Analysis

  • user interaction
    yes
  • max time kernel
    68s
  • max time network
    73s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    06/07/2026, 17:18

General

  • Target
    Madium-Bootstrapper.exe
  • Size 6.9MB
  • Sample260706-vvrehsdz4k
  • 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:3880
    • 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-{B3FB6AB0-0D7D-4AE1-A88A-023C2574FB2F}\wv2\EBWebView" --noerrdialogs --embedded-browser-webview-dpi-awareness=2 --enable-features=MojoIpcz --mojo-named-platform-channel-pipe=3880.5512.5713332971725343739 /pfhostedapp:7d6c3cdd2361654b804894e8c0ca98f520f3dfdc
      2⤵
      • Drops file in Windows directory
      • Enumerates system info in registry
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of WriteProcessMemory
      PID:5984
      • 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-{B3FB6AB0-0D7D-4AE1-A88A-023C2574FB2F}\wv2\EBWebView /prefetch:4 /pfhostedapp:7d6c3cdd2361654b804894e8c0ca98f520f3dfdc --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{B3FB6AB0-0D7D-4AE1-A88A-023C2574FB2F}\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=0x198,0x19c,0x1a0,0x174,0x150,0x7ffe51ce5fd8,0x7ffe51ce5fe4,0x7ffe51ce5ff0
        3⤵
          PID:5712
        • 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-{B3FB6AB0-0D7D-4AE1-A88A-023C2574FB2F}\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=1820 --field-trial-handle=1824,i,5239876814607015769,5815619960742104876,262144 --enable-features=MojoIpcz --variations-seed-version /prefetch:2 /pfhostedapp:7d6c3cdd2361654b804894e8c0ca98f520f3dfdc
          3⤵
            PID:6120
          • 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-{B3FB6AB0-0D7D-4AE1-A88A-023C2574FB2F}\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=1968 --field-trial-handle=1824,i,5239876814607015769,5815619960742104876,262144 --enable-features=MojoIpcz --variations-seed-version /prefetch:3 /pfhostedapp:7d6c3cdd2361654b804894e8c0ca98f520f3dfdc
            3⤵
              PID:4732
            • 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-{B3FB6AB0-0D7D-4AE1-A88A-023C2574FB2F}\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=2252 --field-trial-handle=1824,i,5239876814607015769,5815619960742104876,262144 --enable-features=MojoIpcz --variations-seed-version /prefetch:8 /pfhostedapp:7d6c3cdd2361654b804894e8c0ca98f520f3dfdc
              3⤵
                PID:5468
              • 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-{B3FB6AB0-0D7D-4AE1-A88A-023C2574FB2F}\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=3528 --field-trial-handle=1824,i,5239876814607015769,5815619960742104876,262144 --enable-features=MojoIpcz --variations-seed-version /pfhostedapp:7d6c3cdd2361654b804894e8c0ca98f520f3dfdc /prefetch:1
                3⤵
                  PID:4228
            • C:\Windows\System32\rundll32.exe
              C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
              1⤵
                PID:1480

              Network

                    MITRE ATT&CK Enterprise v16

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    settings.dat

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{B3FB6AB0-0D7D-4AE1-A88A-023C2574FB2F}\wv2\EBWebView\Crashpad\settings.dat
                    • Size 280B
                    • SHA256 3381951e559393b08198289c5e254c5f8f6b32cbc3c6e30a3d42125239efcc28
                    • MD5 SHA1 SHA512 TLSH

                    settings.dat

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{B3FB6AB0-0D7D-4AE1-A88A-023C2574FB2F}\wv2\EBWebView\Crashpad\settings.dat
                    • Size 280B
                    • SHA256 3c099ceb1d5bb472f87f36ee5a2809ff70f619b8b5f1dd9be44a01a49dcd153b
                    • MD5 SHA1 SHA512 TLSH

                    settings.dat

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{B3FB6AB0-0D7D-4AE1-A88A-023C2574FB2F}\wv2\EBWebView\Crashpad\settings.dat
                    • Size 280B
                    • SHA256 8b2628a29b30af6d2d096999038deaca18009bdffaed7927711f0e0b7da4e44f
                    • MD5 SHA1 SHA512

                    throttle_store.dat

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{B3FB6AB0-0D7D-4AE1-A88A-023C2574FB2F}\wv2\EBWebView\Crashpad\throttle_store.dat
                    • Size 20B
                    • SHA256 41c91a9c93d76295746a149dce7ebb3b9ee2cb551d84365fff108e59a61cc304
                    • MD5 SHA1 SHA512

                    Network Persistent State

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{B3FB6AB0-0D7D-4AE1-A88A-023C2574FB2F}\wv2\EBWebView\Default\Network\Network Persistent State
                    • Size 111B
                    • SHA256 5dfc321417fc31359f23320ea68014ebfd793c5bbed55f77dab4180bbd4a2026
                    • MD5 SHA1 SHA512 TLSH

