Analysis

  • user interaction
    yes
  • max time kernel
    30s
  • max time network
    32s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    06/10/2026, 19:16

General

  • Target
    https://tracking.us.nylas.com/l/71fbfe1cd4cc41c29e5715225cd9384f/0/5e07d108596d8aa2060fd07dd31785d229b15fe712f0e6b3cbb983b3c58a6b88?cache_buster=1791218599
  • Sample261006-xy4kcsvwcs
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 registry class 1 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 5 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of SendNotifyMessage 32 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--start-maximized --disable-default-apps --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://tracking.us.nylas.com/l/71fbfe1cd4cc41c29e5715225cd9384f/0/5e07d108596d8aa2060fd07dd31785d229b15fe712f0e6b3cbb983b3c58a6b88?cache_buster=1791218599
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Modifies registry class
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1536
    • 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,0x240,0x234,0x260,0x7ffb7641c188,0x7ffb7641c194,0x7ffb7641c1a0
      2⤵
        PID:2972
      • 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=1968,i,1317926771064182528,1644961973428335127,524288 --field-trial-handle=2248,i,16333444073347213340,15057540347323482356,262144 --variations-seed-version --mojo-platform-channel-handle=2280 /prefetch:3
        2⤵
        • System Time Discovery
        PID:3792
      • 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=1672,i,809533831736156048,14934415020752656572,262144 --field-trial-handle=2248,i,16333444073347213340,15057540347323482356,262144 --variations-seed-version --mojo-platform-channel-handle=2244 /prefetch:2
        2⤵
          PID:4708
        • 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,6340785966099610069,4202611051795536426,524288 --field-trial-handle=2248,i,16333444073347213340,15057540347323482356,262144 --variations-seed-version --mojo-platform-channel-handle=2560 /prefetch:8
          2⤵
            PID:1492
          • 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,9118390050263591478,7859174113450589343,2097152 --field-trial-handle=2248,i,16333444073347213340,15057540347323482356,262144 --variations-seed-version --mojo-platform-channel-handle=3468 /prefetch:1
            2⤵
              PID:3152
            • 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=3412,i,97145851719703933,1254918670674205560,2097152 --field-trial-handle=2248,i,16333444073347213340,15057540347323482356,262144 --variations-seed-version --mojo-platform-channel-handle=3472 /prefetch:1
              2⤵
                PID:1464
              • 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=4204,i,5680994548138244446,15868895645428441132,2097152 --field-trial-handle=2248,i,16333444073347213340,15057540347323482356,262144 --variations-seed-version --mojo-platform-channel-handle=4284 /prefetch:1
                2⤵
                  PID:3140
                • 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=4232,i,3841322201992837966,17364603313659982129,2097152 --field-trial-handle=2248,i,16333444073347213340,15057540347323482356,262144 --variations-seed-version --mojo-platform-channel-handle=2580 /prefetch:2
                  2⤵
                    PID:2648
                  • 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=9 --always-read-main-dll --metrics-shmem-handle=5016,i,11697035598060047367,6641723392621897617,2097152 --field-trial-handle=2248,i,16333444073347213340,15057540347323482356,262144 --variations-seed-version --mojo-platform-channel-handle=3560 /prefetch:1
                    2⤵
                      PID:2848
                    • 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=5276,i,6719273165141509779,11136543880446740020,524288 --field-trial-handle=2248,i,16333444073347213340,15057540347323482356,262144 --variations-seed-version --mojo-platform-channel-handle=5316 /prefetch:8
                      2⤵
                        PID:4868
                      • 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=5272,i,1922196285529544205,8423115717393434907,524288 --field-trial-handle=2248,i,16333444073347213340,15057540347323482356,262144 --variations-seed-version --mojo-platform-channel-handle=5336 /prefetch:8
                        2⤵
                          PID:3028
                        • 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=5992,i,9908219578901682193,6591237839197263063,524288 --field-trial-handle=2248,i,16333444073347213340,15057540347323482356,262144 --variations-seed-version --mojo-platform-channel-handle=6008 /prefetch:8
                          2⤵
                            PID:900
                          • 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=5992,i,9908219578901682193,6591237839197263063,524288 --field-trial-handle=2248,i,16333444073347213340,15057540347323482356,262144 --variations-seed-version --mojo-platform-channel-handle=6008 /prefetch:8
                            2⤵
                              PID:2856
                          • 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:2032

                            Network

                                  MITRE ATT&CK Enterprise v16

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  16706326-864c-4d6e-ab4c-1a054fabe881.tmp

