Analysis

  • geolocation tags

    eueuropelondonukunited-kingdom
  • user interaction
    yes
  • max time kernel
    12s
  • max time network
    63s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20260513-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20260513-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows
  • submitted
    10/09/2026, 16:07

General

  • Target
    http://joyjak.st
  • Sample260910-tk427avsas

Malware Config

Signatures

  • Looks up external IP address via web service 1 TTPs 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • 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 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 20 IoCs
  • Suspicious use of FindShellTrayWindow 51 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of WriteProcessMemory 20 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.

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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument http://joyjak.st
    1⤵
    • Checks SCSI registry key(s)
    • 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:1540
    • 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,0x220,0x224,0x1f8,0x228,0x7ffac94cc728,0x7ffac94cc734,0x7ffac94cc740
      2⤵
        PID:3800
      • 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=1764,i,4762511670562284979,6195517160894126206,262144 --field-trial-handle=1940,i,14927339862370759842,8868153490385365283,262144 --variations-seed-version=20260513-010036.937000-production --mojo-platform-channel-handle=1944 /prefetch:2
        2⤵
          PID:1300
        • 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,10305431999918719399,15182725095044921986,524288 --field-trial-handle=1940,i,14927339862370759842,8868153490385365283,262144 --variations-seed-version=20260513-010036.937000-production --mojo-platform-channel-handle=2268 /prefetch:3
          2⤵
          • System Time Discovery
          PID:4476
        • 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=2380,i,7656621974077542787,2502526244591823546,524288 --field-trial-handle=1940,i,14927339862370759842,8868153490385365283,262144 --variations-seed-version=20260513-010036.937000-production --mojo-platform-channel-handle=2548 /prefetch:8
          2⤵
            PID:3868
          • 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=3156,i,14699978272038152761,13325002183230350640,2097152 --field-trial-handle=1940,i,14927339862370759842,8868153490385365283,262144 --variations-seed-version=20260513-010036.937000-production --mojo-platform-channel-handle=3244 /prefetch:1
            2⤵
              PID:3496
            • 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=3176,i,12592971782443130729,7025516926926890733,2097152 --field-trial-handle=1940,i,14927339862370759842,8868153490385365283,262144 --variations-seed-version=20260513-010036.937000-production --mojo-platform-channel-handle=3288 /prefetch:1
              2⤵
                PID:3656
              • 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=4420,i,5378247351642240031,3509770601079441011,2097152 --field-trial-handle=1940,i,14927339862370759842,8868153490385365283,262144 --variations-seed-version=20260513-010036.937000-production --mojo-platform-channel-handle=4468 /prefetch:2
                2⤵
                  PID:4232
                • 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=4712,i,7549973394949185303,2603566962854290546,2097152 --field-trial-handle=1940,i,14927339862370759842,8868153490385365283,262144 --variations-seed-version=20260513-010036.937000-production --mojo-platform-channel-handle=4732 /prefetch:1
                  2⤵
                    PID:2660
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=audio.mojom.AudioService --lang=en-US --service-sandbox-type=audio --force-high-res-timeticks=disabled --metrics-shmem-handle=5252,i,13410289697826657307,18171939345820111364,524288 --field-trial-handle=1940,i,14927339862370759842,8868153490385365283,262144 --variations-seed-version=20260513-010036.937000-production --mojo-platform-channel-handle=5264 /prefetch:8
                    2⤵
                      PID:4392
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=video_capture.mojom.VideoCaptureService --lang=en-US --service-sandbox-type=none --force-high-res-timeticks=disabled --metrics-shmem-handle=5832,i,17715975000131425137,15325006594203630773,524288 --field-trial-handle=1940,i,14927339862370759842,8868153490385365283,262144 --variations-seed-version=20260513-010036.937000-production --mojo-platform-channel-handle=5856 /prefetch:8
                      2⤵
                      • Modifies registry class
                      PID:3932
                    • 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=6904,i,12052664297962653275,13153442974388429051,524288 --field-trial-handle=1940,i,14927339862370759842,8868153490385365283,262144 --variations-seed-version=20260513-010036.937000-production --mojo-platform-channel-handle=6956 /prefetch:8
                      2⤵
                        PID:1580
                      • 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=4960,i,11183896982760409959,13825767578195531396,524288 --field-trial-handle=1940,i,14927339862370759842,8868153490385365283,262144 --variations-seed-version=20260513-010036.937000-production --mojo-platform-channel-handle=4624 /prefetch:8
