Analysis

  • user interaction
    yes
  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    26/04/2026, 01:05

General

  • Target
    envio.txt
  • Size 258B
  • Sample260426-bfhdhsdw4n
  • SHA256 7dca991089c6e59859ef1e2ee86c4d520a5ed7b2298aa4aa02bd8b718d2e1578
  • MD5 SHA1 SHA512 TLSH
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 1 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Windows\system32\NOTEPAD.EXE
    C:\Windows\system32\NOTEPAD.EXE C:\Users\Admin\AppData\Local\Temp\envio.txt
    1⤵
    • Opens file in notepad (likely ransom note)
    PID:1240
  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe"
    1⤵
    • Checks processor information in registry
    • 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:3396
    • 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=0x118,0x11c,0x120,0xf4,0x124,0x7ffb4439c728,0x7ffb4439c734,0x7ffb4439c740
      2⤵
        PID:4892
      • 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 --subproc-heap-profiling --gpu-preferences=SAAAAAAAAADgAAAIAAAAAAAAAAAAAGAAAQAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAABAAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --metrics-shmem-handle=1708,i,7261592139668865773,8318744097189682242,262144 --field-trial-handle=2016,i,13119653090229063996,9186163068834857184,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=2000 /prefetch:2
        2⤵
          PID:3480
        • 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 --subproc-heap-profiling --metrics-shmem-handle=1616,i,12243281909917138311,839625175914600021,524288 --field-trial-handle=2016,i,13119653090229063996,9186163068834857184,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=2208 /prefetch:3
          2⤵
          • System Time Discovery
          PID:4308
        • 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 --subproc-heap-profiling --metrics-shmem-handle=2212,i,12269387758022880132,12970603928373040902,524288 --field-trial-handle=2016,i,13119653090229063996,9186163068834857184,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=2600 /prefetch:8
          2⤵
            PID:1524
          • 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 --subproc-heap-profiling --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=3284,i,2805207247857319264,14789715826647134262,2097152 --field-trial-handle=2016,i,13119653090229063996,9186163068834857184,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=3304 /prefetch:1
            2⤵
              PID:4948
            • 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 --subproc-heap-profiling --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=3116,i,5097056835911011096,16316598977051081048,2097152 --field-trial-handle=2016,i,13119653090229063996,9186163068834857184,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=3344 /prefetch:1
              2⤵
                PID:4472
              • 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=4488,i,13140088628584667382,16589770979140832561,2097152 --field-trial-handle=2016,i,13119653090229063996,9186163068834857184,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=4456 /prefetch:2
                2⤵
                  PID:4284
                • 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 --subproc-heap-profiling --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=4788,i,3835764984635115532,11286895347895659864,2097152 --field-trial-handle=2016,i,13119653090229063996,9186163068834857184,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=4740 /prefetch:1
                  2⤵
                    PID:2832
                  • 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 --subproc-heap-profiling --metrics-shmem-handle=5548,i,12392110171421454810,10397812212532960330,524288 --field-trial-handle=2016,i,13119653090229063996,9186163068834857184,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=5556 /prefetch:8
                    2⤵
                      PID:4156
                    • 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 --subproc-heap-profiling --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=10 --metrics-shmem-handle=3828,i,12214148110682505331,12598640864823274866,2097152 --field-trial-handle=2016,i,13119653090229063996,9186163068834857184,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=5780 /prefetch:1
                      2⤵
                        PID:3048
                      • 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 --subproc-heap-profiling --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=11 --metrics-shmem-handle=3332,i,15919523642074141400,9289871960253551236,2097152 --field-trial-handle=2016,i,13119653090229063996,9186163068834857184,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=3360 /prefetch:1
                        2⤵
                          PID:3960
                        • 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 --subproc-heap-profiling --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=12 --metrics-shmem-handle=5912,i,969736760243731650,16164376345307475392,2097152 --field-trial-handle=2016,i,13119653090229063996,9186163068834857184,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=6008 /prefetch:1
                          2⤵
                            PID:956
                          • 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 --subproc-heap-profiling --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=13 --metrics-shmem-handle=5860,i,15837230557695564453,9978626432683814063,2097152 --field-trial-handle=2016,i,13119653090229063996,9186163068834857184,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=5836 /prefetch:1
                            2⤵
                              PID:4040
                            • 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 --subproc-heap-profiling --metrics-shmem-handle=4712,i,6621484760887256012,3721143096584021379,524288 --field-trial-handle=2016,i,13119653090229063996,9186163068834857184,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=3300 /prefetch:8
                              2⤵
                                PID:2488
                              • 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 --subproc-heap-profiling --metrics-shmem-handle=4776,i,9769916671665180593,1086047199779729605,524288 --field-trial-handle=2016,i,13119653090229063996,9186163068834857184,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=5888 /prefetch:8
                                2⤵
                                  PID:1984
                                • 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 --subproc-heap-profiling --metrics-shmem-handle=4904,i,3501051274247096804,6587907376377641635,524288 --field-trial-handle=2016,i,13119653090229063996,9186163068834857184,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=5780 /prefetch:8
                                  2⤵
                                    PID:1516
                                  • 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=10.0.19041.546 --force-high-res-timeticks=disabled --subproc-heap-profiling --gpu-preferences=SAAAAAAAAADoAAAIAAAAAAAAAAAAAGAAAQAAAAAAAACEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAABAAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --metrics-shmem-handle=4456,i,13217663365545101851,7436710239992759983,262144 --field-trial-handle=2016,i,13119653090229063996,9186163068834857184,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=864 /prefetch:8
                                    2⤵
                                    • Suspicious behavior: EnumeratesProcesses
                                    PID:640
                                • 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:2600
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                                    1⤵
                                      PID:4552

