Analysis

  • max time kernel
    148s
  • max time network
    134s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/10/2026, 17:23

General

  • Target
    attachment20261002-278819-xs86f8.html
  • Size 171B
  • Sample261002-vybs8s1emf
  • SHA256 3e10b452175f0acbfcda6bc2487e308e0c5f4913f1ca5b0ed77be7a462a066bc
  • 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: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 5 IoCs
  • Suspicious use of FindShellTrayWindow 33 IoCs
  • Suspicious use of SendNotifyMessage 16 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--start-maximized --disable-default-apps --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument C:\Users\Admin\AppData\Local\Temp\attachment20261002-278819-xs86f8.html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:5740
    • 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=0x264,0x268,0x26c,0x22c,0x2d0,0x7fff325dc188,0x7fff325dc194,0x7fff325dc1a0
      2⤵
        PID:1140
      • 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=1552,i,11599800411476977842,2134730945693703659,262144 --field-trial-handle=2284,i,9990782092164633438,2731066908632002053,262144 --variations-seed-version --mojo-platform-channel-handle=2268 /prefetch:2
        2⤵
          PID:244
        • 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=1872,i,3389231963017554262,8386384966569101170,524288 --field-trial-handle=2284,i,9990782092164633438,2731066908632002053,262144 --variations-seed-version --mojo-platform-channel-handle=2944 /prefetch:11
          2⤵
          • System Time Discovery
          PID:3400
        • 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=2288,i,5664359513997286446,16223949270293731549,524288 --field-trial-handle=2284,i,9990782092164633438,2731066908632002053,262144 --variations-seed-version --mojo-platform-channel-handle=3100 /prefetch:13
          2⤵
            PID:2312
          • 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=3644,i,9221462666997777897,10264352088635693816,2097152 --field-trial-handle=2284,i,9990782092164633438,2731066908632002053,262144 --variations-seed-version --mojo-platform-channel-handle=3704 /prefetch:1
            2⤵
              PID:5320
            • 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=3712,i,7105468612146409199,5705408338716557943,2097152 --field-trial-handle=2284,i,9990782092164633438,2731066908632002053,262144 --variations-seed-version --mojo-platform-channel-handle=3764 /prefetch:1
              2⤵
                PID:2988
              • 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=4288,i,17206855109930319096,14449337092339505694,2097152 --field-trial-handle=2284,i,9990782092164633438,2731066908632002053,262144 --variations-seed-version --mojo-platform-channel-handle=4956 /prefetch:1
                2⤵
                  PID:2588
                • 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=4312,i,5554156965719267998,10932217611495356685,2097152 --field-trial-handle=2284,i,9990782092164633438,2731066908632002053,262144 --variations-seed-version --mojo-platform-channel-handle=4960 /prefetch:9
                  2⤵
                    PID:3548
                  • 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=5488,i,8607120622301720091,16112853016720595070,524288 --field-trial-handle=2284,i,9990782092164633438,2731066908632002053,262144 --variations-seed-version --mojo-platform-channel-handle=5496 /prefetch:14
                    2⤵
                      PID:4668
                    • 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=5504,i,18023512036304908992,3261066587085998117,524288 --field-trial-handle=2284,i,9990782092164633438,2731066908632002053,262144 --variations-seed-version --mojo-platform-channel-handle=5528 /prefetch:14
                      2⤵
                        PID:1060
                      • 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=5308,i,7771262347696977009,1823051975761162723,524288 --field-trial-handle=2284,i,9990782092164633438,2731066908632002053,262144 --variations-seed-version --mojo-platform-channel-handle=6148 /prefetch:14
                        2⤵
                          PID:700
                        • 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=5308,i,7771262347696977009,1823051975761162723,524288 --field-trial-handle=2284,i,9990782092164633438,2731066908632002053,262144 --variations-seed-version --mojo-platform-channel-handle=6148 /prefetch:14
                          2⤵
                            PID:2652
                          • 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=5056,i,8502230401015072390,17095787808264030804,524288 --field-trial-handle=2284,i,9990782092164633438,2731066908632002053,262144 --variations-seed-version --mojo-platform-channel-handle=6136 /prefetch:14
                            2⤵
                              PID:4796
                            • 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=5284,i,15318511618535622885,10873551862901347954,524288 --field-trial-handle=2284,i,9990782092164633438,2731066908632002053,262144 --variations-seed-version --mojo-platform-channel-handle=5216 /prefetch:14
                              2⤵
                                PID:4784
                              • 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=4312,i,3787765563751104149,10830329468423909240,524288 --field-trial-handle=2284,i,9990782092164633438,2731066908632002053,262144 --variations-seed-version --mojo-platform-channel-handle=6188 /prefetch:14
                                2⤵
                                  PID:5448
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=edge_search_indexer.mojom.SearchIndexerInterfaceBroker --lang=en-US --service-sandbox-type=search_indexer --message-loop-type-ui --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=5696,i,8916389177231241269,6123893436541222276,524288 --field-trial-handle=2284,i,9990782092164633438,2731066908632002053,262144 --variations-seed-version --mojo-platform-channel-handle=5748 /prefetch:14
                                  2⤵
                                    PID:4160
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=5140 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.26100.1301 --force-high-res-timeticks=disabled --gpu-preferences=SAAAAAAAAADoAAAIAAAAAAAAAAAAAGAAAQAAAAAAAACEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAABAAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --always-read-main-dll --metrics-shmem-handle=6096,i,17568924871450838930,3470048164324444375,262144 --field-trial-handle=2284,i,9990782092164633438,2731066908632002053,262144 --variations-seed-version --mojo-platform-channel-handle=6092 /prefetch:10
                                    2⤵
                                    • Suspicious behavior: EnumeratesProcesses
                                    PID:808
                                • 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:3540
                                  • 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:3796

                                    Network

                                          MITRE ATT&CK Enterprise v16

                                          Replay Monitor

                                          Loading Replay Monitor...

