Analysis

  • user interaction
    yes
  • max time kernel
    15s
  • max time network
    32s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    08/07/2026, 22:19

General

  • Target
    Madium-Bootstrapper.exe
  • Size 6.9MB
  • Sample260708-18g1wsay21
  • SHA256 1650251facc91ff98b7c710c9a3949ddcc1c91c08fd4c789ca0295be977c0b26
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Network Share Discovery 1 TTPs

    Attempt to gather information on host network.

  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 42 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies registry class 14 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 16 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: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=Madium-Bootstrapper.exe --user-data-dir="C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{E948B843-17BA-4259-839E-81A94DBB39B0}\wv2\EBWebView" --noerrdialogs --embedded-browser-webview-dpi-awareness=2 --enable-features=MojoIpcz --mojo-named-platform-channel-pipe=3400.5608.5878910866041193064 /pfhostedapp:91548926a8b24d675e8f16d6b081084a6ffdf5c9
      2⤵
      • Drops file in Windows directory
      • Enumerates system info in registry
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of WriteProcessMemory
      PID:4988
      • 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-{E948B843-17BA-4259-839E-81A94DBB39B0}\wv2\EBWebView /prefetch:4 /pfhostedapp:91548926a8b24d675e8f16d6b081084a6ffdf5c9 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{E948B843-17BA-4259-839E-81A94DBB39B0}\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=0x190,0x194,0x198,0x16c,0x114,0x7fff43175fd8,0x7fff43175fe4,0x7fff43175ff0
        3⤵
          PID:3408
        • 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-{E948B843-17BA-4259-839E-81A94DBB39B0}\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=1784 --field-trial-handle=1788,i,9891085880100030393,8757865983589420637,262144 --enable-features=MojoIpcz --variations-seed-version /prefetch:2 /pfhostedapp:91548926a8b24d675e8f16d6b081084a6ffdf5c9
          3⤵
            PID:428
          • 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-{E948B843-17BA-4259-839E-81A94DBB39B0}\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=2020 --field-trial-handle=1788,i,9891085880100030393,8757865983589420637,262144 --enable-features=MojoIpcz --variations-seed-version /prefetch:3 /pfhostedapp:91548926a8b24d675e8f16d6b081084a6ffdf5c9
            3⤵
              PID:5592
            • 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-{E948B843-17BA-4259-839E-81A94DBB39B0}\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=2384 --field-trial-handle=1788,i,9891085880100030393,8757865983589420637,262144 --enable-features=MojoIpcz --variations-seed-version /prefetch:8 /pfhostedapp:91548926a8b24d675e8f16d6b081084a6ffdf5c9
              3⤵
                PID:4524
              • 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-{E948B843-17BA-4259-839E-81A94DBB39B0}\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=3512 --field-trial-handle=1788,i,9891085880100030393,8757865983589420637,262144 --enable-features=MojoIpcz --variations-seed-version /pfhostedapp:91548926a8b24d675e8f16d6b081084a6ffdf5c9 /prefetch:1
                3⤵
                  PID:3004
            • C:\Windows\system32\sihost.exe
              sihost.exe
              1⤵
              • Suspicious use of FindShellTrayWindow
              • Suspicious use of WriteProcessMemory
              PID:5268
              • C:\Windows\explorer.exe
                explorer.exe /LOADSAVEDWINDOWS
                2⤵
                • Boot or Logon Autostart Execution: Active Setup
                • Enumerates connected drives
                • Checks SCSI registry key(s)
                • Modifies Internet Explorer settings
                • Modifies registry class
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of FindShellTrayWindow
                • Suspicious use of SendNotifyMessage
                PID:5720
            • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
              "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
              1⤵
                PID:4868
              • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                1⤵
                  PID:5424

                Network

                      MITRE ATT&CK Enterprise v16

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      prep_Activatable Class_Hermes_perf.cache

                      • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
                      • Size 599B
                      • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
                      • MD5 SHA1 SHA512 TLSH

                      settings.dat

                      • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{E948B843-17BA-4259-839E-81A94DBB39B0}\wv2\EBWebView\Crashpad\settings.dat
                      • Size 280B
                      • SHA256 e524f2c3013966e2124a4dc7de914094c4bd064dbcca1e67c48d001531680a85
                      • MD5 SHA1 SHA512 TLSH

                      settings.dat

                      • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{E948B843-17BA-4259-839E-81A94DBB39B0}\wv2\EBWebView\Crashpad\settings.dat
                      • Size 280B
                      • SHA256 6184ea3fa9f7de0bb5c7f22a8ca55f3a5cd49cc1d691a5afa476d0ed18eb0641
                      • MD5 SHA1 SHA512 TLSH

                      throttle_store.dat

                      • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{E948B843-17BA-4259-839E-81A94DBB39B0}\wv2\EBWebView\Crashpad\throttle_store.dat
                      • Size 20B
                      • SHA256 41c91a9c93d76295746a149dce7ebb3b9ee2cb551d84365fff108e59a61cc304
                      • MD5 SHA1 SHA512

