Analysis

  • user interaction
    yes
  • max time kernel
    42s
  • max time network
    43s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    24/09/2026, 18:00

General

  • Target
    http://zenvia.buzz/
  • Sample260924-wlrvcssvbt
Score
3/10

Malware Config

Signatures

  • 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 3 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 5 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --start-maximized --disable-default-apps --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument http://zenvia.buzz/
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:4476
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=139.0.7258.155 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=139.0.3405.125 --initial-client-data=0x238,0x23c,0x240,0x234,0x260,0x7fffbbc6c188,0x7fffbbc6c194,0x7fffbbc6c1a0
      2⤵
        PID:1604
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-pre-read-main-dll --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=1752,i,1814861057326057366,5708687733756186096,524288 --field-trial-handle=2200,i,16207640920930934298,838571471094484125,262144 --variations-seed-version --mojo-platform-channel-handle=2228 /prefetch:3
        2⤵
        • System Time Discovery
        PID:2764
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --no-pre-read-main-dll --force-high-res-timeticks=disabled --gpu-preferences=SAAAAAAAAADgAAAIAAAAAAAAAAAAAGAAAQAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAABAAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --always-read-main-dll --metrics-shmem-handle=1624,i,15097634675867109956,5251686191076507503,262144 --field-trial-handle=2200,i,16207640920930934298,838571471094484125,262144 --variations-seed-version --mojo-platform-channel-handle=2196 /prefetch:2
        2⤵
          PID:952
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=2600,i,10897231826778594830,1606272661415252190,524288 --field-trial-handle=2200,i,16207640920930934298,838571471094484125,262144 --variations-seed-version --mojo-platform-channel-handle=2608 /prefetch:8
          2⤵
            PID:1028
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --pdf-upsell-enabled --force-high-res-timeticks=disabled --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --always-read-main-dll --metrics-shmem-handle=3424,i,299286920813320131,8671552939094659721,2097152 --field-trial-handle=2200,i,16207640920930934298,838571471094484125,262144 --variations-seed-version --mojo-platform-channel-handle=3460 /prefetch:1
            2⤵
              PID:3568
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --pdf-upsell-enabled --force-high-res-timeticks=disabled --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --always-read-main-dll --metrics-shmem-handle=3428,i,5875447860161904057,6469042369115862665,2097152 --field-trial-handle=2200,i,16207640920930934298,838571471094484125,262144 --variations-seed-version --mojo-platform-channel-handle=3516 /prefetch:1
              2⤵
                PID:4420
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --pdf-upsell-enabled --force-high-res-timeticks=disabled --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --always-read-main-dll --metrics-shmem-handle=4200,i,12677147195903236399,17945395334467316752,2097152 --field-trial-handle=2200,i,16207640920930934298,838571471094484125,262144 --variations-seed-version --mojo-platform-channel-handle=4204 /prefetch:1
                2⤵
                  PID:4828
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --extension-process --renderer-sub-type=extension --pdf-upsell-enabled --force-high-res-timeticks=disabled --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --always-read-main-dll --metrics-shmem-handle=4264,i,12442037437786921478,198829238643063225,2097152 --field-trial-handle=2200,i,16207640920930934298,838571471094484125,262144 --variations-seed-version --mojo-platform-channel-handle=4240 /prefetch:2
                  2⤵
                    PID:1316
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --pdf-upsell-enabled --force-high-res-timeticks=disabled --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --always-read-main-dll --metrics-shmem-handle=3452,i,5381041840098616667,9448834139154784798,2097152 --field-trial-handle=2200,i,16207640920930934298,838571471094484125,262144 --variations-seed-version --mojo-platform-channel-handle=5056 /prefetch:1
                    2⤵
                      PID:4068
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=5256,i,14719581016049492082,12647807535069602366,524288 --field-trial-handle=2200,i,16207640920930934298,838571471094484125,262144 --variations-seed-version --mojo-platform-channel-handle=5240 /prefetch:8
                      2⤵
                        PID:3468
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=entity_extraction_service.mojom.Extractor --lang=en-US --service-sandbox-type=entity_extraction --onnx-enabled-for-ee --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=5252,i,5720597275344770752,8792033912288399513,524288 --field-trial-handle=2200,i,16207640920930934298,838571471094484125,262144 --variations-seed-version --mojo-platform-channel-handle=3388 /prefetch:8
                        2⤵
                          PID:4692
                        • C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\identity_helper.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --lang=en-US --service-sandbox-type=none --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=5976,i,12661071843041044518,8670791866013152591,524288 --field-trial-handle=2200,i,16207640920930934298,838571471094484125,262144 --variations-seed-version --mojo-platform-channel-handle=5836 /prefetch:8
                          2⤵
                            PID:2344
                          • C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\identity_helper.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --lang=en-US --service-sandbox-type=none --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=5976,i,12661071843041044518,8670791866013152591,524288 --field-trial-handle=2200,i,16207640920930934298,838571471094484125,262144 --variations-seed-version --mojo-platform-channel-handle=5836 /prefetch:8
                            2⤵
                              PID:4504
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --message-loop-type-ui --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=6008,i,10742021472926811530,18402843382467367520,524288 --field-trial-handle=2200,i,16207640920930934298,838571471094484125,262144 --variations-seed-version --mojo-platform-channel-handle=5988 /prefetch:8
                              2⤵
                                PID:2488
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --message-loop-type-ui --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=5996,i,352071794998017737,11027221901026696612,524288 --field-trial-handle=2200,i,16207640920930934298,838571471094484125,262144 --variations-seed-version --mojo-platform-channel-handle=3688 /prefetch:8
                                2⤵
                                  PID:4356
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --message-loop-type-ui --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=6000,i,7229197312585419975,16646172106304792095,524288 --field-trial-handle=2200,i,16207640920930934298,838571471094484125,262144 --variations-seed-version --mojo-platform-channel-handle=3660 /prefetch:8
                                  2⤵
                                    PID:4224
                                • C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"
                                  1⤵
                                    PID:2328

