Analysis

  • user interaction
    yes
  • max time kernel
    19s
  • max time network
    20s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    07/05/2026, 09:29

General

  • Target
    https://github.com/olemadbusiness-blip/madium-public/releases/download/madium/Loader.exe
  • Sample260507-lf6ffsev2p

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Downloads MZ/PE file 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Executes dropped EXE 1 IoCs
  • Themida packer 7 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • System Time Discovery 1 TTPs 1 IoCs

    Adversary may gather the system time and/or time zone settings from a local or remote system.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of FindShellTrayWindow 43 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://github.com/olemadbusiness-blip/madium-public/releases/download/madium/Loader.exe
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:4444
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=140.0.7339.81 --initial-client-data=0xf8,0xfc,0x100,0xd4,0x104,0x7ff947edc728,0x7ff947edc734,0x7ff947edc740
      2⤵
        PID:3016
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --no-pre-read-main-dll --force-high-res-timeticks=disabled --gpu-preferences=SAAAAAAAAADgAAAIAAAAAAAAAAAAAGAAAQAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAABAAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --metrics-shmem-handle=1772,i,6756019116037253713,1355727643159004574,262144 --field-trial-handle=1988,i,16376041970741513576,10973605448522436241,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=1976 /prefetch:2
        2⤵
          PID:5260
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --force-high-res-timeticks=disabled --metrics-shmem-handle=1564,i,14206019946110419848,10934064998172782042,524288 --field-trial-handle=1988,i,16376041970741513576,10973605448522436241,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=2284 /prefetch:3
          2⤵
          • Downloads MZ/PE file
          • System Time Discovery
          PID:1328
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --force-high-res-timeticks=disabled --metrics-shmem-handle=2364,i,11176675833094261701,11318673904626466788,524288 --field-trial-handle=1988,i,16376041970741513576,10973605448522436241,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=2376 /prefetch:8
          2⤵
            PID:4572
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --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=6 --metrics-shmem-handle=3164,i,17288420797136180560,14322241887975616626,2097152 --field-trial-handle=1988,i,16376041970741513576,10973605448522436241,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=3200 /prefetch:1
            2⤵
              PID:3356
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --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 --metrics-shmem-handle=3168,i,16551739535358185506,16262527819272095715,2097152 --field-trial-handle=1988,i,16376041970741513576,10973605448522436241,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=3240 /prefetch:1
              2⤵
                PID:1232
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --extension-process --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --disable-gpu-compositing --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=7 --metrics-shmem-handle=4376,i,4008213362002591029,9256458297194516085,2097152 --field-trial-handle=1988,i,16376041970741513576,10973605448522436241,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=4400 /prefetch:2
                2⤵
                  PID:4880
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --force-high-res-timeticks=disabled --metrics-shmem-handle=5484,i,11009939541925410605,17138861510190691311,524288 --field-trial-handle=1988,i,16376041970741513576,10973605448522436241,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=4768 /prefetch:8
                  2⤵
                    PID:412
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --lang=en-US --service-sandbox-type=none --force-high-res-timeticks=disabled --metrics-shmem-handle=5772,i,10198719198270323973,2851949847262887543,524288 --field-trial-handle=1988,i,16376041970741513576,10973605448522436241,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=5476 /prefetch:8
                    2⤵
                      PID:4872
                    • C:\Users\Admin\Downloads\Loader.exe
                      "C:\Users\Admin\Downloads\Loader.exe"
                      2⤵
                      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
                      • Checks BIOS information in registry
                      • Executes dropped EXE
                      • Checks whether UAC is enabled
                      • Suspicious use of NtSetInformationThreadHideFromDebugger
                      PID:5168
                  • C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
                    "C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
                    1⤵
                      PID:4668
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                      1⤵
                        PID:4940

                      Network

                            MITRE ATT&CK Enterprise v16

                            Replay Monitor

                            Loading Replay Monitor...

                            Downloads

                            BookmarkMergedSurfaceOrdering

                            • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\BookmarkMergedSurfaceOrdering
                            • Size 6B
                            • SHA256 4489f9e3e454748b3521eb214e0a5694d562cff3d9ff511cb456953c8f534c00
                            • MD5 SHA1 SHA512

                            BrowsingTopicsState

                            • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\BrowsingTopicsState
                            • Size 414B
                            • SHA256 36bee640a3e796fc3e619335c667c5d7ed57f7dde827f0a62bbaa66a8396a1fc
                            • MD5 SHA1 SHA512 TLSH

                            SCT Auditing Pending Reports

                            • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports
                            • Size 2B
                            • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                            • MD5 SHA1 SHA512

                            Preferences

                            • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                            • Size 12KB
                            • SHA256 963ce43efd406056f418ce4dd904d622c439103a7ce79912ee8ecb1cc1521582
                            • MD5 SHA1 SHA512 SSDEEP TLSH

                            Secure Preferences

                            • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Secure Preferences
                            • Size 17KB
                            • SHA256 b6664493cc7f354e0d0f13cf223dbfd0ee087fdfcfd4eb7b90ba4c92fef1899c
                            • MD5 SHA1 SHA512 SSDEEP TLSH

                            Local State

                            • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                            • Size 90KB
                            • SHA256 8e27f52ecf3d0c2cca7a8056c6ba51d94859c1cb0607d0c2726a7b570e822e94
                            • MD5 SHA1 SHA512 SSDEEP TLSH

                            Local State

                            • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                            • Size 89KB
                            • SHA256 c0ce381665fbcf338bf998ea945c3f0c922818d73ca323483e13bfc1fc3f2f34
                            • MD5 SHA1 SHA512 SSDEEP TLSH

                            Unconfirmed 381457.crdownload

                            • Path C:\Users\Admin\Downloads\Unconfirmed 381457.crdownload
                            • Size 3.4MB
                            • SHA256 a80d3492512d09ba3d16cb9ee8a04635bc5e528fdfa10029e600a207a6617513
                            • MD5 SHA1 SHA512 SSDEEP TLSH

                            memory/5168-56-0x00007FF7ECE50000-0x00007FF7ED7AA000-memory.dmp

                            memory/5168-60-0x00007FF7ECEB8000-0x00007FF7ECEBA000-memory.dmp

                            memory/5168-61-0x00007FF7ECE50000-0x00007FF7ED7AA000-memory.dmp

                            memory/5168-59-0x00007FF7ECE50000-0x00007FF7ED7AA000-memory.dmp

                            memory/5168-58-0x00007FF7ECE50000-0x00007FF7ED7AA000-memory.dmp

                            memory/5168-57-0x00007FF7ECE50000-0x00007FF7ED7AA000-memory.dmp

                            memory/5168-54-0x00007FF7ECE50000-0x00007FF7ED7AA000-memory.dmp