Analysis

  • user interaction
    yes
  • max time kernel
    118s
  • max time network
    115s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/08/2026, 11:17

General

  • Target
    Madium-Bootstrapper.exe
  • Size 6.9MB
  • Sample260802-ndyzpsytfx
  • SHA256 1650251facc91ff98b7c710c9a3949ddcc1c91c08fd4c789ca0295be977c0b26
  • 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 physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Madium-Bootstrapper.exe
    "C:\Users\Admin\AppData\Local\Temp\Madium-Bootstrapper.exe"
    1⤵
    • Checks whether UAC is enabled
    • Suspicious use of WriteProcessMemory
    PID:2688
    • 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=Madium-Bootstrapper.exe --user-data-dir="C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{CBF5DE26-D8E6-4623-B01C-C70FBDF72544}\wv2\EBWebView" --noerrdialogs --embedded-browser-webview-dpi-awareness=2 --enable-features=MojoIpcz --mojo-named-platform-channel-pipe=2688.3212.12015666616975412586 /pfhostedapp:573608ba403a8e4ef0fa5959941d3a9d1c5f1315
      2⤵
      • Enumerates system info in registry
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of WriteProcessMemory
      PID:4124
      • 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\Temp\MadiumLottie-{CBF5DE26-D8E6-4623-B01C-C70FBDF72544}\wv2\EBWebView /prefetch:4 /pfhostedapp:573608ba403a8e4ef0fa5959941d3a9d1c5f1315 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{CBF5DE26-D8E6-4623-B01C-C70FBDF72544}\wv2\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,0x190,0x184,0x114,0x7ffbfba95fd8,0x7ffbfba95fe4,0x7ffbfba95ff0
        3⤵
          PID:4156
        • 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\Temp\MadiumLottie-{CBF5DE26-D8E6-4623-B01C-C70FBDF72544}\wv2\EBWebView" --webview-exe-name=Madium-Bootstrapper.exe --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=1840 --field-trial-handle=1968,i,6685392641322307732,2394871904441688226,262144 --enable-features=MojoIpcz --variations-seed-version /prefetch:2 /pfhostedapp:573608ba403a8e4ef0fa5959941d3a9d1c5f1315
          3⤵
            PID:5432
          • 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\Temp\MadiumLottie-{CBF5DE26-D8E6-4623-B01C-C70FBDF72544}\wv2\EBWebView" --webview-exe-name=Madium-Bootstrapper.exe --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --no-appcompat-clear --mojo-platform-channel-handle=2148 --field-trial-handle=1968,i,6685392641322307732,2394871904441688226,262144 --enable-features=MojoIpcz --variations-seed-version /prefetch:3 /pfhostedapp:573608ba403a8e4ef0fa5959941d3a9d1c5f1315
            3⤵
              PID:2432
            • 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\Temp\MadiumLottie-{CBF5DE26-D8E6-4623-B01C-C70FBDF72544}\wv2\EBWebView" --webview-exe-name=Madium-Bootstrapper.exe --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --no-appcompat-clear --mojo-platform-channel-handle=2304 --field-trial-handle=1968,i,6685392641322307732,2394871904441688226,262144 --enable-features=MojoIpcz --variations-seed-version /prefetch:8 /pfhostedapp:573608ba403a8e4ef0fa5959941d3a9d1c5f1315
              3⤵
                PID:1416
              • 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\Temp\MadiumLottie-{CBF5DE26-D8E6-4623-B01C-C70FBDF72544}\wv2\EBWebView" --webview-exe-name=Madium-Bootstrapper.exe --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --no-appcompat-clear --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=3424 --field-trial-handle=1968,i,6685392641322307732,2394871904441688226,262144 --enable-features=MojoIpcz --variations-seed-version /pfhostedapp:573608ba403a8e4ef0fa5959941d3a9d1c5f1315 /prefetch:1
                3⤵
                  PID:264
            • C:\Windows\System32\rundll32.exe
              C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
              1⤵
                PID:2368

              Network

                    MITRE ATT&CK Enterprise v16

                    Replay Monitor

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                    Downloads

                    settings.dat

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{CBF5DE26-D8E6-4623-B01C-C70FBDF72544}\wv2\EBWebView\Crashpad\settings.dat
                    • Size 280B
                    • SHA256 1e4d9854d3459c1989ce2afe5fb89591de4217d9d03e53b3b6ab0c54b52c0f19
                    • MD5 SHA1 SHA512 TLSH

                    settings.dat

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{CBF5DE26-D8E6-4623-B01C-C70FBDF72544}\wv2\EBWebView\Crashpad\settings.dat
                    • Size 280B
                    • SHA256 723b4e542eaf7b5541365a01ff3d4199a0cb2119224132fd42acaa9b8c9dd393
                    • MD5 SHA1 SHA512 TLSH

                    settings.dat

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{CBF5DE26-D8E6-4623-B01C-C70FBDF72544}\wv2\EBWebView\Crashpad\settings.dat
                    • Size 280B
                    • SHA256 127d1c1344d14442fae3d92b335839dc3d32408da438a82e45d6217c46498928
                    • MD5 SHA1 SHA512

                    throttle_store.dat

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{CBF5DE26-D8E6-4623-B01C-C70FBDF72544}\wv2\EBWebView\Crashpad\throttle_store.dat
                    • Size 20B
                    • SHA256 41c91a9c93d76295746a149dce7ebb3b9ee2cb551d84365fff108e59a61cc304
                    • MD5 SHA1 SHA512

