Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    28/05/2026, 19:55

General

  • Target
    grandcwel.webp
  • Size 23KB
  • Sample260528-ync54abz9q
  • SHA256 87ad97d24759db7d3edd97946f3e76d6eb70194cd0fc53b6535603bc3c0c262a
  • MD5 SHA1 SHA512 SSDEEP TLSH
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 1 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 17 IoCs

Processes

  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --single-argument C:\Users\Admin\AppData\Local\Temp\grandcwel.webp
    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:4940
    • 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,0x100,0x104,0xd8,0x108,0x7ffa8c4ec728,0x7ffa8c4ec734,0x7ffa8c4ec740
      2⤵
        PID:3288
      • 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=1960,i,2963743747371338181,2518687707052854401,524288 --field-trial-handle=3364,i,10618561189036219903,7531057047902220600,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=3456 /prefetch:11
        2⤵
        • System Time Discovery
        PID:924
      • 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=1648,i,17438702180048734271,1087550764327366499,262144 --field-trial-handle=3364,i,10618561189036219903,7531057047902220600,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=3380 /prefetch:2
        2⤵
          PID:2964
        • 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=2144,i,14079134175289224446,682917870447631899,524288 --field-trial-handle=3364,i,10618561189036219903,7531057047902220600,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=3808 /prefetch:13
          2⤵
            PID:1468
          • 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=2688,i,10204587298501916926,930068749247980632,2097152 --field-trial-handle=3364,i,10618561189036219903,7531057047902220600,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=3856 /prefetch:1
            2⤵
              PID:1804
            • 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=2692,i,5100575341781413693,7318076215373465285,2097152 --field-trial-handle=3364,i,10618561189036219903,7531057047902220600,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=3896 /prefetch:1
              2⤵
                PID:496
              • 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=3404,i,5379303807351849231,9591944462821429654,2097152 --field-trial-handle=3364,i,10618561189036219903,7531057047902220600,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=3916 /prefetch:9
                2⤵
                  PID:2956
                • 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=5268,i,6397262892733446332,12346108375328492683,524288 --field-trial-handle=3364,i,10618561189036219903,7531057047902220600,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=5272 /prefetch:14
                  2⤵
                    PID:584
                  • 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=5300,i,1952623592992175861,4997997106366022457,524288 --field-trial-handle=3364,i,10618561189036219903,7531057047902220600,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=5292 /prefetch:14
                    2⤵
                      PID:4852
                    • 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=5460,i,4487240189833930065,17865740663287364780,524288 --field-trial-handle=3364,i,10618561189036219903,7531057047902220600,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=5552 /prefetch:14
                      2⤵
                        PID:660
                      • 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=5456,i,4969461600193979172,14938313827066375764,524288 --field-trial-handle=3364,i,10618561189036219903,7531057047902220600,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=5284 /prefetch:14
                        2⤵
                          PID:1080
                        • 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=3932,i,13821426236950895157,2632784269430198744,262144 --field-trial-handle=3364,i,10618561189036219903,7531057047902220600,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=5424 /prefetch:10
                          2⤵
                          • Suspicious behavior: EnumeratesProcesses
                          PID:4428
                      • 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:3944
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                          1⤵
                            PID:3452

                          Network

                                MITRE ATT&CK Enterprise v16

                                Replay Monitor

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                                Downloads

                                5e47a404-e571-4df8-b448-b4c128a65f66.tmp

                                • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\5e47a404-e571-4df8-b448-b4c128a65f66.tmp
                                • Size 17KB
                                • SHA256 86a708718cf15f4439caa697f6058448e2b7016cb1cef9cd2e54315587d87208
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                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 649B
                                • SHA256 69be50c89091f542c717e3dbe1f93f9c494460914336c318841ce8016b841f8b
                                • MD5 SHA1 SHA512 TLSH

                                Network Persistent State

                                • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State
                                • Size 2KB
                                • SHA256 481c8dda83370db087a72d1b71afc58810ac62c99a936c65270dcda7d34878ec
                                • 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 e33034de1293982e2d835e7d96561d4f553fd830b515e0d16d5516500b963405
                                • 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 cb22eeee62dd64896f1edc54a294ad47a3e3824e1facba3cefe6bdd172273215
                                • MD5 SHA1 SHA512 TLSH

                                the-real-index~RFe58a4b7.TMP

                                • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Service Worker\ScriptCache\index-dir\the-real-index~RFe58a4b7.TMP
                                • Size 96B
                                • SHA256 8415d2a20c10e3f9e9c688a148bac8bf360f2ced1986824dce2a3bf6739e314a
                                • MD5 SHA1 SHA512 TLSH

                                Local State

                                • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                • Size 232KB
                                • SHA256 8c87c0c77409bd644a38bb8817a49394d72bebaedc8461de4eb6404ff63734a7
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                Local State

                                • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                • Size 232KB
                                • SHA256 329fe0bd43a631d7a8af40f0d80143f34cfe85cd71c54ccc19e2a7fa444a9b38
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                Local State

                                • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                • Size 233KB
                                • SHA256 6b87858d74ca661be236af7b7bf68a1b7b9e7e6dbccb29a5039c792dad6b0cda
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                Local State

                                • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                • Size 115KB
                                • SHA256 dfe1f5e41bf0455127d28e1938cc8e30133c26beef95e105cfb02a736091fc75
                                • MD5 SHA1 SHA512 SSDEEP TLSH