Analysis

  • user interaction
    yes
  • max time kernel
    150s
  • max time network
    145s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/08/2026, 06:20

General

  • Target
    Madium-Bootstrapper.exe
  • Size 6.9MB
  • Sample260801-g3wsbafa82
  • SHA256 5e6f74e8c460c747e6cd94cea8fa21271a83734b791e31a6e3c4d4e5f693efcb
  • 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:3012
    • 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-{DFF5B6F0-7387-4C3F-81A1-C5F7A1E16C78}\wv2\EBWebView" --noerrdialogs --embedded-browser-webview-dpi-awareness=2 --enable-features=MojoIpcz --mojo-named-platform-channel-pipe=3012.4792.640560750376250376 /pfhostedapp:0fcdaceeb2d278cb94720a12796edcd860a6f97b
      2⤵
      • Enumerates system info in registry
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of WriteProcessMemory
      PID:3256
      • 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-{DFF5B6F0-7387-4C3F-81A1-C5F7A1E16C78}\wv2\EBWebView /prefetch:4 /pfhostedapp:0fcdaceeb2d278cb94720a12796edcd860a6f97b --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{DFF5B6F0-7387-4C3F-81A1-C5F7A1E16C78}\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,0x190,0x184,0xa4,0x7ffb21c75fd8,0x7ffb21c75fe4,0x7ffb21c75ff0
        3⤵
          PID:4192
        • 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-{DFF5B6F0-7387-4C3F-81A1-C5F7A1E16C78}\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=1780 --field-trial-handle=1784,i,6001448611193967865,1760952158827357290,262144 --enable-features=MojoIpcz --variations-seed-version /prefetch:2 /pfhostedapp:0fcdaceeb2d278cb94720a12796edcd860a6f97b
          3⤵
            PID:4432
          • 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-{DFF5B6F0-7387-4C3F-81A1-C5F7A1E16C78}\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=2216 --field-trial-handle=1784,i,6001448611193967865,1760952158827357290,262144 --enable-features=MojoIpcz --variations-seed-version /prefetch:3 /pfhostedapp:0fcdaceeb2d278cb94720a12796edcd860a6f97b
            3⤵
              PID:4048
            • 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-{DFF5B6F0-7387-4C3F-81A1-C5F7A1E16C78}\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=2292 --field-trial-handle=1784,i,6001448611193967865,1760952158827357290,262144 --enable-features=MojoIpcz --variations-seed-version /prefetch:8 /pfhostedapp:0fcdaceeb2d278cb94720a12796edcd860a6f97b
              3⤵
                PID:716
              • 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-{DFF5B6F0-7387-4C3F-81A1-C5F7A1E16C78}\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=3560 --field-trial-handle=1784,i,6001448611193967865,1760952158827357290,262144 --enable-features=MojoIpcz --variations-seed-version /pfhostedapp:0fcdaceeb2d278cb94720a12796edcd860a6f97b /prefetch:1
                3⤵
                  PID:1116

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

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                  Downloads

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{DFF5B6F0-7387-4C3F-81A1-C5F7A1E16C78}\wv2\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 e4d20de693fa9a35037e20e0457c3e7d8667584d4a4006715ceb2f2d37c2daad
                  • MD5 SHA1 SHA512 TLSH

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{DFF5B6F0-7387-4C3F-81A1-C5F7A1E16C78}\wv2\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 96d97ae73870e5e69c5fd72435806f5a824998b0e75c37bce08409a04eaf7590
                  • MD5 SHA1 SHA512 TLSH

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{DFF5B6F0-7387-4C3F-81A1-C5F7A1E16C78}\wv2\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 f74c85b949a1ba01a716dc0d76be335c9294d82a10cc682dc331ec46160bbdc1
                  • MD5 SHA1 SHA512

                  throttle_store.dat

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{DFF5B6F0-7387-4C3F-81A1-C5F7A1E16C78}\wv2\EBWebView\Crashpad\throttle_store.dat
                  • Size 20B
                  • SHA256 41c91a9c93d76295746a149dce7ebb3b9ee2cb551d84365fff108e59a61cc304
                  • MD5 SHA1 SHA512

