Analysis

  • user interaction
    yes
  • max time kernel
    900s
  • max time network
    871s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    26/08/2026, 16:38

General

  • Target
    https://github.com/gungugugungu/GVK-Engine
  • Sample260826-t5eb9sseqf
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 5 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 47 IoCs
  • Suspicious use of SendNotifyMessage 36 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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://github.com/gungugugungu/GVK-Engine
    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:3092
    • 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=0xf8,0xfc,0x100,0xd4,0x104,0x7fff0f66c728,0x7fff0f66c734,0x7fff0f66c740
      2⤵
        PID:4284
      • 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=1684,i,16826745751185903677,4908768164413212636,262144 --field-trial-handle=2004,i,4956337967189515923,6133302304844882009,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=2000 /prefetch:2
        2⤵
          PID:3648
        • 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=1576,i,5050224008543341264,8311659273941681303,524288 --field-trial-handle=2004,i,4956337967189515923,6133302304844882009,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=2244 /prefetch:3
          2⤵
          • System Time Discovery
          PID:2992
        • 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=2368,i,17821670053082813132,3373864883123639239,524288 --field-trial-handle=2004,i,4956337967189515923,6133302304844882009,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=2380 /prefetch:8
          2⤵
            PID:1716
          • 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=3224,i,14918022817032920571,17896113903872948787,2097152 --field-trial-handle=2004,i,4956337967189515923,6133302304844882009,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=3236 /prefetch:1
            2⤵
              PID:4072
            • 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=3228,i,5892500162845697962,18062542780528129017,2097152 --field-trial-handle=2004,i,4956337967189515923,6133302304844882009,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=3284 /prefetch:1
              2⤵
                PID:3320
              • 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=5492,i,13097429873950076523,7428068009077681791,524288 --field-trial-handle=2004,i,4956337967189515923,6133302304844882009,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=5496 /prefetch:8
                2⤵
                  PID:4112
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --lang=en-US --service-sandbox-type=none --force-high-res-timeticks=disabled --metrics-shmem-handle=5580,i,9799254636357838469,7587128714264749716,524288 --field-trial-handle=2004,i,4956337967189515923,6133302304844882009,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=4740 /prefetch:8
                  2⤵
                    PID:4784
                  • 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=4760,i,16840997829944084171,10156213759568282088,524288 --field-trial-handle=2004,i,4956337967189515923,6133302304844882009,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=5584 /prefetch:8
                    2⤵
                      PID:4364
                    • 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=5712,i,17505843676314600646,12292794933625808217,524288 --field-trial-handle=2004,i,4956337967189515923,6133302304844882009,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=5720 /prefetch:8
                      2⤵
                        PID:3508
                      • 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=5716,i,10073588349198926918,2759478271008233249,524288 --field-trial-handle=2004,i,4956337967189515923,6133302304844882009,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=5432 /prefetch:8
                        2⤵
                          PID:2044
                        • 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 --gpu-preferences=SAAAAAAAAADoAAAIAAAAAAAAAAAAAGAAAQAAAAAAAACEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAABAAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --metrics-shmem-handle=5812,i,4151485335616400509,14347428386888943224,262144 --field-trial-handle=2004,i,4956337967189515923,6133302304844882009,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=4832 /prefetch:8
                          2⤵
                          • Suspicious behavior: EnumeratesProcesses
                          PID:4716
                        • 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=4068,i,2591406549027607512,12421470870268439163,524288 --field-trial-handle=2004,i,4956337967189515923,6133302304844882009,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=5748 /prefetch:8
                          2⤵
                            PID:3448
                        • 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:3116
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                            1⤵
                              PID:1760
                            • C:\Windows\System32\rundll32.exe
                              C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                              1⤵
                                PID:2600
                              • C:\Windows\system32\NOTEPAD.EXE
                                "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\windows.demo\HOW TO RUN.txt
                                1⤵
                                • Opens file in notepad (likely ransom note)
                                PID:3588
                              • C:\Users\Admin\Desktop\windows.demo\bin\GVK.exe
                                "C:\Users\Admin\Desktop\windows.demo\bin\GVK.exe"
                                1⤵
                                  PID:1580
                                • C:\Users\Admin\Desktop\windows.demo\bin\GVK.exe
                                  "C:\Users\Admin\Desktop\windows.demo\bin\GVK.exe"
                                  1⤵
                                    PID:4124

                                  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 28375e6c005a0a9580f8f31e3fed7387d543795857e8c379858c5a1c5b71d71f
                                        • 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 2KB
                                        • SHA256 1f81cc1f44728ccea0ecc48f558deae4c764166a07b8e0a128e0a5b9038eb183
                                        • MD5 SHA1 SHA512 TLSH

                                        Network Persistent State

                                        • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State
                                        • Size 3KB
                                        • SHA256 888bb99a6e2566a572d922827627782680d61fcfacb8538191f687d4280daf04
                                        • MD5 SHA1 SHA512 TLSH

                                        Network Persistent State

                                        • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State
                                        • Size 3KB
                                        • SHA256 d418abcc934dc43bb807b8ffeb6474bee48f3680ec6fd889136630373ae9a774
                                        • 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

                                        TransportSecurity

                                        • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity
                                        • Size 1KB
                                        • SHA256 192aa7d729ff0141c4d31870b7217d640b21e3cac3cd8e1f705f925b4d3a47b7
                                        • MD5 SHA1 SHA512 TLSH

                                        Preferences

                                        • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                        • Size 12KB
                                        • SHA256 03fcee2231ba69e586d117111ef26163a9eedb4b92c191c14771c3da655f74e4
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Preferences

                                        • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                        • Size 12KB
                                        • SHA256 2a00c1904f2981459da3700d3627ee44f579b1a39119594f64a65851eb6683a2
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Preferences

                                        • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                        • Size 12KB
                                        • SHA256 9cf8c7bfbc417dfdea79688ccf41933b4abd5b52683e49beb489718f8e156386
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Preferences

                                        • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                        • Size 13KB
                                        • SHA256 21fe45fd4d60e209705845f2ee599eb660999a78da317730a88445ad24a4d4b4
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Secure Preferences

                                        • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Secure Preferences
                                        • Size 13KB
                                        • SHA256 3426e293396fa1424a09f9423424627a398157ab7bfc3ec06964ae1df493a1c5
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Local State

                                        • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                        • Size 116KB
                                        • SHA256 1090f2550f8b5af7e995dc8ced64b94adc2048ff2807d0c9887af670785cc952
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Local State

                                        • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                        • Size 116KB
                                        • SHA256 fb41eec172250977237596f194a9d6680d4a2a96f8c9ce79555c4e65551ca95b
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Local State

                                        • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                        • Size 116KB
                                        • SHA256 6dc7f2776371dd4fa5b16bfd25c054ca99ffb37ea1a3d593f8a4505590d59cc5
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Local State

                                        • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                        • Size 115KB
                                        • SHA256 f56d73a7c05faf49167cbf1902675c562195d9231ec7b8d83633deb21fbbac0d
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Local State

                                        • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                        • Size 116KB
                                        • SHA256 500ccca54bba32165576733f30c6779bc24ca0c86f2f17f1f5c5c1a2091871ea
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        windows.demo.zip.crdownload

                                        • Path C:\Users\Admin\Downloads\windows.demo.zip.crdownload
                                        • Size 10.6MB
                                        • SHA256 e72e8afc6b0e916adad3673404d2acd079216cf834798ba6e74c237961f9fa6b
                                        • MD5 SHA1 SHA512 SSDEEP TLSH