Analysis

  • user interaction
    yes
  • max time kernel
    65s
  • max time network
    66s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20260126-es
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20260126-eslocale:es-esos:windows10-ltsc_2021-x64systemwindows
  • submitted
    27/04/2026, 03:45

General

  • Target
    https://git.ryujinx.app/projects/Ryubing/releases/download/1.3.3/ryujinx-1.3.3-win_x64.zip
  • Sample260427-ea4lcabv8x

Malware Config

Signatures

  • Drops file in Windows directory 2 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 SCSI registry key(s) 3 TTPs 6 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • 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
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://git.ryujinx.app/projects/Ryubing/releases/download/1.3.3/ryujinx-1.3.3-win_x64.zip
    1⤵
    • Drops file in Windows directory
    • 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:6084
    • 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,0x220,0x224,0x1f8,0x228,0x7ffbbf51c728,0x7ffbbf51c734,0x7ffbbf51c740
      2⤵
        PID:4348
      • 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=es --service-sandbox-type=none --no-pre-read-main-dll --force-high-res-timeticks=disabled --metrics-shmem-handle=1608,i,6481316526532021844,12933770355812133765,524288 --field-trial-handle=2112,i,2819080274489171836,15133626221850348102,262144 --variations-seed-version=20260126-010020.760000 --mojo-platform-channel-handle=2208 /prefetch:3
        2⤵
        • System Time Discovery
        PID:6120
      • 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=1728,i,15647600955980510717,14952669576796223531,262144 --field-trial-handle=2112,i,2819080274489171836,15133626221850348102,262144 --variations-seed-version=20260126-010020.760000 --mojo-platform-channel-handle=2108 /prefetch:2
        2⤵
          PID:5344
        • 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=es --service-sandbox-type=service --force-high-res-timeticks=disabled --metrics-shmem-handle=2428,i,551198879155575533,15111862301540965660,524288 --field-trial-handle=2112,i,2819080274489171836,15133626221850348102,262144 --variations-seed-version=20260126-010020.760000 --mojo-platform-channel-handle=2092 /prefetch:8
          2⤵
            PID:444
          • 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=es --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --metrics-shmem-handle=3184,i,11935375639351917254,4483695405545665101,2097152 --field-trial-handle=2112,i,2819080274489171836,15133626221850348102,262144 --variations-seed-version=20260126-010020.760000 --mojo-platform-channel-handle=3188 /prefetch:1
            2⤵
              PID:4728
            • 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=es --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --metrics-shmem-handle=3196,i,982956930513827630,1530539234657406026,2097152 --field-trial-handle=2112,i,2819080274489171836,15133626221850348102,262144 --variations-seed-version=20260126-010020.760000 --mojo-platform-channel-handle=3228 /prefetch:1
              2⤵
                PID:4736
              • 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 --video-capture-use-gpu-memory-buffer --lang=es --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --metrics-shmem-handle=4256,i,2479680473651885602,731057751756587562,2097152 --field-trial-handle=2112,i,2819080274489171836,15133626221850348102,262144 --variations-seed-version=20260126-010020.760000 --mojo-platform-channel-handle=4268 /prefetch:2
                2⤵
                  PID:4628
                • 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=es --service-sandbox-type=none --force-high-res-timeticks=disabled --metrics-shmem-handle=5540,i,5924284509859337075,14859622718629221863,524288 --field-trial-handle=2112,i,2819080274489171836,15133626221850348102,262144 --variations-seed-version=20260126-010020.760000 --mojo-platform-channel-handle=5544 /prefetch:8
                  2⤵
                    PID:5300
                  • 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=es --service-sandbox-type=none --force-high-res-timeticks=disabled --metrics-shmem-handle=4756,i,5320254722339273759,11754984147463560381,524288 --field-trial-handle=2112,i,2819080274489171836,15133626221850348102,262144 --variations-seed-version=20260126-010020.760000 --mojo-platform-channel-handle=5808 /prefetch:8
                    2⤵
                      PID:5020
                    • 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=es --service-sandbox-type=none --message-loop-type-ui --force-high-res-timeticks=disabled --metrics-shmem-handle=5780,i,11501076686137533540,15129595286684480830,524288 --field-trial-handle=2112,i,2819080274489171836,15133626221850348102,262144 --variations-seed-version=20260126-010020.760000 --mojo-platform-channel-handle=5944 /prefetch:8
                      2⤵
                        PID:2296
                      • 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=es --service-sandbox-type=none --message-loop-type-ui --force-high-res-timeticks=disabled --metrics-shmem-handle=5840,i,5839450684040253760,2884628996868181720,524288 --field-trial-handle=2112,i,2819080274489171836,15133626221850348102,262144 --variations-seed-version=20260126-010020.760000 --mojo-platform-channel-handle=5960 /prefetch:8
                        2⤵
                          PID:3396
                        • 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=es --service-sandbox-type=none --message-loop-type-ui --force-high-res-timeticks=disabled --metrics-shmem-handle=5832,i,13586148706340334545,15292770863242051804,524288 --field-trial-handle=2112,i,2819080274489171836,15133626221850348102,262144 --variations-seed-version=20260126-010020.760000 --mojo-platform-channel-handle=5972 /prefetch:8
                          2⤵
                            PID:4776
                        • 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:4584
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                            1⤵
                              PID:4824
                            • C:\Windows\System32\rundll32.exe
                              C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                              1⤵
                                PID:3208
                              • C:\Users\Admin\Downloads\publish\Ryujinx.exe
                                "C:\Users\Admin\Downloads\publish\Ryujinx.exe"
                                1⤵
                                • Drops file in Windows directory
                                • Checks SCSI registry key(s)
                                • Suspicious use of SetWindowsHookEx
                                PID:3872

