Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    03/08/2026, 21:08

General

  • Target
    offscreen.html
  • Size 172B
  • Sample260803-zzdfnsfg77
  • SHA256 36875fd3ad3a59c72670a37400575565b1c95a49156ab7709dea94fcb7cddee6
  • 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 data under HKEY_USERS 2 IoCs
  • Modifies registry class 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
  • Suspicious use of FindShellTrayWindow 33 IoCs
  • Suspicious use of SendNotifyMessage 16 IoCs
  • Suspicious use of WriteProcessMemory 26 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--start-maximized --disable-default-apps --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument C:\Users\Admin\AppData\Local\Temp\offscreen.html
    1⤵
    • Enumerates system info in registry
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3660
    • 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,0x240,0x244,0x238,0x24c,0x7fffe740c188,0x7fffe740c194,0x7fffe740c1a0
      2⤵
        PID:2604
      • 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=1772,i,16834823385138529133,6994435147200666944,524288 --field-trial-handle=2148,i,4676163150791788487,2436462138508455328,262144 --variations-seed-version --mojo-platform-channel-handle=2176 /prefetch:11
        2⤵
        • System Time Discovery
        PID:5972
      • 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=1628,i,3889632778086524249,13250086013291378705,262144 --field-trial-handle=2148,i,4676163150791788487,2436462138508455328,262144 --variations-seed-version --mojo-platform-channel-handle=2144 /prefetch:2
        2⤵
          PID:3284
        • 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=2428,i,17732446734229017680,6477651709297373004,524288 --field-trial-handle=2148,i,4676163150791788487,2436462138508455328,262144 --variations-seed-version --mojo-platform-channel-handle=2984 /prefetch:13
          2⤵
            PID:2384
          • 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=3480,i,644194507501997116,4568252155458058182,2097152 --field-trial-handle=2148,i,4676163150791788487,2436462138508455328,262144 --variations-seed-version --mojo-platform-channel-handle=3504 /prefetch:1
            2⤵
              PID:2656
            • 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,17050240025078562434,1995562347398638368,2097152 --field-trial-handle=2148,i,4676163150791788487,2436462138508455328,262144 --variations-seed-version --mojo-platform-channel-handle=3508 /prefetch:1
              2⤵
                PID:3968
              • 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=4960,i,14791524519177832411,13424670953723121966,524288 --field-trial-handle=2148,i,4676163150791788487,2436462138508455328,262144 --variations-seed-version --mojo-platform-channel-handle=5020 /prefetch:14
                2⤵
                  PID:3900
                • 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=4968,i,3264730921470946826,5233722412357805152,524288 --field-trial-handle=2148,i,4676163150791788487,2436462138508455328,262144 --variations-seed-version --mojo-platform-channel-handle=5024 /prefetch:14
                  2⤵
                    PID:3272
                  • 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=5796,i,6503699752709529979,16399278600339370007,524288 --field-trial-handle=2148,i,4676163150791788487,2436462138508455328,262144 --variations-seed-version --mojo-platform-channel-handle=5808 /prefetch:14
                    2⤵
                      PID:2788
                    • 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.ProfileImport --lang=en-US --service-sandbox-type=none --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=5880,i,17440202754616798245,15502464161209340765,524288 --field-trial-handle=2148,i,4676163150791788487,2436462138508455328,262144 --variations-seed-version --mojo-platform-channel-handle=5884 /prefetch:14
                      2⤵
                      • Suspicious use of WriteProcessMemory
                      PID:2652
                      • C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\cookie_exporter.exe
                        cookie_exporter.exe --cookie-json=1132
                        3⤵
                          PID:784
                      • 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=5796,i,6503699752709529979,16399278600339370007,524288 --field-trial-handle=2148,i,4676163150791788487,2436462138508455328,262144 --variations-seed-version --mojo-platform-channel-handle=5808 /prefetch:14
                        2⤵
                          PID:5492
                        • 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=6020,i,17436816195777475328,1174408188532209744,524288 --field-trial-handle=2148,i,4676163150791788487,2436462138508455328,262144 --variations-seed-version --mojo-platform-channel-handle=5952 /prefetch:14
                          2⤵
                            PID:4692
                          • 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=5576,i,14604556850720217436,16019318620138160468,524288 --field-trial-handle=2148,i,4676163150791788487,2436462138508455328,262144 --variations-seed-version --mojo-platform-channel-handle=6052 /prefetch:14
                            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=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=6012,i,3340145205907203269,13223608785569243220,524288 --field-trial-handle=2148,i,4676163150791788487,2436462138508455328,262144 --variations-seed-version --mojo-platform-channel-handle=5932 /prefetch:14
                              2⤵
                                PID:1952
                              • 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=1920,i,53696314635414888,14215066422842986986,524288 --field-trial-handle=2148,i,4676163150791788487,2436462138508455328,262144 --variations-seed-version --mojo-platform-channel-handle=2032 /prefetch:14
                                2⤵
                                  PID:540
                                • 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=10.0.22000.1 --force-high-res-timeticks=disabled --gpu-preferences=SAAAAAAAAADoAAAIAAAAAAAAAAAAAGAAAQAAAAAAAACEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAABAAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --always-read-main-dll --metrics-shmem-handle=6044,i,2998405274494962784,14766767672635297193,262144 --field-trial-handle=2148,i,4676163150791788487,2436462138508455328,262144 --variations-seed-version --mojo-platform-channel-handle=6296 /prefetch:10
                                  2⤵
                                  • Suspicious behavior: EnumeratesProcesses
                                  PID:4492
                              • 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:4560
                                • 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:32

