Analysis

  • user interaction
    yes
  • max time kernel
    95s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    19/07/2026, 19:06

General

  • Target
    Madium-Bootstrapper.exe
  • Size 6.9MB
  • Sample260719-xr79zacv21
  • 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
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 11 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 FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1552
    • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
      "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --embedded-browser-webview=1 --webview-exe-name=Madium-Bootstrapper.exe --user-data-dir="C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{BCC81205-35B1-407D-BCE9-D20B4E392959}\wv2\EBWebView" --noerrdialogs --embedded-browser-webview-dpi-awareness=2 --mojo-named-platform-channel-pipe=1552.872.7305848776217997225
      2⤵
      • Enumerates system info in registry
      • Modifies data under HKEY_USERS
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of WriteProcessMemory
      PID:1584
      • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
        "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=crashpad-handler --user-data-dir=C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{BCC81205-35B1-407D-BCE9-D20B4E392959}\wv2\EBWebView /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{BCC81205-35B1-407D-BCE9-D20B4E392959}\wv2\EBWebView\Crashpad --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=132.0.6834.160 "--annotation=exe=C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --annotation=plat=Win64 "--annotation=prod=Edge WebView2" --annotation=ver=132.0.2957.140 --initial-client-data=0x15c,0x160,0x164,0x138,0x16c,0x7ffdf381b078,0x7ffdf381b084,0x7ffdf381b090
        3⤵
          PID:2320
        • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
          "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=gpu-process --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{BCC81205-35B1-407D-BCE9-D20B4E392959}\wv2\EBWebView" --webview-exe-name=Madium-Bootstrapper.exe --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --gpu-preferences=UAAAAAAAAADgAAAEAAAAAAAAAAAAAAAAAABgAAEAAAAAAAAAAAAAAAAAAAACAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAEAAAAAAAAAAIAAAAAAAAAAgAAAAAAAAA --always-read-main-dll --field-trial-handle=1720,i,15245568976688501311,5943734820542425626,262144 --variations-seed-version --mojo-platform-channel-handle=1716 /prefetch:2
          3⤵
            PID:4216
          • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
            "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{BCC81205-35B1-407D-BCE9-D20B4E392959}\wv2\EBWebView" --webview-exe-name=Madium-Bootstrapper.exe --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --always-read-main-dll --field-trial-handle=2036,i,15245568976688501311,5943734820542425626,262144 --variations-seed-version --mojo-platform-channel-handle=2040 /prefetch:3
            3⤵
              PID:4732
            • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
              "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{BCC81205-35B1-407D-BCE9-D20B4E392959}\wv2\EBWebView" --webview-exe-name=Madium-Bootstrapper.exe --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --always-read-main-dll --field-trial-handle=2296,i,15245568976688501311,5943734820542425626,262144 --variations-seed-version --mojo-platform-channel-handle=2308 /prefetch:8
              3⤵
                PID:5028
              • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
                "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=renderer --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{BCC81205-35B1-407D-BCE9-D20B4E392959}\wv2\EBWebView" --webview-exe-name=Madium-Bootstrapper.exe --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --video-capture-use-gpu-memory-buffer --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=" --always-read-main-dll --field-trial-handle=3552,i,15245568976688501311,5943734820542425626,262144 --variations-seed-version --mojo-platform-channel-handle=3560 /prefetch:1
                3⤵
                  PID:4424

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{BCC81205-35B1-407D-BCE9-D20B4E392959}\wv2\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 689f8f9cad1d5ce2a379e44b70620389e7526b92f0921aad66ffd3c0fc97494c
                  • MD5 SHA1 SHA512 TLSH

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{BCC81205-35B1-407D-BCE9-D20B4E392959}\wv2\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 928f64bfad284479621325a8f62c85f5d43b598c4720ff57f22b108394447fae
                  • MD5 SHA1 SHA512 TLSH

