Analysis

  • user interaction
    yes
  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20260513-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20260513-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows
  • submitted
    28/07/2026, 06:21

General

  • Target
    Madium-Bootstrapper.exe
  • Size 6.9MB
  • Sample260728-g4ev7afe35
  • 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 11 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:3388
    • 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-{A378FB17-942D-4BFD-813A-F2912346CC67}\wv2\EBWebView" --noerrdialogs --embedded-browser-webview-dpi-awareness=2 --mojo-named-platform-channel-pipe=3388.5324.15803364069291624699
      2⤵
      • Enumerates system info in registry
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of WriteProcessMemory
      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=crashpad-handler --user-data-dir=C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{A378FB17-942D-4BFD-813A-F2912346CC67}\wv2\EBWebView /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{A378FB17-942D-4BFD-813A-F2912346CC67}\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=0x184,0x188,0x18c,0x160,0x194,0x7ffb7080b078,0x7ffb7080b084,0x7ffb7080b090
        3⤵
          PID:704
        • 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-{A378FB17-942D-4BFD-813A-F2912346CC67}\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=1740,i,132396487683246845,17050470314849533608,262144 --variations-seed-version --mojo-platform-channel-handle=1736 /prefetch:2
          3⤵
            PID:1796
          • 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-{A378FB17-942D-4BFD-813A-F2912346CC67}\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=1856,i,132396487683246845,17050470314849533608,262144 --variations-seed-version --mojo-platform-channel-handle=2208 /prefetch:3
            3⤵
              PID:4396
            • 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-{A378FB17-942D-4BFD-813A-F2912346CC67}\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=2308,i,132396487683246845,17050470314849533608,262144 --variations-seed-version --mojo-platform-channel-handle=2212 /prefetch:8
              3⤵
                PID:3548
              • 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-{A378FB17-942D-4BFD-813A-F2912346CC67}\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=3616,i,132396487683246845,17050470314849533608,262144 --variations-seed-version --mojo-platform-channel-handle=3620 /prefetch:1
                3⤵
                  PID:5760

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{A378FB17-942D-4BFD-813A-F2912346CC67}\wv2\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 205a166ff121bde3def1513a67a2dcbfae05277cc080521a40ff14e2093fd904
                  • MD5 SHA1 SHA512 TLSH

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{A378FB17-942D-4BFD-813A-F2912346CC67}\wv2\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 ef44d5bdd28a977d686d05e2c807ec4112dce8415d7a66dea756ef55f7057322
                  • MD5 SHA1 SHA512

                  throttle_store.dat

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{A378FB17-942D-4BFD-813A-F2912346CC67}\wv2\EBWebView\Crashpad\throttle_store.dat
                  • Size 20B
                  • SHA256 41c91a9c93d76295746a149dce7ebb3b9ee2cb551d84365fff108e59a61cc304
                  • MD5 SHA1 SHA512

                  index

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{A378FB17-942D-4BFD-813A-F2912346CC67}\wv2\EBWebView\Default\Cache\Cache_Data\index
                  • Size 256KB
                  • SHA256 166b6a543ae69925e03ec6dffcf520be67b288ff7bbc08429f7ee503ea33e3bc
                  • MD5 SHA1 SHA512 SSDEEP

                  index

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{A378FB17-942D-4BFD-813A-F2912346CC67}\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-{A378FB17-942D-4BFD-813A-F2912346CC67}\wv2\EBWebView\Default\Code Cache\wasm\index-dir\the-real-index
                  • Size 48B
                  • SHA256 245ead6567a23f4584ebe8de875eef424f1303ff35d354d4864adcca2e79b9cc
                  • MD5 SHA1 SHA512

                  data_1

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{A378FB17-942D-4BFD-813A-F2912346CC67}\wv2\EBWebView\Default\DawnWebGPUCache\data_1
                  • Size 264KB
                  • SHA256 b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec
                  • MD5 SHA1 SHA512 SSDEEP

                  index

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{A378FB17-942D-4BFD-813A-F2912346CC67}\wv2\EBWebView\Default\DawnWebGPUCache\index
                  • Size 256KB
                  • SHA256 f2c4481624580a2aa96ac116747ba01bfed9a38bdf9694002d8c511272b27d2b
                  • MD5 SHA1 SHA512 SSDEEP

