Analysis

  • user interaction
    yes
  • max time kernel
    70s
  • max time network
    70s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20260513-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20260513-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows
  • submitted
    29/05/2026, 13:45

General

  • Target
    https://groups.google.com/a/w-esco.com/group/6o/subscribe
  • Sample260529-q2ebbacy4t
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.

  • 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
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of WriteProcessMemory 18 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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://groups.google.com/a/w-esco.com/group/6o/subscribe
    1⤵
    • Drops file in Windows directory
    • Checks processor information in registry
    • Enumerates system info in registry
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3644
    • 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=0x21c,0x220,0x224,0x1f8,0x228,0x7ffa0c92c728,0x7ffa0c92c734,0x7ffa0c92c740
      2⤵
        PID:2780
      • 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=1712,i,11795137378564699254,4244597147442381628,262144 --field-trial-handle=1924,i,15757816074323167195,4999772488783909627,262144 --variations-seed-version=20260513-010036.937000-production --mojo-platform-channel-handle=1920 /prefetch:2
        2⤵
          PID:4764
        • 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=1608,i,4708096190825195334,7396827625790540386,524288 --field-trial-handle=1924,i,15757816074323167195,4999772488783909627,262144 --variations-seed-version=20260513-010036.937000-production --mojo-platform-channel-handle=2280 /prefetch:3
          2⤵
          • System Time Discovery
          PID:1456
        • 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=2384,i,10005544087369860425,9913310224921030157,524288 --field-trial-handle=1924,i,15757816074323167195,4999772488783909627,262144 --variations-seed-version=20260513-010036.937000-production --mojo-platform-channel-handle=2396 /prefetch:8
          2⤵
            PID:3040
          • 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=3112,i,7683229034453460219,4230506467427446631,2097152 --field-trial-handle=1924,i,15757816074323167195,4999772488783909627,262144 --variations-seed-version=20260513-010036.937000-production --mojo-platform-channel-handle=3232 /prefetch:1
            2⤵
              PID:4992
            • 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=3236,i,2789272987654306576,3865421606202697315,2097152 --field-trial-handle=1924,i,15757816074323167195,4999772488783909627,262144 --variations-seed-version=20260513-010036.937000-production --mojo-platform-channel-handle=3280 /prefetch:1
              2⤵
                PID:1924
              • 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=4388,i,9872199881384074609,6856681888605794121,2097152 --field-trial-handle=1924,i,15757816074323167195,4999772488783909627,262144 --variations-seed-version=20260513-010036.937000-production --mojo-platform-channel-handle=4404 /prefetch:2
                2⤵
                  PID:1920
                • 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 --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=8 --metrics-shmem-handle=4668,i,8622629386602688577,6336051806938937728,2097152 --field-trial-handle=1924,i,15757816074323167195,4999772488783909627,262144 --variations-seed-version=20260513-010036.937000-production --mojo-platform-channel-handle=4720 /prefetch:1
                  2⤵
                    PID:4468
                  • 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=5264,i,8295398735833669326,5554535480541203304,524288 --field-trial-handle=1924,i,15757816074323167195,4999772488783909627,262144 --variations-seed-version=20260513-010036.937000-production --mojo-platform-channel-handle=5268 /prefetch:8
                    2⤵
                      PID:3832
                    • 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=5504,i,4564732475026425961,17638309350654100722,524288 --field-trial-handle=1924,i,15757816074323167195,4999772488783909627,262144 --variations-seed-version=20260513-010036.937000-production --mojo-platform-channel-handle=5524 /prefetch:8
                      2⤵
                        PID:4892
                      • 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=5496,i,7878575428298476040,16794226903247238347,524288 --field-trial-handle=1924,i,15757816074323167195,4999772488783909627,262144 --variations-seed-version=20260513-010036.937000-production --mojo-platform-channel-handle=5296 /prefetch:8
                        2⤵
                          PID:4828
                        • 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=5512,i,7490775215616238482,17283097478295299387,524288 --field-trial-handle=1924,i,15757816074323167195,4999772488783909627,262144 --variations-seed-version=20260513-010036.937000-production --mojo-platform-channel-handle=5572 /prefetch:8
                          2⤵
                            PID:2804
                        • 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:3044
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                            1⤵
                              PID:4240

                            Network

                                  MITRE ATT&CK Enterprise v16

                                  Replay Monitor

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                                  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 649B
                                  • SHA256 a8a2ddfd5d1537c7411b5f1dcd2e9ee78c8f8d230054c3b31a5ae774053b6540
                                  • MD5 SHA1 SHA512 TLSH

                                  the-real-index

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Code Cache\js\index-dir\the-real-index
                                  • Size 312B
                                  • SHA256 408609623a787b3c68017366bdc408ce98129b073ea6b5b09f3351c1c023b4da
                                  • MD5 SHA1 SHA512 TLSH

                                  SCT Auditing Pending Reports

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports
                                  • Size 2B
                                  • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                                  • MD5 SHA1 SHA512

                                  Preferences

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                  • Size 12KB
                                  • SHA256 d44054461047318ffe7db79cbe076336ae82f5ddad618d45a2de13dd0d172eab
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  Preferences

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                  • Size 12KB
                                  • SHA256 d0dff2fefa541202d22fb59c7822b9da55370f39958d7b43f4c91bf42e84ef24
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  Secure Preferences

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Secure Preferences
                                  • Size 17KB
                                  • SHA256 dd2f60b87c921e0c108510918a4feab66d3dbd4c764762bb5eeb58b6c1cf829c
                                  • 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 0e945a4c3773101a65391c94777b99a182bb1a003198d9f9999aa6cc75df4ced
                                  • MD5 SHA1 SHA512 TLSH

                                  the-real-index~RFe5847a3.TMP

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Service Worker\ScriptCache\index-dir\the-real-index~RFe5847a3.TMP
                                  • Size 96B
                                  • SHA256 cb30e36d60190b4c1583c4e2ce3adc5a9a5f89b6329f16b562cf74935020689e
                                  • MD5 SHA1 SHA512 TLSH

                                  Local State

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                  • Size 115KB
                                  • SHA256 4109b72b83a01a9a55e57f97edac2a93c4e51d5ab0ea6ccbc43ec09b0973790d
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  Local State

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                  • Size 116KB
                                  • SHA256 0f2006f753a850aa01542b396c5a5f4c62aaec56bebb9b7c2eaa4822d461ac7a
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  Local State

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                  • Size 116KB
                                  • SHA256 99fcd784e5a8adf96c53af68aceabba268517017be8a7a119005f5b1e1ac43b5
                                  • MD5 SHA1 SHA512 SSDEEP TLSH