Analysis

  • max time kernel
    148s
  • max time network
    144s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/09/2026, 01:40

General

  • Target
    attachment20260930-1092870-yw391r.htm
  • Size 34KB
  • Sample260930-b3yzsaxemh
  • SHA256 c2d81496aa9aede610168814a238002ce7de294b0fe73040d224b8184e622e1d
  • MD5 SHA1 SHA512 SSDEEP 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--start-maximized --disable-default-apps --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument C:\Users\Admin\AppData\Local\Temp\attachment20260930-1092870-yw391r.htm
    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:400
    • 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,0x2a4,0x7ff8216ec188,0x7ff8216ec194,0x7ff8216ec1a0
      2⤵
        PID:3320
      • 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,818059643690661145,719212338398804482,262144 --field-trial-handle=1992,i,16232494119679350554,12509499142338187896,262144 --variations-seed-version --mojo-platform-channel-handle=2236 /prefetch:2
        2⤵
          PID:3524
        • 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,13346528478818020769,6744802801216881711,524288 --field-trial-handle=1992,i,16232494119679350554,12509499142338187896,262144 --variations-seed-version --mojo-platform-channel-handle=2892 /prefetch:11
          2⤵
          • System Time Discovery
          PID:3412
        • 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=2368,i,191714024789727175,6282272916355729568,524288 --field-trial-handle=1992,i,16232494119679350554,12509499142338187896,262144 --variations-seed-version --mojo-platform-channel-handle=3084 /prefetch:13
          2⤵
            PID:5128
          • 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=3656,i,16573994574401793650,9053668275499332397,2097152 --field-trial-handle=1992,i,16232494119679350554,12509499142338187896,262144 --variations-seed-version --mojo-platform-channel-handle=3744 /prefetch:1
            2⤵
              PID:5020
            • 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=3652,i,14906113929836236403,2417768863395536513,2097152 --field-trial-handle=1992,i,16232494119679350554,12509499142338187896,262144 --variations-seed-version --mojo-platform-channel-handle=3736 /prefetch:1
              2⤵
                PID:900
              • 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=4404,i,13495668945582275817,13132691379896083676,2097152 --field-trial-handle=1992,i,16232494119679350554,12509499142338187896,262144 --variations-seed-version --mojo-platform-channel-handle=4352 /prefetch:9
                2⤵
                  PID:3428
                • 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=4368,i,3952896368962283811,3234155052174648998,2097152 --field-trial-handle=1992,i,16232494119679350554,12509499142338187896,262144 --variations-seed-version --mojo-platform-channel-handle=4376 /prefetch:1
                  2⤵
                    PID:4396
                  • 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=3964,i,14293821955982807573,15405178554351677653,524288 --field-trial-handle=1992,i,16232494119679350554,12509499142338187896,262144 --variations-seed-version --mojo-platform-channel-handle=5416 /prefetch:14
                    2⤵
                      PID:5584
                    • 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=3812,i,878358060160051335,18304471290496714866,524288 --field-trial-handle=1992,i,16232494119679350554,12509499142338187896,262144 --variations-seed-version --mojo-platform-channel-handle=5436 /prefetch:14
                      2⤵
                        PID:1364
                      • 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,5228286963838725888,16580509290660181003,524288 --field-trial-handle=1992,i,16232494119679350554,12509499142338187896,262144 --variations-seed-version --mojo-platform-channel-handle=6152 /prefetch:14
                        2⤵
                          PID:1344
                        • 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,5228286963838725888,16580509290660181003,524288 --field-trial-handle=1992,i,16232494119679350554,12509499142338187896,262144 --variations-seed-version --mojo-platform-channel-handle=6152 /prefetch:14
                          2⤵
                            PID:2736
                          • 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=6656,i,3330464819232235151,9711505791730081073,524288 --field-trial-handle=1992,i,16232494119679350554,12509499142338187896,262144 --variations-seed-version --mojo-platform-channel-handle=5104 /prefetch:14
                            2⤵
                              PID:3416
                            • 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=3760,i,13839827124547958455,4563767031677601023,524288 --field-trial-handle=1992,i,16232494119679350554,12509499142338187896,262144 --variations-seed-version --mojo-platform-channel-handle=6152 /prefetch:14
                              2⤵
                                PID:2856
                              • 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=4568,i,6964457709395895566,7726573350544574975,524288 --field-trial-handle=1992,i,16232494119679350554,12509499142338187896,262144 --variations-seed-version --mojo-platform-channel-handle=6672 /prefetch:14
                                2⤵
                                  PID:680
                                • 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=5496,i,17916652181834159110,14660428898751074474,524288 --field-trial-handle=1992,i,16232494119679350554,12509499142338187896,262144 --variations-seed-version --mojo-platform-channel-handle=5640 /prefetch:14
                                  2⤵
                                    PID:4780
                                  • 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=812,i,528600262538664356,10905410583088866034,262144 --field-trial-handle=1992,i,16232494119679350554,12509499142338187896,262144 --variations-seed-version --mojo-platform-channel-handle=6696 /prefetch:10
                                    2⤵
                                    • Suspicious behavior: EnumeratesProcesses
                                    PID:5056
                                • 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:804
                                  • 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:1100

