Resubmissions

02/07/2026, 00:43

260702-a29jfsaw6w6

02/07/2026, 00:42

260702-a2q24saw5x6

Analysis

  • geolocation tags

    nanew-jerseynorth-americaunited-statesususa
  • max time kernel
    900s
  • max time network
    487s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/07/2026, 00:43

General

  • Target
    Madium-Bootstrapper.exe
  • Size 6.9MB
  • Sample260702-a29jfsaw6w
  • 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.

  • Drops file in Windows directory 1 IoCs
  • 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:4576
    • 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-{423D5FB3-D968-46A0-A156-B2EBC01B93A6}\wv2\EBWebView" --noerrdialogs --embedded-browser-webview-dpi-awareness=2 --enable-features=MojoIpcz --mojo-named-platform-channel-pipe=4576.1692.7213164600354969619 /pfhostedapp:1d1c85f4243a6bec4f9b97acfbdaf34992fd38d6
      2⤵
      • Drops file in Windows directory
      • Enumerates system info in registry
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of WriteProcessMemory
      PID:1680
      • 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-{423D5FB3-D968-46A0-A156-B2EBC01B93A6}\wv2\EBWebView /prefetch:4 /pfhostedapp:1d1c85f4243a6bec4f9b97acfbdaf34992fd38d6 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{423D5FB3-D968-46A0-A156-B2EBC01B93A6}\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,0x190,0x184,0x160,0x7fff63265fd8,0x7fff63265fe4,0x7fff63265ff0
        3⤵
          PID:1392
        • 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-{423D5FB3-D968-46A0-A156-B2EBC01B93A6}\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=1752 --field-trial-handle=1756,i,9671899196372890461,99624966319194283,262144 --enable-features=MojoIpcz --variations-seed-version /prefetch:2 /pfhostedapp:1d1c85f4243a6bec4f9b97acfbdaf34992fd38d6
          3⤵
            PID:5504
          • 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-{423D5FB3-D968-46A0-A156-B2EBC01B93A6}\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=1960 --field-trial-handle=1756,i,9671899196372890461,99624966319194283,262144 --enable-features=MojoIpcz --variations-seed-version /prefetch:3 /pfhostedapp:1d1c85f4243a6bec4f9b97acfbdaf34992fd38d6
            3⤵
              PID:4272
            • 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-{423D5FB3-D968-46A0-A156-B2EBC01B93A6}\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=1756,i,9671899196372890461,99624966319194283,262144 --enable-features=MojoIpcz --variations-seed-version /prefetch:8 /pfhostedapp:1d1c85f4243a6bec4f9b97acfbdaf34992fd38d6
              3⤵
                PID:5896
              • 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-{423D5FB3-D968-46A0-A156-B2EBC01B93A6}\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=3452 --field-trial-handle=1756,i,9671899196372890461,99624966319194283,262144 --enable-features=MojoIpcz --variations-seed-version /pfhostedapp:1d1c85f4243a6bec4f9b97acfbdaf34992fd38d6 /prefetch:1
                3⤵
                  PID:1160
            • C:\Windows\system32\svchost.exe
              C:\Windows\system32\svchost.exe -k GPSvcGroup
              1⤵
                PID:3392
              • C:\Windows\System32\SecurityHealthHost.exe
                \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
                1⤵
                  PID:5360

                Network

                      MITRE ATT&CK Enterprise v16

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      settings.dat

                      • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{423D5FB3-D968-46A0-A156-B2EBC01B93A6}\wv2\EBWebView\Crashpad\settings.dat
                      • Size 280B
                      • SHA256 167a45a3f84e6ee9dd08fc8628176ae54da5983ac737e66fc361dc920f415d3d
                      • MD5 SHA1 SHA512 TLSH

                      settings.dat

                      • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{423D5FB3-D968-46A0-A156-B2EBC01B93A6}\wv2\EBWebView\Crashpad\settings.dat
                      • Size 280B
                      • SHA256 e6d32a7adffcfff6e77c66a483a27732f66a8e2207a68cede41e57b11d9898dc
                      • MD5 SHA1 SHA512 TLSH

                      settings.dat

                      • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{423D5FB3-D968-46A0-A156-B2EBC01B93A6}\wv2\EBWebView\Crashpad\settings.dat
                      • Size 280B
                      • SHA256 387c193476919d25c816785cdd811c3b8db5c82628c007c47ea3f6881686613f
                      • MD5 SHA1 SHA512

                      throttle_store.dat

                      • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{423D5FB3-D968-46A0-A156-B2EBC01B93A6}\wv2\EBWebView\Crashpad\throttle_store.dat
                      • Size 20B
                      • SHA256 41c91a9c93d76295746a149dce7ebb3b9ee2cb551d84365fff108e59a61cc304
                      • MD5 SHA1 SHA512

