Analysis

  • user interaction
    yes
  • max time kernel
    300s
  • max time network
    302s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    27/04/2026, 06:02

General

  • Target
    https://go.microsoft.com/fwlink/?LinkId=521839
  • Sample260427-grflyscv6x
Score
4/10

Malware Config

Signatures

  • Drops file in Windows directory 1 IoCs
  • 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 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of SendNotifyMessage 16 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://go.microsoft.com/fwlink/?LinkId=521839
    1⤵
    • Drops file in Windows directory
    • Enumerates system info in registry
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:380
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=140.0.7339.81 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffb07e2c728,0x7ffb07e2c734,0x7ffb07e2c740
      2⤵
        PID:3900
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --no-pre-read-main-dll --force-high-res-timeticks=disabled --gpu-preferences=SAAAAAAAAADgAAAIAAAAAAAAAAAAAGAAAQAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAABAAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --metrics-shmem-handle=1580,i,11102925919634234844,96064012624872969,262144 --field-trial-handle=1872,i,812745256481375047,5000047719965408437,262144 --variations-seed-version=20260129-170056.646000 --mojo-platform-channel-handle=1860 /prefetch:2
        2⤵
          PID:1272
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --force-high-res-timeticks=disabled --metrics-shmem-handle=2228,i,9600252382424351977,6023485633995033492,524288 --field-trial-handle=1872,i,812745256481375047,5000047719965408437,262144 --variations-seed-version=20260129-170056.646000 --mojo-platform-channel-handle=2224 /prefetch:11
          2⤵
          • System Time Discovery
          PID:4916
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --force-high-res-timeticks=disabled --metrics-shmem-handle=1824,i,4680747947560628710,5087704371239709437,524288 --field-trial-handle=1872,i,812745256481375047,5000047719965408437,262144 --variations-seed-version=20260129-170056.646000 --mojo-platform-channel-handle=2752 /prefetch:13
          2⤵
            PID:2732
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --metrics-shmem-handle=3124,i,6643819676814081670,4857521899322502044,2097152 --field-trial-handle=1872,i,812745256481375047,5000047719965408437,262144 --variations-seed-version=20260129-170056.646000 --mojo-platform-channel-handle=3176 /prefetch:1
            2⤵
              PID:2144
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --metrics-shmem-handle=3128,i,15613884640767911252,14601298501765800114,2097152 --field-trial-handle=1872,i,812745256481375047,5000047719965408437,262144 --variations-seed-version=20260129-170056.646000 --mojo-platform-channel-handle=3196 /prefetch:1
              2⤵
                PID:2012
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --extension-process --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --metrics-shmem-handle=4308,i,4046168030247439423,8701122409776715593,2097152 --field-trial-handle=1872,i,812745256481375047,5000047719965408437,262144 --variations-seed-version=20260129-170056.646000 --mojo-platform-channel-handle=4316 /prefetch:9
                2⤵
                  PID:4372
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --force-high-res-timeticks=disabled --metrics-shmem-handle=5228,i,8404692535930969257,830575475073918574,524288 --field-trial-handle=1872,i,812745256481375047,5000047719965408437,262144 --variations-seed-version=20260129-170056.646000 --mojo-platform-channel-handle=4672 /prefetch:14
                  2⤵
                    PID:4124
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --message-loop-type-ui --force-high-res-timeticks=disabled --metrics-shmem-handle=5352,i,14577751965099505673,18155961420689938806,524288 --field-trial-handle=1872,i,812745256481375047,5000047719965408437,262144 --variations-seed-version=20260129-170056.646000 --mojo-platform-channel-handle=5516 /prefetch:14
                    2⤵
                      PID:2432
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --message-loop-type-ui --force-high-res-timeticks=disabled --metrics-shmem-handle=5240,i,11817797353547302939,5074096774435090448,524288 --field-trial-handle=1872,i,812745256481375047,5000047719965408437,262144 --variations-seed-version=20260129-170056.646000 --mojo-platform-channel-handle=5524 /prefetch:14
                      2⤵
                        PID:3904
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --message-loop-type-ui --force-high-res-timeticks=disabled --metrics-shmem-handle=5272,i,16574016037239709100,414626993065140368,524288 --field-trial-handle=1872,i,812745256481375047,5000047719965408437,262144 --variations-seed-version=20260129-170056.646000 --mojo-platform-channel-handle=5356 /prefetch:14
                        2⤵
                          PID:2720
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=5140 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.22000.1 --force-high-res-timeticks=disabled --gpu-preferences=SAAAAAAAAADoAAAIAAAAAAAAAAAAAGAAAQAAAAAAAACEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAABAAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --metrics-shmem-handle=4332,i,17429845270331023644,4436106043384555008,262144 --field-trial-handle=1872,i,812745256481375047,5000047719965408437,262144 --variations-seed-version=20260129-170056.646000 --mojo-platform-channel-handle=5136 /prefetch:10
                          2⤵
                          • Suspicious behavior: EnumeratesProcesses
                          PID:1664
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=on_device_model.mojom.OnDeviceModelService --lang=en-US --service-sandbox-type=on_device_model_execution --force-high-res-timeticks=disabled --metrics-shmem-handle=1492,i,980197438689445943,3135170305081661866,524288 --field-trial-handle=1872,i,812745256481375047,5000047719965408437,262144 --variations-seed-version=20260129-170056.646000 --mojo-platform-channel-handle=744 /prefetch:14
                          2⤵
                            PID:2376
                        • C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
                          "C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
                          1⤵
                            PID:2436
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                            1⤵
                              PID:3248