                        2⤵
                          PID:1716
                        • 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=6876,i,9675270047437753149,4194544532088873716,524288 --field-trial-handle=1940,i,14927339862370759842,8868153490385365283,262144 --variations-seed-version=20260513-010036.937000-production --mojo-platform-channel-handle=6428 /prefetch:8
                          2⤵
                            PID:3348
                          • 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=6904,i,13697956683122565457,15844231020812797292,524288 --field-trial-handle=1940,i,14927339862370759842,8868153490385365283,262144 --variations-seed-version=20260513-010036.937000-production --mojo-platform-channel-handle=6460 /prefetch:8
                            2⤵
                              PID:4848
                            • 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=6960,i,472531365270312831,7106018756337923050,524288 --field-trial-handle=1940,i,14927339862370759842,8868153490385365283,262144 --variations-seed-version=20260513-010036.937000-production --mojo-platform-channel-handle=6980 /prefetch:8
                              2⤵
                                PID:1244
                              • 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=4860,i,779839720895725453,15834966656034662957,524288 --field-trial-handle=1940,i,14927339862370759842,8868153490385365283,262144 --variations-seed-version=20260513-010036.937000-production --mojo-platform-channel-handle=6984 /prefetch:8
                                2⤵
                                  PID:3528
                                • 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=6944,i,14967326111016913267,8433751298610192168,524288 --field-trial-handle=1940,i,14927339862370759842,8868153490385365283,262144 --variations-seed-version=20260513-010036.937000-production --mojo-platform-channel-handle=6468 /prefetch:8
                                  2⤵
                                    PID:4796
                                  • 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=6972,i,10555794429892137426,12909182747476487897,524288 --field-trial-handle=1940,i,14927339862370759842,8868153490385365283,262144 --variations-seed-version=20260513-010036.937000-production --mojo-platform-channel-handle=7080 /prefetch:8
                                    2⤵
                                      PID:4952
                                  • 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:4768
                                    • C:\Windows\system32\AUDIODG.EXE
                                      C:\Windows\system32\AUDIODG.EXE 0x2fc 0x31c
                                      1⤵
                                        PID:4216
                                      • C:\Windows\system32\svchost.exe
                                        C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                                        1⤵
                                          PID:5088
                                        • C:\Windows\System32\rundll32.exe
                                          C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                                          1⤵
                                            PID:4252
                                          • C:\Windows\system32\mspaint.exe
                                            "C:\Windows\system32\mspaint.exe" "C:\Users\Admin\Downloads\caption (1).gif"
                                            1⤵
                                              PID:4288
                                            • C:\Windows\system32\svchost.exe
                                              C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s DeviceAssociationService
                                              1⤵
                                                PID:4776
                                              • C:\Windows\system32\mspaint.exe
                                                "C:\Windows\system32\mspaint.exe" "C:\Users\Admin\Downloads\poop_virus.gif"
                                                1⤵
                                                  PID:3144
                                                • C:\Windows\system32\mspaint.exe
                                                  "C:\Windows\system32\mspaint.exe" "C:\Users\Admin\Downloads\caption.gif"
                                                  1⤵
                                                    PID:4856
                                                  • C:\Windows\system32\mspaint.exe
                                                    "C:\Windows\system32\mspaint.exe" "C:\Users\Admin\Downloads\cadocompetition.gif"
                                                    1⤵
                                                      PID:2904

                                                    Network

                                                          MITRE ATT&CK Enterprise v16

                                                          Replay Monitor

                                                          Loading Replay Monitor...

