Analysis

  • max time kernel
    149s
  • max time network
    115s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    29/07/2026, 10:36

General

  • Target
    Madium-Bootstrapper.exe
  • Size 6.9MB
  • Sample260729-mnj3vs1hmb
  • SHA256 5e6f74e8c460c747e6cd94cea8fa21271a83734b791e31a6e3c4d4e5f693efcb
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Downloads MZ/PE file 1 IoCs
  • 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⤵
    • Downloads MZ/PE file
    • Checks whether UAC is enabled
    • Suspicious use of WriteProcessMemory
    PID:4512
    • 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-{B6CD7A4B-D009-43C0-AE61-076EA20DDC1E}\wv2\EBWebView" --noerrdialogs --embedded-browser-webview-dpi-awareness=2 --enable-features=MojoIpcz --mojo-named-platform-channel-pipe=4512.3036.9108974590719096853 /pfhostedapp:fc865fd7a729218bb5cd7cf1078b12edf9503c85
      2⤵
      • Enumerates system info in registry
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of WriteProcessMemory
      PID:3572
      • 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-{B6CD7A4B-D009-43C0-AE61-076EA20DDC1E}\wv2\EBWebView /prefetch:4 /pfhostedapp:fc865fd7a729218bb5cd7cf1078b12edf9503c85 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{B6CD7A4B-D009-43C0-AE61-076EA20DDC1E}\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=0x188,0x18c,0x190,0x184,0x198,0x7ff8bda55fd8,0x7ff8bda55fe4,0x7ff8bda55ff0
        3⤵
          PID:2660
        • 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-{B6CD7A4B-D009-43C0-AE61-076EA20DDC1E}\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=1760,i,16072851369021279301,5412139807777850234,262144 --enable-features=MojoIpcz --variations-seed-version /prefetch:2 /pfhostedapp:fc865fd7a729218bb5cd7cf1078b12edf9503c85
          3⤵
            PID:4356
          • 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-{B6CD7A4B-D009-43C0-AE61-076EA20DDC1E}\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=2212 --field-trial-handle=1760,i,16072851369021279301,5412139807777850234,262144 --enable-features=MojoIpcz --variations-seed-version /prefetch:3 /pfhostedapp:fc865fd7a729218bb5cd7cf1078b12edf9503c85
            3⤵
              PID:3904
            • 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-{B6CD7A4B-D009-43C0-AE61-076EA20DDC1E}\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=2236 --field-trial-handle=1760,i,16072851369021279301,5412139807777850234,262144 --enable-features=MojoIpcz --variations-seed-version /prefetch:8 /pfhostedapp:fc865fd7a729218bb5cd7cf1078b12edf9503c85
              3⤵
                PID:1452
              • 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-{B6CD7A4B-D009-43C0-AE61-076EA20DDC1E}\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=3496 --field-trial-handle=1760,i,16072851369021279301,5412139807777850234,262144 --enable-features=MojoIpcz --variations-seed-version /pfhostedapp:fc865fd7a729218bb5cd7cf1078b12edf9503c85 /prefetch:1
                3⤵
                  PID:740

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

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                  Downloads

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{B6CD7A4B-D009-43C0-AE61-076EA20DDC1E}\wv2\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 6d734955f5d886b0dc0f2c19a2deadbf5c847ef341c9d484dbc183e2f25ae88f
                  • MD5 SHA1 SHA512 TLSH

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{B6CD7A4B-D009-43C0-AE61-076EA20DDC1E}\wv2\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 0c67aa8be57953ae398df322a4f79b1574a9dbafa77f10f3ec9375d051b76fb1
                  • MD5 SHA1 SHA512 TLSH

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{B6CD7A4B-D009-43C0-AE61-076EA20DDC1E}\wv2\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 7b824e2ac28344a63b8d003c3263347a2d0a77a3a178a66973bd2e73365246a5
                  • MD5 SHA1 SHA512 TLSH

                  throttle_store.dat

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{B6CD7A4B-D009-43C0-AE61-076EA20DDC1E}\wv2\EBWebView\Crashpad\throttle_store.dat
                  • Size 20B
                  • SHA256 41c91a9c93d76295746a149dce7ebb3b9ee2cb551d84365fff108e59a61cc304
                  • MD5 SHA1 SHA512

                  94af943b-dae6-4650-874d-e1fa5064cc97.tmp

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{B6CD7A4B-D009-43C0-AE61-076EA20DDC1E}\wv2\EBWebView\Default\94af943b-dae6-4650-874d-e1fa5064cc97.tmp
                  • Size 5KB
                  • SHA256 cd83dc4f7fa71eb38db4695b1e37749ce5c0e3724be0a4ec1b7d2393b3fcbff2
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  CURRENT

