Analysis

  • user interaction
    yes
  • max time kernel
    119s
  • max time network
    122s
  • 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, 00:14

General

  • Target
    Madium-Bootstrapper.exe
  • Size 6.9MB
  • Sample260803-ajtqaavbph
  • 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:3908
    • 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-{6F4437C4-721A-45E5-B6CC-8C78138683B9}\wv2\EBWebView" --noerrdialogs --embedded-browser-webview-dpi-awareness=2 --mojo-named-platform-channel-pipe=3908.4300.4474533414848171456
      2⤵
      • Enumerates system info in registry
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of WriteProcessMemory
      PID:2600
      • 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-{6F4437C4-721A-45E5-B6CC-8C78138683B9}\wv2\EBWebView /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{6F4437C4-721A-45E5-B6CC-8C78138683B9}\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,0x7ff88f20b078,0x7ff88f20b084,0x7ff88f20b090
        3⤵
          PID:4260
        • 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-{6F4437C4-721A-45E5-B6CC-8C78138683B9}\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=1680,i,11280226509533707654,2240982663962961443,262144 --variations-seed-version --mojo-platform-channel-handle=1712 /prefetch:2
          3⤵
            PID:2700
          • 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-{6F4437C4-721A-45E5-B6CC-8C78138683B9}\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=2008,i,11280226509533707654,2240982663962961443,262144 --variations-seed-version --mojo-platform-channel-handle=2036 /prefetch:3
            3⤵
              PID:372
            • 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-{6F4437C4-721A-45E5-B6CC-8C78138683B9}\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,11280226509533707654,2240982663962961443,262144 --variations-seed-version --mojo-platform-channel-handle=2352 /prefetch:8
              3⤵
                PID:2692
              • 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-{6F4437C4-721A-45E5-B6CC-8C78138683B9}\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=3624,i,11280226509533707654,2240982663962961443,262144 --variations-seed-version --mojo-platform-channel-handle=3636 /prefetch:1
                3⤵
                  PID:1424

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{6F4437C4-721A-45E5-B6CC-8C78138683B9}\wv2\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 38d4c83ff0fab238bdcb815c65ac2e9c8143f03f07c2fc8112ee9b4c6aa08409
                  • MD5 SHA1 SHA512 TLSH

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{6F4437C4-721A-45E5-B6CC-8C78138683B9}\wv2\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 83339c856d1cbd793a11274f89374e696c56fbb9e43aa85d510d036e34186582
                  • MD5 SHA1 SHA512

                  throttle_store.dat

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{6F4437C4-721A-45E5-B6CC-8C78138683B9}\wv2\EBWebView\Crashpad\throttle_store.dat
                  • Size 20B
                  • SHA256 41c91a9c93d76295746a149dce7ebb3b9ee2cb551d84365fff108e59a61cc304
                  • MD5 SHA1 SHA512

                  index

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{6F4437C4-721A-45E5-B6CC-8C78138683B9}\wv2\EBWebView\Default\DawnGraphiteCache\index
                  • Size 256KB
                  • SHA256 02d03746986a59ae59b6ebca87651af70a7b23523292b71b567e83df1c9fca92
                  • MD5 SHA1 SHA512 SSDEEP

                  data_0

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{6F4437C4-721A-45E5-B6CC-8C78138683B9}\wv2\EBWebView\Default\DawnWebGPUCache\data_0
                  • Size 8KB
                  • SHA256 d6a5fe39cd672781b256e0e3102f7022635f1d4bb7cfcc90a80fffe4d0f3877e
                  • MD5 SHA1 SHA512 SSDEEP

                  data_1

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{6F4437C4-721A-45E5-B6CC-8C78138683B9}\wv2\EBWebView\Default\DawnWebGPUCache\data_1
                  • Size 264KB
                  • SHA256 902f30c1fb0597d0734bc34b979ec5d131f8f39a4b71b338083821216ec8d61b
                  • MD5 SHA1 SHA512 SSDEEP

                  data_2

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{6F4437C4-721A-45E5-B6CC-8C78138683B9}\wv2\EBWebView\Default\DawnWebGPUCache\data_2
                  • Size 8KB
                  • SHA256 ec1702806f4cc7c42a82fc2b38e89835fde7c64bb32060e0823c9077ca92efb7
                  • MD5 SHA1 SHA512 SSDEEP

                  data_3

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{6F4437C4-721A-45E5-B6CC-8C78138683B9}\wv2\EBWebView\Default\DawnWebGPUCache\data_3
                  • Size 8KB
                  • SHA256 e09f42c398d688dce168570291f1f92d079987deda3099a34adb9e8c0522b30c
                  • MD5 SHA1 SHA512 SSDEEP

                  MANIFEST-000001

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{6F4437C4-721A-45E5-B6CC-8C78138683B9}\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-{6F4437C4-721A-45E5-B6CC-8C78138683B9}\wv2\EBWebView\Default\Network\SCT Auditing Pending Reports
                  • Size 2B
                  • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                  • MD5 SHA1 SHA512

                  CURRENT

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{6F4437C4-721A-45E5-B6CC-8C78138683B9}\wv2\EBWebView\Default\Site Characteristics Database\CURRENT
                  • Size 16B
                  • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
                  • MD5 SHA1 SHA512

                  Local State

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{6F4437C4-721A-45E5-B6CC-8C78138683B9}\wv2\EBWebView\Local State
                  • Size 1KB
                  • SHA256 096e9945d9da5b631fe4682c78541f372222a1845b82ee3c6f6e8bda3a54fe90
                  • MD5 SHA1 SHA512 TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{6F4437C4-721A-45E5-B6CC-8C78138683B9}\wv2\EBWebView\Local State
                  • Size 2KB
                  • SHA256 8306e81063adcdb24166d454d1f9914271e4e79412223e80208664e74474a029
                  • MD5 SHA1 SHA512 TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{6F4437C4-721A-45E5-B6CC-8C78138683B9}\wv2\EBWebView\Local State
                  • Size 3KB
                  • SHA256 9f7f4c3059665520e773d46bcb2b85223511943835b64a7be21a41c6788ab165
                  • MD5 SHA1 SHA512 TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{6F4437C4-721A-45E5-B6CC-8C78138683B9}\wv2\EBWebView\Local State
                  • Size 4KB
                  • SHA256 0330f92eb3b528c2fbf9840d96dd78fcb21420df9d502a3dd86459f2499143b0
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  Local State~RFe58508c.TMP

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{6F4437C4-721A-45E5-B6CC-8C78138683B9}\wv2\EBWebView\Local State~RFe58508c.TMP
                  • Size 1KB
                  • SHA256 2facb8190e5519005eb581d3cabe81d0285d66cd9d3b59f90d25e8ecd25dddf0
                  • MD5 SHA1 SHA512 TLSH

                  memory/1424-129-0x00007FF8AA530000-0x00007FF8AA531000-memory.dmp

                  memory/1424-280-0x000001FB2C780000-0x000001FB2C82C000-memory.dmp

                  memory/2692-101-0x00007FF8A97B0000-0x00007FF8A97B1000-memory.dmp

                  memory/2692-102-0x00007FF8AB360000-0x00007FF8AB361000-memory.dmp

                  memory/2700-29-0x00007FF8AA530000-0x00007FF8AA531000-memory.dmp

                  memory/2700-311-0x000001EF35540000-0x000001EF355EC000-memory.dmp