                                                          Downloads

                                                          settings.dat

                                                          • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad\settings.dat
                                                          • Size 40B
                                                          • SHA256 34618950e0fea4f22974fbe9871df7fe932ce9f96ba9f9f5932f10c6af8bbaa7
                                                          • MD5 SHA1 SHA512

                                                          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 e095e617ce3a1f1e0a85a6624bee2767e6b96152ff4bce79e7aea4544f58fbd3
                                                          • MD5 SHA1 SHA512 TLSH

                                                          f_000006

                                                          • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Cache\Cache_Data\f_000006
                                                          • Size 5.1MB
                                                          • SHA256 624a1d8b1d0cc7a225d44c38e21b8a032cf303f8680e4ea37cfee175b9500da2
                                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                                          the-real-index

                                                          • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Code Cache\js\index-dir\the-real-index
                                                          • Size 120B
                                                          • SHA256 22bed4828010a01322e83c7965f125069d978d2c546f2b5e1d0b1302785e7886
                                                          • 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 ebe0ced4d938c99c510c6e7df44c550d82ca3e0b935738b4daa240742c715a54
                                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                                          Preferences

                                                          • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                                          • Size 12KB
                                                          • SHA256 fa76f850fec430b3f38d7f7bc091f52f1386b2b5d5e60795ed3b60895f9d33c7
                                                          • 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 436c50f173cf34d5d2211fbb28496cb0abf7dae44f570c6bed6e758875f7d8b8
                                                          • MD5 SHA1 SHA512 TLSH

                                                          the-real-index~RFe58941d.TMP

                                                          • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Service Worker\ScriptCache\index-dir\the-real-index~RFe58941d.TMP
                                                          • Size 96B
                                                          • SHA256 ac09ba722af349c670eea5d72f3ef8ca69ff2ac913d3c169e8ebb76278e760f6
                                                          • MD5 SHA1 SHA512 TLSH

                                                          Local State

                                                          • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                                          • Size 116KB
                                                          • SHA256 22117f3d1cc3b2625ea8ed2f63ab8b0f71d2a7a9ae3d96a60769ccb1b94c0153
                                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                                          Local State

                                                          • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                                          • Size 115KB
                                                          • SHA256 4769a7024d6a4ba010c52a71b2695763cee49c02cec5a18f90888f23f064b779
                                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                                          Local State

                                                          • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                                          • Size 116KB
                                                          • SHA256 371e0c3c30d8d280f94d37454cf182d53043e1cff47e146cf4252259c3f4f470
                                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                                          caption (1).gif.crdownload

                                                          • Path C:\Users\Admin\Downloads\caption (1).gif.crdownload
                                                          • Size 6.4MB
                                                          • SHA256 b507a54a20f34e583267d273a8eea6f43baf382391cb989c554e4b4bc346aa84
                                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                                          poop_virus.gif

                                                          • Path C:\Users\Admin\Downloads\poop_virus.gif
                                                          • Size 1.1MB
                                                          • SHA256 2af83b291c7f2b48a6ace50ea8d0a47fce564a1a358be57332438b7742492dd6
                                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                                          wiatrace.log

                                                          • Path C:\Windows\Debug\WIA\wiatrace.log
                                                          • Size 3KB
                                                          • SHA256 36e9ede93f02f96a1744916ba3a0857329e34de11f5550ca99d2f71c066f7c2a
                                                          • MD5 SHA1 SHA512 TLSH

                                                          wiatrace.log

                                                          • Path C:\Windows\Debug\WIA\wiatrace.log
                                                          • Size 6KB
                                                          • SHA256 ed2369bbc7db90de18d4409ea687d29b7dbbfa8f52e611e4c86e634a1b26880c
                                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                                          wiatrace.log

                                                          • Path C:\Windows\Debug\WIA\wiatrace.log
                                                          • Size 9KB
                                                          • SHA256 35053d3d11ffa88c4ae4c19e060de390ae1e7127b4cb807f0cd57703663f512c
                                                          • MD5 SHA1 SHA512 SSDEEP TLSH