Analysis

  • user interaction
    yes
  • max time kernel
    149s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    23/06/2026, 16:49

General

  • Target
    Madium/Madium-Installer.exe
  • Size 843KB
  • Sample260623-vbwvwset2q
  • SHA256 5d48d810f20c0de47ccfc2e4abd74777f7540620b9b5e5c3057b45ab238ed23f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Downloads MZ/PE file 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • 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: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Madium\Madium-Installer.exe
    "C:\Users\Admin\AppData\Local\Temp\Madium\Madium-Installer.exe"
    1⤵
    • Downloads MZ/PE file
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5856
    • C:\Users\Admin\AppData\Roaming\Madium\Bin\Madium.exe
      "C:\Users\Admin\AppData\Roaming\Madium\Bin\Madium.exe"
      2⤵
      • Executes dropped EXE
      • Checks whether UAC is enabled
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2332
      • 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.exe --webview-exe-version=0.1.0 --user-data-dir="C:\Users\Admin\AppData\Local\com.madium.app\EBWebView" --noerrdialogs --embedded-browser-webview-dpi-awareness=2 --autoplay-policy=no-user-gesture-required --disable-features=msWebOOUI,msPdfOOUI,msSmartScreenProtection --lang=en-US --mojo-named-platform-channel-pipe=2332.3740.1478393652195061107
        3⤵
        • Enumerates system info in registry
        • Modifies data under HKEY_USERS
        • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
        • Suspicious use of WriteProcessMemory
        PID:2848
        • 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\com.madium.app\EBWebView /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\com.madium.app\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,0x7fff6d01b078,0x7fff6d01b084,0x7fff6d01b090
          4⤵
            PID:3344
          • 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\com.madium.app\EBWebView" --webview-exe-name=Madium.exe --webview-exe-version=0.1.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --gpu-preferences=UAAAAAAAAADgAAAEAAAAAAAAAAAAAAAAAABgAAEAAAAAAAAAAAAAAAAAAAACAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAEAAAAAAAAAAIAAAAAAAAAAgAAAAAAAAA --always-read-main-dll --field-trial-handle=1740,i,7191795980182715615,6309817951189892106,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=1736 /prefetch:2
            4⤵
              PID:4488
            • 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\com.madium.app\EBWebView" --webview-exe-name=Madium.exe --webview-exe-version=0.1.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --always-read-main-dll --field-trial-handle=2052,i,7191795980182715615,6309817951189892106,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=2064 /prefetch:3
              4⤵
                PID:6036
              • 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\com.madium.app\EBWebView" --webview-exe-name=Madium.exe --webview-exe-version=0.1.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --always-read-main-dll --field-trial-handle=2380,i,7191795980182715615,6309817951189892106,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=2384 /prefetch:8
                4⤵
                  PID:5092
                • 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\com.madium.app\EBWebView" --webview-exe-name=Madium.exe --webview-exe-version=0.1.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --autoplay-policy=no-user-gesture-required --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=3660,i,7191795980182715615,6309817951189892106,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=3676 /prefetch:1
                  4⤵
                    PID:652

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\com.madium.app\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 189bc9d6175306c1ce20c5adba1c3a9fb61d687c82a7340359fe27cc32e3f491
                  • MD5 SHA1 SHA512 TLSH

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\com.madium.app\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 9147eeae714789cd49ee1c7dfc7f8a5b04dc51d92d919d2c0aa5f424c4bc318e
                  • MD5 SHA1 SHA512

                  throttle_store.dat

                  • Path C:\Users\Admin\AppData\Local\com.madium.app\EBWebView\Crashpad\throttle_store.dat
                  • Size 20B
                  • SHA256 41c91a9c93d76295746a149dce7ebb3b9ee2cb551d84365fff108e59a61cc304
                  • MD5 SHA1 SHA512

                  the-real-index

                  • Path C:\Users\Admin\AppData\Local\com.madium.app\EBWebView\Default\Code Cache\js\index-dir\the-real-index
                  • Size 48B
                  • SHA256 e7a80343c0476d12d461476536e291a83faa75550a77d206c34057c5a296c0b7
                  • MD5 SHA1 SHA512

                  the-real-index

                  • Path C:\Users\Admin\AppData\Local\com.madium.app\EBWebView\Default\Code Cache\js\index-dir\the-real-index
                  • Size 456B
                  • SHA256 97363305f3640ede095af24cdeb5addcfcfa1d92b0194f78a705c80de95b3dd4
                  • MD5 SHA1 SHA512 TLSH