                  SCT Auditing Pending Reports

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{DFF5B6F0-7387-4C3F-81A1-C5F7A1E16C78}\wv2\EBWebView\Default\Network\SCT Auditing Pending Reports
                  • Size 2B
                  • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                  • MD5 SHA1 SHA512

                  MANIFEST-000001

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{DFF5B6F0-7387-4C3F-81A1-C5F7A1E16C78}\wv2\EBWebView\Default\shared_proto_db\MANIFEST-000001
                  • Size 41B
                  • SHA256 f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4
                  • MD5 SHA1 SHA512

                  CURRENT

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{DFF5B6F0-7387-4C3F-81A1-C5F7A1E16C78}\wv2\EBWebView\Default\shared_proto_db\metadata\CURRENT
                  • Size 16B
                  • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
                  • MD5 SHA1 SHA512

                  data_0

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{DFF5B6F0-7387-4C3F-81A1-C5F7A1E16C78}\wv2\EBWebView\GraphiteDawnCache\data_0
                  • Size 8KB
                  • SHA256 d6a5fe39cd672781b256e0e3102f7022635f1d4bb7cfcc90a80fffe4d0f3877e
                  • MD5 SHA1 SHA512 SSDEEP

                  data_1

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{DFF5B6F0-7387-4C3F-81A1-C5F7A1E16C78}\wv2\EBWebView\GraphiteDawnCache\data_1
                  • Size 264KB
                  • SHA256 902f30c1fb0597d0734bc34b979ec5d131f8f39a4b71b338083821216ec8d61b
                  • MD5 SHA1 SHA512 SSDEEP

                  data_2

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{DFF5B6F0-7387-4C3F-81A1-C5F7A1E16C78}\wv2\EBWebView\GraphiteDawnCache\data_2
                  • Size 8KB
                  • SHA256 ec1702806f4cc7c42a82fc2b38e89835fde7c64bb32060e0823c9077ca92efb7
                  • MD5 SHA1 SHA512 SSDEEP

                  data_3

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{DFF5B6F0-7387-4C3F-81A1-C5F7A1E16C78}\wv2\EBWebView\GraphiteDawnCache\data_3
                  • Size 8KB
                  • SHA256 e09f42c398d688dce168570291f1f92d079987deda3099a34adb9e8c0522b30c
                  • MD5 SHA1 SHA512 SSDEEP

                  Local State

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{DFF5B6F0-7387-4C3F-81A1-C5F7A1E16C78}\wv2\EBWebView\Local State
                  • Size 2KB
                  • SHA256 a01025f4369bf913d81965e8614d4a17347de1c7e27f32c6cef2e75537fc5cfe
                  • MD5 SHA1 SHA512 TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{DFF5B6F0-7387-4C3F-81A1-C5F7A1E16C78}\wv2\EBWebView\Local State
                  • Size 3KB
                  • SHA256 f106ba2b42c15653777780d2777a1fb31bb3272aacebd869da531bc819d3dddf
                  • MD5 SHA1 SHA512 TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{DFF5B6F0-7387-4C3F-81A1-C5F7A1E16C78}\wv2\EBWebView\Local State
                  • Size 15KB
                  • SHA256 7a334201ccdcef787e5e0bb7125c98228239668d813e080c024c5209b61e8bf8
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  Local State~RFe592997.TMP

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{DFF5B6F0-7387-4C3F-81A1-C5F7A1E16C78}\wv2\EBWebView\Local State~RFe592997.TMP
                  • Size 1KB
                  • SHA256 07e09b495c54eb502e0588d3ea540278b0a50c16cfdff5c4ce2cb28187d134a7
                  • MD5 SHA1 SHA512 TLSH

                  memory/1116-107-0x00007FFB43890000-0x00007FFB43891000-memory.dmp

                  memory/1116-304-0x000002122F2B0000-0x000002122F3C6000-memory.dmp

                  memory/4432-31-0x00007FFB43890000-0x00007FFB43891000-memory.dmp

                  memory/4432-305-0x00000226C8E70000-0x00000226C8F86000-memory.dmp