Analysis

  • user interaction
    yes
  • max time kernel
    900s
  • max time network
    889s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20260126-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20260126-enlocale:en-usos:windows10-ltsc_2021-x64system
  • submitted
    19/04/2026, 12:10

General

  • Target
    https://isoriver.com/
  • Sample260419-pcafdsew8v
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
  • Modifies registry class 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of WriteProcessMemory 23 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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://isoriver.com/
    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:5500
    • 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,0x220,0x224,0x1f8,0x228,0x7ffd8587c728,0x7ffd8587c734,0x7ffd8587c740
      2⤵
        PID:4660
      • 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 --no-pre-read-main-dll --force-high-res-timeticks=disabled --metrics-shmem-handle=1608,i,10648774510918170448,17580911111202265511,524288 --field-trial-handle=2124,i,16681155541891212565,10056792811040413862,262144 --variations-seed-version=20260126-010020.760000 --mojo-platform-channel-handle=2172 /prefetch:3
        2⤵
        • System Time Discovery
        PID:5540
      • 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,13335965553567840554,18127301350694792027,262144 --field-trial-handle=2124,i,16681155541891212565,10056792811040413862,262144 --variations-seed-version=20260126-010020.760000 --mojo-platform-channel-handle=2120 /prefetch:2
        2⤵
          PID:5916
        • 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=2424,i,6846387535817292869,7263434168246651769,524288 --field-trial-handle=2124,i,16681155541891212565,10056792811040413862,262144 --variations-seed-version=20260126-010020.760000 --mojo-platform-channel-handle=2584 /prefetch:8
          2⤵
            PID:4616
          • 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=3216,i,10112196195263531359,7758780656820833066,2097152 --field-trial-handle=2124,i,16681155541891212565,10056792811040413862,262144 --variations-seed-version=20260126-010020.760000 --mojo-platform-channel-handle=3244 /prefetch:1
            2⤵
              PID:5496
            • 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=3220,i,17782272837520403510,13381147382810591823,2097152 --field-trial-handle=2124,i,16681155541891212565,10056792811040413862,262144 --variations-seed-version=20260126-010020.760000 --mojo-platform-channel-handle=3300 /prefetch:1
              2⤵
                PID:4868
              • 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=4412,i,14560851931744266024,8902739310215931674,2097152 --field-trial-handle=2124,i,16681155541891212565,10056792811040413862,262144 --variations-seed-version=20260126-010020.760000 --mojo-platform-channel-handle=4428 /prefetch:2
                2⤵
                  PID:5432
                • 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=5328,i,10405286137838413686,10418495644753788174,524288 --field-trial-handle=2124,i,16681155541891212565,10056792811040413862,262144 --variations-seed-version=20260126-010020.760000 --mojo-platform-channel-handle=5336 /prefetch:8
                  2⤵
                    PID:3652
                  • 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=500,i,10770348163982367570,3657466718982776493,524288 --field-trial-handle=2124,i,16681155541891212565,10056792811040413862,262144 --variations-seed-version=20260126-010020.760000 --mojo-platform-channel-handle=5352 /prefetch:8
                    2⤵
                      PID:2420
                    • 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=5652,i,16110853420436819135,15482598356678227216,524288 --field-trial-handle=2124,i,16681155541891212565,10056792811040413862,262144 --variations-seed-version=20260126-010020.760000 --mojo-platform-channel-handle=5668 /prefetch:8
                      2⤵
                        PID:5556
                      • 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=5616,i,15276801442117059221,1850543643879149963,524288 --field-trial-handle=2124,i,16681155541891212565,10056792811040413862,262144 --variations-seed-version=20260126-010020.760000 --mojo-platform-channel-handle=5676 /prefetch:8
                        2⤵
                          PID:5584
                        • 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=10.0.19041.4355 --force-high-res-timeticks=disabled --gpu-preferences=SAAAAAAAAADoAAAIAAAAAAAAAAAAAGAAAQAAAAAAAACEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAABAAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --metrics-shmem-handle=4444,i,15962460870379158140,11290646003182550868,262144 --field-trial-handle=2124,i,16681155541891212565,10056792811040413862,262144 --variations-seed-version=20260126-010020.760000 --mojo-platform-channel-handle=4400 /prefetch:8
                          2⤵
                          • Suspicious behavior: EnumeratesProcesses
                          PID:6140
                        • 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=4428,i,17913807298817241139,8075472676115460768,524288 --field-trial-handle=2124,i,16681155541891212565,10056792811040413862,262144 --variations-seed-version=20260126-010020.760000 --mojo-platform-channel-handle=1080 /prefetch:8
                          2⤵
                            PID:2588
                          • 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=14 --metrics-shmem-handle=5680,i,11576606947899156401,16590940208687251495,2097152 --field-trial-handle=2124,i,16681155541891212565,10056792811040413862,262144 --variations-seed-version=20260126-010020.760000 --mojo-platform-channel-handle=5440 /prefetch:1
                            2⤵
                              PID:5748
                            • 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=15 --metrics-shmem-handle=5632,i,2916792643121998117,808679113245300014,2097152 --field-trial-handle=2124,i,16681155541891212565,10056792811040413862,262144 --variations-seed-version=20260126-010020.760000 --mojo-platform-channel-handle=5624 /prefetch:1
                              2⤵
                                PID:1340
                            • 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:5228
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                                1⤵
                                  PID:1456