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\16706326-864c-4d6e-ab4c-1a054fabe881.tmp
                                  • Size 18KB
                                  • SHA256 f7e062594f92dfe475a85e98439541b78582eb04c11771ae461863086debea5c
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  settings.dat

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                  • Size 280B
                                  • SHA256 a82246f88da27a43b1718bd24e8cdfa3c17ae97a8d238e7befd5fac9a384a0a9
                                  • MD5 SHA1 SHA512 TLSH

                                  settings.dat

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                  • Size 280B
                                  • SHA256 e6cd13b34cf3f758c2f4e7c55e8801132cc91647c947cbafe475ce8928ff2c2f
                                  • MD5 SHA1 SHA512 TLSH

                                  41647205-fb0a-4163-92a4-5442e18bea4e.tmp

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\41647205-fb0a-4163-92a4-5442e18bea4e.tmp
                                  • Size 9KB
                                  • SHA256 2c8a44803637e3d6b0f9a12e56ba7bee7d09369555f1171623fab41c63b2adbd
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  46d4d34a-9758-4ec1-82b4-7c087e45d408.tmp

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\46d4d34a-9758-4ec1-82b4-7c087e45d408.tmp
                                  • Size 27KB
                                  • SHA256 f03d12f181b34716fcf3bdf39b7cce879eb29a4928f8d6c794d7e5da20cc18f9
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  9f0cf074-616b-4cf3-a533-aa6eeb5ff037.tmp

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\9f0cf074-616b-4cf3-a533-aa6eeb5ff037.tmp
                                  • Size 9KB
                                  • SHA256 7c1412971e2b069bff14ea8330a4d2f09db046a35fab67363c573f42f7ea36e6
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  9ff41464-cfe0-4323-affb-edf5cb487ab9.tmp

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\9ff41464-cfe0-4323-affb-edf5cb487ab9.tmp
                                  • Size 70KB
                                  • SHA256 31a226211c491e1b0832d4cd3cf34d97165e24a7ce4ec655259cd188f3a2bd88
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  temp-index

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\temp-index
                                  • Size 3KB
                                  • SHA256 3d33c4e68ae146ac04255f58fa3b269b3d5bd00365296ad754fa794bb6f0cd0b
                                  • MD5 SHA1 SHA512 TLSH

                                  the-real-index

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index
                                  • Size 3KB
                                  • SHA256 eb0b8394e8a2d9a858f825d9f0406ba0281f1832b5a27106d391a8faeac40f4d
                                  • MD5 SHA1 SHA512 TLSH

                                  d0bf0000-77f2-4a95-aad0-3b11357db9d5.tmp

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\DualEngine\d0bf0000-77f2-4a95-aad0-3b11357db9d5.tmp
                                  • Size 2B
                                  • SHA256 44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a
                                  • MD5 SHA1 SHA512

                                  1898b6aa-08d0-44f3-81f7-3854bbeb2431.tmp

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\1898b6aa-08d0-44f3-81f7-3854bbeb2431.tmp
                                  • Size 2B
                                  • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                                  • MD5 SHA1 SHA512

                                  a22b7a25-001a-46b6-964a-f6ff9e04a077.tmp

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\a22b7a25-001a-46b6-964a-f6ff9e04a077.tmp
                                  • Size 111B
                                  • SHA256 5dfc321417fc31359f23320ea68014ebfd793c5bbed55f77dab4180bbd4a2026
                                  • MD5 SHA1 SHA512 TLSH

                                  a613bd32-7e73-45e5-8411-807bc18f3c69.tmp

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\a613bd32-7e73-45e5-8411-807bc18f3c69.tmp
                                  • Size 8KB
                                  • SHA256 d9053aa85e06813320bd8764d1c6798a72aa025917a32cf02f6d3a36d4196215
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  b5869c9d-9568-487f-b1c6-2721002b5e04.tmp

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\b5869c9d-9568-487f-b1c6-2721002b5e04.tmp
                                  • Size 8KB
                                  • SHA256 c161ba6f2f3a8bb5766e5839f75445ac814804e22c8d0f7dc4e8113eebe4a97c
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  5a2a7058cf8d1e56c20e6b19a7c48eb2386d141b.tbres

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\TokenBroker\Cache\5a2a7058cf8d1e56c20e6b19a7c48eb2386d141b.tbres
                                  • Size 2KB
                                  • SHA256 10cc8a77b5b502c0a4c6f23093c72f0b3ec2c230620d7dd27fb69a25fe8d7042
                                  • MD5 SHA1 SHA512 TLSH