                                    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 fe09a9e94fbd795d6fab442dc426ef79e7bd47dbd80086b003cb1cd34d18db58
                                          • MD5 SHA1 SHA512 TLSH

                                          settings.dat

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                          • Size 280B
                                          • SHA256 54a604899198f01e1a2f5ec52bac53679a6d2775840ba8c81ab97c59f718adf8
                                          • 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 049a3d6ee5584acc87839df41f160a0fc3d81b5592e620b1518c3cff53d30fa5
                                          • MD5 SHA1 SHA512 TLSH

                                          the-real-index~RFe59b859.TMP

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index~RFe59b859.TMP
                                          • Size 3KB
                                          • SHA256 e473648a8131b213001b761a848b5f944f087a54767b019783b1e6ebc2438fe3
                                          • 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 2KB
                                          • SHA256 f65c63059e98c8b0cbcae213929b71699c9eb0d5951be8368e48474b3f0bf159
                                          • 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

                                          Sdch Dictionaries

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\Sdch Dictionaries
                                          • Size 40B
                                          • SHA256 6028bd681dbf11a0a58dde8a0cd884115c04caa59d080ba51bde1b086ce0079d
                                          • MD5 SHA1 SHA512

                                          Preferences

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                          • Size 10KB
                                          • SHA256 c88aa35019d978445bbed90675fea66c7690e802077156aab8d4b7db10ce585e
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          Preferences

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                          • Size 10KB
                                          • SHA256 9092b80e93b6b113e1fe573489e23f7db1110147d34e458a0745aeff215e16bf
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          Preferences

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                          • Size 10KB
                                          • SHA256 8d91b324d7c006fbd3e5d3908a8b37e05cc5b4a6ff00c89e8ca2492464de8a80
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          Secure Preferences

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Secure Preferences
                                          • Size 23KB
                                          • SHA256 9457a7d2d69544b17980a899be14ce44d2b4fd62814ec0bec7eb789f14dbe467
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          CURRENT

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Sync Extension 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

                                          859cc181-606b-4cad-8d9b-cc066cc50e70.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Edge Cloud Config\859cc181-606b-4cad-8d9b-cc066cc50e70.tmp
                                          • Size 22KB
                                          • SHA256 d988156066b7fd22de278fbc96759d2caea6552094ffeb2ddd9307806059c5e4
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          Local State

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                          • Size 34KB
                                          • SHA256 e9995fa35037027cff80558d83039512b7824e3ab81d8310bd5366e265d45df3
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          Local State

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                          • Size 34KB
                                          • SHA256 8664df8d2db5ca577431e32efbe1a85b7753a6221e13cc3a28f8532e519a340d
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          Local State

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                          • Size 36KB
                                          • SHA256 1a4210a3dc65966cd658a6d1b71906eb64b684f5c4820fcc1343623af3660ae7
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          Local State

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                          • Size 37KB
                                          • SHA256 0b9e79c3cdaddfb4125206718b04c79be1cdffcf54198a103093bcc411d96b16
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          82e406da-6b39-4b5f-8270-c9b7f7859bb1.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\extensions_crx_cache\82e406da-6b39-4b5f-8270-c9b7f7859bb1.tmp
                                          • Size 13B
                                          • SHA256 2771d13c637c267132afff9db67537bef95708534b79ae8d954254c4e64e4e0f
                                          • MD5 SHA1 SHA512