Analysis

  • user interaction
    yes
  • max time kernel
    93s
  • max time network
    91s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    09/07/2026, 15:00

General

  • Target
    Madium-Bootstrapper.exe
  • Size 6.9MB
  • Sample260709-sdnwyscv9p
  • 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 Program Files directory 3 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
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 13 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 FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4388
    • 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-{85B54B2B-0679-458B-96C3-6A2AE3F1C62D}\wv2\EBWebView" --noerrdialogs --embedded-browser-webview-dpi-awareness=2 --mojo-named-platform-channel-pipe=4388.3972.5870134437043369367
      2⤵
      • Drops file in Program Files directory
      • Enumerates system info in registry
      • Modifies data under HKEY_USERS
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of WriteProcessMemory
      PID:2360
      • 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-{85B54B2B-0679-458B-96C3-6A2AE3F1C62D}\wv2\EBWebView /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{85B54B2B-0679-458B-96C3-6A2AE3F1C62D}\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,0x7ff964d9b078,0x7ff964d9b084,0x7ff964d9b090
        3⤵
          PID:776
        • 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-{85B54B2B-0679-458B-96C3-6A2AE3F1C62D}\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=1728,i,277416977166960773,13686711326125777515,262144 --variations-seed-version --mojo-platform-channel-handle=1724 /prefetch:2
          3⤵
            PID:432
          • 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-{85B54B2B-0679-458B-96C3-6A2AE3F1C62D}\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=1708,i,277416977166960773,13686711326125777515,262144 --variations-seed-version --mojo-platform-channel-handle=2020 /prefetch:3
            3⤵
              PID:1816
            • 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-{85B54B2B-0679-458B-96C3-6A2AE3F1C62D}\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=2332,i,277416977166960773,13686711326125777515,262144 --variations-seed-version --mojo-platform-channel-handle=2344 /prefetch:8
              3⤵
                PID:556
              • 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-{85B54B2B-0679-458B-96C3-6A2AE3F1C62D}\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=3736,i,277416977166960773,13686711326125777515,262144 --variations-seed-version --mojo-platform-channel-handle=3744 /prefetch:1
                3⤵
                  PID:3880
                • 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=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{85B54B2B-0679-458B-96C3-6A2AE3F1C62D}\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=2180,i,277416977166960773,13686711326125777515,262144 --variations-seed-version --mojo-platform-channel-handle=4488 /prefetch:8
                  3⤵
                    PID:2732

              Network

                    MITRE ATT&CK Enterprise v16

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    crl-set

                    • Path C:\Program Files\chrome_Unpacker_BeginUnzipping2360_1751074290\crl-set
                    • Size 22KB
                    • SHA256 6ddcaf50aaff98b960d067054ce2ce17872ac0719d02abbb7fe56b9eabc818f2
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    manifest.json

                    • Path C:\Program Files\chrome_Unpacker_BeginUnzipping2360_1751074290\manifest.json
                    • Size 113B
                    • SHA256 98821f71a1973ac61b45967ce0c121eb598ac6e95abaa23c912d2f33e4237d8c
                    • MD5 SHA1 SHA512 TLSH

                    manifest.fingerprint

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{85B54B2B-0679-458B-96C3-6A2AE3F1C62D}\wv2\EBWebView\CertificateRevocation\6498.2025.9.4\manifest.fingerprint
                    • Size 66B
                    • SHA256 bc8d4367c67f869cbf134ee18cc34007003022251fd5d54980fae22d990f1563
                    • MD5 SHA1 SHA512 TLSH

                    settings.dat

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{85B54B2B-0679-458B-96C3-6A2AE3F1C62D}\wv2\EBWebView\Crashpad\settings.dat
                    • Size 280B
                    • SHA256 6d1aa0ad52637154a2015313f75563f5b72fa188bcad6fc22f00ca478f520196
                    • MD5 SHA1 SHA512 TLSH

                    settings.dat

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{85B54B2B-0679-458B-96C3-6A2AE3F1C62D}\wv2\EBWebView\Crashpad\settings.dat
                    • Size 280B
                    • SHA256 c80c5f5c82da1c4cc86e13eade4b0b1142ae3492a393c6f991b0a6b0a4f8fe41
                    • MD5 SHA1 SHA512 TLSH

