Analysis

  • max time kernel
    898s
  • max time network
    429s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-ja
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-jalocale:ja-jpos:windows10-2004-x64systemwindows
  • submitted
    31/07/2026, 04:27

General

  • Target
    Madium-Bootstrapper.exe
  • Size 6.9MB
  • Sample260731-e24enatfqf
  • 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
  • Modifies data under HKEY_USERS 2 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:4180
    • 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-{3BCDD97C-B02D-452C-B7DD-91939D702843}\wv2\EBWebView" --noerrdialogs --embedded-browser-webview-dpi-awareness=2 --mojo-named-platform-channel-pipe=4180.5068.15943526907531541799
      2⤵
      • Enumerates system info in registry
      • Modifies data under HKEY_USERS
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of WriteProcessMemory
      PID:860
      • 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-{3BCDD97C-B02D-452C-B7DD-91939D702843}\wv2\EBWebView /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{3BCDD97C-B02D-452C-B7DD-91939D702843}\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=0x160,0x164,0x168,0x13c,0x118,0x7ffc9a52b078,0x7ffc9a52b084,0x7ffc9a52b090
        3⤵
          PID:2096
        • 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-{3BCDD97C-B02D-452C-B7DD-91939D702843}\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=1724,i,12277286773311474904,10297164779173854742,262144 --variations-seed-version --mojo-platform-channel-handle=1720 /prefetch:2
          3⤵
            PID:4584
          • 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=ja --service-sandbox-type=none --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{3BCDD97C-B02D-452C-B7DD-91939D702843}\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=2040,i,12277286773311474904,10297164779173854742,262144 --variations-seed-version --mojo-platform-channel-handle=2032 /prefetch:3
            3⤵
              PID:2968
            • 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=ja --service-sandbox-type=service --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{3BCDD97C-B02D-452C-B7DD-91939D702843}\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=2372,i,12277286773311474904,10297164779173854742,262144 --variations-seed-version --mojo-platform-channel-handle=2376 /prefetch:8
              3⤵
                PID:4508
              • 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-{3BCDD97C-B02D-452C-B7DD-91939D702843}\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=ja --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=ja_JP" --always-read-main-dll --field-trial-handle=3604,i,12277286773311474904,10297164779173854742,262144 --variations-seed-version --mojo-platform-channel-handle=3612 /prefetch:1
                3⤵
                  PID:1044

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{3BCDD97C-B02D-452C-B7DD-91939D702843}\wv2\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 5a6467c43ac7a7b77fccc4e5586caf52ab2c04386317470a7de82b90051822be
                  • MD5 SHA1 SHA512 TLSH

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{3BCDD97C-B02D-452C-B7DD-91939D702843}\wv2\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 86a7fe4ef84597a8005dd34184f80fbcbd3312422261f6be42fdd570abbc46ab
                  • MD5 SHA1 SHA512 TLSH

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{3BCDD97C-B02D-452C-B7DD-91939D702843}\wv2\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 7978585074bdd1d05e0d21d45ec9a8656332397b730f54e09f2567a06d1f8035
                  • MD5 SHA1 SHA512

                  throttle_store.dat

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{3BCDD97C-B02D-452C-B7DD-91939D702843}\wv2\EBWebView\Crashpad\throttle_store.dat
                  • Size 20B
                  • SHA256 41c91a9c93d76295746a149dce7ebb3b9ee2cb551d84365fff108e59a61cc304
                  • MD5 SHA1 SHA512

                  7fdff82b-26b8-4b61-aa55-f6ce6b248dd8.tmp

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{3BCDD97C-B02D-452C-B7DD-91939D702843}\wv2\EBWebView\Default\7fdff82b-26b8-4b61-aa55-f6ce6b248dd8.tmp
                  • Size 6KB
                  • SHA256 d6b6ad1e7d48e72d591284ed43b35432ac47675fa70d9583675fb151e2f1116e
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  index

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{3BCDD97C-B02D-452C-B7DD-91939D702843}\wv2\EBWebView\Default\Cache\Cache_Data\index
                  • Size 256KB
                  • SHA256 0c70b72ea79d78f145ef4effe6c1cbf9d162728fe29a05e3aacfbd877d801172
                  • MD5 SHA1 SHA512 SSDEEP

                  index

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{3BCDD97C-B02D-452C-B7DD-91939D702843}\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-{3BCDD97C-B02D-452C-B7DD-91939D702843}\wv2\EBWebView\Default\Code Cache\wasm\index-dir\the-real-index
                  • Size 48B
                  • SHA256 86e57aa5b0bd0bcd7a76b791c4a38171eb05df711dce06ec62bde065f243102b
                  • MD5 SHA1 SHA512

                  data_1

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{3BCDD97C-B02D-452C-B7DD-91939D702843}\wv2\EBWebView\Default\DawnGraphiteCache\data_1
                  • Size 264KB
                  • SHA256 902f30c1fb0597d0734bc34b979ec5d131f8f39a4b71b338083821216ec8d61b
                  • MD5 SHA1 SHA512 SSDEEP