                                          Downloads

                                          15be6b8d-61b6-4581-bca7-5785fbdeb6c4.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\15be6b8d-61b6-4581-bca7-5785fbdeb6c4.tmp
                                          • Size 37KB
                                          • SHA256 cbb5678630e178daaa71e0c207303e96e8d730a24ed690fa027e0bb63273f5ec
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          2ee5cfa5-e9f7-4f80-93c2-c95249e2e7e8.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\2ee5cfa5-e9f7-4f80-93c2-c95249e2e7e8.tmp
                                          • Size 35KB
                                          • SHA256 877d7ab8782aefc3513c74ecd2caba122c2690734d97c053ce3eabba4a0a0c8a
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          850161b9-7520-425b-8079-781fb91635a1.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\850161b9-7520-425b-8079-781fb91635a1.tmp
                                          • Size 39KB
                                          • SHA256 db6a1525678c52cb8b065ad19db48a7099c51e2b6f38419a681a022d794ae97f
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          settings.dat

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                          • Size 280B
                                          • SHA256 4fc7dcf7387fe20ebfe8604da12039dc01420b7c4f9203598cac361fa8e97926
                                          • MD5 SHA1 SHA512 TLSH

                                          settings.dat

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                          • Size 280B
                                          • SHA256 2faa1b1440ef2e1a669881f74143ac7857706d1524c89e682f713c8f3d38ab23
                                          • MD5 SHA1 SHA512 TLSH

                                          0e0856b1-94c6-4e03-b337-912f567cb4c1.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\0e0856b1-94c6-4e03-b337-912f567cb4c1.tmp
                                          • Size 11KB
                                          • SHA256 92faf7c53dcea7d1ed09fe2b88a2cc09ba64b511e334a4b693ffaa8fc0c7a9a6
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          4abaddab-cbd5-4dc5-b85d-9f3f305e5303.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\4abaddab-cbd5-4dc5-b85d-9f3f305e5303.tmp
                                          • Size 11KB
                                          • SHA256 2dd159df8a3e9a3e6b490eba7c4fbf63ca66206eedd7ae32f58a47a9ef890f09
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          6acaf55f-aaea-461e-8a5b-20a2ef64340f.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\6acaf55f-aaea-461e-8a5b-20a2ef64340f.tmp
                                          • Size 23KB
                                          • SHA256 505bb683faed9ec4c5df781df4085f2dbefb1deb1c6f2fff2b1156431ee352a7
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          9f2c02cb-beb3-4a59-a8a7-96ef30c599c8.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\9f2c02cb-beb3-4a59-a8a7-96ef30c599c8.tmp
                                          • Size 11KB
                                          • SHA256 fe82db852793131cc8becf5ef7e9d75236bc06ee2ae95475b252cf27b93358df
                                          • 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 fb501c4b987a7244e0f3e641532ab558920920877478699a06a0f40423bb3daa
                                          • 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 a589ecd70b4272f7b8fdaa2421f60f83ed485bbcbef0a35ad75d30da8e270d41
                                          • MD5 SHA1 SHA512 TLSH

                                          8cc248c5-733a-4379-9a21-64ae68c044d9.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\DualEngine\8cc248c5-733a-4379-9a21-64ae68c044d9.tmp
                                          • 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

                                          4b8b0ac8-43ef-47f5-80c2-8aaebeb3ff9d.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\4b8b0ac8-43ef-47f5-80c2-8aaebeb3ff9d.tmp
                                          • Size 40B
                                          • SHA256 6028bd681dbf11a0a58dde8a0cd884115c04caa59d080ba51bde1b086ce0079d
                                          • MD5 SHA1 SHA512

                                          504fc25e-db4d-4150-bec9-48dc52ca9f8b.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\504fc25e-db4d-4150-bec9-48dc52ca9f8b.tmp
                                          • Size 2KB
                                          • SHA256 4643a71813e724278d65f18e3f72c260b6385f1f62f3d02d07aa1b740c4ec0f9
                                          • MD5 SHA1 SHA512 TLSH

                                          90308ca1-5be8-4f7e-9429-f96b728f5bd9.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\90308ca1-5be8-4f7e-9429-f96b728f5bd9.tmp
                                          • Size 2B
                                          • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                                          • 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

                                          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

                                          OperationConfig

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Edge Cloud Config\OperationConfig
                                          • Size 18KB
                                          • SHA256 d675bad1a758b07f1ed431a7812bf9fd82a0134557a9f1479faf96798a2a9d7c
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          d30e7318-b397-4a26-a238-c3f5479a0f0a.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\d30e7318-b397-4a26-a238-c3f5479a0f0a.tmp
                                          • Size 35KB
                                          • SHA256 0d7bd52da27444afe93f841e212b7eae4524d2d951a1dfbb1ed1601a51eaf948
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          09cff279-0d29-4f6f-8982-3514c1498056.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\extensions_crx_cache\09cff279-0d29-4f6f-8982-3514c1498056.tmp
                                          • Size 13B
                                          • SHA256 2771d13c637c267132afff9db67537bef95708534b79ae8d954254c4e64e4e0f
                                          • MD5 SHA1 SHA512