                  data_0

                  • Path C:\Users\Admin\AppData\Local\com.madium.app\EBWebView\Default\DawnWebGPUCache\data_0
                  • Size 8KB
                  • SHA256 d6a5fe39cd672781b256e0e3102f7022635f1d4bb7cfcc90a80fffe4d0f3877e
                  • MD5 SHA1 SHA512 SSDEEP

                  data_1

                  • Path C:\Users\Admin\AppData\Local\com.madium.app\EBWebView\Default\DawnWebGPUCache\data_1
                  • Size 264KB
                  • SHA256 902f30c1fb0597d0734bc34b979ec5d131f8f39a4b71b338083821216ec8d61b
                  • MD5 SHA1 SHA512 SSDEEP

                  data_2

                  • Path C:\Users\Admin\AppData\Local\com.madium.app\EBWebView\Default\DawnWebGPUCache\data_2
                  • Size 8KB
                  • SHA256 ec1702806f4cc7c42a82fc2b38e89835fde7c64bb32060e0823c9077ca92efb7
                  • MD5 SHA1 SHA512 SSDEEP

                  data_3

                  • Path C:\Users\Admin\AppData\Local\com.madium.app\EBWebView\Default\DawnWebGPUCache\data_3
                  • Size 8KB
                  • SHA256 e09f42c398d688dce168570291f1f92d079987deda3099a34adb9e8c0522b30c
                  • MD5 SHA1 SHA512 SSDEEP

                  MANIFEST-000001

                  • Path C:\Users\Admin\AppData\Local\com.madium.app\EBWebView\Default\Extension Rules\MANIFEST-000001
                  • Size 41B
                  • SHA256 f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4
                  • MD5 SHA1 SHA512

                  SCT Auditing Pending Reports

                  • Path C:\Users\Admin\AppData\Local\com.madium.app\EBWebView\Default\Network\SCT Auditing Pending Reports
                  • Size 2B
                  • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                  • MD5 SHA1 SHA512

                  CURRENT

                  • Path C:\Users\Admin\AppData\Local\com.madium.app\EBWebView\Default\Site Characteristics Database\CURRENT
                  • Size 16B
                  • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
                  • MD5 SHA1 SHA512

                  Local State

                  • Path C:\Users\Admin\AppData\Local\com.madium.app\EBWebView\Local State
                  • Size 1KB
                  • SHA256 c0b98b73c5ca44aec8961d5a75558e487debb484e8ad4447313ef1b7a5c9fb1f
                  • MD5 SHA1 SHA512 TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\com.madium.app\EBWebView\Local State
                  • Size 2KB
                  • SHA256 01f22439f4ef372d63307e6053d4b4e988b4f3f68667f755de5149164169abab
                  • MD5 SHA1 SHA512 TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\com.madium.app\EBWebView\Local State
                  • Size 3KB
                  • SHA256 8df74045847621b92f3929e7d6e463e20e022acb8b81f04facabcf23a2806f11
                  • MD5 SHA1 SHA512 TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\com.madium.app\EBWebView\Local State
                  • Size 16KB
                  • SHA256 c68035774acfbb3387538084b129c041dacec813abffa1493a3c18dbefc6d276
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  Local State~RFe58d0b9.TMP

                  • Path C:\Users\Admin\AppData\Local\com.madium.app\EBWebView\Local State~RFe58d0b9.TMP
                  • Size 1KB
                  • SHA256 38d37c9e078cb2218d978895c5260551dcc5e65379b063fd57ac7c1077ba9ba2
                  • MD5 SHA1 SHA512 TLSH

                  Madium.exe

                  • Path C:\Users\Admin\AppData\Roaming\Madium\Bin\Madium.exe
                  • Size 15.0MB
                  • SHA256 edaf6676fe03d0a552f07d7fd438f34d8fe79612c80a365cb42fba679bbea530
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  memory/652-146-0x00007FFF8DF00000-0x00007FFF8DF01000-memory.dmp

                  memory/4488-46-0x00007FFF8DF00000-0x00007FFF8DF01000-memory.dmp

                  memory/5092-99-0x00007FFF8E1B0000-0x00007FFF8E1B1000-memory.dmp

                  memory/5092-100-0x00007FFF8FDB0000-0x00007FFF8FDB1000-memory.dmp

                  memory/5856-0-0x00000000009B0000-0x0000000000A88000-memory.dmp

                  memory/5856-3-0x000000001FE80000-0x00000000203A8000-memory.dmp

                  memory/5856-228-0x000000001B650000-0x000000001B660000-memory.dmp

                  memory/5856-2-0x000000001DC30000-0x000000001DDF2000-memory.dmp

                  memory/5856-1-0x000000001B650000-0x000000001B660000-memory.dmp