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{B6CD7A4B-D009-43C0-AE61-076EA20DDC1E}\wv2\EBWebView\Default\Extension Rules\CURRENT
                  • Size 16B
                  • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
                  • MD5 SHA1 SHA512

                  MANIFEST-000001

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{B6CD7A4B-D009-43C0-AE61-076EA20DDC1E}\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-{B6CD7A4B-D009-43C0-AE61-076EA20DDC1E}\wv2\EBWebView\Default\Network\Network Persistent State
                  • Size 111B
                  • SHA256 5dfc321417fc31359f23320ea68014ebfd793c5bbed55f77dab4180bbd4a2026
                  • MD5 SHA1 SHA512 TLSH

                  Network Persistent State~RFe5a785e.TMP

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{B6CD7A4B-D009-43C0-AE61-076EA20DDC1E}\wv2\EBWebView\Default\Network\Network Persistent State~RFe5a785e.TMP
                  • Size 59B
                  • SHA256 226eec4486509917aa336afebd6ff65777b75b65f1fb06891d2a857a9421a974
                  • MD5 SHA1 SHA512 TLSH

                  SCT Auditing Pending Reports

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{B6CD7A4B-D009-43C0-AE61-076EA20DDC1E}\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-{B6CD7A4B-D009-43C0-AE61-076EA20DDC1E}\wv2\EBWebView\GraphiteDawnCache\data_0
                  • Size 8KB
                  • SHA256 d6a5fe39cd672781b256e0e3102f7022635f1d4bb7cfcc90a80fffe4d0f3877e
                  • MD5 SHA1 SHA512 SSDEEP

                  data_1

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{B6CD7A4B-D009-43C0-AE61-076EA20DDC1E}\wv2\EBWebView\GraphiteDawnCache\data_1
                  • Size 264KB
                  • SHA256 902f30c1fb0597d0734bc34b979ec5d131f8f39a4b71b338083821216ec8d61b
                  • MD5 SHA1 SHA512 SSDEEP

                  data_2

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{B6CD7A4B-D009-43C0-AE61-076EA20DDC1E}\wv2\EBWebView\GraphiteDawnCache\data_2
                  • Size 8KB
                  • SHA256 ec1702806f4cc7c42a82fc2b38e89835fde7c64bb32060e0823c9077ca92efb7
                  • MD5 SHA1 SHA512 SSDEEP

                  data_3

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{B6CD7A4B-D009-43C0-AE61-076EA20DDC1E}\wv2\EBWebView\GraphiteDawnCache\data_3
                  • Size 8KB
                  • SHA256 e09f42c398d688dce168570291f1f92d079987deda3099a34adb9e8c0522b30c
                  • MD5 SHA1 SHA512 SSDEEP

                  Local State

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{B6CD7A4B-D009-43C0-AE61-076EA20DDC1E}\wv2\EBWebView\Local State
                  • Size 15KB
                  • SHA256 beba1ac14cdd2587d404812ab99742bed589e5fd46060132d0ce04d4c64b8b69
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{B6CD7A4B-D009-43C0-AE61-076EA20DDC1E}\wv2\EBWebView\Local State
                  • Size 2KB
                  • SHA256 d28823134902eda7b37febfc06beaac31788294c4e213f5005cbf20cfc8aca96
                  • MD5 SHA1 SHA512 TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{B6CD7A4B-D009-43C0-AE61-076EA20DDC1E}\wv2\EBWebView\Local State
                  • Size 3KB
                  • SHA256 a1b5e7de88968e206a3bdd3afd4c1755b12690760a91fcfee24541da07ce1bca
                  • MD5 SHA1 SHA512 TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{B6CD7A4B-D009-43C0-AE61-076EA20DDC1E}\wv2\EBWebView\Local State
                  • Size 3KB
                  • SHA256 4959c91a9cbd69a56eaf436ddeb7fdf51c1d2ca203630254833c8c19ddae7c37
                  • MD5 SHA1 SHA512 TLSH

                  Local State~RFe593752.TMP

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{B6CD7A4B-D009-43C0-AE61-076EA20DDC1E}\wv2\EBWebView\Local State~RFe593752.TMP
                  • Size 1KB
                  • SHA256 f5fa33b3643aa6627487ae969023cb2f1ca7f51377efa82aaf49c461c192f34b
                  • MD5 SHA1 SHA512 TLSH

                  memory/740-171-0x000001E7B3620000-0x000001E7B36D2000-memory.dmp

                  memory/740-114-0x00007FF8DED80000-0x00007FF8DED81000-memory.dmp

                  memory/4356-170-0x000002CD245C0000-0x000002CD24672000-memory.dmp

                  memory/4356-65-0x00007FF8DED80000-0x00007FF8DED81000-memory.dmp

                  memory/4356-387-0x000002CD245C0000-0x000002CD24672000-memory.dmp