Analysis

  • user interaction
    yes
  • max time kernel
    18s
  • max time network
    17s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    03/08/2026, 18:37

General

  • Target
    Madium-Bootstrapper.exe
  • Size 6.9MB
  • Sample260803-w9hatsytez
  • 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:4336
    • 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-{5F84CB5D-C9B8-4277-B467-9AF475CC004E}\wv2\EBWebView" --noerrdialogs --embedded-browser-webview-dpi-awareness=2 --mojo-named-platform-channel-pipe=4336.3520.509918631014787243
      2⤵
      • Enumerates system info in registry
      • Modifies data under HKEY_USERS
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of WriteProcessMemory
      PID:2156
      • 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-{5F84CB5D-C9B8-4277-B467-9AF475CC004E}\wv2\EBWebView /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{5F84CB5D-C9B8-4277-B467-9AF475CC004E}\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,0x7ffe8206b078,0x7ffe8206b084,0x7ffe8206b090
        3⤵
          PID:888
        • 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-{5F84CB5D-C9B8-4277-B467-9AF475CC004E}\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=1636,i,10098543299272515142,2221456134394740861,262144 --variations-seed-version --mojo-platform-channel-handle=1736 /prefetch:2
          3⤵
            PID:4444
          • 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-{5F84CB5D-C9B8-4277-B467-9AF475CC004E}\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=2032,i,10098543299272515142,2221456134394740861,262144 --variations-seed-version --mojo-platform-channel-handle=2060 /prefetch:3
            3⤵
              PID:4108
            • 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-{5F84CB5D-C9B8-4277-B467-9AF475CC004E}\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=2352,i,10098543299272515142,2221456134394740861,262144 --variations-seed-version --mojo-platform-channel-handle=2364 /prefetch:8
              3⤵
                PID:1808
              • 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-{5F84CB5D-C9B8-4277-B467-9AF475CC004E}\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=3448,i,10098543299272515142,2221456134394740861,262144 --variations-seed-version --mojo-platform-channel-handle=3476 /prefetch:1
                3⤵
                  PID:3512

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{5F84CB5D-C9B8-4277-B467-9AF475CC004E}\wv2\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 80ccce2639ccbb0476d30deac2629e5bf7cd0584597d812be7b30788f46dfb06
                  • MD5 SHA1 SHA512 TLSH

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{5F84CB5D-C9B8-4277-B467-9AF475CC004E}\wv2\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 25e9ec3f0a37025d7d57c895e5a7ff7eac0177c0c666e3c65d4c3d81657e7fd0
                  • MD5 SHA1 SHA512

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{5F84CB5D-C9B8-4277-B467-9AF475CC004E}\wv2\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 aebfa302c74d810381ba8d1e83cc83000e826afffdf0e2f6aa8efb3c593e26b5
                  • MD5 SHA1 SHA512 TLSH

                  throttle_store.dat

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{5F84CB5D-C9B8-4277-B467-9AF475CC004E}\wv2\EBWebView\Crashpad\throttle_store.dat
                  • Size 20B
                  • SHA256 41c91a9c93d76295746a149dce7ebb3b9ee2cb551d84365fff108e59a61cc304
                  • MD5 SHA1 SHA512

                  index

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{5F84CB5D-C9B8-4277-B467-9AF475CC004E}\wv2\EBWebView\Default\Cache\Cache_Data\index
                  • Size 256KB
                  • SHA256 3586d2354063c0e367def5ec85527c25424e1e443475014dad6bc1d8dd600d2f
                  • MD5 SHA1 SHA512 SSDEEP

                  index

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{5F84CB5D-C9B8-4277-B467-9AF475CC004E}\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-{5F84CB5D-C9B8-4277-B467-9AF475CC004E}\wv2\EBWebView\Default\Code Cache\wasm\index-dir\the-real-index
                  • Size 48B
                  • SHA256 4f447f3de5f37dd693191ef60294008e12e51d0ddee748443ed7d65fd904609a
                  • MD5 SHA1 SHA512

                  index

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{5F84CB5D-C9B8-4277-B467-9AF475CC004E}\wv2\EBWebView\Default\DawnGraphiteCache\index
                  • Size 256KB
                  • SHA256 c589174da59b06df08f32ac5a367fed30ca78c6890e49167022e8b8cb891e823
                  • MD5 SHA1 SHA512 SSDEEP

                  data_1

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{5F84CB5D-C9B8-4277-B467-9AF475CC004E}\wv2\EBWebView\Default\DawnWebGPUCache\data_1
                  • Size 264KB
                  • SHA256 b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec
                  • MD5 SHA1 SHA512 SSDEEP

                  index

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{5F84CB5D-C9B8-4277-B467-9AF475CC004E}\wv2\EBWebView\Default\DawnWebGPUCache\index
                  • Size 256KB
                  • SHA256 dc67c6a79a64357a7e5a44b39c856f8dac907e179ef2cc7e141693a598bb19f2
                  • MD5 SHA1 SHA512 SSDEEP

