Analysis

  • user interaction
    yes
  • max time kernel
    144s
  • max time network
    140s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-it
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-itlocale:it-itos:windows11-ltsc_2024-x64systemwindows
  • submitted
    21/07/2026, 09:50

General

  • Target
    Madium-Bootstrapper.exe
  • Size 6.9MB
  • Sample260721-lt5fbact7r
  • 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:4296
    • 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-{2EC06A89-7733-46FB-81C9-30892359F46B}\wv2\EBWebView" --noerrdialogs --embedded-browser-webview-dpi-awareness=2 --enable-features=MojoIpcz --mojo-named-platform-channel-pipe=4296.5516.8232192034759891319 /pfhostedapp:3e494167af5ad8a8fd4674e538b3dc5cf7d6451a
      2⤵
      • Enumerates system info in registry
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of WriteProcessMemory
      PID:2708
      • 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-{2EC06A89-7733-46FB-81C9-30892359F46B}\wv2\EBWebView /prefetch:4 /pfhostedapp:3e494167af5ad8a8fd4674e538b3dc5cf7d6451a --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{2EC06A89-7733-46FB-81C9-30892359F46B}\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=0x184,0x188,0x18c,0x160,0x194,0x7fff0d595fd8,0x7fff0d595fe4,0x7fff0d595ff0
        3⤵
          PID:2780
        • 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-{2EC06A89-7733-46FB-81C9-30892359F46B}\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=1756 --field-trial-handle=1384,i,11350343823466157444,7620696683975596285,262144 --enable-features=MojoIpcz --variations-seed-version /prefetch:2 /pfhostedapp:3e494167af5ad8a8fd4674e538b3dc5cf7d6451a
          3⤵
            PID:6104
          • 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=it --service-sandbox-type=none --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{2EC06A89-7733-46FB-81C9-30892359F46B}\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=2072 --field-trial-handle=1384,i,11350343823466157444,7620696683975596285,262144 --enable-features=MojoIpcz --variations-seed-version /prefetch:3 /pfhostedapp:3e494167af5ad8a8fd4674e538b3dc5cf7d6451a
            3⤵
              PID:3624
            • 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=it --service-sandbox-type=service --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{2EC06A89-7733-46FB-81C9-30892359F46B}\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=2240 --field-trial-handle=1384,i,11350343823466157444,7620696683975596285,262144 --enable-features=MojoIpcz --variations-seed-version /prefetch:8 /pfhostedapp:3e494167af5ad8a8fd4674e538b3dc5cf7d6451a
              3⤵
                PID:3996
              • 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-{2EC06A89-7733-46FB-81C9-30892359F46B}\wv2\EBWebView" --webview-exe-name=Madium-Bootstrapper.exe --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --no-appcompat-clear --lang=it --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=it_IT" --mojo-platform-channel-handle=3460 --field-trial-handle=1384,i,11350343823466157444,7620696683975596285,262144 --enable-features=MojoIpcz --variations-seed-version /pfhostedapp:3e494167af5ad8a8fd4674e538b3dc5cf7d6451a /prefetch:1
                3⤵
                  PID:2724

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

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                  Downloads

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{2EC06A89-7733-46FB-81C9-30892359F46B}\wv2\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 32ef370a2e6d1897ce5ec50bdf4faebb18441e00ea8f1bcea47d12723cb8a513
                  • MD5 SHA1 SHA512 TLSH

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{2EC06A89-7733-46FB-81C9-30892359F46B}\wv2\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 3b61a92ab615f73fe34c425827b2a0fffa0fcb953021ee31616a419eba5fa08e
                  • MD5 SHA1 SHA512 TLSH

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{2EC06A89-7733-46FB-81C9-30892359F46B}\wv2\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 3f9b051b3cdae965bf4ce1658805c9b078a61ff8e21334ca1d1353f3b6d55bc7
                  • MD5 SHA1 SHA512

                  throttle_store.dat

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{2EC06A89-7733-46FB-81C9-30892359F46B}\wv2\EBWebView\Crashpad\throttle_store.dat
                  • Size 20B
                  • SHA256 41c91a9c93d76295746a149dce7ebb3b9ee2cb551d84365fff108e59a61cc304
                  • MD5 SHA1 SHA512