                    settings.dat

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{85B54B2B-0679-458B-96C3-6A2AE3F1C62D}\wv2\EBWebView\Crashpad\settings.dat
                    • Size 280B
                    • SHA256 a01ff15e569a63dbcb8bde586dc2ebbfc6aa4350086a626d4e9da1908327f373
                    • MD5 SHA1 SHA512

                    throttle_store.dat

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{85B54B2B-0679-458B-96C3-6A2AE3F1C62D}\wv2\EBWebView\Crashpad\throttle_store.dat
                    • Size 20B
                    • SHA256 41c91a9c93d76295746a149dce7ebb3b9ee2cb551d84365fff108e59a61cc304
                    • MD5 SHA1 SHA512

                    index

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{85B54B2B-0679-458B-96C3-6A2AE3F1C62D}\wv2\EBWebView\Default\Cache\Cache_Data\index
                    • Size 256KB
                    • SHA256 e31326ac4d659cd0e5ac9e28bb15045ec2a43668f30b95fb7226951997976577
                    • MD5 SHA1 SHA512 SSDEEP

                    the-real-index

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{85B54B2B-0679-458B-96C3-6A2AE3F1C62D}\wv2\EBWebView\Default\Code Cache\js\index-dir\the-real-index
                    • Size 48B
                    • SHA256 e2fb3b3b94e300257d650f398b2bf0f02a65263efdf4ff8ed4908fe69c4d7733
                    • MD5 SHA1 SHA512

                    index

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{85B54B2B-0679-458B-96C3-6A2AE3F1C62D}\wv2\EBWebView\Default\Code Cache\wasm\index
                    • Size 24B
                    • SHA256 fbcfe23a2ecb82b7100c50811691dde0a33aa3da8d176be9882a9db485dc0f2d
                    • MD5 SHA1 SHA512

                    index

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{85B54B2B-0679-458B-96C3-6A2AE3F1C62D}\wv2\EBWebView\Default\DawnGraphiteCache\index
                    • Size 256KB
                    • SHA256 cd07c3d919054ed25edce26f7097ebcf0a04e34c443d128bf2cac649354bf609
                    • MD5 SHA1 SHA512 SSDEEP

                    data_0

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{85B54B2B-0679-458B-96C3-6A2AE3F1C62D}\wv2\EBWebView\Default\DawnWebGPUCache\data_0
                    • Size 8KB
                    • SHA256 d6a5fe39cd672781b256e0e3102f7022635f1d4bb7cfcc90a80fffe4d0f3877e
                    • MD5 SHA1 SHA512 SSDEEP

                    data_1

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{85B54B2B-0679-458B-96C3-6A2AE3F1C62D}\wv2\EBWebView\Default\DawnWebGPUCache\data_1
                    • Size 264KB
                    • SHA256 902f30c1fb0597d0734bc34b979ec5d131f8f39a4b71b338083821216ec8d61b
                    • MD5 SHA1 SHA512 SSDEEP

                    data_1

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{85B54B2B-0679-458B-96C3-6A2AE3F1C62D}\wv2\EBWebView\Default\DawnWebGPUCache\data_1
                    • Size 264KB
                    • SHA256 b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec
                    • MD5 SHA1 SHA512 SSDEEP

                    data_2

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{85B54B2B-0679-458B-96C3-6A2AE3F1C62D}\wv2\EBWebView\Default\DawnWebGPUCache\data_2
                    • Size 8KB
                    • SHA256 ec1702806f4cc7c42a82fc2b38e89835fde7c64bb32060e0823c9077ca92efb7
                    • MD5 SHA1 SHA512 SSDEEP

                    data_3

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{85B54B2B-0679-458B-96C3-6A2AE3F1C62D}\wv2\EBWebView\Default\DawnWebGPUCache\data_3
                    • Size 8KB
                    • SHA256 e09f42c398d688dce168570291f1f92d079987deda3099a34adb9e8c0522b30c
                    • MD5 SHA1 SHA512 SSDEEP

                    index

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{85B54B2B-0679-458B-96C3-6A2AE3F1C62D}\wv2\EBWebView\Default\DawnWebGPUCache\index
                    • Size 256KB
                    • SHA256 c707d35e67f57edb67a6b3bc35c561ceeafe76cffbec97379288fb38d0d088f5
                    • MD5 SHA1 SHA512 SSDEEP

