Analysis

  • max time kernel
    299s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260617-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    28/06/2026, 05:07

General

  • Target
    Madium-Bootstrapper.exe
  • Size 6.9MB
  • Sample260628-fr1fpaft2s
  • 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:4224
    • 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-{2F088AD3-4A7F-4542-AE8F-63D05FEC0784}\wv2\EBWebView" --noerrdialogs --embedded-browser-webview-dpi-awareness=2 --enable-features=MojoIpcz --mojo-named-platform-channel-pipe=4224.4148.12087098944839983370 /pfhostedapp:87d02952c8af8da980869e951b256b39f5797c61
      2⤵
      • Drops file in Windows directory
      • Enumerates system info in registry
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of WriteProcessMemory
      PID:4060
      • 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-{2F088AD3-4A7F-4542-AE8F-63D05FEC0784}\wv2\EBWebView /prefetch:4 /pfhostedapp:87d02952c8af8da980869e951b256b39f5797c61 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{2F088AD3-4A7F-4542-AE8F-63D05FEC0784}\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=0x160,0x188,0x18c,0x16c,0x194,0x7ff880475fd8,0x7ff880475fe4,0x7ff880475ff0
        3⤵
          PID:2996
        • 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-{2F088AD3-4A7F-4542-AE8F-63D05FEC0784}\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=1792 --field-trial-handle=1796,i,12550931156787244726,10272748292299984160,262144 --enable-features=MojoIpcz --variations-seed-version /prefetch:2 /pfhostedapp:87d02952c8af8da980869e951b256b39f5797c61
          3⤵
            PID:4956
          • 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-{2F088AD3-4A7F-4542-AE8F-63D05FEC0784}\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=2028 --field-trial-handle=1796,i,12550931156787244726,10272748292299984160,262144 --enable-features=MojoIpcz --variations-seed-version /prefetch:3 /pfhostedapp:87d02952c8af8da980869e951b256b39f5797c61
            3⤵
              PID:1324
            • 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-{2F088AD3-4A7F-4542-AE8F-63D05FEC0784}\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=2416 --field-trial-handle=1796,i,12550931156787244726,10272748292299984160,262144 --enable-features=MojoIpcz --variations-seed-version /prefetch:8 /pfhostedapp:87d02952c8af8da980869e951b256b39f5797c61
              3⤵
                PID:1232
              • 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-{2F088AD3-4A7F-4542-AE8F-63D05FEC0784}\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=3356 --field-trial-handle=1796,i,12550931156787244726,10272748292299984160,262144 --enable-features=MojoIpcz --variations-seed-version /pfhostedapp:87d02952c8af8da980869e951b256b39f5797c61 /prefetch:1
                3⤵
                  PID:4892

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

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                  Downloads

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{2F088AD3-4A7F-4542-AE8F-63D05FEC0784}\wv2\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 486bd5010166f9f58ad566bc7b857532c6eb245d52680eb4e4e4cfe74456756c
                  • MD5 SHA1 SHA512 TLSH

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{2F088AD3-4A7F-4542-AE8F-63D05FEC0784}\wv2\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 08e71e8b7c07dd59e94539eb36b9adb35e735e357e9499ebbe70a4ae6b3c450d
                  • MD5 SHA1 SHA512 TLSH

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{2F088AD3-4A7F-4542-AE8F-63D05FEC0784}\wv2\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 992b4bb01c438f748bd432ae63978496381e0ed865b4c1832af9df804233fa19
                  • MD5 SHA1 SHA512

                  30db5b89-ca83-4421-bca3-56eaa3544638.tmp

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{2F088AD3-4A7F-4542-AE8F-63D05FEC0784}\wv2\EBWebView\Default\30db5b89-ca83-4421-bca3-56eaa3544638.tmp
                  • Size 5KB
                  • SHA256 410031ab09d81d7327f818779e0f4db178b5bd3f1a996b9529d44d3ef5a75c7b
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  CURRENT

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{2F088AD3-4A7F-4542-AE8F-63D05FEC0784}\wv2\EBWebView\Default\Extension Rules\CURRENT
                  • Size 16B
                  • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
                  • MD5 SHA1 SHA512

                  MANIFEST-000001

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{2F088AD3-4A7F-4542-AE8F-63D05FEC0784}\wv2\EBWebView\Default\Extension Scripts\MANIFEST-000001
                  • Size 41B
                  • SHA256 f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4
                  • MD5 SHA1 SHA512