                    Network Persistent State~RFe59575d.TMP

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{B3FB6AB0-0D7D-4AE1-A88A-023C2574FB2F}\wv2\EBWebView\Default\Network\Network Persistent State~RFe59575d.TMP
                    • Size 59B
                    • SHA256 226eec4486509917aa336afebd6ff65777b75b65f1fb06891d2a857a9421a974
                    • MD5 SHA1 SHA512 TLSH

                    SCT Auditing Pending Reports

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{B3FB6AB0-0D7D-4AE1-A88A-023C2574FB2F}\wv2\EBWebView\Default\Network\SCT Auditing Pending Reports
                    • Size 2B
                    • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                    • MD5 SHA1 SHA512

                    CURRENT

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{B3FB6AB0-0D7D-4AE1-A88A-023C2574FB2F}\wv2\EBWebView\Default\Sync Data\LevelDB\CURRENT
                    • Size 16B
                    • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
                    • MD5 SHA1 SHA512

                    e6af4e01-70fa-47a2-a560-94ac4ad7470e.tmp

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{B3FB6AB0-0D7D-4AE1-A88A-023C2574FB2F}\wv2\EBWebView\Default\e6af4e01-70fa-47a2-a560-94ac4ad7470e.tmp
                    • Size 6KB
                    • SHA256 9ca803609fe5410016b9280e0a01e55299fadc9858a1d3020b107ad4b563d27a
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    MANIFEST-000001

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{B3FB6AB0-0D7D-4AE1-A88A-023C2574FB2F}\wv2\EBWebView\Default\shared_proto_db\metadata\MANIFEST-000001
                    • Size 41B
                    • SHA256 f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4
                    • MD5 SHA1 SHA512

                    data_0

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{B3FB6AB0-0D7D-4AE1-A88A-023C2574FB2F}\wv2\EBWebView\GraphiteDawnCache\data_0
                    • Size 8KB
                    • SHA256 d6a5fe39cd672781b256e0e3102f7022635f1d4bb7cfcc90a80fffe4d0f3877e
                    • MD5 SHA1 SHA512 SSDEEP

                    data_1

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{B3FB6AB0-0D7D-4AE1-A88A-023C2574FB2F}\wv2\EBWebView\GraphiteDawnCache\data_1
                    • Size 264KB
                    • SHA256 902f30c1fb0597d0734bc34b979ec5d131f8f39a4b71b338083821216ec8d61b
                    • MD5 SHA1 SHA512 SSDEEP

                    data_2

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{B3FB6AB0-0D7D-4AE1-A88A-023C2574FB2F}\wv2\EBWebView\GraphiteDawnCache\data_2
                    • Size 8KB
                    • SHA256 ec1702806f4cc7c42a82fc2b38e89835fde7c64bb32060e0823c9077ca92efb7
                    • MD5 SHA1 SHA512 SSDEEP

                    data_3

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{B3FB6AB0-0D7D-4AE1-A88A-023C2574FB2F}\wv2\EBWebView\GraphiteDawnCache\data_3
                    • Size 8KB
                    • SHA256 e09f42c398d688dce168570291f1f92d079987deda3099a34adb9e8c0522b30c
                    • MD5 SHA1 SHA512 SSDEEP

                    Local State

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{B3FB6AB0-0D7D-4AE1-A88A-023C2574FB2F}\wv2\EBWebView\Local State
                    • Size 15KB
                    • SHA256 5ebab79991c8779772afa4393b8f1a52f2c5ebd61b9177f570e0c4350a0ef04a
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    Local State

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{B3FB6AB0-0D7D-4AE1-A88A-023C2574FB2F}\wv2\EBWebView\Local State
                    • Size 2KB
                    • SHA256 cf225987f3382c6a6c90d969d56f8ad392f39782a1c479389f84d53152469945
                    • MD5 SHA1 SHA512 TLSH

                    Local State

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{B3FB6AB0-0D7D-4AE1-A88A-023C2574FB2F}\wv2\EBWebView\Local State
                    • Size 3KB
                    • SHA256 9e16f390e4866410953277a71ef9a4b33ce9bd826d375bb0500ae3d297ddd03d
                    • MD5 SHA1 SHA512 TLSH

                    Local State

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{B3FB6AB0-0D7D-4AE1-A88A-023C2574FB2F}\wv2\EBWebView\Local State
                    • Size 15KB
                    • SHA256 66c515fe67727ff9dd79e2167a3651b6c3f7e8c8c8ee31c1d6a0093a9bb06594
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    Local State~RFe58ee53.TMP

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{B3FB6AB0-0D7D-4AE1-A88A-023C2574FB2F}\wv2\EBWebView\Local State~RFe58ee53.TMP
                    • Size 1KB
                    • SHA256 60c614318420a6a7d65042de96e40e07c5e8e65380f2f1f7f1aa3e880c4d47ce
                    • MD5 SHA1 SHA512 TLSH

                    memory/4228-127-0x00007FFE73C40000-0x00007FFE73C41000-memory.dmp

                    memory/6120-30-0x00007FFE73C40000-0x00007FFE73C41000-memory.dmp