Analysis

  • max time kernel
    149s
  • max time network
    95s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    03/05/2026, 17:40

General

  • Target
    _71911866a66869d1124889296d42b9ca65b79c2ad7a6a76ea03264c8c6765efd.html
  • Size 131KB
  • Sample260503-v855tsat6j
  • SHA256 71911866a66869d1124889296d42b9ca65b79c2ad7a6a76ea03264c8c6765efd
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
4/10

Malware Config

Signatures

  • Drops file in Windows directory 1 IoCs
  • 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 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of SendNotifyMessage 16 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --start-maximized --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument C:\Users\Admin\AppData\Local\Temp\_71911866a66869d1124889296d42b9ca65b79c2ad7a6a76ea03264c8c6765efd.html
    1⤵
    • Drops file in Windows directory
    • Enumerates system info in registry
    • Modifies registry class
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:4236
    • 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=0x23c,0x240,0x244,0x238,0x264,0x7ffd5f9cc188,0x7ffd5f9cc194,0x7ffd5f9cc1a0
      2⤵
        PID:4240
      • 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=1832,i,6114234944474116994,16598123552977436487,524288 --field-trial-handle=2084,i,12074590107660441024,11437602367374417120,262144 --variations-seed-version --mojo-platform-channel-handle=2112 /prefetch:11
        2⤵
        • System Time Discovery
        PID:3372
      • 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=1528,i,6435966656255452234,8257907335798598838,262144 --field-trial-handle=2084,i,12074590107660441024,11437602367374417120,262144 --variations-seed-version --mojo-platform-channel-handle=2080 /prefetch:2
        2⤵
          PID:3024
        • 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=2388,i,1577316668380447091,5480116869939793543,524288 --field-trial-handle=2084,i,12074590107660441024,11437602367374417120,262144 --variations-seed-version --mojo-platform-channel-handle=1956 /prefetch:13
          2⤵
            PID:2928
          • 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=3460,i,10942563630222400559,18229649005195712416,2097152 --field-trial-handle=2084,i,12074590107660441024,11437602367374417120,262144 --variations-seed-version --mojo-platform-channel-handle=3488 /prefetch:1
            2⤵
              PID:2064
            • 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=3484,i,13676528906601598364,13591384083881507921,2097152 --field-trial-handle=2084,i,12074590107660441024,11437602367374417120,262144 --variations-seed-version --mojo-platform-channel-handle=3500 /prefetch:1
              2⤵
                PID:4700
              • 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=4112,i,16053640672556765974,2723884527235107012,2097152 --field-trial-handle=2084,i,12074590107660441024,11437602367374417120,262144 --variations-seed-version --mojo-platform-channel-handle=4148 /prefetch:1
                2⤵
                  PID:3908
                • 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=4132,i,1917953042368782532,3489816618798300584,2097152 --field-trial-handle=2084,i,12074590107660441024,11437602367374417120,262144 --variations-seed-version --mojo-platform-channel-handle=4164 /prefetch:9
                  2⤵
                    PID:2096
                  • 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=9 --always-read-main-dll --metrics-shmem-handle=4160,i,7503396511741884712,10995070426583657123,2097152 --field-trial-handle=2084,i,12074590107660441024,11437602367374417120,262144 --variations-seed-version --mojo-platform-channel-handle=4348 /prefetch:1
                    2⤵
                      PID:4392
                    • 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=10 --always-read-main-dll --metrics-shmem-handle=4220,i,12171516811110008840,11106413373427723666,2097152 --field-trial-handle=2084,i,12074590107660441024,11437602367374417120,262144 --variations-seed-version --mojo-platform-channel-handle=4428 /prefetch:9
                      2⤵
                        PID:728
                      • 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=5088,i,17918077917474062237,16115745540485259236,524288 --field-trial-handle=2084,i,12074590107660441024,11437602367374417120,262144 --variations-seed-version --mojo-platform-channel-handle=4244 /prefetch:14
                        2⤵
                          PID:2356
                        • 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=5052,i,13533103263283383782,10925868920111830283,524288 --field-trial-handle=2084,i,12074590107660441024,11437602367374417120,262144 --variations-seed-version --mojo-platform-channel-handle=4624 /prefetch:14
                          2⤵
                            PID:652
                        • 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:4792

                          Network

                                MITRE ATT&CK Enterprise v16

                                Replay Monitor

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                                Downloads

                                settings.dat

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                • Size 280B
                                • SHA256 acc64b5fafe18b6dd8318d3036a3f5c8aba723aef062fb3fcb70757f1fe28095
                                • MD5 SHA1 SHA512 TLSH

                                BookmarkMergedSurfaceOrdering

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

                                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 61B
                                • SHA256 e1b77550222c2451772c958e44026abe518a2c8766862f331765788ddd196377
                                • MD5 SHA1 SHA512 TLSH

                                SCT Auditing Pending Reports

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

                                Preferences

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                • Size 9KB
                                • SHA256 f76f6fef57e39f55a5f63cd07c8f83a554607f3c5100142750ed1737bdb80357
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                Secure Preferences

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Secure Preferences
                                • Size 28KB
                                • SHA256 6461d3fc0de835645421102fb254152b579aad0e5b34487b36a62e2f1d5279bf
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                Local State

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                • Size 13KB
                                • SHA256 1941843769f38bb24c4df638c5b9110d9ac2e3389af3a2e4e3223e234335c153
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                Local State

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                • Size 8KB
                                • SHA256 99e24522359f05191521facbde1d6a516846e2d26dff54d087d98487e134c345
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                Local State

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                • Size 13KB
                                • SHA256 b38213f03aa8d9e57768ac3e8db33e6d676e1fccfed37b07f3f402b827cbc844
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                Local State

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                • Size 8KB
                                • SHA256 b325edd79ce2fba3db3973a7effa6199e6c202cda36578bcaa61f972c2442971
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                data_1

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\ShaderCache\data_1
                                • Size 264KB
                                • SHA256 b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec
                                • MD5 SHA1 SHA512 SSDEEP

                                4fbee88c-6acc-470c-8c1f-c7c5f6b28809.tmp

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\extensions_crx_cache\4fbee88c-6acc-470c-8c1f-c7c5f6b28809.tmp
                                • Size 13B
                                • SHA256 2771d13c637c267132afff9db67537bef95708534b79ae8d954254c4e64e4e0f
                                • MD5 SHA1 SHA512