                  CURRENT

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{A378FB17-942D-4BFD-813A-F2912346CC67}\wv2\EBWebView\Default\Extension Rules\CURRENT
                  • Size 16B
                  • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
                  • MD5 SHA1 SHA512

                  MANIFEST-000001

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{A378FB17-942D-4BFD-813A-F2912346CC67}\wv2\EBWebView\Default\Extension Rules\MANIFEST-000001
                  • Size 41B
                  • SHA256 f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4
                  • MD5 SHA1 SHA512

                  SCT Auditing Pending Reports

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{A378FB17-942D-4BFD-813A-F2912346CC67}\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-{A378FB17-942D-4BFD-813A-F2912346CC67}\wv2\EBWebView\GrShaderCache\data_0
                  • Size 8KB
                  • SHA256 d6a5fe39cd672781b256e0e3102f7022635f1d4bb7cfcc90a80fffe4d0f3877e
                  • MD5 SHA1 SHA512 SSDEEP

                  data_1

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{A378FB17-942D-4BFD-813A-F2912346CC67}\wv2\EBWebView\GrShaderCache\data_1
                  • Size 264KB
                  • SHA256 902f30c1fb0597d0734bc34b979ec5d131f8f39a4b71b338083821216ec8d61b
                  • MD5 SHA1 SHA512 SSDEEP

                  data_2

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{A378FB17-942D-4BFD-813A-F2912346CC67}\wv2\EBWebView\GrShaderCache\data_2
                  • Size 8KB
                  • SHA256 ec1702806f4cc7c42a82fc2b38e89835fde7c64bb32060e0823c9077ca92efb7
                  • MD5 SHA1 SHA512 SSDEEP

                  data_3

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{A378FB17-942D-4BFD-813A-F2912346CC67}\wv2\EBWebView\GrShaderCache\data_3
                  • Size 8KB
                  • SHA256 e09f42c398d688dce168570291f1f92d079987deda3099a34adb9e8c0522b30c
                  • MD5 SHA1 SHA512 SSDEEP

                  Local State

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{A378FB17-942D-4BFD-813A-F2912346CC67}\wv2\EBWebView\Local State
                  • Size 1KB
                  • SHA256 285b2866293a295a765f9678638e70deac5192ff874b78f9ce56da29d138858c
                  • MD5 SHA1 SHA512 TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{A378FB17-942D-4BFD-813A-F2912346CC67}\wv2\EBWebView\Local State
                  • Size 2KB
                  • SHA256 cbcc911537a54adf1278c32c8c60e2301f61c976f3f1245f3f16f0d918d966a4
                  • MD5 SHA1 SHA512 TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{A378FB17-942D-4BFD-813A-F2912346CC67}\wv2\EBWebView\Local State
                  • Size 3KB
                  • SHA256 24afec7258ec4832355cbc7ed4449220ea804796daac361174009c029786e6fd
                  • MD5 SHA1 SHA512 TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{A378FB17-942D-4BFD-813A-F2912346CC67}\wv2\EBWebView\Local State
                  • Size 4KB
                  • SHA256 e5b6a566e4e014ae48cc231fd1a299bff8694d8148c7e107fdc69732002303fa
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  Local State~RFe58a3ad.TMP

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{A378FB17-942D-4BFD-813A-F2912346CC67}\wv2\EBWebView\Local State~RFe58a3ad.TMP
                  • Size 1KB
                  • SHA256 4f11a3b202bf09594c3b77973fb34bd537b71394c77c610bd977e1dd11152797
                  • MD5 SHA1 SHA512 TLSH

                  memory/556-328-0x0000024456FF0000-0x0000024457FF0000-memory.dmp

                  memory/1796-93-0x00007FFB8D120000-0x00007FFB8D121000-memory.dmp

                  memory/1796-326-0x000001E6263A0000-0x000001E6263CB000-memory.dmp

                  memory/3548-115-0x00007FFB8D200000-0x00007FFB8D201000-memory.dmp

                  memory/3548-114-0x00007FFB8B5B0000-0x00007FFB8B5B1000-memory.dmp

                  memory/3548-323-0x0000028302D30000-0x0000028302D5F000-memory.dmp

                  memory/5760-116-0x00007FFB8D120000-0x00007FFB8D121000-memory.dmp