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{BCC81205-35B1-407D-BCE9-D20B4E392959}\wv2\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 17033b8cc05f6a2df0384fe98b25f566ae0b70bfc59546f99c8c19a830fdaefe
                  • MD5 SHA1 SHA512

                  throttle_store.dat

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{BCC81205-35B1-407D-BCE9-D20B4E392959}\wv2\EBWebView\Crashpad\throttle_store.dat
                  • Size 20B
                  • SHA256 41c91a9c93d76295746a149dce7ebb3b9ee2cb551d84365fff108e59a61cc304
                  • MD5 SHA1 SHA512

                  index

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{BCC81205-35B1-407D-BCE9-D20B4E392959}\wv2\EBWebView\Default\Cache\Cache_Data\index
                  • Size 256KB
                  • SHA256 9b7c9735269aa95c1aa4a6e44e1822017a1b31ef7625e8a56fd10843c3a3f97f
                  • MD5 SHA1 SHA512 SSDEEP

                  the-real-index

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{BCC81205-35B1-407D-BCE9-D20B4E392959}\wv2\EBWebView\Default\Code Cache\js\index-dir\the-real-index
                  • Size 48B
                  • SHA256 66cd128edf25f1de9db86d60f4cd441a969ab1f50d414dcdcbc074156230f1ab
                  • MD5 SHA1 SHA512

                  index

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{BCC81205-35B1-407D-BCE9-D20B4E392959}\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-{BCC81205-35B1-407D-BCE9-D20B4E392959}\wv2\EBWebView\Default\Code Cache\wasm\index-dir\the-real-index
                  • Size 48B
                  • SHA256 087ee3f0e093f693df0ca9fe60a12d581b55701b73200cc638ee32546f4a5887
                  • MD5 SHA1 SHA512

                  data_1

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{BCC81205-35B1-407D-BCE9-D20B4E392959}\wv2\EBWebView\Default\DawnWebGPUCache\data_1
                  • Size 264KB
                  • SHA256 b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec
                  • MD5 SHA1 SHA512 SSDEEP

                  index

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{BCC81205-35B1-407D-BCE9-D20B4E392959}\wv2\EBWebView\Default\DawnWebGPUCache\index
                  • Size 256KB
                  • SHA256 36d8db95940974e50ea4974f0fe1c2e9812bb8f8d9686c3917e00834bfe1f365
                  • MD5 SHA1 SHA512 SSDEEP

                  CURRENT

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{BCC81205-35B1-407D-BCE9-D20B4E392959}\wv2\EBWebView\Default\Extension Rules\CURRENT
                  • Size 16B
                  • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
                  • MD5 SHA1 SHA512

                  MANIFEST-000001

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{BCC81205-35B1-407D-BCE9-D20B4E392959}\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-{BCC81205-35B1-407D-BCE9-D20B4E392959}\wv2\EBWebView\Default\Network\Network Persistent State
                  • Size 111B
                  • SHA256 5dfc321417fc31359f23320ea68014ebfd793c5bbed55f77dab4180bbd4a2026
                  • MD5 SHA1 SHA512 TLSH

                  Network Persistent State~RFe593fed.TMP

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{BCC81205-35B1-407D-BCE9-D20B4E392959}\wv2\EBWebView\Default\Network\Network Persistent State~RFe593fed.TMP
                  • Size 59B
                  • SHA256 226eec4486509917aa336afebd6ff65777b75b65f1fb06891d2a857a9421a974
                  • MD5 SHA1 SHA512 TLSH

                  SCT Auditing Pending Reports

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{BCC81205-35B1-407D-BCE9-D20B4E392959}\wv2\EBWebView\Default\Network\SCT Auditing Pending Reports
                  • Size 2B
                  • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                  • MD5 SHA1 SHA512

                  ff0b641a-2071-47a0-bc3b-5cdb7cdeb5fd.tmp

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{BCC81205-35B1-407D-BCE9-D20B4E392959}\wv2\EBWebView\Default\ff0b641a-2071-47a0-bc3b-5cdb7cdeb5fd.tmp
                  • Size 6KB
                  • SHA256 2efe81855c9422314024eabaa5f6cfca283061366e4462799d6087af7488f574
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  data_0

