Analysis

  • user interaction
    yes
  • max time kernel
    300s
  • max time network
    297s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260911-en
  • resource tags

    arch:x64arch:x86image:win11-20260911-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    06/10/2026, 21:07

General

  • Target
    https://rail-checkin.com/
  • Sample261006-zylewsvx2n
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.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 4 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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://rail-checkin.com/
    1⤵
    • Enumerates system info in registry
    • 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:4016
    • 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,0x100,0x104,0xd8,0x108,0x7ff8b3c3c728,0x7ff8b3c3c734,0x7ff8b3c3c740
      2⤵
        PID:4400
      • 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=1760,i,10104219362248386271,2593514103685352555,524288 --field-trial-handle=1984,i,17712148508290009511,5707318878986526165,262144 --variations-seed-version=20260911-090036.930000-production --mojo-platform-channel-handle=2092 /prefetch:11
        2⤵
        • System Time Discovery
        PID:1532
      • 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=1588,i,11458825745931827213,1375709107857544434,262144 --field-trial-handle=1984,i,17712148508290009511,5707318878986526165,262144 --variations-seed-version=20260911-090036.930000-production --mojo-platform-channel-handle=1980 /prefetch:2
        2⤵
          PID:1812
        • 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=2276,i,15770605189776441194,4052146546782251889,524288 --field-trial-handle=1984,i,17712148508290009511,5707318878986526165,262144 --variations-seed-version=20260911-090036.930000-production --mojo-platform-channel-handle=2688 /prefetch:13
          2⤵
            PID:5184
          • 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,1996333186315023843,7609958281845053366,2097152 --field-trial-handle=1984,i,17712148508290009511,5707318878986526165,262144 --variations-seed-version=20260911-090036.930000-production --mojo-platform-channel-handle=3160 /prefetch:1
            2⤵
              PID:4900
            • 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=3168,i,4363049756551494303,15999666175078119021,2097152 --field-trial-handle=1984,i,17712148508290009511,5707318878986526165,262144 --variations-seed-version=20260911-090036.930000-production --mojo-platform-channel-handle=3200 /prefetch:1
              2⤵
                PID:5128
              • 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=4332,i,14155073834763452982,17867624854674833973,2097152 --field-trial-handle=1984,i,17712148508290009511,5707318878986526165,262144 --variations-seed-version=20260911-090036.930000-production --mojo-platform-channel-handle=4308 /prefetch:9
                2⤵
                  PID:5688
                • 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=5392,i,17187072619848093805,9351730527284729308,524288 --field-trial-handle=1984,i,17712148508290009511,5707318878986526165,262144 --variations-seed-version=20260911-090036.930000-production --mojo-platform-channel-handle=5332 /prefetch:14
                  2⤵
                    PID:3256
                  • 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=5632,i,7718959176378630390,8006115724297983066,524288 --field-trial-handle=1984,i,17712148508290009511,5707318878986526165,262144 --variations-seed-version=20260911-090036.930000-production --mojo-platform-channel-handle=4820 /prefetch:14
                    2⤵
                      PID:5328
                    • 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=5628,i,6720699393848478967,12593718346667694696,524288 --field-trial-handle=1984,i,17712148508290009511,5707318878986526165,262144 --variations-seed-version=20260911-090036.930000-production --mojo-platform-channel-handle=5648 /prefetch:14
                      2⤵
                        PID:2260
                      • 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=5332,i,14304515181279413176,984387946420809036,524288 --field-trial-handle=1984,i,17712148508290009511,5707318878986526165,262144 --variations-seed-version=20260911-090036.930000-production --mojo-platform-channel-handle=5688 /prefetch:14
                        2⤵
                          PID:6000
                        • 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=5312,i,10419671462379438030,16035184941350804073,262144 --field-trial-handle=1984,i,17712148508290009511,5707318878986526165,262144 --variations-seed-version=20260911-090036.930000-production --mojo-platform-channel-handle=5328 /prefetch:10
                          2⤵
                          • Suspicious behavior: EnumeratesProcesses
                          PID:4392
                        • 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=4300,i,12360620061398810414,2040881609402485022,524288 --field-trial-handle=1984,i,17712148508290009511,5707318878986526165,262144 --variations-seed-version=20260911-090036.930000-production --mojo-platform-channel-handle=5328 /prefetch:14
                          2⤵
                            PID:4416
                        • 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:3240
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                            1⤵
                              PID:5520

                            Network

                                  MITRE ATT&CK Enterprise v16

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  53c21f5b-233e-41ca-9307-04cff95527bf.tmp

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\53c21f5b-233e-41ca-9307-04cff95527bf.tmp
                                  • Size 132KB
                                  • SHA256 cfc8908f28ec11248a754601a34248ddcbd5ef74985e842ce1d7d0c62eca748d
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  0941aff8-2503-4525-b086-24675cadac25.tmp