                                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 efff9a7e27f6171b39acc106233f9ca54072fdb3dd9c7795013ab3ec27caa0e5
                                      • 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 264B
                                      • SHA256 6e0a7b99d04aaebd7462af7210cfb122f6e60e6c8457d9c586f1a26dd8b66a5c
                                      • 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 c2aa3a1f260a02adec464b38a7546da01e8fe2cfd3d839b5e34591a5f0917d19
                                      • 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 534d8e197e18e77589ae1baf8860ce2b46a73baf91d0f85d802862ce5654929e
                                      • 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 461d3d344d6650d6ed43e8224ef2232cdd2d50cc8f9a610be00c17fbe6699939
                                      • 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 843B
                                      • SHA256 273805c9548870f38d086898f4e74542af0ae3d74062f6fdadd1aedbd8527608
                                      • MD5 SHA1 SHA512 TLSH

                                      Preferences

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                      • Size 13KB
                                      • SHA256 a6f27762f6dc8fa4ef8849f947fe4fe38ecd120d04a6e8cb465de7ff978367d7
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      Preferences

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                      • Size 13KB
                                      • SHA256 767080066fda312f12cebfebd7264588f5277dfbb84f92e2e4d26ec8d9a9827c
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      Preferences

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                      • Size 12KB
                                      • SHA256 ea34b97b0a4e9b07bbeee826dd7cc17c47a1cc5ec5bdfb0e6807c53cc654b47b
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      Secure Preferences

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Secure Preferences
                                      • Size 17KB
                                      • SHA256 a8715b4ac91e3ca6caaa3d9f4d95c9546d6fa7c84824f6df89032443e4472b44
                                      • 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 7a5c7360411ea75320e329980cece0e050fd9fad3d1108b2477ed6ab4d30f4f4
                                      • MD5 SHA1 SHA512 TLSH

                                      the-real-index~RFe57f117.TMP

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Service Worker\ScriptCache\index-dir\the-real-index~RFe57f117.TMP
                                      • Size 96B
                                      • SHA256 181e448d76a4ce91555d9352ef8d8d6e857eef7814dec6880586174d39b77420
                                      • MD5 SHA1 SHA512 TLSH

                                      Local State

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                      • Size 86KB
                                      • SHA256 ee4f30ced4262fe1bf2a1196581ae43fb8bff123f25efa6b4377d6829ee6bf8b
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      Local State

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                      • Size 86KB
                                      • SHA256 f3c4c149cf32d3bd5750c158f559d0b05cd0b633471a090f069cc8f9be003ff3
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      Local State

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                      • Size 86KB
                                      • SHA256 95bcf9c31afc9b6513b3f11c13dcef0997c81672e37d2961e90299b483833200
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      Local State

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                      • Size 85KB
                                      • SHA256 6ea950f0fb5920efdd5922082d41aee5577cd08eb8d0d058ae0f47161740412d
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      Local State

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                      • Size 86KB
                                      • SHA256 fcc9a030ee27911ff1bae87a6552eda366d977121e04bce14a5aaf17a6cb3ef2
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      Local State

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                      • Size 86KB
                                      • SHA256 27d69fa565d19f616d7a7fd00c432048bf0390361a0b333e5e1b4fc383fbc475
                                      • MD5 SHA1 SHA512 SSDEEP TLSH