Analysis

  • user interaction
    yes
  • max time kernel
    130s
  • max time network
    129s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    07/05/2026, 00:18

General

  • Target
    Madium-Installer.exe
  • Size 13.0MB
  • Sample260507-almpract2v
  • 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
  • Modifies data under HKEY_USERS 2 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 15 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:3316
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c cls
      2⤵
        PID:1044
      • 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:4712
        • C:\Windows\system32\taskkill.exe
          taskkill /F /IM Madium.exe /IM Loader.exe
          3⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:5064
      • 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:5164
        • 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=5164.5932.12162718701127280725
          3⤵
          • Drops file in Windows directory
          • Enumerates system info in registry
          • Modifies data under HKEY_USERS
          • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
          • Suspicious use of WriteProcessMemory
          PID:2132
          • 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=0x164,0x168,0x16c,0x140,0x174,0x7ffd53f4b078,0x7ffd53f4b084,0x7ffd53f4b090
            4⤵
              PID:3220
            • 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=1684,i,12094560654136832273,4799770736763037235,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=1680 /prefetch:2
              4⤵
                PID:4288
              • 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=1356,i,12094560654136832273,4799770736763037235,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=2008 /prefetch:11
                4⤵
                  PID:5908
                • 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=2284,i,12094560654136832273,4799770736763037235,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=2296 /prefetch:13
                  4⤵
                    PID:4468
                  • 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=3536,i,12094560654136832273,4799770736763037235,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=3548 /prefetch:1
                    4⤵
                      PID:2388

              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 0a4b645fc1bc500188b7680d8157a75653deeaee9daea2dbdb72f9d145c9e2a5
                    • MD5 SHA1 SHA512 TLSH

                    settings.dat

                    • Path C:\Users\Admin\AppData\Local\com.madium.app\EBWebView\Crashpad\settings.dat
                    • Size 280B
                    • SHA256 621de5b0d6a10e10759b32e158a0e3681cc97c1af1f6a11f9039aaa6eea3010f
                    • 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 a4fa6b25604d130403b09938c22e48a107c99a35bfdf3a6a7e810161c9d86389
                    • 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 216B
                    • SHA256 ab968ca22b50a519dd61b689f3bfde3369897cccafb0ac9042419c5a03d76fe6
                    • MD5 SHA1 SHA512 TLSH

                    data_1

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

                    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_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

                    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~RFe58d462.TMP

                    • Path C:\Users\Admin\AppData\Local\com.madium.app\EBWebView\Default\Network\Network Persistent State~RFe58d462.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 a8851d15c9d3b7eafadc7beac111782cdb11660928a42402a2870a7c26c0c51f
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    Preferences

                    • Path C:\Users\Admin\AppData\Local\com.madium.app\EBWebView\Default\Preferences
                    • Size 6KB
                    • SHA256 8935221d4c9cad5e9dccd1dee3379fddf832878f29956b15b7fc381ca27a3f7e
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    Preferences~RFe58a217.TMP

                    • Path C:\Users\Admin\AppData\Local\com.madium.app\EBWebView\Default\Preferences~RFe58a217.TMP
                    • Size 6KB
                    • SHA256 21ebf198b966bfe2c6a50106565455235b88e59f1ac6fc98b11446ff17ef8775
                    • 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

                    Local State

                    • Path C:\Users\Admin\AppData\Local\com.madium.app\EBWebView\Local State
                    • Size 1KB
                    • SHA256 83accfd2724ffcb6f7716202415769d52cc55ad3c461bcd10458a27aaa2d26b9
                    • MD5 SHA1 SHA512 TLSH

                    Local State

                    • Path C:\Users\Admin\AppData\Local\com.madium.app\EBWebView\Local State
                    • Size 2KB
                    • SHA256 41dd3167f6fe0a4d4d7ab86b12080f32afda33a5cb8553d084c036a73c55a0e4
                    • MD5 SHA1 SHA512 TLSH

                    Local State

                    • Path C:\Users\Admin\AppData\Local\com.madium.app\EBWebView\Local State
                    • Size 3KB
                    • SHA256 cdd5c792d27586a234d8bbbfb2e5df0ae0a609032b416c98d453c9c9ccc9f89e
                    • MD5 SHA1 SHA512 TLSH

                    Local State

                    • Path C:\Users\Admin\AppData\Local\com.madium.app\EBWebView\Local State
                    • Size 16KB
                    • SHA256 a90b96164f2c863075288e72f653b75155fed5641d4aae4237d88f4ca6748c94
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    Local State

                    • Path C:\Users\Admin\AppData\Local\com.madium.app\EBWebView\Local State
                    • Size 16KB
                    • SHA256 bd0765dfdd64f9c8e21b961d70c82cc33d65bca3d2104da438049710be083878
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    Local State~RFe5803d3.TMP

                    • Path C:\Users\Admin\AppData\Local\com.madium.app\EBWebView\Local State~RFe5803d3.TMP
                    • Size 1KB
                    • SHA256 803e028d0db657a62d9a5fa34e8b1b78cbf71211e88f2cf0672ff9fc98980d56
                    • 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/2132-298-0x000001A211CA0000-0x000001A211D8A000-memory.dmp

                    memory/2132-451-0x000001A211CA0000-0x000001A211D8A000-memory.dmp

                    memory/2132-263-0x000001A211CA0000-0x000001A211D8A000-memory.dmp

                    memory/2388-175-0x00007FFD72120000-0x00007FFD72121000-memory.dmp

                    memory/3316-1-0x00007FFD73550000-0x00007FFD73552000-memory.dmp

                    memory/3316-0-0x00007FF76BC03000-0x00007FF76C3EE000-memory.dmp

                    memory/3316-5-0x00007FF76BBB0000-0x00007FF76D0E6000-memory.dmp

                    memory/3316-44-0x00007FF76BBB0000-0x00007FF76D0E6000-memory.dmp

                    memory/3316-6-0x00007FF76BBB0000-0x00007FF76D0E6000-memory.dmp

                    memory/3316-45-0x00007FF76BC03000-0x00007FF76C3EE000-memory.dmp

                    memory/3316-38-0x000001CAEFBB0000-0x000001CAEFC9A000-memory.dmp

                    memory/4288-268-0x000002A182550000-0x000002A18263A000-memory.dmp

                    memory/4288-66-0x00007FFD72120000-0x00007FFD72121000-memory.dmp

                    memory/5164-319-0x0000023F309D0000-0x0000023F30ABA000-memory.dmp

                    memory/5164-262-0x0000023F309D0000-0x0000023F30ABA000-memory.dmp