                      MANIFEST-000001

                      • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{423D5FB3-D968-46A0-A156-B2EBC01B93A6}\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-{423D5FB3-D968-46A0-A156-B2EBC01B93A6}\wv2\EBWebView\Default\Network\SCT Auditing Pending Reports
                      • Size 2B
                      • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                      • MD5 SHA1 SHA512

                      CURRENT

                      • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{423D5FB3-D968-46A0-A156-B2EBC01B93A6}\wv2\EBWebView\Default\Site Characteristics Database\CURRENT
                      • Size 16B
                      • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
                      • MD5 SHA1 SHA512

                      data_0

                      • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{423D5FB3-D968-46A0-A156-B2EBC01B93A6}\wv2\EBWebView\GraphiteDawnCache\data_0
                      • Size 8KB
                      • SHA256 d6a5fe39cd672781b256e0e3102f7022635f1d4bb7cfcc90a80fffe4d0f3877e
                      • MD5 SHA1 SHA512 SSDEEP

                      data_1

                      • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{423D5FB3-D968-46A0-A156-B2EBC01B93A6}\wv2\EBWebView\GraphiteDawnCache\data_1
                      • Size 264KB
                      • SHA256 902f30c1fb0597d0734bc34b979ec5d131f8f39a4b71b338083821216ec8d61b
                      • MD5 SHA1 SHA512 SSDEEP

                      data_2

                      • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{423D5FB3-D968-46A0-A156-B2EBC01B93A6}\wv2\EBWebView\GraphiteDawnCache\data_2
                      • Size 8KB
                      • SHA256 ec1702806f4cc7c42a82fc2b38e89835fde7c64bb32060e0823c9077ca92efb7
                      • MD5 SHA1 SHA512 SSDEEP

                      data_3

                      • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{423D5FB3-D968-46A0-A156-B2EBC01B93A6}\wv2\EBWebView\GraphiteDawnCache\data_3
                      • Size 8KB
                      • SHA256 e09f42c398d688dce168570291f1f92d079987deda3099a34adb9e8c0522b30c
                      • MD5 SHA1 SHA512 SSDEEP

                      Local State

                      • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{423D5FB3-D968-46A0-A156-B2EBC01B93A6}\wv2\EBWebView\Local State
                      • Size 15KB
                      • SHA256 0bbfa3b3e76596509559a5caae284507bb34ae038dc49a555a2b2addce38a434
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      Local State

                      • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{423D5FB3-D968-46A0-A156-B2EBC01B93A6}\wv2\EBWebView\Local State
                      • Size 2KB
                      • SHA256 5173f25f6c00f27e061da7041afed5a460064f11764af983a63103de80c4aa54
                      • MD5 SHA1 SHA512 TLSH

                      Local State

                      • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{423D5FB3-D968-46A0-A156-B2EBC01B93A6}\wv2\EBWebView\Local State
                      • Size 3KB
                      • SHA256 9fd1211de4e3d0b8b6dd5999f3edc6d7233ea91e93a36223199a4c4a179fb3d8
                      • MD5 SHA1 SHA512 TLSH

                      Local State~RFe58bc75.TMP

                      • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{423D5FB3-D968-46A0-A156-B2EBC01B93A6}\wv2\EBWebView\Local State~RFe58bc75.TMP
                      • Size 1KB
                      • SHA256 f6e55907ff94c74455c43a591a060885bc6bff3b5063bcb8d1c1270500b5cfd5
                      • MD5 SHA1 SHA512 TLSH

                      memory/1160-126-0x00007FFF83F80000-0x00007FFF83F81000-memory.dmp

                      memory/5504-23-0x00007FFF83F80000-0x00007FFF83F81000-memory.dmp

                      memory/5504-304-0x000001D54A2C0000-0x000001D54A419000-memory.dmp