                    Network Persistent State

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{85B54B2B-0679-458B-96C3-6A2AE3F1C62D}\wv2\EBWebView\Default\Network\Network Persistent State
                    • Size 111B
                    • SHA256 5dfc321417fc31359f23320ea68014ebfd793c5bbed55f77dab4180bbd4a2026
                    • MD5 SHA1 SHA512 TLSH

                    Network Persistent State~RFe596d76.TMP

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{85B54B2B-0679-458B-96C3-6A2AE3F1C62D}\wv2\EBWebView\Default\Network\Network Persistent State~RFe596d76.TMP
                    • Size 59B
                    • SHA256 226eec4486509917aa336afebd6ff65777b75b65f1fb06891d2a857a9421a974
                    • MD5 SHA1 SHA512 TLSH

                    SCT Auditing Pending Reports

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{85B54B2B-0679-458B-96C3-6A2AE3F1C62D}\wv2\EBWebView\Default\Network\SCT Auditing Pending Reports
                    • Size 2B
                    • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                    • MD5 SHA1 SHA512

                    Preferences

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{85B54B2B-0679-458B-96C3-6A2AE3F1C62D}\wv2\EBWebView\Default\Preferences
                    • Size 6KB
                    • SHA256 aa32c41aec9162a785c0243c0c56bf2c42ad2563fc7fa6ff59fd25b00c502bda
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    Preferences

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{85B54B2B-0679-458B-96C3-6A2AE3F1C62D}\wv2\EBWebView\Default\Preferences
                    • Size 6KB
                    • SHA256 2481bac0a6458e9fcedd1902e4609e93a7927e645f4ad6041d602d1dfcaeb171
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    CURRENT

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{85B54B2B-0679-458B-96C3-6A2AE3F1C62D}\wv2\EBWebView\Default\Sync Data\LevelDB\CURRENT
                    • Size 16B
                    • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
                    • MD5 SHA1 SHA512

                    MANIFEST-000001

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{85B54B2B-0679-458B-96C3-6A2AE3F1C62D}\wv2\EBWebView\Default\Sync Data\LevelDB\MANIFEST-000001
                    • Size 41B
                    • SHA256 f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4
                    • MD5 SHA1 SHA512

                    Local State

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{85B54B2B-0679-458B-96C3-6A2AE3F1C62D}\wv2\EBWebView\Local State
                    • Size 1KB
                    • SHA256 3290c669cc73250eeb970049bf2c487c7e965c53b301c6c89d9b8805f4acb0e3
                    • MD5 SHA1 SHA512 TLSH

                    Local State

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{85B54B2B-0679-458B-96C3-6A2AE3F1C62D}\wv2\EBWebView\Local State
                    • Size 2KB
                    • SHA256 791f46ec724b1387afe7fef060ce92906f1a09ee4b8417b3dc8d2bebea7f4daf
                    • MD5 SHA1 SHA512 TLSH

                    Local State

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{85B54B2B-0679-458B-96C3-6A2AE3F1C62D}\wv2\EBWebView\Local State
                    • Size 3KB
                    • SHA256 20972ca68ca21eb753643f56ec8706dfa3c9a0cb8c137a4a9b25617aa1e3af0d
                    • MD5 SHA1 SHA512 TLSH

                    Local State

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{85B54B2B-0679-458B-96C3-6A2AE3F1C62D}\wv2\EBWebView\Local State
                    • Size 15KB
                    • SHA256 3262cdf11c70b20b1e790323fbc89b7f400c5263ffcf8c93c9c233ba4b92bfb4
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    Local State~RFe58439c.TMP

                    • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{85B54B2B-0679-458B-96C3-6A2AE3F1C62D}\wv2\EBWebView\Local State~RFe58439c.TMP
                    • Size 1KB
                    • SHA256 04ca6f13159a767328f8e0cd3d8f85ea06e3ce7b52b6b66555215652f47e3ddd
                    • MD5 SHA1 SHA512 TLSH

                    memory/432-29-0x00007FF97EFE0000-0x00007FF97EFE1000-memory.dmp

                    memory/556-81-0x00007FF980880000-0x00007FF980881000-memory.dmp

                    memory/556-82-0x00007FF97F4A0000-0x00007FF97F4A1000-memory.dmp

                    memory/3880-135-0x00007FF97EFE0000-0x00007FF97EFE1000-memory.dmp