Analysis

  • max time kernel
    149s
  • max time network
    116s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    05/08/2026, 06:36

General

  • Target
    Madium-Bootstrapper.exe
  • Size 6.9MB
  • Sample260805-hdeyyafa36
  • 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:3184
    • 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-{7904DF4A-CC58-4D35-B8BE-6A41E0A29608}\wv2\EBWebView" --noerrdialogs --embedded-browser-webview-dpi-awareness=2 --enable-features=MojoIpcz --mojo-named-platform-channel-pipe=3184.4344.7770513528402871066 /pfhostedapp:c5f335e675bbfa16f260cab6ea18bc121a787619
      2⤵
      • Enumerates system info in registry
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of WriteProcessMemory
      PID:3464
      • 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-{7904DF4A-CC58-4D35-B8BE-6A41E0A29608}\wv2\EBWebView /prefetch:4 /pfhostedapp:c5f335e675bbfa16f260cab6ea18bc121a787619 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{7904DF4A-CC58-4D35-B8BE-6A41E0A29608}\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,0x160,0x194,0x7ff903bc5fd8,0x7ff903bc5fe4,0x7ff903bc5ff0
        3⤵
          PID:1872
        • 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-{7904DF4A-CC58-4D35-B8BE-6A41E0A29608}\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=1784 --field-trial-handle=1788,i,3743726985006755541,10177426413827480610,262144 --enable-features=MojoIpcz --variations-seed-version /prefetch:2 /pfhostedapp:c5f335e675bbfa16f260cab6ea18bc121a787619
          3⤵
            PID:1816
          • 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-{7904DF4A-CC58-4D35-B8BE-6A41E0A29608}\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=2040 --field-trial-handle=1788,i,3743726985006755541,10177426413827480610,262144 --enable-features=MojoIpcz --variations-seed-version /prefetch:3 /pfhostedapp:c5f335e675bbfa16f260cab6ea18bc121a787619
            3⤵
              PID:1928
            • 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-{7904DF4A-CC58-4D35-B8BE-6A41E0A29608}\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=2452 --field-trial-handle=1788,i,3743726985006755541,10177426413827480610,262144 --enable-features=MojoIpcz --variations-seed-version /prefetch:8 /pfhostedapp:c5f335e675bbfa16f260cab6ea18bc121a787619
              3⤵
                PID:4572
              • 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-{7904DF4A-CC58-4D35-B8BE-6A41E0A29608}\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=3508 --field-trial-handle=1788,i,3743726985006755541,10177426413827480610,262144 --enable-features=MojoIpcz --variations-seed-version /pfhostedapp:c5f335e675bbfa16f260cab6ea18bc121a787619 /prefetch:1
                3⤵
                  PID:2160

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

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                  Downloads

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{7904DF4A-CC58-4D35-B8BE-6A41E0A29608}\wv2\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 c49a85f97535a48a3c126c3826861db61658cc5d0073c95323c7045ad569e465
                  • MD5 SHA1 SHA512 TLSH

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{7904DF4A-CC58-4D35-B8BE-6A41E0A29608}\wv2\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 860cc942a5d6cae16e7845608d943a20620f31b744152be8c334543fcf98bedd
                  • MD5 SHA1 SHA512 TLSH

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{7904DF4A-CC58-4D35-B8BE-6A41E0A29608}\wv2\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 c66fb7b6b19e674fe5030aee4b8896c1b21d18a8a8c0caf97b5875479d773561
                  • MD5 SHA1 SHA512

                  throttle_store.dat

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{7904DF4A-CC58-4D35-B8BE-6A41E0A29608}\wv2\EBWebView\Crashpad\throttle_store.dat
                  • Size 20B
                  • SHA256 41c91a9c93d76295746a149dce7ebb3b9ee2cb551d84365fff108e59a61cc304
                  • MD5 SHA1 SHA512

                  2b9449bd-46ba-4e66-b6c7-766d975b97c6.tmp

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{7904DF4A-CC58-4D35-B8BE-6A41E0A29608}\wv2\EBWebView\Default\2b9449bd-46ba-4e66-b6c7-766d975b97c6.tmp
                  • Size 5KB
                  • SHA256 a9e2dce82b155af005cb426c476b8fb9239e1b36cee897b7f37d027a81e80ba5
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  CURRENT

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{7904DF4A-CC58-4D35-B8BE-6A41E0A29608}\wv2\EBWebView\Default\Extension Rules\CURRENT
                  • Size 16B
                  • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
                  • MD5 SHA1 SHA512