                  3d3d51f7-1de6-45e9-a976-3855a41b766d.tmp

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{2EC06A89-7733-46FB-81C9-30892359F46B}\wv2\EBWebView\Default\3d3d51f7-1de6-45e9-a976-3855a41b766d.tmp
                  • Size 5KB
                  • SHA256 6ddb8807fd4078270be395b80a1bb6ae59341642397cc2dd319a463bf89f995e
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  CURRENT

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{2EC06A89-7733-46FB-81C9-30892359F46B}\wv2\EBWebView\Default\Extension Rules\CURRENT
                  • Size 16B
                  • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
                  • MD5 SHA1 SHA512

                  MANIFEST-000001

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{2EC06A89-7733-46FB-81C9-30892359F46B}\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-{2EC06A89-7733-46FB-81C9-30892359F46B}\wv2\EBWebView\Default\Network\SCT Auditing Pending Reports
                  • Size 2B
                  • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                  • MD5 SHA1 SHA512

                  data_0

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{2EC06A89-7733-46FB-81C9-30892359F46B}\wv2\EBWebView\GraphiteDawnCache\data_0
                  • Size 8KB
                  • SHA256 d6a5fe39cd672781b256e0e3102f7022635f1d4bb7cfcc90a80fffe4d0f3877e
                  • MD5 SHA1 SHA512 SSDEEP

                  data_1

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{2EC06A89-7733-46FB-81C9-30892359F46B}\wv2\EBWebView\GraphiteDawnCache\data_1
                  • Size 264KB
                  • SHA256 902f30c1fb0597d0734bc34b979ec5d131f8f39a4b71b338083821216ec8d61b
                  • MD5 SHA1 SHA512 SSDEEP

                  data_2

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{2EC06A89-7733-46FB-81C9-30892359F46B}\wv2\EBWebView\GraphiteDawnCache\data_2
                  • Size 8KB
                  • SHA256 ec1702806f4cc7c42a82fc2b38e89835fde7c64bb32060e0823c9077ca92efb7
                  • MD5 SHA1 SHA512 SSDEEP

                  data_3

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{2EC06A89-7733-46FB-81C9-30892359F46B}\wv2\EBWebView\GraphiteDawnCache\data_3
                  • Size 8KB
                  • SHA256 e09f42c398d688dce168570291f1f92d079987deda3099a34adb9e8c0522b30c
                  • MD5 SHA1 SHA512 SSDEEP

                  Local State

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{2EC06A89-7733-46FB-81C9-30892359F46B}\wv2\EBWebView\Local State
                  • Size 15KB
                  • SHA256 74a503125306b73147ab14cb431eb58f247c169e19791df5251bbd4259cb5c04
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{2EC06A89-7733-46FB-81C9-30892359F46B}\wv2\EBWebView\Local State
                  • Size 2KB
                  • SHA256 f98554e4af6c39ef1ce90d9107b5f8cc018326520c3ebed9b0eb996ccba6a2e2
                  • MD5 SHA1 SHA512 TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{2EC06A89-7733-46FB-81C9-30892359F46B}\wv2\EBWebView\Local State
                  • Size 3KB
                  • SHA256 bf700b0a88bbf04efeebe4cdb3bad994a39bb82528c9c9125a8ea800f6944bad
                  • MD5 SHA1 SHA512 TLSH

                  Local State~RFe595ea1.TMP

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{2EC06A89-7733-46FB-81C9-30892359F46B}\wv2\EBWebView\Local State~RFe595ea1.TMP
                  • Size 1KB
                  • SHA256 e27d7ddad4383449716b7ddd93e8bb853928848353f3d0dfd8c31dc7fe6e7842
                  • MD5 SHA1 SHA512 TLSH

                  memory/2724-106-0x00007FFF2E2E0000-0x00007FFF2E2E1000-memory.dmp

                  memory/6104-66-0x00007FFF2E2E0000-0x00007FFF2E2E1000-memory.dmp