Analysis

  • user interaction
    yes
  • max time kernel
    30s
  • max time network
    32s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    19/08/2026, 03:58

General

  • Target
    ybyf9.html
  • Size 26KB
  • Sample260819-ejr9nsch32
  • SHA256 5fb263851fc7197c63658f9ec83208b658571ed893819575bf994c79da96a9b2
  • 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 data under HKEY_USERS 2 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 5 IoCs
  • Suspicious use of FindShellTrayWindow 33 IoCs
  • Suspicious use of SendNotifyMessage 16 IoCs
  • Suspicious use of WriteProcessMemory 27 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--start-maximized --disable-default-apps --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument C:\Users\Admin\AppData\Local\Temp\ybyf9.html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:484
    • 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,0x2c8,0x7ffc21e4c188,0x7ffc21e4c194,0x7ffc21e4c1a0
      2⤵
        PID:5780
      • 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=1624,i,11395710982219555111,17591716491188077443,262144 --field-trial-handle=2336,i,16366101282070383447,4080168940799051490,262144 --variations-seed-version --mojo-platform-channel-handle=2332 /prefetch:2
        2⤵
          PID:4864
        • 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=1744,i,13491216009363915764,407720192585788828,524288 --field-trial-handle=2336,i,16366101282070383447,4080168940799051490,262144 --variations-seed-version --mojo-platform-channel-handle=2372 /prefetch:11
          2⤵
          • System Time Discovery
          PID:4260
        • 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=2464,i,9893959548410770865,16109948294653516137,524288 --field-trial-handle=2336,i,16366101282070383447,4080168940799051490,262144 --variations-seed-version --mojo-platform-channel-handle=2152 /prefetch:13
          2⤵
            PID:3844
          • 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=3628,i,10944346311251908018,7278176363667071412,2097152 --field-trial-handle=2336,i,16366101282070383447,4080168940799051490,262144 --variations-seed-version --mojo-platform-channel-handle=3656 /prefetch:1
            2⤵
              PID:4116
            • 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=3664,i,11000248038256319180,8582074561073452571,2097152 --field-trial-handle=2336,i,16366101282070383447,4080168940799051490,262144 --variations-seed-version --mojo-platform-channel-handle=3712 /prefetch:1
              2⤵
                PID:3336
              • 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 --disable-gpu-compositing --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=5196,i,15340080577594885930,7836785843922380934,2097152 --field-trial-handle=2336,i,16366101282070383447,4080168940799051490,262144 --variations-seed-version --mojo-platform-channel-handle=5200 /prefetch:1
                2⤵
                  PID:2516
                • 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=5664,i,3407897173810757000,14602072957535754462,524288 --field-trial-handle=2336,i,16366101282070383447,4080168940799051490,262144 --variations-seed-version --mojo-platform-channel-handle=5676 /prefetch:14
                  2⤵
                    PID:4880
                  • 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=5652,i,16172142141604017354,1650722441474431760,524288 --field-trial-handle=2336,i,16366101282070383447,4080168940799051490,262144 --variations-seed-version --mojo-platform-channel-handle=5704 /prefetch:14
                    2⤵
                      PID:476
                    • 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 --disable-gpu-compositing --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=6248,i,6769090598243514249,4216069546685144034,2097152 --field-trial-handle=2336,i,16366101282070383447,4080168940799051490,262144 --variations-seed-version --mojo-platform-channel-handle=6156 /prefetch:1
                      2⤵
                        PID:3168
                      • 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 --disable-gpu-compositing --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=11 --always-read-main-dll --metrics-shmem-handle=6348,i,10809855197050955698,11488442914645239457,2097152 --field-trial-handle=2336,i,16366101282070383447,4080168940799051490,262144 --variations-seed-version --mojo-platform-channel-handle=6384 /prefetch:1
                        2⤵
                          PID:3816
                        • 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=6664,i,4235079870505084956,17068666547290366718,524288 --field-trial-handle=2336,i,16366101282070383447,4080168940799051490,262144 --variations-seed-version --mojo-platform-channel-handle=6680 /prefetch:14
                          2⤵
                            PID:800
                          • 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=6664,i,4235079870505084956,17068666547290366718,524288 --field-trial-handle=2336,i,16366101282070383447,4080168940799051490,262144 --variations-seed-version --mojo-platform-channel-handle=6680 /prefetch:14
                            2⤵
                              PID:5556
                          • 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:7024
                            • 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:1980

                              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 e9e31f5fb014f6a7439a4e224bdae6d3d8b22db7c287d9c004b0184cc18e6bf8
                                    • MD5 SHA1 SHA512 TLSH

                                    settings.dat

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                    • Size 280B
                                    • SHA256 ba1406dd0117e6bb02a18e1f0ca40a20fdf33f68d611dcf6b59a242ae289374a
                                    • 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 de7a28fed2837c947bbab79bf6807d351b45a5ebe57243c6a22c2f5d870f3f0d
                                    • 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

                                    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 14KB
                                    • SHA256 89c83803a617080e68856b78517a244db8e373dd82450948bf88f74268bc7aa2
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    Secure Preferences

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Secure Preferences
                                    • Size 27KB
                                    • SHA256 a4d4b6d728dfc7c536d3d6bcb19fad00638687f76418bbc84d9bf210e4905258
                                    • 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 23KB
                                    • SHA256 5f37c111c06d09a54697b2eb1bdf5e10f0f747247772f43542f716be47a35b47
                                    • 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 27KB
                                    • SHA256 01638c657eacc636787fedb453399cc586837b38e9bcf7445f7267a1910404eb
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    Local State

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                    • Size 24KB
                                    • SHA256 7ddae6f634babb9d4cc64d9645883867c22980d7bbe4d85c38fb0836bd9c35de
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    Local State

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                    • Size 24KB
                                    • SHA256 8bcd15e6f218679aee5c9ea7aea52b6b72ed9d34f73f029a3178e86616e35e2f
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    Local State

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                    • Size 26KB
                                    • SHA256 a086e7ccc3570f12cff34876ed5b49ad62a0a3c7a9154eac47c1916360ddc307
                                    • MD5 SHA1 SHA512 SSDEEP TLSH