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\0941aff8-2503-4525-b086-24675cadac25.tmp
                                  • Size 12KB
                                  • SHA256 bb55fc75a91f284b512cec6bdb09781a57325b0b874c92179c580886d2b9907d
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  43f5c262-838e-49c5-a321-fe14889c1bcc.tmp

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\43f5c262-838e-49c5-a321-fe14889c1bcc.tmp
                                  • Size 12KB
                                  • SHA256 b454981ebf9f874dd5b33949903c205f66f68cfb0fa2ddb92cbd8d2b9ffb8265
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  6bfeb77b-9ccc-43e6-9a61-05081574f9ce.tmp

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\6bfeb77b-9ccc-43e6-9a61-05081574f9ce.tmp
                                  • Size 17KB
                                  • SHA256 52faa1c0a2c145f24cb6bf0e4a48b0237ba969495c82d742d374c6759b4dc290
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  7f5eceab-0f5c-45bc-89d9-77e74bd40d11.tmp

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\7f5eceab-0f5c-45bc-89d9-77e74bd40d11.tmp
                                  • Size 649B
                                  • SHA256 4704f741739f464b3e6b7bb8ad4c2f7eb366d97dd9cb611401a5fbfdcc526c99
                                  • MD5 SHA1 SHA512 TLSH

                                  temp-index

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Code Cache\js\index-dir\temp-index
                                  • Size 192B
                                  • SHA256 45988a54a4d54f6b88c920892fff3208d461400180f3e65f3a9be999c0ee76fa
                                  • MD5 SHA1 SHA512 TLSH

                                  2d3df70a-270f-482f-99f3-46794cbd2712.tmp

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\2d3df70a-270f-482f-99f3-46794cbd2712.tmp
                                  • Size 2B
                                  • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                                  • MD5 SHA1 SHA512

                                  dfcdbffc-2dd9-4dc8-9777-88cd94f5aaff.tmp

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\dfcdbffc-2dd9-4dc8-9777-88cd94f5aaff.tmp
                                  • Size 3KB
                                  • SHA256 b22517563dd500cc769f69159fdc0e86054a8d4a4fd8efe2adf785503edee1af
                                  • MD5 SHA1 SHA512 TLSH

                                  temp-index

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Service Worker\ScriptCache\index-dir\temp-index
                                  • Size 120B
                                  • SHA256 4f32eab1d8ec13f78571d6c3e129c47bcbeb37f655535e742caef37c98963a8d
                                  • MD5 SHA1 SHA512 TLSH

                                  the-real-index

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Service Worker\ScriptCache\index-dir\the-real-index
                                  • Size 96B
                                  • SHA256 c2559a069cf98cbed2b404e7b523328edfd65361ab3bfe17039c461105d05950
                                  • MD5 SHA1 SHA512 TLSH

                                  db310715-8ed9-4874-aa3c-08277bf185dc.tmp

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\db310715-8ed9-4874-aa3c-08277bf185dc.tmp
                                  • Size 6B
                                  • SHA256 4489f9e3e454748b3521eb214e0a5694d562cff3d9ff511cb456953c8f534c00
                                  • MD5 SHA1 SHA512

                                  e4b7250f-6b25-4210-ac0d-37616a90717b.tmp

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\e4b7250f-6b25-4210-ac0d-37616a90717b.tmp
                                  • Size 13KB
                                  • SHA256 e9476cb1c38f064fde53e5b0707e612ce6cfef7ed85fac88052db38fe25660cb
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  a85a0b02-752d-48b6-9e70-d03f9f0c6671.tmp

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\a85a0b02-752d-48b6-9e70-d03f9f0c6671.tmp
                                  • Size 132KB
                                  • SHA256 22e00cc3f3829e4c7fa082b8a34d516d510d2b75756f7231a2466918bd993944
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  c22b9554-957c-409f-8ccc-cd8655665a3b.tmp

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\c22b9554-957c-409f-8ccc-cd8655665a3b.tmp
                                  • Size 132KB
                                  • SHA256 f236a81b79fad689f1e502141cbc8c24453eaa76502f93b67a7aeec5125f2c93
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  dde10d06-f8e7-426e-8785-18c3f92e6012.tmp

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\dde10d06-f8e7-426e-8785-18c3f92e6012.tmp
                                  • Size 131KB
                                  • SHA256 5feef04c9085ec242bb10fa520c8df92b01d38698187208c60e02475e9417ec3
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  ef7c6c02-67c4-4ea9-9b93-d270da68352a.tmp

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\ef7c6c02-67c4-4ea9-9b93-d270da68352a.tmp
                                  • Size 132KB
                                  • SHA256 95d66defecc2fb47f564db875d91c56afe4033c099ea8d5230ee3d8f9f311446
                                  • MD5 SHA1 SHA512 SSDEEP TLSH