                                  Network

                                        MITRE ATT&CK Enterprise v16

                                        Replay Monitor

                                        Loading Replay Monitor...

                                        Downloads

                                        settings.dat

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                        • Size 280B
                                        • SHA256 d11bd63a3c8c3641d5bd4407fbf20115daee67c3050695788e54c8df9585c700
                                        • MD5 SHA1 SHA512 TLSH

                                        BookmarkMergedSurfaceOrdering

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

                                        f_000049

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Cache\Cache_Data\f_000049
                                        • Size 482KB
                                        • SHA256 7e63a51b4100e777604e5d5a3e03aabcc69db1357135e45fb070fc3f0eea5f97
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        the-real-index

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index
                                        • Size 2KB
                                        • SHA256 9099bb881186bf9e48021f19102903c6499adccb94ab7b742a0a7c8bccba3910
                                        • MD5 SHA1 SHA512 TLSH

                                        SiteList-Enterprise.json

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\DualEngine\SiteList-Enterprise.json
                                        • Size 2B
                                        • SHA256 44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a
                                        • MD5 SHA1 SHA512

                                        Edge Profile.ico

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Edge Profile.ico
                                        • Size 70KB
                                        • SHA256 31a226211c491e1b0832d4cd3cf34d97165e24a7ce4ec655259cd188f3a2bd88
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Network Persistent State

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\Network Persistent State
                                        • Size 111B
                                        • SHA256 5dfc321417fc31359f23320ea68014ebfd793c5bbed55f77dab4180bbd4a2026
                                        • MD5 SHA1 SHA512 TLSH

                                        SCT Auditing Pending Reports

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

                                        Preferences

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                        • Size 9KB
                                        • SHA256 53f4ddaec3b87ae1470b5e26b9536fbb3b3a4d384b112059fa1f3eb1b579094d
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Preferences

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                        • Size 10KB
                                        • SHA256 de921ea5e681daf94ad625116baf511df47f59815ac633a83fc0797f5b8f7aca
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Preferences

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                        • Size 10KB
                                        • SHA256 fb29465588dc745e8a7133789952a17cdf8f9e81fb4e33950f4ca714858f5394
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Secure Preferences

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Secure Preferences
                                        • Size 27KB
                                        • SHA256 530557e0e9fe3ce4453c93e569402ad2a86267acd728c7fcabbaa8790ebdc1f3
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        sync_diagnostic.log

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Sync Data\Logs\sync_diagnostic.log
                                        • Size 4KB
                                        • SHA256 dadc8d81750f06842f492ec2ad1a8bbff87ef964b208cc4cf077ec42a0cee308
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Local State

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                        • Size 18KB
                                        • SHA256 782dffd8ea08290116f304cc748785a440b89c33d71055986969d2f21b0e3aa1
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Local State

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                        • Size 8KB
                                        • SHA256 e7304532b5f82d8342fb01c458e7452506f49a6bebdeb9e160d3cfe334129619
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Local State

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                        • Size 18KB
                                        • SHA256 5caced5a7a3eaee3e8522cca9cc1985636c1c2806b5f99c62685e2c7bc61d6e7
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Local State

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                        • Size 8KB
                                        • SHA256 0496a87ee7d43bc2355b12664ddb5ef186bfdd53eb7b6c79d0e7ccc9dde26886
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        84d627f2-ec85-4639-815d-0d08857a5686.tmp

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\extensions_crx_cache\84d627f2-ec85-4639-815d-0d08857a5686.tmp
                                        • Size 13B
                                        • SHA256 2771d13c637c267132afff9db67537bef95708534b79ae8d954254c4e64e4e0f
                                        • MD5 SHA1 SHA512

                                        5a2a7058cf8d1e56c20e6b19a7c48eb2386d141b.tbres

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\TokenBroker\Cache\5a2a7058cf8d1e56c20e6b19a7c48eb2386d141b.tbres
                                        • Size 2KB
                                        • SHA256 c480994c3cc1d536d2d8dcada273c68cd24410aadfc97c730289817a8528ecdf
                                        • MD5 SHA1 SHA512 TLSH