Analysis

  • user interaction
    yes
  • max time kernel
    11s
  • 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
    20/07/2026, 18:09

General

  • Target
    https://z5-pauw.phreesia.net/z5/Phreesia.PatientAnnouncements.Unsubscribe.Web/Announcement.aspx/UnsubscribePatientEmail?serviceCode=1&patientEmailRecordId=16ff6ce4-5bc5-4396-9e3f-1edfc84b3dec&mailingLogRecordGuid=a359ce49-f85b-4a43-b292-30aa7ced6aed&communicationTrackingGuid=47b271b3-be35-432c-b086-280cfdac4834
  • Sample260720-wrhtmsax5j
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--start-maximized --disable-default-apps --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument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://z5-pauw.phreesia.net/z5/Phreesia.PatientAnnouncements.Unsubscribe.Web/Announcement.aspx/UnsubscribePatientEmail?serviceCode=1&patientEmailRecordId=16ff6ce4-5bc5-4396-9e3f-1edfc84b3dec&mailingLogRecordGuid=a359ce49-f85b-4a43-b292-30aa7ced6aed&communicationTrackingGuid=47b271b3-be35-432c-b086-280cfdac4834
    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:852
    • 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,0x240,0x234,0x260,0x7ffc3ec1c188,0x7ffc3ec1c194,0x7ffc3ec1c1a0
      2⤵
        PID:3752
      • 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=1984,i,17078950446528151377,13661593261253212888,524288 --field-trial-handle=2228,i,15292828609891273731,273988978251865190,262144 --variations-seed-version --mojo-platform-channel-handle=2332 /prefetch:3
        2⤵
        • System Time Discovery
        PID:1764
      • 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=1876,i,6832622641090360190,17913984875509606728,262144 --field-trial-handle=2228,i,15292828609891273731,273988978251865190,262144 --variations-seed-version --mojo-platform-channel-handle=2224 /prefetch:2
        2⤵
          PID:4176
        • 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=2476,i,17152388752269219044,18390192589788691279,524288 --field-trial-handle=2228,i,15292828609891273731,273988978251865190,262144 --variations-seed-version --mojo-platform-channel-handle=2464 /prefetch:8
          2⤵
            PID:1700
          • 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=3408,i,7327117708339556902,5022647450362875228,2097152 --field-trial-handle=2228,i,15292828609891273731,273988978251865190,262144 --variations-seed-version --mojo-platform-channel-handle=3464 /prefetch:1
            2⤵
              PID:2792
            • 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=3432,i,14867776649565858145,15328319955908400412,2097152 --field-trial-handle=2228,i,15292828609891273731,273988978251865190,262144 --variations-seed-version --mojo-platform-channel-handle=3468 /prefetch:1
              2⤵
                PID:3868
              • 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=4144,i,2661303038995571749,5492758351920128717,2097152 --field-trial-handle=2228,i,15292828609891273731,273988978251865190,262144 --variations-seed-version --mojo-platform-channel-handle=4200 /prefetch:1
                2⤵
                  PID:4692
                • 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=4176,i,16723046052127454538,7743407115336938809,2097152 --field-trial-handle=2228,i,15292828609891273731,273988978251865190,262144 --variations-seed-version --mojo-platform-channel-handle=4204 /prefetch:2
                  2⤵
                    PID:920
                  • 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=4928,i,6165618478262570400,1108410748839023617,524288 --field-trial-handle=2228,i,15292828609891273731,273988978251865190,262144 --variations-seed-version --mojo-platform-channel-handle=5152 /prefetch:8
                    2⤵
                      PID:688
                    • 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=3512,i,4605726505886268054,9806418417162254906,524288 --field-trial-handle=2228,i,15292828609891273731,273988978251865190,262144 --variations-seed-version --mojo-platform-channel-handle=5180 /prefetch:8
                      2⤵
                        PID:3256
                      • 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=5876,i,5629858767345591207,7377836109682321724,524288 --field-trial-handle=2228,i,15292828609891273731,273988978251865190,262144 --variations-seed-version --mojo-platform-channel-handle=5888 /prefetch:8
                        2⤵
                          PID:3332
                        • 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=5876,i,5629858767345591207,7377836109682321724,524288 --field-trial-handle=2228,i,15292828609891273731,273988978251865190,262144 --variations-seed-version --mojo-platform-channel-handle=5888 /prefetch:8
                          2⤵
                            PID:1972
                        • 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:4240

                          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 7d64d2777f444a09968d6c155732e22d743fcf7c319c222bc06f6bb97808e489
                                • MD5 SHA1 SHA512 TLSH

                                settings.dat

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                • Size 280B
                                • SHA256 92b83a0e542b7bb3ed324c35b5f2a40c47a6351981065b804e4d9d80ddd6d7ee
                                • MD5 SHA1 SHA512 TLSH

                                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 111B
                                • SHA256 5dfc321417fc31359f23320ea68014ebfd793c5bbed55f77dab4180bbd4a2026
                                • 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 12KB
                                • SHA256 9ea251b80a7864b0b8769651f0b1d253610fc79cbdca10d5137edf6df75aa486
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                Secure Preferences

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Secure Preferences
                                • Size 30KB
                                • SHA256 2f870f36f19cb8f6fb4e0f5706648eb2babe2635e30f406e88eb8916e8037cdd
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                Local State

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                • Size 8KB
                                • SHA256 380d9d41bbd53c9f6467ef4b2341f47518c4d8b1e72ce95d2fc0073f90a80678
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                Local State

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                • Size 15KB
                                • SHA256 24e4e91ae488aa3eff5439bb191abfeed5d8892885d54e86e372f559f32a02f4
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                Local State

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                • Size 9KB
                                • SHA256 b9955c5a0bbb909df33ed8af81eca87ca535383fcfcd5b9ef20bcef8c0236d07
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                5a2a7058cf8d1e56c20e6b19a7c48eb2386d141b.tbres

                                • Path C:\Users\Admin\AppData\Local\Microsoft\TokenBroker\Cache\5a2a7058cf8d1e56c20e6b19a7c48eb2386d141b.tbres
                                • Size 2KB
                                • SHA256 86c0eee465433e9770b92fb17e7427e6d75400c440e4cf1bbb981f8b39c6651e
                                • MD5 SHA1 SHA512 TLSH