Analysis

  • user interaction
    yes
  • max time kernel
    150s
  • max time network
    126s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260617-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/06/2026, 05:42

General

  • Target
    Madium-Installer.exe
  • Size 13.0MB
  • Sample260620-gegcqaev9t
  • SHA256 2ee90a1ea33cabb04324c4c81fbf5e10324555daa15a5ce1cca057c12e61b096
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • 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 3 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.

  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Kills process with taskkill 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Madium-Installer.exe
    "C:\Users\Admin\AppData\Local\Temp\Madium-Installer.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3096
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c cls
      2⤵
        PID:3012
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c taskkill /F /IM Madium.exe /IM Loader.exe >nul 2>&1
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4636
        • C:\Windows\system32\taskkill.exe
          taskkill /F /IM Madium.exe /IM Loader.exe
          3⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:2884
      • 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:1980
        • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe
          "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\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 --edge-webview-custom-scheme --autoplay-policy=no-user-gesture-required --disable-features=msWebOOUI,msPdfOOUI,msSmartScreenProtection --enable-features=MojoIpcz --lang=en-US --accept-lang=en-US --mojo-named-platform-channel-pipe=1980.3860.245008888910365804 /pfhostedapp:3f8bc9330819d2ef6b395d44327ed237f3af8c04
          3⤵
          • Drops file in Windows directory
          • Enumerates system info in registry
          • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
          • Suspicious use of WriteProcessMemory
          PID:5928
          • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe
            "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe" --type=crashpad-handler --user-data-dir=C:\Users\Admin\AppData\Local\com.madium.app\EBWebView /prefetch:4 /pfhostedapp:3f8bc9330819d2ef6b395d44327ed237f3af8c04 --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=122.0.6261.139 "--annotation=exe=C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe" --annotation=plat=Win64 "--annotation=prod=Edge WebView2" --annotation=ver=122.0.2365.106 --initial-client-data=0x184,0x188,0x18c,0x160,0x194,0x7fff36425fd8,0x7fff36425fe4,0x7fff36425ff0
            4⤵
              PID:1388
            • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe
              "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe" --type=gpu-process --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 --edge-webview-custom-scheme --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=1860 --field-trial-handle=1864,i,10501417002538989325,13719158811741055996,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:2 /pfhostedapp:3f8bc9330819d2ef6b395d44327ed237f3af8c04
              4⤵
                PID:968
              • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe
                "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --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 --edge-webview-custom-scheme --no-appcompat-clear --mojo-platform-channel-handle=2296 --field-trial-handle=1864,i,10501417002538989325,13719158811741055996,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:3 /pfhostedapp:3f8bc9330819d2ef6b395d44327ed237f3af8c04
                4⤵
                  PID:4860
                • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe
                  "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --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 --edge-webview-custom-scheme --no-appcompat-clear --mojo-platform-channel-handle=2404 --field-trial-handle=1864,i,10501417002538989325,13719158811741055996,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:8 /pfhostedapp:3f8bc9330819d2ef6b395d44327ed237f3af8c04
                  4⤵
                    PID:268
                  • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe
                    "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe" --type=renderer --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 --edge-webview-custom-scheme --no-appcompat-clear --autoplay-policy=no-user-gesture-required --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=" --mojo-platform-channel-handle=3580 --field-trial-handle=1864,i,10501417002538989325,13719158811741055996,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /pfhostedapp:3f8bc9330819d2ef6b395d44327ed237f3af8c04 /prefetch:1
                    4⤵
                      PID:1456

              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 ed0c2073f0c5c3274e0fbd5a64bf6d7cc569a58976fbc1f388fadc8bd0c21b17
                    • MD5 SHA1 SHA512

                    settings.dat

                    • Path C:\Users\Admin\AppData\Local\com.madium.app\EBWebView\Crashpad\settings.dat
                    • Size 280B
                    • SHA256 8fc51d00afe99ea7b3ec0f7da4729834a6b6ccf33e757dd8e5f87b873bec5f86
                    • MD5 SHA1 SHA512 TLSH

                    throttle_store.dat

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

                    26514163-dd72-485e-8f5c-7280a6c40637.tmp

                    • Path C:\Users\Admin\AppData\Local\com.madium.app\EBWebView\Default\26514163-dd72-485e-8f5c-7280a6c40637.tmp
                    • Size 6KB
                    • SHA256 5e6fcfb6c2d1ba7c23a25ecef65b4cbfec8df0ca22f32fd2883efe6e12465e21
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    the-real-index