                  MANIFEST-000001

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{7904DF4A-CC58-4D35-B8BE-6A41E0A29608}\wv2\EBWebView\Default\Extension Rules\MANIFEST-000001
                  • Size 41B
                  • SHA256 f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4
                  • MD5 SHA1 SHA512

                  Network Persistent State

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{7904DF4A-CC58-4D35-B8BE-6A41E0A29608}\wv2\EBWebView\Default\Network\Network Persistent State
                  • Size 111B
                  • SHA256 5dfc321417fc31359f23320ea68014ebfd793c5bbed55f77dab4180bbd4a2026
                  • MD5 SHA1 SHA512 TLSH

                  Network Persistent State~RFe5987f3.TMP

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{7904DF4A-CC58-4D35-B8BE-6A41E0A29608}\wv2\EBWebView\Default\Network\Network Persistent State~RFe5987f3.TMP
                  • Size 59B
                  • SHA256 226eec4486509917aa336afebd6ff65777b75b65f1fb06891d2a857a9421a974
                  • MD5 SHA1 SHA512 TLSH

                  SCT Auditing Pending Reports

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{7904DF4A-CC58-4D35-B8BE-6A41E0A29608}\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-{7904DF4A-CC58-4D35-B8BE-6A41E0A29608}\wv2\EBWebView\GraphiteDawnCache\data_0
                  • Size 8KB
                  • SHA256 d6a5fe39cd672781b256e0e3102f7022635f1d4bb7cfcc90a80fffe4d0f3877e
                  • MD5 SHA1 SHA512 SSDEEP

                  data_1

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{7904DF4A-CC58-4D35-B8BE-6A41E0A29608}\wv2\EBWebView\GraphiteDawnCache\data_1
                  • Size 264KB
                  • SHA256 902f30c1fb0597d0734bc34b979ec5d131f8f39a4b71b338083821216ec8d61b
                  • MD5 SHA1 SHA512 SSDEEP

                  data_2

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{7904DF4A-CC58-4D35-B8BE-6A41E0A29608}\wv2\EBWebView\GraphiteDawnCache\data_2
                  • Size 8KB
                  • SHA256 ec1702806f4cc7c42a82fc2b38e89835fde7c64bb32060e0823c9077ca92efb7
                  • MD5 SHA1 SHA512 SSDEEP

                  data_3

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{7904DF4A-CC58-4D35-B8BE-6A41E0A29608}\wv2\EBWebView\GraphiteDawnCache\data_3
                  • Size 8KB
                  • SHA256 e09f42c398d688dce168570291f1f92d079987deda3099a34adb9e8c0522b30c
                  • MD5 SHA1 SHA512 SSDEEP

                  Local State

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{7904DF4A-CC58-4D35-B8BE-6A41E0A29608}\wv2\EBWebView\Local State
                  • Size 2KB
                  • SHA256 471a345f47332c98a6c489fafa7fd1038b5e186c305399652793330d0c8078c3
                  • MD5 SHA1 SHA512 TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{7904DF4A-CC58-4D35-B8BE-6A41E0A29608}\wv2\EBWebView\Local State
                  • Size 3KB
                  • SHA256 431589ec3b8fa1578665110eae3c006fe603b1876f60432d24087648e155fd68
                  • MD5 SHA1 SHA512 TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{7904DF4A-CC58-4D35-B8BE-6A41E0A29608}\wv2\EBWebView\Local State
                  • Size 15KB
                  • SHA256 d55ecb1f5d3a64b9ed44e3ba33000318c9624a78938aae8e1cba67b3664438ef
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{7904DF4A-CC58-4D35-B8BE-6A41E0A29608}\wv2\EBWebView\Local State
                  • Size 3KB
                  • SHA256 e71c87cc6af7e7f87697a27f87af305d088d8b84e3efc6622400e665038093f3
                  • MD5 SHA1 SHA512 TLSH

                  Local State~RFe5925dd.TMP

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{7904DF4A-CC58-4D35-B8BE-6A41E0A29608}\wv2\EBWebView\Local State~RFe5925dd.TMP
                  • Size 1KB
                  • SHA256 81e4025b8264b79e27d86b57b5669b3f128a6730a47770927f3c7b3a1765199b
                  • MD5 SHA1 SHA512 TLSH

                  memory/1816-30-0x00007FF9255D0000-0x00007FF9255D1000-memory.dmp

                  memory/2160-113-0x00007FF9255D0000-0x00007FF9255D1000-memory.dmp