                              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 1c04c6e1462771a503c13a83a824b9c46200dfe2ff38ce125f19ec6d25485e8a
                                    • 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 96B
                                    • SHA256 d7f08dc72330a1a09d2952152e61b812cbaef61d2a33fbd3030fd064a814200d
                                    • 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 77a2d4caeca974906691b1751ecf37cf741b1b529b981cc708ffad7a86069ef7
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    Preferences

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                    • Size 12KB
                                    • SHA256 83119e66eba5d1b40647176d27b6364c36d97fa83c66c5be93f9babf4f487658
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    Secure Preferences

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Secure Preferences
                                    • Size 17KB
                                    • SHA256 b7fa3f9e49ffc2d6bb942d6a19f8a5f0994a556c9a6657f8f685176db94af2be
                                    • 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 23ef31b24c40c2c0673b73d8fd22f672e5781f8727d7fcdfc0997144127b6b0d
                                    • MD5 SHA1 SHA512 TLSH

                                    the-real-index~RFe580a9a.TMP

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Service Worker\ScriptCache\index-dir\the-real-index~RFe580a9a.TMP
                                    • Size 96B
                                    • SHA256 dde2729b7411766dbd3489c13fae15cda54f7c928b112fa92c6e50831bf1284d
                                    • MD5 SHA1 SHA512 TLSH

                                    Local State

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                    • Size 85KB
                                    • SHA256 15c738a515be01fb05e8dc83e70ce2ef617eb3b701de688a73f6511e1b5e9ed9
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    Local State

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                    • Size 86KB
                                    • SHA256 95f071a64af9510515384e4f666aaa8ebc67b8dec39bdce0beae1f01125840a7
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    Local State

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                    • Size 86KB
                                    • SHA256 f7194e2e9bce1538a8bd845d9d58e3de922f85de042b3d51347a2ea0361283b1
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    imkvdb.arc

                                    • Path C:\Users\Admin\AppData\Roaming\Ryujinx\bis\system\save\8000000000000000\0\imkvdb.arc
                                    • Size 12B
                                    • SHA256 f2dcb07cab0cf427a9b304b36a6e803277e59c8082f0235312abc0c75d2945e7
                                    • MD5 SHA1 SHA512

                                    ExtraData0

                                    • Path C:\Users\Admin\AppData\Roaming\Ryujinx\bis\system\save\8000000000000000\ExtraData0
                                    • Size 512B
                                    • SHA256 60826c2946b5ba092d98e9b0071f3f21a06531c4c23bb0af451f2da30028056f
                                    • MD5 SHA1 SHA512

                                    ExtraData1

                                    • Path C:\Users\Admin\AppData\Roaming\Ryujinx\bis\system\save\8000000000000000\ExtraData1
                                    • Size 512B
                                    • SHA256 eeaeee16b8aee204780788b52d7cc019b1fbe78936163edff734dda0523253fa
                                    • MD5 SHA1 SHA512

                                    ExtraData_

                                    • Path C:\Users\Admin\AppData\Roaming\Ryujinx\bis\system\save\8000000000000000\ExtraData_
                                    • Size 512B
                                    • SHA256 8e45c39aac0a2679f208534fdad4fb39365fef2ffacb19efd38e0db6c86e34db
                                    • MD5 SHA1 SHA512

                                    lastPublishedId

                                    • Path C:\Users\Admin\AppData\Roaming\Ryujinx\bis\system\save\8000000000000000\_\lastPublishedId
                                    • Size 8B
                                    • SHA256 af5570f5a1810b7af78caf4bc70a660f0df51e42baf91d4de5b2328de0e83dfc
                                    • MD5 SHA1 SHA512

                                    memory/3872-171-0x000002212FF00000-0x000002213066C000-memory.dmp