Analysis

  • max time kernel
    899s
  • max time network
    859s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • 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.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of SendNotifyMessage 16 IoCs
  • Suspicious use of WriteProcessMemory 19 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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://isoriver.com/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
    • 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:1436
    • 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=0xfc,0x100,0x104,0xd8,0x108,0x7ffa8a29c728,0x7ffa8a29c734,0x7ffa8a29c740
      2⤵
        PID:1548
      • 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=1880,i,2638220037999413232,8993878541439049446,524288 --field-trial-handle=2072,i,17891925860294074345,18053441480688065663,262144 --variations-seed-version=20260129-170056.646000 --mojo-platform-channel-handle=2100 /prefetch:11
        2⤵
        • System Time Discovery
        PID:2984
      • 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=1568,i,2820717345105612645,1684103535625405409,262144 --field-trial-handle=2072,i,17891925860294074345,18053441480688065663,262144 --variations-seed-version=20260129-170056.646000 --mojo-platform-channel-handle=2068 /prefetch:2
        2⤵
          PID:2400
        • 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=2364,i,12350772402154098586,3476210809790820026,524288 --field-trial-handle=2072,i,17891925860294074345,18053441480688065663,262144 --variations-seed-version=20260129-170056.646000 --mojo-platform-channel-handle=2376 /prefetch:13
          2⤵
            PID:2868
          • 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=3172,i,16653733458883322959,12467851955258588794,2097152 --field-trial-handle=2072,i,17891925860294074345,18053441480688065663,262144 --variations-seed-version=20260129-170056.646000 --mojo-platform-channel-handle=3212 /prefetch:1
            2⤵
              PID:3996
            • 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=3020,i,3341509229898791542,3423049315374231080,2097152 --field-trial-handle=2072,i,17891925860294074345,18053441480688065663,262144 --variations-seed-version=20260129-170056.646000 --mojo-platform-channel-handle=3248 /prefetch:1
              2⤵
                PID:4132
              • 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=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --metrics-shmem-handle=4188,i,6665264304016013479,8499601123557971286,2097152 --field-trial-handle=2072,i,17891925860294074345,18053441480688065663,262144 --variations-seed-version=20260129-170056.646000 --mojo-platform-channel-handle=4212 /prefetch:9
                2⤵
                  PID:4248
                • 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=5708,i,15500979104017383841,10097133702213499049,524288 --field-trial-handle=2072,i,17891925860294074345,18053441480688065663,262144 --variations-seed-version=20260129-170056.646000 --mojo-platform-channel-handle=5716 /prefetch:14
                  2⤵
                    PID:2164
                  • 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,16648256412463575459,6238082335514800206,524288 --field-trial-handle=2072,i,17891925860294074345,18053441480688065663,262144 --variations-seed-version=20260129-170056.646000 --mojo-platform-channel-handle=5812 /prefetch:14
                    2⤵
                      PID:3500
                    • 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=5756,i,2478648481141298601,13016800037400736276,524288 --field-trial-handle=2072,i,17891925860294074345,18053441480688065663,262144 --variations-seed-version=20260129-170056.646000 --mojo-platform-channel-handle=4504 /prefetch:14
                      2⤵
                        PID:3312
                      • 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=5804,i,1906319465961609426,7450755754983233122,524288 --field-trial-handle=2072,i,17891925860294074345,18053441480688065663,262144 --variations-seed-version=20260129-170056.646000 --mojo-platform-channel-handle=5008 /prefetch:14
                        2⤵
                          PID:5048
                        • 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=10.0.22000.1 --force-high-res-timeticks=disabled --gpu-preferences=SAAAAAAAAADoAAAIAAAAAAAAAAAAAGAAAQAAAAAAAACEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAABAAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --metrics-shmem-handle=5388,i,232061318540828798,927810936555529406,262144 --field-trial-handle=2072,i,17891925860294074345,18053441480688065663,262144 --variations-seed-version=20260129-170056.646000 --mojo-platform-channel-handle=5068 /prefetch:10
                          2⤵
                          • Suspicious behavior: EnumeratesProcesses
                          PID:4556
                        • 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=1492,i,14247561230664789562,7559315734878072557,524288 --field-trial-handle=2072,i,17891925860294074345,18053441480688065663,262144 --variations-seed-version=20260129-170056.646000 --mojo-platform-channel-handle=5388 /prefetch:14
                          2⤵
                            PID:2912
                        • 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:2548
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                            1⤵
                              PID:2180