                      MANIFEST-000001

                      • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{E948B843-17BA-4259-839E-81A94DBB39B0}\wv2\EBWebView\Default\Extension Rules\MANIFEST-000001
                      • Size 41B
                      • SHA256 f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4
                      • MD5 SHA1 SHA512

                      SCT Auditing Pending Reports

                      • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{E948B843-17BA-4259-839E-81A94DBB39B0}\wv2\EBWebView\Default\Network\SCT Auditing Pending Reports
                      • Size 2B
                      • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                      • MD5 SHA1 SHA512

                      CURRENT

                      • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{E948B843-17BA-4259-839E-81A94DBB39B0}\wv2\EBWebView\Default\Site Characteristics Database\CURRENT
                      • Size 16B
                      • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
                      • MD5 SHA1 SHA512

                      data_0

                      • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{E948B843-17BA-4259-839E-81A94DBB39B0}\wv2\EBWebView\GraphiteDawnCache\data_0
                      • Size 8KB
                      • SHA256 d6a5fe39cd672781b256e0e3102f7022635f1d4bb7cfcc90a80fffe4d0f3877e
                      • MD5 SHA1 SHA512 SSDEEP

                      data_1

                      • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{E948B843-17BA-4259-839E-81A94DBB39B0}\wv2\EBWebView\GraphiteDawnCache\data_1
                      • Size 264KB
                      • SHA256 902f30c1fb0597d0734bc34b979ec5d131f8f39a4b71b338083821216ec8d61b
                      • MD5 SHA1 SHA512 SSDEEP

                      data_2

                      • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{E948B843-17BA-4259-839E-81A94DBB39B0}\wv2\EBWebView\GraphiteDawnCache\data_2
                      • Size 8KB
                      • SHA256 ec1702806f4cc7c42a82fc2b38e89835fde7c64bb32060e0823c9077ca92efb7
                      • MD5 SHA1 SHA512 SSDEEP

                      data_3

                      • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{E948B843-17BA-4259-839E-81A94DBB39B0}\wv2\EBWebView\GraphiteDawnCache\data_3
                      • Size 8KB
                      • SHA256 e09f42c398d688dce168570291f1f92d079987deda3099a34adb9e8c0522b30c
                      • MD5 SHA1 SHA512 SSDEEP

                      Local State

                      • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{E948B843-17BA-4259-839E-81A94DBB39B0}\wv2\EBWebView\Local State
                      • Size 2KB
                      • SHA256 c3f41a65b2fb8f7e4562583be5cb0f2777968a121bed0c0bcebd7c39be2f1b49
                      • MD5 SHA1 SHA512 TLSH

                      Local State

                      • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{E948B843-17BA-4259-839E-81A94DBB39B0}\wv2\EBWebView\Local State
                      • Size 3KB
                      • SHA256 b681aea2996ad8e83abca3ec344c1871fdad2b716452ee3f1aacab11302f3b79
                      • MD5 SHA1 SHA512 TLSH

                      Local State

                      • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{E948B843-17BA-4259-839E-81A94DBB39B0}\wv2\EBWebView\Local State
                      • Size 4KB
                      • SHA256 7db10724a1a2aff142bcd93b0af55e80c8ae5b71100ea0e901f06464ebf34f8f
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      Local State~RFe597620.TMP

                      • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{E948B843-17BA-4259-839E-81A94DBB39B0}\wv2\EBWebView\Local State~RFe597620.TMP
                      • Size 1KB
                      • SHA256 4152415a0d789ecbef4500bd93c125fff38386031e502e0c7c5e613ac6b03c7d
                      • MD5 SHA1 SHA512 TLSH

                      Madium.lnk

                      • Path C:\Users\Admin\Desktop\Madium.lnk
                      • Size 1KB
                      • SHA256 a018a98815ca5532e9dec0334e9b113e93af0bf07a4757142b35399ce54dea6a
                      • MD5 SHA1 SHA512 TLSH

                      memory/428-28-0x00007FFF65550000-0x00007FFF65551000-memory.dmp

                      memory/3004-124-0x00007FFF65550000-0x00007FFF65551000-memory.dmp

                      memory/4868-359-0x0000022B02D70000-0x0000022B02D90000-memory.dmp

                      memory/4868-337-0x0000022B02A30000-0x0000022B02A50000-memory.dmp

                      memory/4868-328-0x0000022B001E0000-0x0000022B002E0000-memory.dmp

                      memory/4868-373-0x0000022B14310000-0x0000022B14330000-memory.dmp

                      memory/4868-339-0x0000022B02E70000-0x0000022B02F70000-memory.dmp

                      memory/4868-327-0x0000022B001E0000-0x0000022B002E0000-memory.dmp

                      memory/5424-502-0x0000016680970000-0x0000016680C2C000-memory.dmp