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{BCC81205-35B1-407D-BCE9-D20B4E392959}\wv2\EBWebView\GrShaderCache\data_0
                  • Size 8KB
                  • SHA256 d6a5fe39cd672781b256e0e3102f7022635f1d4bb7cfcc90a80fffe4d0f3877e
                  • MD5 SHA1 SHA512 SSDEEP

                  data_1

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{BCC81205-35B1-407D-BCE9-D20B4E392959}\wv2\EBWebView\GrShaderCache\data_1
                  • Size 264KB
                  • SHA256 902f30c1fb0597d0734bc34b979ec5d131f8f39a4b71b338083821216ec8d61b
                  • MD5 SHA1 SHA512 SSDEEP

                  data_2

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{BCC81205-35B1-407D-BCE9-D20B4E392959}\wv2\EBWebView\GrShaderCache\data_2
                  • Size 8KB
                  • SHA256 ec1702806f4cc7c42a82fc2b38e89835fde7c64bb32060e0823c9077ca92efb7
                  • MD5 SHA1 SHA512 SSDEEP

                  data_3

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{BCC81205-35B1-407D-BCE9-D20B4E392959}\wv2\EBWebView\GrShaderCache\data_3
                  • Size 8KB
                  • SHA256 e09f42c398d688dce168570291f1f92d079987deda3099a34adb9e8c0522b30c
                  • MD5 SHA1 SHA512 SSDEEP

                  Local State

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{BCC81205-35B1-407D-BCE9-D20B4E392959}\wv2\EBWebView\Local State
                  • Size 15KB
                  • SHA256 9985761db2b6e1bb7400c36a83eaef6ac5a3bc2f5d2ebda61243c0b4dc1aca26
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{BCC81205-35B1-407D-BCE9-D20B4E392959}\wv2\EBWebView\Local State
                  • Size 1KB
                  • SHA256 202afe310ee92cb5cb9355276095298b3f48051337758f856758b2a20a68a7ca
                  • MD5 SHA1 SHA512 TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{BCC81205-35B1-407D-BCE9-D20B4E392959}\wv2\EBWebView\Local State
                  • Size 2KB
                  • SHA256 43106b42eb84430126a8345b2e1a431199bfd33b62cd068d9277077760df7c8d
                  • MD5 SHA1 SHA512 TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{BCC81205-35B1-407D-BCE9-D20B4E392959}\wv2\EBWebView\Local State
                  • Size 3KB
                  • SHA256 61a084527b8baa2a0b70a29fa46f7487711ee08feaedba17d748f7a3f67095d2
                  • MD5 SHA1 SHA512 TLSH

                  Local State~RFe58da7d.TMP

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{BCC81205-35B1-407D-BCE9-D20B4E392959}\wv2\EBWebView\Local State~RFe58da7d.TMP
                  • Size 1KB
                  • SHA256 f20bbcfbd2e7437a9dd0f727372e87c399bf48b94b54aeb33f5d0f1f43edfbff
                  • MD5 SHA1 SHA512 TLSH

                  memory/4216-215-0x000001F745900000-0x000001F7459CD000-memory.dmp

                  memory/4216-29-0x00007FFE0FAA0000-0x00007FFE0FAA1000-memory.dmp

                  memory/4424-216-0x0000025CD2C00000-0x0000025CD2CCD000-memory.dmp

                  memory/4424-122-0x00007FFE0FAA0000-0x00007FFE0FAA1000-memory.dmp

                  memory/5028-96-0x00007FFE0F670000-0x00007FFE0F671000-memory.dmp

                  memory/5028-95-0x00007FFE0E300000-0x00007FFE0E301000-memory.dmp