Analysis

  • max time kernel
    149s
  • max time network
    123s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    03/07/2026, 00:05

General

  • Target
    Madium-Bootstrapper.exe
  • Size 6.9MB
  • Sample260703-adf71agx8x
  • 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: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" --embedded-browser-webview=1 --webview-exe-name=Madium-Bootstrapper.exe --user-data-dir="C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{5A654569-0ABE-452F-8EB4-DCD795454AD0}\wv2\EBWebView" --noerrdialogs --embedded-browser-webview-dpi-awareness=2 --enable-features=MojoIpcz --mojo-named-platform-channel-pipe=2780.3416.14100442811847844814 /pfhostedapp:4d85cffa00b63d64ba640a91ee73cb9790a12f17
      2⤵
      • Drops file in Windows directory
      • Enumerates system info in registry
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of WriteProcessMemory
      PID:5444
      • 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-{5A654569-0ABE-452F-8EB4-DCD795454AD0}\wv2\EBWebView /prefetch:4 /pfhostedapp:4d85cffa00b63d64ba640a91ee73cb9790a12f17 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{5A654569-0ABE-452F-8EB4-DCD795454AD0}\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,0x160,0x194,0x7ff846f95fd8,0x7ff846f95fe4,0x7ff846f95ff0
        3⤵
          PID:5736
        • 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-{5A654569-0ABE-452F-8EB4-DCD795454AD0}\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=1772 --field-trial-handle=1776,i,7325387830931368002,4732307120585300013,262144 --enable-features=MojoIpcz --variations-seed-version /prefetch:2 /pfhostedapp:4d85cffa00b63d64ba640a91ee73cb9790a12f17
          3⤵
            PID:3540
          • 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-{5A654569-0ABE-452F-8EB4-DCD795454AD0}\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=2060 --field-trial-handle=1776,i,7325387830931368002,4732307120585300013,262144 --enable-features=MojoIpcz --variations-seed-version /prefetch:3 /pfhostedapp:4d85cffa00b63d64ba640a91ee73cb9790a12f17
            3⤵
              PID:2992
            • 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-{5A654569-0ABE-452F-8EB4-DCD795454AD0}\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=2552 --field-trial-handle=1776,i,7325387830931368002,4732307120585300013,262144 --enable-features=MojoIpcz --variations-seed-version /prefetch:8 /pfhostedapp:4d85cffa00b63d64ba640a91ee73cb9790a12f17
              3⤵
                PID:4660
              • 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-{5A654569-0ABE-452F-8EB4-DCD795454AD0}\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=3412 --field-trial-handle=1776,i,7325387830931368002,4732307120585300013,262144 --enable-features=MojoIpcz --variations-seed-version /pfhostedapp:4d85cffa00b63d64ba640a91ee73cb9790a12f17 /prefetch:1
                3⤵
                  PID:2952

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

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                  Downloads

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{5A654569-0ABE-452F-8EB4-DCD795454AD0}\wv2\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 b46632ea4fa2049f4c3559769c8df31e0c5643deaeba0a1f8624a21bb13efac1
                  • MD5 SHA1 SHA512 TLSH

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{5A654569-0ABE-452F-8EB4-DCD795454AD0}\wv2\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 156467a5039af6df27057d07004c04801d0422f0a90d07a0951080633b5e3ba4
                  • MD5 SHA1 SHA512

                  throttle_store.dat

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{5A654569-0ABE-452F-8EB4-DCD795454AD0}\wv2\EBWebView\Crashpad\throttle_store.dat
                  • Size 20B
                  • SHA256 41c91a9c93d76295746a149dce7ebb3b9ee2cb551d84365fff108e59a61cc304
                  • MD5 SHA1 SHA512

                  the-real-index

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{5A654569-0ABE-452F-8EB4-DCD795454AD0}\wv2\EBWebView\Default\Code Cache\js\index-dir\the-real-index
                  • Size 48B
                  • SHA256 393ca937aea20f6e08928807969399a92e6b11d27320034279f9ff00f4086780
                  • MD5 SHA1 SHA512

                  index

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{5A654569-0ABE-452F-8EB4-DCD795454AD0}\wv2\EBWebView\Default\Code Cache\wasm\index
                  • Size 24B
                  • SHA256 fbcfe23a2ecb82b7100c50811691dde0a33aa3da8d176be9882a9db485dc0f2d
                  • MD5 SHA1 SHA512

