Analysis

  • max time kernel
    150s
  • max time network
    130s
  • 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, 07:35

General

  • Target
    attachment20261002-278819-bsai2n.html
  • Size 171B
  • Sample261002-jerjssyyhx
  • 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--start-maximized --disable-default-apps --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument C:\Users\Admin\AppData\Local\Temp\attachment20261002-278819-bsai2n.html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:1152
    • 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,0x290,0x7ffd5175c188,0x7ffd5175c194,0x7ffd5175c1a0
      2⤵
        PID:4152
      • 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=1568,i,6904173499180087820,7745146537768616388,262144 --field-trial-handle=2232,i,7732789734808858044,2930307861645855276,262144 --variations-seed-version --mojo-platform-channel-handle=2224 /prefetch:2
        2⤵
          PID:6128
        • 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=1796,i,2000134637032327406,238727749413476601,524288 --field-trial-handle=2232,i,7732789734808858044,2930307861645855276,262144 --variations-seed-version --mojo-platform-channel-handle=2924 /prefetch:11
          2⤵
          • System Time Discovery
          PID:3756
        • 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=2200,i,17115257677344630121,6149543006151983195,524288 --field-trial-handle=2232,i,7732789734808858044,2930307861645855276,262144 --variations-seed-version --mojo-platform-channel-handle=3132 /prefetch:13
          2⤵
            PID:2540
          • 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=3620,i,5847272874364276371,3222112793388770018,2097152 --field-trial-handle=2232,i,7732789734808858044,2930307861645855276,262144 --variations-seed-version --mojo-platform-channel-handle=3664 /prefetch:1
            2⤵
              PID:2616
            • 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=3624,i,12500979962452941564,12000922648800058469,2097152 --field-trial-handle=2232,i,7732789734808858044,2930307861645855276,262144 --variations-seed-version --mojo-platform-channel-handle=3672 /prefetch:1
              2⤵
                PID:428
              • 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=4312,i,12592399176084542848,3428907408437396525,2097152 --field-trial-handle=2232,i,7732789734808858044,2930307861645855276,262144 --variations-seed-version --mojo-platform-channel-handle=4524 /prefetch:1
                2⤵
                  PID:4460
                • 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=4328,i,5881082522572843336,7952438303203390229,2097152 --field-trial-handle=2232,i,7732789734808858044,2930307861645855276,262144 --variations-seed-version --mojo-platform-channel-handle=4528 /prefetch:9
                  2⤵
                    PID:4792
                  • 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=3816,i,1392580328712487068,5152619124954321316,524288 --field-trial-handle=2232,i,7732789734808858044,2930307861645855276,262144 --variations-seed-version --mojo-platform-channel-handle=3768 /prefetch:14
                    2⤵
                      PID:3748
                    • 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=3804,i,6481114025792590949,15178755017618637987,524288 --field-trial-handle=2232,i,7732789734808858044,2930307861645855276,262144 --variations-seed-version --mojo-platform-channel-handle=5400 /prefetch:14
                      2⤵
                        PID:4472
                      • 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=6132,i,9801375387205521262,8932480974922778994,524288 --field-trial-handle=2232,i,7732789734808858044,2930307861645855276,262144 --variations-seed-version --mojo-platform-channel-handle=6104 /prefetch:14
                        2⤵
                          PID:6120
                        • 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=6132,i,9801375387205521262,8932480974922778994,524288 --field-trial-handle=2232,i,7732789734808858044,2930307861645855276,262144 --variations-seed-version --mojo-platform-channel-handle=6104 /prefetch:14
                          2⤵
                            PID:4732
                          • 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=4560,i,11840441681357801003,9556742255647215765,524288 --field-trial-handle=2232,i,7732789734808858044,2930307861645855276,262144 --variations-seed-version --mojo-platform-channel-handle=4836 /prefetch:14
                            2⤵
                              PID:1968
                            • 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=4692,i,7627563467922157401,15718303961750871194,524288 --field-trial-handle=2232,i,7732789734808858044,2930307861645855276,262144 --variations-seed-version --mojo-platform-channel-handle=5096 /prefetch:14
                              2⤵
                                PID:5184
                              • 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=5156,i,18038083129235448865,2709999830902181004,524288 --field-trial-handle=2232,i,7732789734808858044,2930307861645855276,262144 --variations-seed-version --mojo-platform-channel-handle=4528 /prefetch:14
                                2⤵
                                  PID:3460
                                • 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=6580,i,15296744438382609852,6960894595640635236,524288 --field-trial-handle=2232,i,7732789734808858044,2930307861645855276,262144 --variations-seed-version --mojo-platform-channel-handle=6588 /prefetch:14
                                  2⤵
                                    PID:2124
                                  • 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=5612,i,1763256632494546088,6084113053545581754,262144 --field-trial-handle=2232,i,7732789734808858044,2930307861645855276,262144 --variations-seed-version --mojo-platform-channel-handle=6448 /prefetch:10
                                    2⤵
                                    • Suspicious behavior: EnumeratesProcesses
                                    PID:1512
                                • 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:3508
                                  • 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:3440

                                    Network

                                          MITRE ATT&CK Enterprise v16

                                          Replay Monitor

                                          Loading Replay Monitor...