                  data_0

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{3BCDD97C-B02D-452C-B7DD-91939D702843}\wv2\EBWebView\Default\DawnWebGPUCache\data_0
                  • Size 8KB
                  • SHA256 d6a5fe39cd672781b256e0e3102f7022635f1d4bb7cfcc90a80fffe4d0f3877e
                  • MD5 SHA1 SHA512 SSDEEP

                  data_1

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{3BCDD97C-B02D-452C-B7DD-91939D702843}\wv2\EBWebView\Default\DawnWebGPUCache\data_1
                  • Size 264KB
                  • SHA256 b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec
                  • MD5 SHA1 SHA512 SSDEEP

                  data_2

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{3BCDD97C-B02D-452C-B7DD-91939D702843}\wv2\EBWebView\Default\DawnWebGPUCache\data_2
                  • Size 8KB
                  • SHA256 ec1702806f4cc7c42a82fc2b38e89835fde7c64bb32060e0823c9077ca92efb7
                  • MD5 SHA1 SHA512 SSDEEP

                  data_3

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{3BCDD97C-B02D-452C-B7DD-91939D702843}\wv2\EBWebView\Default\DawnWebGPUCache\data_3
                  • Size 8KB
                  • SHA256 e09f42c398d688dce168570291f1f92d079987deda3099a34adb9e8c0522b30c
                  • MD5 SHA1 SHA512 SSDEEP

                  index

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{3BCDD97C-B02D-452C-B7DD-91939D702843}\wv2\EBWebView\Default\DawnWebGPUCache\index
                  • Size 256KB
                  • SHA256 b1a65b3a4267bb85253bbdac46522e09998092bfe368f7b934ac7b1313561e8b
                  • MD5 SHA1 SHA512 SSDEEP

                  MANIFEST-000001

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{3BCDD97C-B02D-452C-B7DD-91939D702843}\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-{3BCDD97C-B02D-452C-B7DD-91939D702843}\wv2\EBWebView\Default\Network\Network Persistent State
                  • Size 111B
                  • SHA256 5dfc321417fc31359f23320ea68014ebfd793c5bbed55f77dab4180bbd4a2026
                  • MD5 SHA1 SHA512 TLSH

                  Network Persistent State~RFe587c30.TMP

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{3BCDD97C-B02D-452C-B7DD-91939D702843}\wv2\EBWebView\Default\Network\Network Persistent State~RFe587c30.TMP
                  • Size 59B
                  • SHA256 226eec4486509917aa336afebd6ff65777b75b65f1fb06891d2a857a9421a974
                  • MD5 SHA1 SHA512 TLSH

                  SCT Auditing Pending Reports

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{3BCDD97C-B02D-452C-B7DD-91939D702843}\wv2\EBWebView\Default\Network\SCT Auditing Pending Reports
                  • Size 2B
                  • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                  • MD5 SHA1 SHA512

                  CURRENT

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{3BCDD97C-B02D-452C-B7DD-91939D702843}\wv2\EBWebView\Default\Site Characteristics Database\CURRENT
                  • Size 16B
                  • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
                  • MD5 SHA1 SHA512

                  Local State

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{3BCDD97C-B02D-452C-B7DD-91939D702843}\wv2\EBWebView\Local State
                  • Size 1KB
                  • SHA256 361a5e48698e42888c22fa453a053721a5f5a006dfa759c5a35d91bf7d7c1eda
                  • MD5 SHA1 SHA512 TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{3BCDD97C-B02D-452C-B7DD-91939D702843}\wv2\EBWebView\Local State
                  • Size 2KB
                  • SHA256 922ad673a13c65b35ae22518872173dc42516bebec11b403f839604cecf60740
                  • MD5 SHA1 SHA512 TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{3BCDD97C-B02D-452C-B7DD-91939D702843}\wv2\EBWebView\Local State
                  • Size 3KB
                  • SHA256 e74d03790d9550b53ab387a81684151283e2a84f963adc01240d9521ab3f556d
                  • MD5 SHA1 SHA512 TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{3BCDD97C-B02D-452C-B7DD-91939D702843}\wv2\EBWebView\Local State
                  • Size 16KB
                  • SHA256 fb7b48554461b65e6ab42b10cc874615a8481bf75f39ce4ca9d0145c3136f66a
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  Local State~RFe5818d2.TMP

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{3BCDD97C-B02D-452C-B7DD-91939D702843}\wv2\EBWebView\Local State~RFe5818d2.TMP
                  • Size 1KB
                  • SHA256 4f98e9d5da52fc898af5377cc8e6c8e2f2613c3cbcda110d83db9b94cde52fa4
                  • MD5 SHA1 SHA512 TLSH

                  memory/1044-140-0x00007FFCB7BF0000-0x00007FFCB7BF1000-memory.dmp

                  memory/4508-79-0x00007FFCB7AC0000-0x00007FFCB7AC1000-memory.dmp

                  memory/4508-80-0x00007FFCB87D0000-0x00007FFCB87D1000-memory.dmp

                  memory/4584-29-0x00007FFCB7BF0000-0x00007FFCB7BF1000-memory.dmp