                                  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 c17dc8315075bb661bddf6b1efa879b9a3c39af13982f986bd287f5bc861cbdf
                                        • MD5 SHA1 SHA512 TLSH

                                        settings.dat

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                        • Size 280B
                                        • SHA256 7b9dac8593d827b7b825086ba5eeec776b808b8429eb90a6b645c319ec8f1435
                                        • MD5 SHA1 SHA512 TLSH

                                        BookmarkMergedSurfaceOrdering

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

                                        BrowsingTopicsState

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\BrowsingTopicsState
                                        • Size 414B
                                        • SHA256 f01881205ce33b8427384631bf4acb44fda517b0937be0632ff409bf68ea26a0
                                        • 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

                                        Network Persistent State

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\Network Persistent State
                                        • Size 1KB
                                        • SHA256 8a6115aebaf553db2481ce86a8baacee0515f90855d956e2a5ae9161c6f0f7f1
                                        • 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 15KB
                                        • SHA256 54bc257c1b5827a8f8e3d075ccfd67e2879727365f4d8b3cf8d81fcb39000e2f
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Preferences

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                        • Size 14KB
                                        • SHA256 8e88958e996c26f8ba625bddb95e18cb37d1d5f211ac3b699dd1a0b975d47855
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Secure Preferences

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Secure Preferences
                                        • Size 31KB
                                        • SHA256 bb38d2843fac1676545fd1dbf46602eafc3617f0c3745aa49a1031db89ab22d5
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        sync_diagnostic.log

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Sync Data\Logs\sync_diagnostic.log
                                        • Size 22KB
                                        • SHA256 341aae69834e952de4ac560a183a964873b845c2d8302cbddae1384a53cce02d
                                        • 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

                                        Local State

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                        • Size 26KB
                                        • SHA256 1be9eae260c051a0c03b3dde7a60369d0d5de843a1748e585305728a4639b243
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Local State

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                        • Size 26KB
                                        • SHA256 6a0d9f4eef8ad92e928bb2fc128315d927d0193ac41d99383335cd3249bb5a2c
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Local State

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                        • Size 28KB
                                        • SHA256 93ae71edf6e713dc1b6df4b64a175b36023945d6acf7d4fb993f4f50cd24eae6
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Local State

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                        • Size 28KB
                                        • SHA256 3c21df9d479e5f00e724555d3818e7f62d10c02799f02d808abab866232ff9a5
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Local State

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                        • Size 26KB
                                        • SHA256 1da240c9dd5fb69c217fbf8ab46141744740eddcf5152c31b6eb6213ac0fd3db
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Local State

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                        • Size 26KB
                                        • SHA256 b37b728b67b03a6b988493b700b35a8c437d949115f0bda07e4b3b18a14d37d0
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Local State

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                        • Size 25KB
                                        • SHA256 a264695b8860dc2d9d65858f1c6fb1e531bcdeb396c649815ae7bedb54de27d7
                                        • MD5 SHA1 SHA512 SSDEEP TLSH