Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    11/10/2026, 02:10

General

  • Target
    RustPEP.exe
  • Size 10.9MB
  • Sample261011-cl33vatzbs
  • SHA256 9c09c83a4433e055fc4d31e0452b74149c8ae1789ec765faf388395f38133499
  • 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 17 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RustPEP.exe
    "C:\Users\Admin\AppData\Local\Temp\RustPEP.exe"
    1⤵
    • Checks whether UAC is enabled
    • Suspicious use of WriteProcessMemory
    PID:3400
    • 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=RustPEP.exe --webview-exe-version=0.1.0 --user-data-dir="C:\Users\Admin\AppData\Local\com.rustpep.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=3400.4944.17266671702908892150 /pfhostedapp:e1c28f9d535984df8be7d99a5976fd5d3335d106
      2⤵
      • Drops file in Windows directory
      • Enumerates system info in registry
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of WriteProcessMemory
      PID:1060
      • 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.rustpep.app\EBWebView /prefetch:4 /pfhostedapp:e1c28f9d535984df8be7d99a5976fd5d3335d106 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\com.rustpep.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,0x140,0x194,0x7ffa95675fd8,0x7ffa95675fe4,0x7ffa95675ff0
        3⤵
          PID:4224
        • 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.rustpep.app\EBWebView" --webview-exe-name=RustPEP.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=1780 --field-trial-handle=1788,i,162325164399346715,2674209529297950709,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:2 /pfhostedapp:e1c28f9d535984df8be7d99a5976fd5d3335d106
          3⤵
            PID:4120
          • 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.rustpep.app\EBWebView" --webview-exe-name=RustPEP.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=2036 --field-trial-handle=1788,i,162325164399346715,2674209529297950709,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:3 /pfhostedapp:e1c28f9d535984df8be7d99a5976fd5d3335d106
            3⤵
              PID:3836
            • 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.rustpep.app\EBWebView" --webview-exe-name=RustPEP.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=2520 --field-trial-handle=1788,i,162325164399346715,2674209529297950709,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:8 /pfhostedapp:e1c28f9d535984df8be7d99a5976fd5d3335d106
              3⤵
                PID:404
              • 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.rustpep.app\EBWebView" --webview-exe-name=RustPEP.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=3336 --field-trial-handle=1788,i,162325164399346715,2674209529297950709,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /pfhostedapp:e1c28f9d535984df8be7d99a5976fd5d3335d106 /prefetch:1
                3⤵
                  PID:3424
                • 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.rustpep.app\EBWebView" --webview-exe-name=RustPEP.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=4036 --field-trial-handle=1788,i,162325164399346715,2674209529297950709,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:8 /pfhostedapp:e1c28f9d535984df8be7d99a5976fd5d3335d106
                  3⤵
                    PID:3392
                  • 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.rustpep.app\EBWebView" --webview-exe-name=RustPEP.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=4036 --field-trial-handle=1788,i,162325164399346715,2674209529297950709,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:8 /pfhostedapp:e1c28f9d535984df8be7d99a5976fd5d3335d106
                    3⤵
                      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=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.rustpep.app\EBWebView" --webview-exe-name=RustPEP.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=824 --field-trial-handle=1788,i,162325164399346715,2674209529297950709,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:8 /pfhostedapp:e1c28f9d535984df8be7d99a5976fd5d3335d106
                      3⤵
                      • Suspicious behavior: EnumeratesProcesses
                      PID:5652

                Network

                      MITRE ATT&CK Enterprise v16

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      34a19c44-2d17-41ce-a769-d58019b3eedd.tmp

                      • Path C:\Users\Admin\AppData\Local\com.rustpep.app\EBWebView\34a19c44-2d17-41ce-a769-d58019b3eedd.tmp
                      • Size 2KB
                      • SHA256 f53ad6e1fe2421b9dbcb65dcd1c74e51a26d82b1f310f2e76c20bf4016294bbc
                      • MD5 SHA1 SHA512 TLSH

                      72074d89-967b-44cb-9985-2a728c6d3b3d.tmp

                      • Path C:\Users\Admin\AppData\Local\com.rustpep.app\EBWebView\72074d89-967b-44cb-9985-2a728c6d3b3d.tmp
                      • Size 15KB
                      • SHA256 1de19493dbd521760105ff55b3cf26336abb52590f6b8b694698871ac5e6326a
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      settings.dat

                      • Path C:\Users\Admin\AppData\Local\com.rustpep.app\EBWebView\Crashpad\settings.dat
                      • Size 280B
                      • SHA256 331b5450e09ee0fd4c2924bbe206306fac906944774156d3c3a957157cb04bea
                      • MD5 SHA1 SHA512 TLSH

                      settings.dat

                      • Path C:\Users\Admin\AppData\Local\com.rustpep.app\EBWebView\Crashpad\settings.dat
                      • Size 280B
                      • SHA256 4d62035a160877fe4058ea680939d8668e3fce8e407640849595068574efec3a
                      • MD5 SHA1 SHA512

                      throttle_store.dat

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

                      36c14051-eaa0-4214-9f85-04e70860f707.tmp

                      • Path C:\Users\Admin\AppData\Local\com.rustpep.app\EBWebView\Default\36c14051-eaa0-4214-9f85-04e70860f707.tmp
                      • Size 6KB
                      • SHA256 43c354512f677490d3b1ebfa354b58e8d536dff1757045f535ca07c367a14220
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      5e5e4c55-fe1f-47bb-9481-e20cd21bd175.tmp

