Analysis

  • user interaction
    yes
  • max time kernel
    12s
  • max time network
    17s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    28/08/2026, 08:53

General

  • Target
    https://www.portaldasfinancas.gov.pt/
  • Sample260828-ktsk3swale
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 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--start-maximized --disable-default-apps --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://www.portaldasfinancas.gov.pt/
    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:1504
    • 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,0x240,0x234,0x2c4,0x7ffab253c188,0x7ffab253c194,0x7ffab253c1a0
      2⤵
        PID:4308
      • 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=1844,i,8602080746250862955,9070941018681021934,524288 --field-trial-handle=2284,i,15540273197150783120,1495669555588700795,262144 --variations-seed-version --mojo-platform-channel-handle=2340 /prefetch:3
        2⤵
        • System Time Discovery
        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=1728,i,16865493157839553593,15137092898436701629,262144 --field-trial-handle=2284,i,15540273197150783120,1495669555588700795,262144 --variations-seed-version --mojo-platform-channel-handle=2280 /prefetch:2
        2⤵
          PID:64
        • 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=2564,i,7979512937746167591,17094840071729533477,524288 --field-trial-handle=2284,i,15540273197150783120,1495669555588700795,262144 --variations-seed-version --mojo-platform-channel-handle=2584 /prefetch:8
          2⤵
            PID:632
          • 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=3452,i,11065467613559805408,4793672555562706054,2097152 --field-trial-handle=2284,i,15540273197150783120,1495669555588700795,262144 --variations-seed-version --mojo-platform-channel-handle=3504 /prefetch:1
            2⤵
              PID:3832
            • 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=3456,i,17133509919454997583,14642349256101926942,2097152 --field-trial-handle=2284,i,15540273197150783120,1495669555588700795,262144 --variations-seed-version --mojo-platform-channel-handle=3528 /prefetch:1
              2⤵
                PID:3976
              • 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=4280,i,16302398603310384834,15572392074804965204,2097152 --field-trial-handle=2284,i,15540273197150783120,1495669555588700795,262144 --variations-seed-version --mojo-platform-channel-handle=4312 /prefetch:1
                2⤵
                  PID:544
                • 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=4320,i,9273082611656706714,8865515480773812216,2097152 --field-trial-handle=2284,i,15540273197150783120,1495669555588700795,262144 --variations-seed-version --mojo-platform-channel-handle=4396 /prefetch:2
                  2⤵
                    PID:1980
                  • 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=5140,i,5310981703300928824,7709726886109661187,524288 --field-trial-handle=2284,i,15540273197150783120,1495669555588700795,262144 --variations-seed-version --mojo-platform-channel-handle=5184 /prefetch:8
                    2⤵
                      PID:2160
                    • 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=3684,i,4253417354290002735,9134720544890643217,524288 --field-trial-handle=2284,i,15540273197150783120,1495669555588700795,262144 --variations-seed-version --mojo-platform-channel-handle=5148 /prefetch:8
                      2⤵
                        PID:1132
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=PooledProcess2 --lang=en-US --service-sandbox-type=utility --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=5492,i,5947825827781145655,6557166241771460995,524288 --field-trial-handle=2284,i,15540273197150783120,1495669555588700795,262144 --variations-seed-version --mojo-platform-channel-handle=5488 /prefetch:8
                        2⤵
                          PID:4884
                        • 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=6068,i,8301195657312622796,4009233849431601226,524288 --field-trial-handle=2284,i,15540273197150783120,1495669555588700795,262144 --variations-seed-version --mojo-platform-channel-handle=6084 /prefetch:8
                          2⤵
                            PID:2904
                          • 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=6068,i,8301195657312622796,4009233849431601226,524288 --field-trial-handle=2284,i,15540273197150783120,1495669555588700795,262144 --variations-seed-version --mojo-platform-channel-handle=6084 /prefetch:8
                            2⤵
                              PID:4800
                          • 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:2668

                            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 2bc7f3a4024d9673a2f7a098d546fe1f592a8aa0477eb259121fe80954c2f99d
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  settings.dat

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                  • Size 280B
                                  • SHA256 3eacdfce7dc5d437b4447cf27ab297d2d39d13a22d53487691f060212cddb6b2
                                  • MD5 SHA1 SHA512 TLSH

                                  settings.dat

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                  • Size 280B
                                  • SHA256 7aa2bb81937fdcdafd5d33143cfe61093f5233469b36757de171e12cc0c6215f
                                  • 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

                                  570e52d8-71e2-49d1-9826-5e3981c7f525.tmp

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\570e52d8-71e2-49d1-9826-5e3981c7f525.tmp
                                  • Size 2B
                                  • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                                  • MD5 SHA1 SHA512

                                  Network Persistent State

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\Network Persistent State
                                  • Size 111B
                                  • SHA256 5dfc321417fc31359f23320ea68014ebfd793c5bbed55f77dab4180bbd4a2026
                                  • MD5 SHA1 SHA512 TLSH

                                  Preferences

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                  • Size 13KB
                                  • SHA256 66d034a9bcb4a14c8c94836ce4a929947d4c38ae48858decf733c6a0aac062a6
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  Secure Preferences

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Secure Preferences
                                  • Size 30KB
                                  • SHA256 1714859480388b856277bf5cec3a8a6e4ad23d7598bfa3c785feaaeec7cbf612
                                  • 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 6KB
                                  • SHA256 01e0868a53d17c69207525eddfd4cea74a887819c5adefc39c0858bf85dd51d9
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  Local State

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                  • Size 8KB
                                  • SHA256 c788520c9f1d71448733bbd2d42626f25f7db279f6030b672026b0d0df45855e
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  Local State

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                  • Size 18KB
                                  • SHA256 793bf30c18c543b33db7b743d050f4aee7c0809748dbe94aac22e092c3493bb8
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  Local State

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                  • Size 8KB
                                  • SHA256 ac77d038cb17f25697a565d1606ec8d43c93afa1502b081b6b57e713672f5cdc
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  5a2a7058cf8d1e56c20e6b19a7c48eb2386d141b.tbres

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\TokenBroker\Cache\5a2a7058cf8d1e56c20e6b19a7c48eb2386d141b.tbres
                                  • Size 2KB
                                  • SHA256 48f3ed35d6804d3578a696f1f712c574556841b5618a0cf52a76b6c8d9993c57
                                  • MD5 SHA1 SHA512 TLSH