                                    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 209de9e7a4268dd4b289920b558e4406719434ca77c9f13b46c08ad2d662de24
                                          • 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 552B
                                          • SHA256 bc9ace8c7687eb4e1738404b1ecec5c3c420cdb968ba95465e11fdc3edfc257b
                                          • MD5 SHA1 SHA512 TLSH

                                          Network Persistent State

                                          • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State
                                          • Size 8KB
                                          • SHA256 ebc6665490335404b29ddfb67638d2cc928e2fc6e3280286e7ad9b13e574279e
                                          • MD5 SHA1 SHA512 SSDEEP 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 13KB
                                          • SHA256 485e7071918138de239ab75c502611625ccd60b7320cb0e567cbbf8830f0e655
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          Preferences

                                          • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                          • Size 12KB
                                          • SHA256 9b52d8ddc7a882be79167b0ab25d26da610a34738bc1e2f3bd5c3058683b195e
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          Secure Preferences

                                          • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Secure Preferences
                                          • Size 17KB
                                          • SHA256 4c5dbe3f3071c1cdd70e39a99dd2a8e7a0233b08f2fef9e58bef03d6b9f0f954
                                          • 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 4749d1431ed44f5907df4929cc6ac32b9bd274fe7f76feb285e7d2254c2679bc
                                          • MD5 SHA1 SHA512 TLSH

                                          the-real-index~RFe587d97.TMP

                                          • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Service Worker\ScriptCache\index-dir\the-real-index~RFe587d97.TMP
                                          • Size 96B
                                          • SHA256 9def721c847549e5fac9484cb044de306d512d59a763e2e4ac120ea3159148d4
                                          • MD5 SHA1 SHA512 TLSH

                                          Local State

                                          • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                          • Size 195KB
                                          • SHA256 29e5699dd70de7c7a2315b5a1b281ebf48830c26b86420031f8dbc7bdee2504e
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          Local State

                                          • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                          • Size 195KB
                                          • SHA256 769fdc0793d09da9b16e427c9ecfe029771ef7402b1abcc8c171df2dcc998574
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          Local State

                                          • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                          • Size 196KB
                                          • SHA256 8f44d99c5532399aec27c204195e8ed634f618fe6bbd40a93144edf9fe4d5689
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          Local State

                                          • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                          • Size 89KB
                                          • SHA256 eddd9c6b33213960306f4106f023fc4b70a632d5e6ac172578b18d9fe7a4cbcd
                                          • MD5 SHA1 SHA512 SSDEEP TLSH