                  the-real-index

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{5A654569-0ABE-452F-8EB4-DCD795454AD0}\wv2\EBWebView\Default\Code Cache\wasm\index-dir\the-real-index
                  • Size 48B
                  • SHA256 938ea6410fbd3bd9bcc9e5842ba4a97fdb404fc87c921548a720659a68ea3687
                  • MD5 SHA1 SHA512

                  data_1

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{5A654569-0ABE-452F-8EB4-DCD795454AD0}\wv2\EBWebView\Default\DawnCache\data_1
                  • Size 264KB
                  • SHA256 b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec
                  • MD5 SHA1 SHA512 SSDEEP

                  index

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{5A654569-0ABE-452F-8EB4-DCD795454AD0}\wv2\EBWebView\Default\DawnCache\index
                  • Size 256KB
                  • SHA256 b297c8bf71c222d7cc4ac581f5794df0a8d2dea210ae56dd77ada21e217fb641
                  • MD5 SHA1 SHA512 SSDEEP

                  SCT Auditing Pending Reports

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{5A654569-0ABE-452F-8EB4-DCD795454AD0}\wv2\EBWebView\Default\Network\SCT Auditing Pending Reports
                  • Size 2B
                  • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                  • MD5 SHA1 SHA512

                  CURRENT

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{5A654569-0ABE-452F-8EB4-DCD795454AD0}\wv2\EBWebView\Default\Sync Data\LevelDB\CURRENT
                  • Size 16B
                  • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
                  • MD5 SHA1 SHA512

                  MANIFEST-000001

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{5A654569-0ABE-452F-8EB4-DCD795454AD0}\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-{5A654569-0ABE-452F-8EB4-DCD795454AD0}\wv2\EBWebView\GraphiteDawnCache\data_0
                  • Size 8KB
                  • SHA256 d6a5fe39cd672781b256e0e3102f7022635f1d4bb7cfcc90a80fffe4d0f3877e
                  • MD5 SHA1 SHA512 SSDEEP

                  data_1

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{5A654569-0ABE-452F-8EB4-DCD795454AD0}\wv2\EBWebView\GraphiteDawnCache\data_1
                  • Size 264KB
                  • SHA256 902f30c1fb0597d0734bc34b979ec5d131f8f39a4b71b338083821216ec8d61b
                  • MD5 SHA1 SHA512 SSDEEP

                  data_2

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{5A654569-0ABE-452F-8EB4-DCD795454AD0}\wv2\EBWebView\GraphiteDawnCache\data_2
                  • Size 8KB
                  • SHA256 ec1702806f4cc7c42a82fc2b38e89835fde7c64bb32060e0823c9077ca92efb7
                  • MD5 SHA1 SHA512 SSDEEP

                  data_3

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{5A654569-0ABE-452F-8EB4-DCD795454AD0}\wv2\EBWebView\GraphiteDawnCache\data_3
                  • Size 8KB
                  • SHA256 e09f42c398d688dce168570291f1f92d079987deda3099a34adb9e8c0522b30c
                  • MD5 SHA1 SHA512 SSDEEP

                  Local State

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{5A654569-0ABE-452F-8EB4-DCD795454AD0}\wv2\EBWebView\Local State
                  • Size 2KB
                  • SHA256 b6829eaca5fbbbc9b158bb7281b2824d4a0a577aabe5c18463989a0cb1018ae4
                  • MD5 SHA1 SHA512 TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{5A654569-0ABE-452F-8EB4-DCD795454AD0}\wv2\EBWebView\Local State
                  • Size 3KB
                  • SHA256 2d3b19889a9362c21f63f8bf08412549a0a8a1a40e6084d3bae0f214fd239e4e
                  • MD5 SHA1 SHA512 TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{5A654569-0ABE-452F-8EB4-DCD795454AD0}\wv2\EBWebView\Local State
                  • Size 3KB
                  • SHA256 487ae44d3e3361c0123df3be8ca14c8a9a4be6c10a858059516a5fc6a348ffbc
                  • MD5 SHA1 SHA512 TLSH

                  Local State~RFe58fe12.TMP

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{5A654569-0ABE-452F-8EB4-DCD795454AD0}\wv2\EBWebView\Local State~RFe58fe12.TMP
                  • Size 1KB
                  • SHA256 b622c9762b91e129d44d70289abc471cb6891fa5e028b85dc1db759f54d0302b
                  • MD5 SHA1 SHA512 TLSH

                  memory/2952-105-0x00007FF867850000-0x00007FF867851000-memory.dmp

                  memory/3540-33-0x00007FF867850000-0x00007FF867851000-memory.dmp