Analysis

  • user interaction
    yes
  • max time kernel
    10s
  • max time network
    12s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    06/08/2026, 10:58

General

  • Target
    https://u21599359.ct.sendgrid.net/wf/open
  • Sample260806-m233wstvbx
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.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies registry class 3 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of WriteProcessMemory 24 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--start-maximized --disable-default-apps --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://u21599359.ct.sendgrid.net/wf/open
    1⤵
    • Checks processor information in registry
    • 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:3956
    • 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=0x238,0x23c,0x240,0x234,0x2f0,0x7ff8c83bc188,0x7ff8c83bc194,0x7ff8c83bc1a0
      2⤵
        PID:3920
      • 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,2257321067506560643,16982118559746153246,524288 --field-trial-handle=2340,i,6611878805234020281,12940130845983247698,262144 --variations-seed-version --mojo-platform-channel-handle=2368 /prefetch:3
        2⤵
        • System Time Discovery
        PID:2156
      • 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=1664,i,6140969826406780413,14092469836918185289,262144 --field-trial-handle=2340,i,6611878805234020281,12940130845983247698,262144 --variations-seed-version --mojo-platform-channel-handle=2332 /prefetch:2
        2⤵
          PID:1988
        • 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=2384,i,7391659531050858246,14745811305659524695,524288 --field-trial-handle=2340,i,6611878805234020281,12940130845983247698,262144 --variations-seed-version --mojo-platform-channel-handle=2392 /prefetch:8
          2⤵
            PID:4848
          • 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=3464,i,12166214499726853783,7519101777675266210,2097152 --field-trial-handle=2340,i,6611878805234020281,12940130845983247698,262144 --variations-seed-version --mojo-platform-channel-handle=3460 /prefetch:1
            2⤵
              PID:4444
            • 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=3468,i,5744945837921304231,11962113576786424028,2097152 --field-trial-handle=2340,i,6611878805234020281,12940130845983247698,262144 --variations-seed-version --mojo-platform-channel-handle=3552 /prefetch:1
              2⤵
                PID:1080
              • 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=4256,i,16743566478286565119,15614154689020507258,2097152 --field-trial-handle=2340,i,6611878805234020281,12940130845983247698,262144 --variations-seed-version --mojo-platform-channel-handle=4268 /prefetch:1
                2⤵
                  PID:1976
                • 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,12039411009674978629,15549301353749722924,2097152 --field-trial-handle=2340,i,6611878805234020281,12940130845983247698,262144 --variations-seed-version --mojo-platform-channel-handle=4360 /prefetch:2
                  2⤵
                    PID:4776
                  • 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=5104,i,3194922935047173031,383899370322982979,524288 --field-trial-handle=2340,i,6611878805234020281,12940130845983247698,262144 --variations-seed-version --mojo-platform-channel-handle=5152 /prefetch:8
                    2⤵
                      PID:5008
                    • 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=5108,i,8962166757294355443,18394518404412365145,524288 --field-trial-handle=2340,i,6611878805234020281,12940130845983247698,262144 --variations-seed-version --mojo-platform-channel-handle=5180 /prefetch:8
                      2⤵
                        PID:1184
                      • 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=5892,i,14515874512954207556,5360775796460678743,524288 --field-trial-handle=2340,i,6611878805234020281,12940130845983247698,262144 --variations-seed-version --mojo-platform-channel-handle=5916 /prefetch:8
                        2⤵
                          PID:4412
                        • 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=5892,i,14515874512954207556,5360775796460678743,524288 --field-trial-handle=2340,i,6611878805234020281,12940130845983247698,262144 --variations-seed-version --mojo-platform-channel-handle=5916 /prefetch:8
                          2⤵
                            PID:4248
                        • 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:4080

                          Network

                                MITRE ATT&CK Enterprise v16

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                blocklist

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Ad Blocking\blocklist
                                • Size 105KB
                                • SHA256 acf2ca2fd979c7d8ae7b74bb0af4308e4abd3e42e1f32fd1a04b0ca1a2b166c8
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                settings.dat

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                • Size 280B
                                • SHA256 8c5b1a407270ca9ae8bec8f20cc56244f3bde6f042890a4cabcdf4df3d21fdad
                                • 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

                                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 12KB
                                • SHA256 5a504e6f08eeef66979c1111f646e614b6b7e2898adf46c9a70aff7aafb8ca7c
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                Secure Preferences

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Secure Preferences
                                • Size 30KB
                                • SHA256 c1bb68b384e86fb7e3290f427b24910d6f9ecde85257d0a0046161ccdb430af5
                                • 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 4KB
                                • SHA256 70304543e7e1f71359a3fff0e2ce16bd1da9216f3fd925cf3f6f5d3049d47d7f
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                Local State

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                • Size 19KB
                                • SHA256 26ffb356db8833140ecc7a2b9a0f51ab84adf98dfb64b8ad0ee567fe90c3300c
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                Local State

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                • Size 8KB
                                • SHA256 d2ef27dc1305c4b8191812d2b6ec401bf4f992637f9d56a4e6256e5eaf8e3981
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                Local State

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                • Size 8KB
                                • SHA256 0efa9ed566a3b907eeaf5bc751954153f6794ba3a209d9e0b11e021822890c99
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                5a2a7058cf8d1e56c20e6b19a7c48eb2386d141b.tbres

                                • Path C:\Users\Admin\AppData\Local\Microsoft\TokenBroker\Cache\5a2a7058cf8d1e56c20e6b19a7c48eb2386d141b.tbres
                                • Size 2KB
                                • SHA256 7538408a6ecb6a0a89c287f426e08e68315a1a1944bffef7e10c7b08742e1e85
                                • MD5 SHA1 SHA512 TLSH