Analysis

  • max time kernel
    40s
  • max time network
    40s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    24/10/2026, 16:50

General

  • Target
    extensions/ublock/background.html
  • Size 269B
  • Sample261024-vcadaaa12x
  • SHA256 664e305400a632d3df64ed9ef8e4b6d2a4c60219352dcadd85e8e9c31dbd4ac1
  • MD5 SHA1 SHA512 TLSH
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.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs
  • Suspicious use of FindShellTrayWindow 33 IoCs
  • Suspicious use of SendNotifyMessage 16 IoCs
  • Suspicious use of WriteProcessMemory 27 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--start-maximized --disable-default-apps --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument C:\Users\Admin\AppData\Local\Temp\extensions\ublock\background.html
    1⤵
    • Enumerates system info in registry
    • Modifies registry class
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3732
    • 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=0x260,0x264,0x268,0x25c,0x270,0x7fffc8a3c188,0x7fffc8a3c194,0x7fffc8a3c1a0
      2⤵
        PID:4076
      • 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=1816,i,17685766177733829383,7716748234448276739,262144 --field-trial-handle=2436,i,7472367546382806539,17911089822752272189,262144 --variations-seed-version --mojo-platform-channel-handle=2432 /prefetch:2
        2⤵
          PID:4532
        • 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=1940,i,16774747531568102144,12003023994477544000,524288 --field-trial-handle=2436,i,7472367546382806539,17911089822752272189,262144 --variations-seed-version --mojo-platform-channel-handle=3236 /prefetch:11
          2⤵
          • System Time Discovery
          PID:2780
        • 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=2592,i,17790828429860228709,4945131092947108135,524288 --field-trial-handle=2436,i,7472367546382806539,17911089822752272189,262144 --variations-seed-version --mojo-platform-channel-handle=3412 /prefetch:13
          2⤵
            PID:580
          • 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=3344,i,8173735754776329999,17788309291370064164,2097152 --field-trial-handle=2436,i,7472367546382806539,17911089822752272189,262144 --variations-seed-version --mojo-platform-channel-handle=3540 /prefetch:1
            2⤵
              PID:4360
            • 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=3364,i,1840033254424439130,9812669278349963231,2097152 --field-trial-handle=2436,i,7472367546382806539,17911089822752272189,262144 --variations-seed-version --mojo-platform-channel-handle=3256 /prefetch:1
              2⤵
                PID:416
              • 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,9371878597629851841,4529434890651393961,2097152 --field-trial-handle=2436,i,7472367546382806539,17911089822752272189,262144 --variations-seed-version --mojo-platform-channel-handle=4492 /prefetch:1
                2⤵
                  PID:4508
                • 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=4212,i,3429351062286545941,2557373428550629061,2097152 --field-trial-handle=2436,i,7472367546382806539,17911089822752272189,262144 --variations-seed-version --mojo-platform-channel-handle=4536 /prefetch:9
                  2⤵
                    PID:3116
                  • 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=5244,i,251963694718663577,17089018573670238981,524288 --field-trial-handle=2436,i,7472367546382806539,17911089822752272189,262144 --variations-seed-version --mojo-platform-channel-handle=5288 /prefetch:14
                    2⤵
                      PID:5240
                    • 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=5256,i,14661631552269113094,8384446263187861333,524288 --field-trial-handle=2436,i,7472367546382806539,17911089822752272189,262144 --variations-seed-version --mojo-platform-channel-handle=5316 /prefetch:14
                      2⤵
                        PID:556
                      • 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=5932,i,9769677720280807291,15276430484045592466,524288 --field-trial-handle=2436,i,7472367546382806539,17911089822752272189,262144 --variations-seed-version --mojo-platform-channel-handle=5952 /prefetch:14
                        2⤵
                          PID:2080
                        • 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=5932,i,9769677720280807291,15276430484045592466,524288 --field-trial-handle=2436,i,7472367546382806539,17911089822752272189,262144 --variations-seed-version --mojo-platform-channel-handle=5952 /prefetch:14
                          2⤵
                            PID:5652
                          • 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=3548,i,7998823103944520478,6368615400499743028,524288 --field-trial-handle=2436,i,7472367546382806539,17911089822752272189,262144 --variations-seed-version --mojo-platform-channel-handle=1220 /prefetch:14
                            2⤵
                              PID:1484
                            • 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=3628,i,10635454635600937379,6479798588506361125,524288 --field-trial-handle=2436,i,7472367546382806539,17911089822752272189,262144 --variations-seed-version --mojo-platform-channel-handle=4876 /prefetch:14
                              2⤵
                                PID:3700
                              • 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=4564,i,7888672750203429421,1445701387450808446,524288 --field-trial-handle=2436,i,7472367546382806539,17911089822752272189,262144 --variations-seed-version --mojo-platform-channel-handle=4600 /prefetch:14
                                2⤵
                                  PID:4588
                              • 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:3228
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --no-startup-window --win-session-start
                                  1⤵
                                    PID:3740

                                  Network

                                        MITRE ATT&CK Enterprise v16

                                        Replay Monitor

                                        Loading Replay Monitor...

