Analysis

  • max time kernel
    137s
  • max time network
    138s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250610-en
  • resource tags

    arch:x64arch:x86image:win11-20250610-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    11/05/2026, 01:28

General

  • Target
    Madium-Installer.exe
  • Size 13.0MB
  • Sample260511-bvyn2scx2r
  • 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 59 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 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:2024
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c cls
      2⤵
        PID:2572
      • 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:4580
        • C:\Windows\system32\taskkill.exe
          taskkill /F /IM Madium.exe /IM Loader.exe
          3⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:4284
      • 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:4852
        • 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=4852.4816.4247417025023504434
          3⤵
          • Drops file in Windows directory
          • Enumerates system info in registry
          • Modifies data under HKEY_USERS
          • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
          • Suspicious use of WriteProcessMemory
          PID:4572
          • 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=0x160,0x164,0x168,0x11c,0x170,0x7ffe30a8b078,0x7ffe30a8b084,0x7ffe30a8b090
            4⤵
              PID:2916
            • 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=1688,i,13405895518332045506,16439854923004250582,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=1684 /prefetch:2
              4⤵
                PID:2388
              • 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=1820,i,13405895518332045506,16439854923004250582,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=2004 /prefetch:11
                4⤵
                  PID:3664
                • 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=2264,i,13405895518332045506,16439854923004250582,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=2276 /prefetch:13
                  4⤵
                    PID:2644
                  • 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=3528,i,13405895518332045506,16439854923004250582,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=3576 /prefetch:1
                    4⤵
                      PID:3528
                    • 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=unzip.mojom.Unzipper --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=4448,i,13405895518332045506,16439854923004250582,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=4396 /prefetch:14
                      4⤵
                        PID:3068
                      • 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=unzip.mojom.Unzipper --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=4468,i,13405895518332045506,16439854923004250582,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=4600 /prefetch:14
                        4⤵
                          PID:5644

                  Network

                        MITRE ATT&CK Enterprise v16

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        crl-set

                        • Path C:\Users\Admin\AppData\Local\com.madium.app\EBWebView\CertificateRevocation\6498.2025.9.4\crl-set
                        • Size 22KB
                        • SHA256 6ddcaf50aaff98b960d067054ce2ce17872ac0719d02abbb7fe56b9eabc818f2
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        settings.dat

                        • Path C:\Users\Admin\AppData\Local\com.madium.app\EBWebView\Crashpad\settings.dat
                        • Size 280B
                        • SHA256 f0f66cc83958ba3860ef059b1c2604d11e38d8f52852cef81134cf03623a2682
                        • MD5 SHA1 SHA512 TLSH

                        settings.dat

                        • Path C:\Users\Admin\AppData\Local\com.madium.app\EBWebView\Crashpad\settings.dat
                        • Size 280B
                        • SHA256 e98e17a000101ffa2dbb69391f16f7b1cc1fe8966777fa803f9e58982319d855
                        • 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

                        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 382961a39f2c3a7d4be6c4479149d291f44be8e4fe86b585cfc5329ae8c1ae30
                        • MD5 SHA1 SHA512 TLSH

                        the-real-index~RFe5844b5.TMP

                        • Path C:\Users\Admin\AppData\Local\com.madium.app\EBWebView\Default\Code Cache\js\index-dir\the-real-index~RFe5844b5.TMP
                        • Size 48B
                        • SHA256 0d359618e38771f271db4c400ce8b8faad35f729ce1e1de8ebdbf2c7d3c1ca1f
                        • MD5 SHA1 SHA512

                        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

                        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~RFe59166c.TMP

                        • Path C:\Users\Admin\AppData\Local\com.madium.app\EBWebView\Default\Network\Network Persistent State~RFe59166c.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 7f264476b42ca453fca360ee0966f9eb8882cb1408599ba7b9c2c84f7bbaac54
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        Preferences~RFe588da5.TMP

                        • Path C:\Users\Admin\AppData\Local\com.madium.app\EBWebView\Default\Preferences~RFe588da5.TMP
                        • Size 6KB
                        • SHA256 4925115b9b640f16369d3669bfcb6ab97ae08a60b1e673becd66b77e638aa3f8
                        • 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 77e377869c679afa708a531389ef801324bf7e6da126588dd428dbc07963d3cf
                        • MD5 SHA1 SHA512 TLSH

                        Local State

                        • Path C:\Users\Admin\AppData\Local\com.madium.app\EBWebView\Local State
                        • Size 2KB
                        • SHA256 b488229fac9b31c398aa37f81bdd62ee7c8f21a56a791e387e575607adc800a7
                        • MD5 SHA1 SHA512 TLSH

                        Local State

                        • Path C:\Users\Admin\AppData\Local\com.madium.app\EBWebView\Local State
                        • Size 3KB
                        • SHA256 f0efaee4927ccb50d0807e90ff4a2db049df259cd4c78cdc1895772c68b7b05b
                        • MD5 SHA1 SHA512 TLSH