                            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 076565045835c9922b8ac5d545c36825da6ff3a7159f6af5b260cda149f97b7e
                                  • 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 0a3eab722712f9b65bf2a7edd3afb309a656ebd02f4ab4779dc4501f80028b3c
                                  • 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 317be60f9c9a2934209c8178e9311bd23d9b749ae7a560802733fe62336dbc5c
                                  • 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 1d2b5d40d66da39461f885e7a72762abc460a0dabe30164e7845524c906fb34a
                                  • MD5 SHA1 SHA512 TLSH

                                  Network Persistent State

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State
                                  • Size 4KB
                                  • SHA256 d43b595cd2b672ba6d999218e67632d3944407c54eb030932dbb8615de44fbf0
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  Network Persistent State

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State
                                  • Size 4KB
                                  • SHA256 6fdf0e2f70114b03a0bc500337027d5d4e93d6758c7ab588248044052e1486bc
                                  • 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

                                  TransportSecurity

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity
                                  • Size 851B
                                  • SHA256 3a1dc71fe88648f5bea97467306ce814c0774a0d055b23d69fee15a24c4380cf
                                  • MD5 SHA1 SHA512 TLSH

                                  Preferences

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                  • Size 12KB
                                  • SHA256 d75a3cfe7344f9278519a48e53e0c351bd3c71c9ea6bae43c2ef7247d0e4e1ed
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  Preferences

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                  • Size 13KB
                                  • SHA256 51d9e8378bea6b1dc67d622f2bd5b9fb24bd2e5889913f4dc5ca3de57ad39a33
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  Secure Preferences

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Secure Preferences
                                  • Size 17KB
                                  • SHA256 5ab444414a02d4891c7cbb4db3735bec720facb3265bdedc915a68f6beef1cd9
                                  • 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 059587de88887f637eeb5eb44f4885e6b770aebdbc261bf69ac459fa2b938691
                                  • MD5 SHA1 SHA512 TLSH

                                  the-real-index~RFe58940d.TMP

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Service Worker\ScriptCache\index-dir\the-real-index~RFe58940d.TMP
                                  • Size 96B
                                  • SHA256 9b9f357cd45cf82a59697f73287f8575fbdc2e290882430a9fc33a6f9110725f
                                  • MD5 SHA1 SHA512 TLSH

                                  Local State

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                  • Size 91KB
                                  • SHA256 3641e5f620e86c07ab832d2a7929cd754da5719b0556219cbdafb3ba467eede7
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  Local State

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                  • Size 91KB
                                  • SHA256 fd8cee772bac50f1b3b6960c43b2806a2b8236259aebbcf95f4732c9bae0f940
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  Local State

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                  • Size 91KB
                                  • SHA256 42e3c8b6f9784e620a872d8091036c733c707822ae045719bd2b41b80353cbf3
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  Local State

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                  • Size 91KB
                                  • SHA256 607046f0529628906dd76fb91bcc6cc3f76b7495acb6655ed23498480ba44c08
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  Local State

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                  • Size 90KB
                                  • SHA256 eeeb241f9ec26192b21ebb277aed4c1b14ab58fb94b6265f9140aa37854a1834
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  memory/2180-180-0x00000269D1480000-0x00000269D151E000-memory.dmp

                                  memory/2180-105-0x00000269D1480000-0x00000269D151E000-memory.dmp