                  Network Persistent State

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{2F088AD3-4A7F-4542-AE8F-63D05FEC0784}\wv2\EBWebView\Default\Network\Network Persistent State
                  • Size 111B
                  • SHA256 5dfc321417fc31359f23320ea68014ebfd793c5bbed55f77dab4180bbd4a2026
                  • MD5 SHA1 SHA512 TLSH

                  Network Persistent State~RFe594e16.TMP

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{2F088AD3-4A7F-4542-AE8F-63D05FEC0784}\wv2\EBWebView\Default\Network\Network Persistent State~RFe594e16.TMP
                  • Size 59B
                  • SHA256 226eec4486509917aa336afebd6ff65777b75b65f1fb06891d2a857a9421a974
                  • MD5 SHA1 SHA512 TLSH

                  SCT Auditing Pending Reports

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{2F088AD3-4A7F-4542-AE8F-63D05FEC0784}\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-{2F088AD3-4A7F-4542-AE8F-63D05FEC0784}\wv2\EBWebView\GraphiteDawnCache\data_0
                  • Size 8KB
                  • SHA256 d6a5fe39cd672781b256e0e3102f7022635f1d4bb7cfcc90a80fffe4d0f3877e
                  • MD5 SHA1 SHA512 SSDEEP

                  data_1

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{2F088AD3-4A7F-4542-AE8F-63D05FEC0784}\wv2\EBWebView\GraphiteDawnCache\data_1
                  • Size 264KB
                  • SHA256 902f30c1fb0597d0734bc34b979ec5d131f8f39a4b71b338083821216ec8d61b
                  • MD5 SHA1 SHA512 SSDEEP

                  data_2

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{2F088AD3-4A7F-4542-AE8F-63D05FEC0784}\wv2\EBWebView\GraphiteDawnCache\data_2
                  • Size 8KB
                  • SHA256 ec1702806f4cc7c42a82fc2b38e89835fde7c64bb32060e0823c9077ca92efb7
                  • MD5 SHA1 SHA512 SSDEEP

                  data_3

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{2F088AD3-4A7F-4542-AE8F-63D05FEC0784}\wv2\EBWebView\GraphiteDawnCache\data_3
                  • Size 8KB
                  • SHA256 e09f42c398d688dce168570291f1f92d079987deda3099a34adb9e8c0522b30c
                  • MD5 SHA1 SHA512 SSDEEP

                  Local State

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{2F088AD3-4A7F-4542-AE8F-63D05FEC0784}\wv2\EBWebView\Local State
                  • Size 15KB
                  • SHA256 174d7472c67afd350a54ce4f59eb0529ae63d36dcce1f5f228e46ec7074dffb8
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{2F088AD3-4A7F-4542-AE8F-63D05FEC0784}\wv2\EBWebView\Local State
                  • Size 2KB
                  • SHA256 da7ff64c46c65be92d36857db4df7326c5699f4ab2037fc53e55d710a105208d
                  • MD5 SHA1 SHA512 TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{2F088AD3-4A7F-4542-AE8F-63D05FEC0784}\wv2\EBWebView\Local State
                  • Size 3KB
                  • SHA256 77e7ede1520aa688e152773b6ef27a25b00edda07c5cfc048b07368c7fc69b25
                  • MD5 SHA1 SHA512 TLSH

                  Local State~RFe58e75d.TMP

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{2F088AD3-4A7F-4542-AE8F-63D05FEC0784}\wv2\EBWebView\Local State~RFe58e75d.TMP
                  • Size 1KB
                  • SHA256 dd70821cdb9d9158ab155888a5fff0c4b59c78c42d13f778296639bdf1822243
                  • MD5 SHA1 SHA512 TLSH

                  memory/4892-116-0x00007FF8A1970000-0x00007FF8A1971000-memory.dmp

                  memory/4892-180-0x0000012DF85B0000-0x0000012DF8659000-memory.dmp

                  memory/4892-176-0x0000012DF85B0000-0x0000012DF8659000-memory.dmp

                  memory/4892-313-0x0000012DF85B0000-0x0000012DF8659000-memory.dmp

                  memory/4956-171-0x000002EC3E430000-0x000002EC3E4D9000-memory.dmp

                  memory/4956-26-0x00007FF8A1970000-0x00007FF8A1971000-memory.dmp

                  memory/4956-344-0x000002EC3E430000-0x000002EC3E4D9000-memory.dmp