                  MANIFEST-000001

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{5F84CB5D-C9B8-4277-B467-9AF475CC004E}\wv2\EBWebView\Default\Extension Rules\MANIFEST-000001
                  • Size 41B
                  • SHA256 f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4
                  • MD5 SHA1 SHA512

                  49b41bc0-5a29-47e1-aed7-765941c09d30.tmp

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{5F84CB5D-C9B8-4277-B467-9AF475CC004E}\wv2\EBWebView\Default\Network\49b41bc0-5a29-47e1-aed7-765941c09d30.tmp
                  • Size 2B
                  • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                  • MD5 SHA1 SHA512

                  CURRENT

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{5F84CB5D-C9B8-4277-B467-9AF475CC004E}\wv2\EBWebView\Default\Sync Data\LevelDB\CURRENT
                  • Size 16B
                  • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
                  • MD5 SHA1 SHA512

                  data_0

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{5F84CB5D-C9B8-4277-B467-9AF475CC004E}\wv2\EBWebView\GrShaderCache\data_0
                  • Size 8KB
                  • SHA256 d6a5fe39cd672781b256e0e3102f7022635f1d4bb7cfcc90a80fffe4d0f3877e
                  • MD5 SHA1 SHA512 SSDEEP

                  data_1

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{5F84CB5D-C9B8-4277-B467-9AF475CC004E}\wv2\EBWebView\GrShaderCache\data_1
                  • Size 264KB
                  • SHA256 902f30c1fb0597d0734bc34b979ec5d131f8f39a4b71b338083821216ec8d61b
                  • MD5 SHA1 SHA512 SSDEEP

                  data_2

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{5F84CB5D-C9B8-4277-B467-9AF475CC004E}\wv2\EBWebView\GrShaderCache\data_2
                  • Size 8KB
                  • SHA256 ec1702806f4cc7c42a82fc2b38e89835fde7c64bb32060e0823c9077ca92efb7
                  • MD5 SHA1 SHA512 SSDEEP

                  data_3

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{5F84CB5D-C9B8-4277-B467-9AF475CC004E}\wv2\EBWebView\GrShaderCache\data_3
                  • Size 8KB
                  • SHA256 e09f42c398d688dce168570291f1f92d079987deda3099a34adb9e8c0522b30c
                  • MD5 SHA1 SHA512 SSDEEP

                  Local State

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{5F84CB5D-C9B8-4277-B467-9AF475CC004E}\wv2\EBWebView\Local State
                  • Size 1KB
                  • SHA256 e753a139f1b8e3fc3ee507c6dbbefd634cdafbbd7c83fce2ceec8f4e571845c7
                  • MD5 SHA1 SHA512 TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{5F84CB5D-C9B8-4277-B467-9AF475CC004E}\wv2\EBWebView\Local State
                  • Size 2KB
                  • SHA256 1071ffa082de37c350e2d891657616a863a960aae4c5cfa784be95bb21dd8164
                  • MD5 SHA1 SHA512 TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{5F84CB5D-C9B8-4277-B467-9AF475CC004E}\wv2\EBWebView\Local State
                  • Size 3KB
                  • SHA256 663a0d011ac97affc4c44f4b3b851ffea4019469a1347c7e98fb494c427bf97f
                  • MD5 SHA1 SHA512 TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{5F84CB5D-C9B8-4277-B467-9AF475CC004E}\wv2\EBWebView\Local State
                  • Size 16KB
                  • SHA256 041c408390b519b75bff8d68d1a84147a816f9b8482a8f768a100933b396b504
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  Local State~RFe57fe94.TMP

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{5F84CB5D-C9B8-4277-B467-9AF475CC004E}\wv2\EBWebView\Local State~RFe57fe94.TMP
                  • Size 1KB
                  • SHA256 dce4f53ffb54a0e5857141da12f10d462a4dbc442f9afe76b98dc3a74c7e18a4
                  • MD5 SHA1 SHA512 TLSH

                  memory/1808-91-0x00007FFE9DFA0000-0x00007FFE9DFA1000-memory.dmp

                  memory/1808-92-0x00007FFE9D480000-0x00007FFE9D481000-memory.dmp

                  memory/3512-133-0x00007FFE9D770000-0x00007FFE9D771000-memory.dmp

                  memory/4444-29-0x00007FFE9D770000-0x00007FFE9D771000-memory.dmp