                      • Path C:\Users\Admin\AppData\Local\com.rustpep.app\EBWebView\Default\5e5e4c55-fe1f-47bb-9481-e20cd21bd175.tmp
                      • Size 6KB
                      • SHA256 637e88ef747127e95d87e3363a7324d6dff83c5584f9e4e7ce13597a2913f129
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      temp-index

                      • Path C:\Users\Admin\AppData\Local\com.rustpep.app\EBWebView\Default\Code Cache\js\index-dir\temp-index
                      • Size 96B
                      • SHA256 a5775d9dab9bf545eef04db8a80506bcd728edd0ec067b000b200ab337e241f6
                      • MD5 SHA1 SHA512 TLSH

                      the-real-index

                      • Path C:\Users\Admin\AppData\Local\com.rustpep.app\EBWebView\Default\Code Cache\js\index-dir\the-real-index
                      • Size 48B
                      • SHA256 1e2d12da49e770f9bd631a89cd2ca03d2608da4d528efae7b9216fa17cfb656d
                      • MD5 SHA1 SHA512

                      742482f4-f574-4d98-9b4f-81d77b36feee.tmp

                      • Path C:\Users\Admin\AppData\Local\com.rustpep.app\EBWebView\Default\Network\742482f4-f574-4d98-9b4f-81d77b36feee.tmp
                      • Size 111B
                      • SHA256 5dfc321417fc31359f23320ea68014ebfd793c5bbed55f77dab4180bbd4a2026
                      • MD5 SHA1 SHA512 TLSH

                      Network Persistent State

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

                      SCT Auditing Pending Reports

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

                      CURRENT

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

                      MANIFEST-000001

                      • Path C:\Users\Admin\AppData\Local\com.rustpep.app\EBWebView\Default\Sync Data\LevelDB\MANIFEST-000001
                      • Size 41B
                      • SHA256 f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4
                      • MD5 SHA1 SHA512

                      data_0

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

                      data_1

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

                      data_2

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

                      data_3

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

                      Local State

                      • Path C:\Users\Admin\AppData\Local\com.rustpep.app\EBWebView\Local State
                      • Size 1KB
                      • SHA256 2ced6f9d3ef89025a4724d26925c28fe067e11701461b38eccabf3fbb362953a
                      • MD5 SHA1 SHA512 TLSH

                      b5f72a3d-35fe-4347-9917-2f7fff68047f.tmp

                      • Path C:\Users\Admin\AppData\Local\com.rustpep.app\EBWebView\b5f72a3d-35fe-4347-9917-2f7fff68047f.tmp
                      • Size 3KB
                      • SHA256 757614b1ce0284638a6223ee8d827ec11a9789f597ab884f32a80c81aecebd2d
                      • MD5 SHA1 SHA512 TLSH

                      manifest.json

                      • Path C:\Windows\SystemTemp\chrome_Unpacker_BeginUnzipping1060_1078427039\manifest.json
                      • Size 113B
                      • SHA256 98821f71a1973ac61b45967ce0c121eb598ac6e95abaa23c912d2f33e4237d8c
                      • MD5 SHA1 SHA512 TLSH

                      manifest.json

                      • Path C:\Windows\SystemTemp\chrome_Unpacker_BeginUnzipping1060_1463607030\manifest.json
                      • Size 116B
                      • SHA256 181a1631374b5ac1fff89559f7e23498ad9ee4796885d7b956d5e7d5f9c3f8c7
                      • MD5 SHA1 SHA512 TLSH

                      memory/3392-243-0x00007FFAB5D10000-0x00007FFAB5D11000-memory.dmp

                      memory/3392-242-0x00007FFAB6090000-0x00007FFAB6091000-memory.dmp

                      memory/3424-70-0x00007FFAB77F0000-0x00007FFAB77F1000-memory.dmp

                      memory/4120-25-0x00007FFAB77F0000-0x00007FFAB77F1000-memory.dmp

                      memory/5652-316-0x0000017D8A9C0000-0x0000017D8A9C1000-memory.dmp

                      memory/5652-321-0x0000017D8A9C0000-0x0000017D8A9C1000-memory.dmp

                      memory/5652-325-0x0000017D8A9C0000-0x0000017D8A9C1000-memory.dmp

                      memory/5652-324-0x0000017D8A9C0000-0x0000017D8A9C1000-memory.dmp

                      memory/5652-323-0x0000017D8A9C0000-0x0000017D8A9C1000-memory.dmp

                      memory/5652-322-0x0000017D8A9C0000-0x0000017D8A9C1000-memory.dmp

                      memory/5652-320-0x0000017D8A9C0000-0x0000017D8A9C1000-memory.dmp

                      memory/5652-314-0x0000017D8A9C0000-0x0000017D8A9C1000-memory.dmp