                                          Downloads

                                          1b649994-9ed9-4d82-9de9-add8369282b7.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\1b649994-9ed9-4d82-9de9-add8369282b7.tmp
                                          • Size 34KB
                                          • SHA256 757c85242e98bacc7f2f446ea504ebd4bff3d0567b2d82a99258068f34638aa9
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          37c5d6fe-b6f0-4ca9-a212-432a3d5965f5.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\37c5d6fe-b6f0-4ca9-a212-432a3d5965f5.tmp
                                          • Size 37KB
                                          • SHA256 fcf4d9eecd9bbbe515169d24e7d4c8c3e322eb5ffcbcebebc6c304194e68f745
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          5efe90ab-31ce-4582-9f83-dcd85e1d394f.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\5efe90ab-31ce-4582-9f83-dcd85e1d394f.tmp
                                          • Size 34KB
                                          • SHA256 a2f6f3c4cefb220b1e0f9d185ec0ddda24240e7468b4e7896e8f44d754556294
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          6031455f-87fa-477f-96c2-5fa616ec872a.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\6031455f-87fa-477f-96c2-5fa616ec872a.tmp
                                          • Size 36KB
                                          • SHA256 a0ae744add8e49bcf3efcd967808a56db64e1b53979dc746957ce2e69bb28bab
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          settings.dat

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                          • Size 280B
                                          • SHA256 08b551008bdcc4de6c80e8d8ffe37c1b7477ababb9604ca97c52b81aed70fdae
                                          • MD5 SHA1 SHA512 TLSH

                                          settings.dat

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                          • Size 280B
                                          • SHA256 ec6a4f25194d7df920f023b94035789770d82b866f099f5b5c173cc54b917115
                                          • MD5 SHA1 SHA512 TLSH

                                          0685e8b3-6f27-4ba9-9f1a-7c3f2510c04f.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\0685e8b3-6f27-4ba9-9f1a-7c3f2510c04f.tmp
                                          • Size 11KB
                                          • SHA256 34322fc0806f73d0057d3707234dd3731318031fcd71d37a4b4a19ea5ba69026
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          29c28d2e-57c7-4c53-bbf6-8f20a569db2d.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\29c28d2e-57c7-4c53-bbf6-8f20a569db2d.tmp
                                          • Size 11KB
                                          • SHA256 4b9fdb8a27e9bff7281e502c61268b40e2a5a2414ecf72eb9dff2f2c9704328b
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          5e9c435a-6396-4251-84c7-3b901f75d7d4.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\5e9c435a-6396-4251-84c7-3b901f75d7d4.tmp
                                          • Size 70KB
                                          • SHA256 31a226211c491e1b0832d4cd3cf34d97165e24a7ce4ec655259cd188f3a2bd88
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          89b2233e-72d3-4284-b459-c04f6480228e.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\89b2233e-72d3-4284-b459-c04f6480228e.tmp
                                          • Size 23KB
                                          • SHA256 e91206ee5bcc763a992323c507f0e36b42465cbce9a6161698b98895b948f63a
                                          • 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 8132d32df254335ef7c226c925aa15cbc0e4f5fea346c61a21f811b94bd69d14
                                          • 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 8c62aecd9a00d5a199b18558d868994c98a77cc791347fdd47ee98bd89efb369
                                          • MD5 SHA1 SHA512 TLSH

                                          c3457dd8-1da3-4b50-b5e3-29aca2afb595.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\DualEngine\c3457dd8-1da3-4b50-b5e3-29aca2afb595.tmp
                                          • Size 2B
                                          • SHA256 44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a
                                          • MD5 SHA1 SHA512

                                          1a3cb901-8a13-4794-a384-df70ad5e8f6d.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\1a3cb901-8a13-4794-a384-df70ad5e8f6d.tmp
                                          • Size 40B
                                          • SHA256 6028bd681dbf11a0a58dde8a0cd884115c04caa59d080ba51bde1b086ce0079d
                                          • MD5 SHA1 SHA512

                                          7885aaae-e6ee-4141-9f5d-10d956b1c298.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\7885aaae-e6ee-4141-9f5d-10d956b1c298.tmp
                                          • Size 1KB
                                          • SHA256 50b12201694179e98875c9aa9d2197042732dc8813548af98b774a4c332d388e
                                          • MD5 SHA1 SHA512 TLSH

                                          d20c43f2-f97c-42b8-ba4d-8b1e3f99057f.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\d20c43f2-f97c-42b8-ba4d-8b1e3f99057f.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

                                          faece85c-8fb8-4e1b-9dcb-186f68d53c20.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\faece85c-8fb8-4e1b-9dcb-186f68d53c20.tmp
                                          • Size 11KB
                                          • SHA256 50a54afb72954a097a013dee00b2be945eaa7302cc977f08940ab302a981b34d
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          c9cc1db6-9ea1-4074-b8f2-20338c78157c.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Edge Cloud Config\c9cc1db6-9ea1-4074-b8f2-20338c78157c.tmp
                                          • Size 22KB
                                          • SHA256 d988156066b7fd22de278fbc96759d2caea6552094ffeb2ddd9307806059c5e4
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          086f26d6-50e7-4e16-85ac-c1ca6cdf1614.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\extensions_crx_cache\086f26d6-50e7-4e16-85ac-c1ca6cdf1614.tmp
                                          • Size 13B
                                          • SHA256 2771d13c637c267132afff9db67537bef95708534b79ae8d954254c4e64e4e0f
                                          • MD5 SHA1 SHA512