                                        Downloads

                                        61dbee7a-9ced-4c10-8156-d1f12a467525.tmp

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\61dbee7a-9ced-4c10-8156-d1f12a467525.tmp
                                        • Size 38KB
                                        • SHA256 276aaacbf6e2e808b19b2b18aa4ab80ebb33bf09e6a4f9e10a1558301557425d
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        settings.dat

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                        • Size 280B
                                        • SHA256 e0217c0f2953c25b5ecacbfc82728d57c809cf5450e9203a48d2faaff8836c2b
                                        • MD5 SHA1 SHA512 TLSH

                                        settings.dat

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                        • Size 280B
                                        • SHA256 6ff73de37e74e04bc32af0dd2dd926bcd2d6c623deb8eb066c65071254002178
                                        • MD5 SHA1 SHA512 TLSH

                                        3e9c4ecd-2858-4d61-a208-754198f705f9.tmp

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\3e9c4ecd-2858-4d61-a208-754198f705f9.tmp
                                        • Size 10KB
                                        • SHA256 8938836f7aa47181dad605b964f96831cce177787417ee80f21b599580badfb9
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        temp-index

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\temp-index
                                        • Size 3KB
                                        • SHA256 649bfed96fa80b64dfc4bfee8642331107bdb496357bf4196d18699c02b13351
                                        • MD5 SHA1 SHA512 TLSH

                                        the-real-index

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index
                                        • Size 3KB
                                        • SHA256 36838c18eb073b46ed74aea93d85ac6de5b0e63f90f28c8a054c646eed839171
                                        • MD5 SHA1 SHA512 TLSH

                                        96eef8f6-41b7-48bb-b10c-c6639b6cb0c1.tmp

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\DualEngine\96eef8f6-41b7-48bb-b10c-c6639b6cb0c1.tmp
                                        • Size 2B
                                        • SHA256 44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a
                                        • MD5 SHA1 SHA512

                                        27fa52ec-360e-4cc9-96b3-2193a47a5f29.tmp

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\27fa52ec-360e-4cc9-96b3-2193a47a5f29.tmp
                                        • Size 2B
                                        • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                                        • MD5 SHA1 SHA512

                                        8df28a38-09e5-4ea0-bd83-ac952dfd2ddc.tmp

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\8df28a38-09e5-4ea0-bd83-ac952dfd2ddc.tmp
                                        • Size 40B
                                        • SHA256 6028bd681dbf11a0a58dde8a0cd884115c04caa59d080ba51bde1b086ce0079d
                                        • MD5 SHA1 SHA512

                                        CURRENT

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Sync App Settings\ghbmnnjooekpmoecnnnilnnbdlolhkhi\CURRENT
                                        • Size 16B
                                        • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
                                        • MD5 SHA1 SHA512

                                        sync_diagnostic.log

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Sync Data\Logs\sync_diagnostic.log
                                        • Size 4KB
                                        • SHA256 faa22219e956a0403794e22a9e04e2706633b690382f771da33bf825e570961f
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        MANIFEST-000001

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Sync Extension Settings\ghbmnnjooekpmoecnnnilnnbdlolhkhi\MANIFEST-000001
                                        • Size 41B
                                        • SHA256 f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4
                                        • MD5 SHA1 SHA512

                                        b7d0692f-8ceb-43c3-86e3-4dfc26a93090.tmp

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\b7d0692f-8ceb-43c3-86e3-4dfc26a93090.tmp
                                        • Size 70KB
                                        • SHA256 31a226211c491e1b0832d4cd3cf34d97165e24a7ce4ec655259cd188f3a2bd88
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        c1c5b772-d704-436d-902b-f576b0608900.tmp

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\c1c5b772-d704-436d-902b-f576b0608900.tmp
                                        • Size 23KB
                                        • SHA256 5cdebcd9c2c833e363d3fc0ee950bfe92e784b66116bc522305fbb69c26e5555
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        ecb7b3a2-60e2-42d4-bd25-a3f13d823584.tmp

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\ecb7b3a2-60e2-42d4-bd25-a3f13d823584.tmp
                                        • Size 10KB
                                        • SHA256 9ba03ba777949f8c36ac5ff822759b5638df24e55231e9a86e67e8b76acec0a0
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        f1b02638-26eb-45e1-a17e-b80992a36253.tmp

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\f1b02638-26eb-45e1-a17e-b80992a36253.tmp
                                        • Size 37KB
                                        • SHA256 6850b8d6368515ac1af3d04564430da65dd4391b6892a133a1636b1775e9f34a
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        f385e0fd-e0df-43a6-9423-cc9a2b393448.tmp

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\f385e0fd-e0df-43a6-9423-cc9a2b393448.tmp
                                        • Size 34KB
                                        • SHA256 b1d2521b9a9405bd4ce5ece2eb6a1a5bbe0282811a0868bb35cbf05cdd7d05a1
                                        • MD5 SHA1 SHA512 SSDEEP TLSH