                    • Path C:\Users\Admin\AppData\Local\com.madium.app\EBWebView\Default\Code Cache\js\index-dir\the-real-index
                    • Size 216B
                    • SHA256 0b0da5e7dea24bd317d08be9ba8b2c4bfa738c36f4238a2133a42a16ad238726
                    • MD5 SHA1 SHA512 TLSH

                    the-real-index~RFe5996d7.TMP

                    • Path C:\Users\Admin\AppData\Local\com.madium.app\EBWebView\Default\Code Cache\js\index-dir\the-real-index~RFe5996d7.TMP
                    • Size 48B
                    • SHA256 95d4e1f8404dced79df72b0ac93520f4f3fd2c6d6caa57e6bb4455c042be1242
                    • MD5 SHA1 SHA512

                    MANIFEST-000001

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

                    Network Persistent State

                    • Path C:\Users\Admin\AppData\Local\com.madium.app\EBWebView\Default\Network\Network Persistent State
                    • Size 111B
                    • SHA256 5dfc321417fc31359f23320ea68014ebfd793c5bbed55f77dab4180bbd4a2026
                    • MD5 SHA1 SHA512 TLSH

                    Network Persistent State~RFe5a24fe.TMP

                    • Path C:\Users\Admin\AppData\Local\com.madium.app\EBWebView\Default\Network\Network Persistent State~RFe5a24fe.TMP
                    • Size 59B
                    • SHA256 226eec4486509917aa336afebd6ff65777b75b65f1fb06891d2a857a9421a974
                    • MD5 SHA1 SHA512 TLSH

                    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

                    Preferences

                    • Path C:\Users\Admin\AppData\Local\com.madium.app\EBWebView\Default\Preferences
                    • Size 6KB
                    • SHA256 da5ba35f4d9a448b5fce1fe013152304e9a009d31fcc4be70d7f77e9ed78a809
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    CURRENT

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

                    data_0

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

                    data_1

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

                    data_2

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

                    data_3

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

                    Local State

                    • Path C:\Users\Admin\AppData\Local\com.madium.app\EBWebView\Local State
                    • Size 3KB
                    • SHA256 5f809d7c1d89cd47e795c97159c9fa55b8ba7f6d963ac99416c4aa6441f75d93
                    • MD5 SHA1 SHA512 TLSH

                    Local State

                    • Path C:\Users\Admin\AppData\Local\com.madium.app\EBWebView\Local State
                    • Size 15KB
                    • SHA256 e3f3fc3930df0b1fd0937e4fd39f1f3ef5658e04169706b7287036f00fc22168
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    Local State

                    • Path C:\Users\Admin\AppData\Local\com.madium.app\EBWebView\Local State
                    • Size 16KB
                    • SHA256 7ffc45450e5bdb6c4df4ac0255d4bbe51fa5cb7fd1292cbd892564324c8ffabc
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    Local State

                    • Path C:\Users\Admin\AppData\Local\com.madium.app\EBWebView\Local State
                    • Size 2KB
                    • SHA256 12032759ebd79a29ae37c55514e4c5baec778d1202e893b51d6c1375dc264e31
                    • MD5 SHA1 SHA512 TLSH

                    Local State~RFe5944c0.TMP

                    • Path C:\Users\Admin\AppData\Local\com.madium.app\EBWebView\Local State~RFe5944c0.TMP
                    • Size 1KB
                    • SHA256 8985785993ccb17dddc24a4e86bf01fbdebd5f0422cc1407659146541bc1948f
                    • 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/968-63-0x00007FFF57AC0000-0x00007FFF57AC1000-memory.dmp

                    memory/1456-139-0x00007FFF57AC0000-0x00007FFF57AC1000-memory.dmp

                    memory/3096-3-0x00007FF733EE0000-0x00007FF735416000-memory.dmp

                    memory/3096-35-0x00007FF733F33000-0x00007FF73471E000-memory.dmp

                    memory/3096-41-0x00007FF733EE0000-0x00007FF735416000-memory.dmp

                    memory/3096-0-0x00007FF733F33000-0x00007FF73471E000-memory.dmp

                    memory/3096-1-0x00007FFF59570000-0x00007FFF59572000-memory.dmp

                    memory/3096-6-0x00007FF733EE0000-0x00007FF735416000-memory.dmp

                    memory/3096-5-0x00007FF733EE0000-0x00007FF735416000-memory.dmp