memory.dmp

                          memory/3600-19-0x00007FF86ABE0000-0x00007FF86ABE1000-memory.dmp

                          memory/4300-62-0x00007FF86ABE0000-0x00007FF86ABE1000-memory.dmp