                    000001.dbtmp

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{CBF5DE26-D8E6-4623-B01C-C70FBDF72544}\wv2\EBWebView\Default\Extension Rules\000001.dbtmp
                    • Size 16B
                    • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
                    • MD5 SHA1 SHA512

                    Network Persistent State

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{CBF5DE26-D8E6-4623-B01C-C70FBDF72544}\wv2\EBWebView\Default\Network\Network Persistent State
                    • Size 111B
                    • SHA256 5dfc321417fc31359f23320ea68014ebfd793c5bbed55f77dab4180bbd4a2026
                    • MD5 SHA1 SHA512 TLSH

                    Network Persistent State~RFe5a5380.TMP

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{CBF5DE26-D8E6-4623-B01C-C70FBDF72544}\wv2\EBWebView\Default\Network\Network Persistent State~RFe5a5380.TMP
                    • Size 59B
                    • SHA256 226eec4486509917aa336afebd6ff65777b75b65f1fb06891d2a857a9421a974
                    • MD5 SHA1 SHA512 TLSH

                    SCT Auditing Pending Reports

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{CBF5DE26-D8E6-4623-B01C-C70FBDF72544}\wv2\EBWebView\Default\Network\SCT Auditing Pending Reports
                    • Size 2B
                    • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                    • MD5 SHA1 SHA512

                    Preferences

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{CBF5DE26-D8E6-4623-B01C-C70FBDF72544}\wv2\EBWebView\Default\Preferences
                    • Size 5KB
                    • SHA256 ae1bdce2a981e1316e18e365ec6116a2dd3c80b13cb6c8c8c0ca02f963c4c890
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    MANIFEST-000001

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{CBF5DE26-D8E6-4623-B01C-C70FBDF72544}\wv2\EBWebView\Default\Sync Data\LevelDB\MANIFEST-000001
                    • Size 41B
                    • SHA256 f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4
                    • MD5 SHA1 SHA512

                    data_0

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{CBF5DE26-D8E6-4623-B01C-C70FBDF72544}\wv2\EBWebView\GraphiteDawnCache\data_0
                    • Size 8KB
                    • SHA256 d6a5fe39cd672781b256e0e3102f7022635f1d4bb7cfcc90a80fffe4d0f3877e
                    • MD5 SHA1 SHA512 SSDEEP

                    data_1

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{CBF5DE26-D8E6-4623-B01C-C70FBDF72544}\wv2\EBWebView\GraphiteDawnCache\data_1
                    • Size 264KB
                    • SHA256 902f30c1fb0597d0734bc34b979ec5d131f8f39a4b71b338083821216ec8d61b
                    • MD5 SHA1 SHA512 SSDEEP

                    data_2

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{CBF5DE26-D8E6-4623-B01C-C70FBDF72544}\wv2\EBWebView\GraphiteDawnCache\data_2
                    • Size 8KB
                    • SHA256 ec1702806f4cc7c42a82fc2b38e89835fde7c64bb32060e0823c9077ca92efb7
                    • MD5 SHA1 SHA512 SSDEEP

                    data_3

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{CBF5DE26-D8E6-4623-B01C-C70FBDF72544}\wv2\EBWebView\GraphiteDawnCache\data_3
                    • Size 8KB
                    • SHA256 e09f42c398d688dce168570291f1f92d079987deda3099a34adb9e8c0522b30c
                    • MD5 SHA1 SHA512 SSDEEP

                    Local State

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{CBF5DE26-D8E6-4623-B01C-C70FBDF72544}\wv2\EBWebView\Local State
                    • Size 2KB
                    • SHA256 efde5e3592d1e61ef822a4408daa699780ee9be47675eef76f569f001b35cb85
                    • MD5 SHA1 SHA512 TLSH

                    Local State

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{CBF5DE26-D8E6-4623-B01C-C70FBDF72544}\wv2\EBWebView\Local State
                    • Size 3KB
                    • SHA256 6a503c019bcd155bc73caa397d265002a373fa66d25fb3dcf7b2af9b3bdb4055
                    • MD5 SHA1 SHA512 TLSH

                    Local State

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{CBF5DE26-D8E6-4623-B01C-C70FBDF72544}\wv2\EBWebView\Local State
                    • Size 15KB
                    • SHA256 426e039f2cecc0bfb1e4185d03255e637e9e10d2a1ede46f148406d372d0bdc1
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    Local State~RFe594f7e.TMP

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{CBF5DE26-D8E6-4623-B01C-C70FBDF72544}\wv2\EBWebView\Local State~RFe594f7e.TMP
                    • Size 1KB
                    • SHA256 8b05493cb9c079576642df9da23bb50269b3f09f29be1510a1a4c70a173cf85f
                    • MD5 SHA1 SHA512 TLSH

                    memory/264-106-0x00007FFC1D490000-0x00007FFC1D491000-memory.dmp

                    memory/5432-33-0x00007FFC1D490000-0x00007FFC1D491000-memory.dmp