                        Local State

                        • Path C:\Users\Admin\AppData\Local\com.madium.app\EBWebView\Local State
                        • Size 16KB
                        • SHA256 5dbec1dcb24617642fec486b31a67eb58436dcbc6437b3fd799ed61e3f9e1dbc
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        Local State~RFe57ef13.TMP

                        • Path C:\Users\Admin\AppData\Local\com.madium.app\EBWebView\Local State~RFe57ef13.TMP
                        • Size 1KB
                        • SHA256 3073534998f42ccdf043549ab1efa1cdc3d9d070c1bae34f01857f8b0625d6ea
                        • 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

                        manifest.json

                        • Path C:\Windows\SystemTemp\chrome_Unpacker_BeginUnzipping4572_1805150749\manifest.json
                        • Size 113B
                        • SHA256 98821f71a1973ac61b45967ce0c121eb598ac6e95abaa23c912d2f33e4237d8c
                        • MD5 SHA1 SHA512 TLSH

                        hyph-af.hyb

                        • Path C:\Windows\SystemTemp\chrome_Unpacker_BeginUnzipping4572_3611187\hyph-af.hyb
                        • Size 70KB
                        • SHA256 5487ee44a4cd706d0086522e90c59c76cdf2ac68ce506fd3eae6054b9220c0cf
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        hyph-as.hyb

                        • Path C:\Windows\SystemTemp\chrome_Unpacker_BeginUnzipping4572_3611187\hyph-as.hyb
                        • Size 703B
                        • SHA256 c2784e33158a807135850f7125a7eaabe472b3cfc7afb82c74f02da69ea250fe
                        • MD5 SHA1 SHA512 TLSH

                        hyph-hi.hyb

                        • Path C:\Windows\SystemTemp\chrome_Unpacker_BeginUnzipping4572_3611187\hyph-hi.hyb
                        • Size 687B
                        • SHA256 f4df224d459fd111698dd5a13613c5bbf0ed11f04278d60230d028010eac0c42
                        • MD5 SHA1 SHA512 TLSH

                        hyph-nb.hyb

                        • Path C:\Windows\SystemTemp\chrome_Unpacker_BeginUnzipping4572_3611187\hyph-nb.hyb
                        • Size 141KB
                        • SHA256 c2771fbb1bfff7db5e267dc7a4505a9675c6b98cfe7a8f7ae5686d7a5a2b3dd0
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        manifest.json

                        • Path C:\Windows\SystemTemp\chrome_Unpacker_BeginUnzipping4572_3611187\manifest.json
                        • Size 82B
                        • SHA256 d571ef33b0e707571f10bb37b99a607d6f43afe33f53d15b4395b16ef3fda665
                        • MD5 SHA1 SHA512 TLSH

                        memory/2024-30-0x00007FF6BFEE0000-0x00007FF6C1416000-memory.dmp

                        memory/2024-29-0x00000291DBB80000-0x00000291DBB8C000-memory.dmp

                        memory/2024-1-0x00007FFE510F0000-0x00007FFE510F2000-memory.dmp

                        memory/2024-47-0x00000291DBB20000-0x00000291DBB29000-memory.dmp

                        memory/2024-46-0x00000291DA1D0000-0x00000291DA273000-memory.dmp

                        memory/2024-53-0x00007FF6BFF33000-0x00007FF6C071E000-memory.dmp

                        memory/2024-28-0x00000291DBB20000-0x00000291DBB29000-memory.dmp

                        memory/2024-48-0x00000291DBB80000-0x00000291DBB8C000-memory.dmp

                        memory/2024-27-0x00000291DA1D0000-0x00000291DA273000-memory.dmp

                        memory/2024-26-0x00007FF6BFF33000-0x00007FF6C071E000-memory.dmp

                        memory/2024-6-0x00007FF6BFEE0000-0x00007FF6C1416000-memory.dmp

                        memory/2024-5-0x00007FF6BFEE0000-0x00007FF6C1416000-memory.dmp

                        memory/2024-0-0x00007FF6BFF33000-0x00007FF6C071E000-memory.dmp

                        memory/2024-49-0x00007FF6BFEE0000-0x00007FF6C1416000-memory.dmp

                        memory/2388-79-0x00007FFE4FA90000-0x00007FFE4FA91000-memory.dmp

                        memory/3528-163-0x00007FFE4FA90000-0x00007FFE4FA91000-memory.dmp

                        memory/3664-277-0x000001BC25830000-0x000001BC25839000-memory.dmp

                        memory/4572-276-0x000002E782F20000-0x000002E782F29000-memory.dmp

                        memory/4852-275-0x00000195CF9D0000-0x00000195CFA73000-memory.dmp