                            Network

                                  MITRE ATT&CK Enterprise v16

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  BookmarkMergedSurfaceOrdering

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\BookmarkMergedSurfaceOrdering
                                  • Size 6B
                                  • SHA256 4489f9e3e454748b3521eb214e0a5694d562cff3d9ff511cb456953c8f534c00
                                  • MD5 SHA1 SHA512

                                  BrowsingTopicsState

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\BrowsingTopicsState
                                  • Size 414B
                                  • SHA256 d2430f417488e9b2eeb220dc37952f5861cfdf23d151c7429944c4f76dd0cf26
                                  • MD5 SHA1 SHA512 TLSH

                                  temp-index

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Code Cache\js\index-dir\temp-index
                                  • Size 216B
                                  • SHA256 02c4ca9853999dcfaac1e8408c03ebbc94ced47fac00d2158f52eaace545ad42
                                  • MD5 SHA1 SHA512 TLSH

                                  42e4d87e-3a40-45b3-89c7-704a0f5f719e.tmp

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\42e4d87e-3a40-45b3-89c7-704a0f5f719e.tmp
                                  • Size 2B
                                  • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                                  • MD5 SHA1 SHA512

                                  Network Persistent State

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State
                                  • Size 2KB
                                  • SHA256 ebd878fdfee965a674ab01bf758aa544e3b72e1941c619434c048b3d203d363d
                                  • MD5 SHA1 SHA512 TLSH

                                  Preferences

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                  • Size 12KB
                                  • SHA256 8b358cdfded7008aadfd4d2ab0c772add79b47835c25147b9004ac8d33f04b91
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  Secure Preferences

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Secure Preferences
                                  • Size 17KB
                                  • SHA256 02fa3748cc960b0ed806669146286ae61d8f8c37c72e1c20fff625c9b568d7c5
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  the-real-index

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Service Worker\ScriptCache\index-dir\the-real-index
                                  • Size 120B
                                  • SHA256 9e02623ab82ed0ed02a38c8931ae0018ec57450f411b24f1d88dd28ab015259d
                                  • MD5 SHA1 SHA512 TLSH

                                  the-real-index~RFe584aa0.TMP

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Service Worker\ScriptCache\index-dir\the-real-index~RFe584aa0.TMP
                                  • Size 96B
                                  • SHA256 539a7ad1b3ee497af1880e00fc8b8880cecc9f71fd5447ef44f22aa792848a3b
                                  • MD5 SHA1 SHA512 TLSH

                                  Local State

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                  • Size 91KB
                                  • SHA256 7e1b1a0e30747a1b94a2ee63ce93a69ac3caa09a54a3a7fb36476547e328afbc
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  Local State

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                  • Size 91KB
                                  • SHA256 022ae2466990118efaa6082cacc498fb15a07164109ddffd1cc6bba8a25265ec
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  Local State

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                  • Size 91KB
                                  • SHA256 6a1f8fa15e2d3e5aa2d2408eb709b39f44b7babf46bfd028830e9953678b130e
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  Local State

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                  • Size 91KB
                                  • SHA256 3457dae8fd77fb2a332450652b8275ce2084a7de55ee55d3c415bbd3a09af62d
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  Local State

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                  • Size 90KB
                                  • SHA256 ccfa5142a6ab0c1efc3f7e2a0241ed4f8d73217f35ee60c7639ac1e7dab4d9f8
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  memory/2436-13-0x000002A6A9D30000-0x000002A6A9ECA000-memory.dmp