Analysis

  • user interaction
    yes
  • max time kernel
    899s
  • max time network
    871s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    08/08/2026, 03:13

General

  • Target
    $PLUGINSDIR/StartMenu.dll
  • Size 7KB
  • Sample260808-dqr2tagp4x
  • SHA256 fe330320459637d8dd2b5d84d07925c38ec264152ffd3b1760a4d44d76536caa
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
3/10

Malware Config

Signatures

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of SendNotifyMessage 16 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\StartMenu.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5236
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\StartMenu.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3976
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3976 -s 512
        3⤵
        • Program crash
        PID:1216
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3976 -ip 3976
    1⤵
      PID:1080
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe"
      1⤵
      • 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:2884
      • 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,0x100,0x104,0xd8,0x108,0x7ffba548c728,0x7ffba548c734,0x7ffba548c740
        2⤵
          PID:5084
        • 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=1620,i,13484652629021769624,5036861287849545932,262144 --field-trial-handle=2036,i,7438067304912009509,11607045397714367159,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=2032 /prefetch:2
          2⤵
            PID:2996
          • 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=1468,i,6249067713078334734,5305852885466934003,524288 --field-trial-handle=2036,i,7438067304912009509,11607045397714367159,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=2280 /prefetch:11
            2⤵
            • System Time Discovery
            PID:4628
          • 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=2372,i,8816082303656255954,187394616353038554,524288 --field-trial-handle=2036,i,7438067304912009509,11607045397714367159,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=2388 /prefetch:13
            2⤵
              PID:3924
            • 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=3256,i,6642780590726800033,10185142700702844570,2097152 --field-trial-handle=2036,i,7438067304912009509,11607045397714367159,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=3296 /prefetch:1
              2⤵
                PID:1708
              • 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=3476,i,6559067788509519663,9084299077637973947,2097152 --field-trial-handle=2036,i,7438067304912009509,11607045397714367159,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=3492 /prefetch:1
                2⤵
                  PID:4736
                • 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=4300,i,15963176170985529266,10127528231435728236,2097152 --field-trial-handle=2036,i,7438067304912009509,11607045397714367159,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=4308 /prefetch:9
                  2⤵
                    PID:700
                  • 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=4736,i,18289191791500157002,6289845189924100278,2097152 --field-trial-handle=2036,i,7438067304912009509,11607045397714367159,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=4740 /prefetch:1
                    2⤵
                      PID:5304
                    • 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=5512,i,1226413663302874654,6216242953136439158,524288 --field-trial-handle=2036,i,7438067304912009509,11607045397714367159,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=5520 /prefetch:14
                      2⤵
                        PID:5784
                      • 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=5916,i,14126551783449125930,7324986522346660593,524288 --field-trial-handle=2036,i,7438067304912009509,11607045397714367159,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=5912 /prefetch:14
                        2⤵
                          PID:724
                        • 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=5944,i,15633029424527791480,2307032327331756393,524288 --field-trial-handle=2036,i,7438067304912009509,11607045397714367159,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=5776 /prefetch:14
                          2⤵
                            PID:3608
                          • 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=5964,i,5849805759267092934,6385123335533722374,524288 --field-trial-handle=2036,i,7438067304912009509,11607045397714367159,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=5700 /prefetch:14
                            2⤵
                              PID:2044
                            • 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=1156,i,1197837491967978210,16786718797884934498,262144 --field-trial-handle=2036,i,7438067304912009509,11607045397714367159,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=5716 /prefetch:10
                              2⤵
                              • Suspicious behavior: EnumeratesProcesses
                              PID:5648
                            • 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=5700,i,6759636828235666307,9036030786768684198,524288 --field-trial-handle=2036,i,7438067304912009509,11607045397714367159,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=4676 /prefetch:14
                              2⤵
                                PID:3464
                            • 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:3808
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                                1⤵
                                  PID:2556

                                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 fb3bb60c7f43ea075db05c1eb18896dd477715a8e3d2b3af0d2d3a4974e117c5
                                      • 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 ad58fef1d28730a9cdff3c5f59b9343850110a2fb63a87ef21b63c7233f38f81
                                      • 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 fcd479500a467937e9ed87640b74bf2ffa12699737925df165e283f28dbabfc8
                                      • 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 ce87b473cc3278515fc2d982ddf5b02457ef34e22563a9aaeaf152862084b65b
                                      • 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 523B
                                      • SHA256 5e9f5c787452671c0174156fee46e67007b387ad7ecf4ac3a9e2076b4490dbc6
                                      • MD5 SHA1 SHA512 TLSH

                                      Preferences

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                      • Size 12KB
                                      • SHA256 560803dd2ba820604bd3e231e1c3b8126340ec582bbc51c3b5a1e48e8f6c05ab
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      Preferences

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                      • Size 13KB
                                      • SHA256 73479802dcb07292d3e2ab66370a62e262edb15211fa790dd4922397d508f410
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      Preferences

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                      • Size 12KB
                                      • SHA256 092b96876db795c982786c3058673527256273cc8e74a1795737143c5c77a0e7
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      Secure Preferences

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Secure Preferences
                                      • Size 17KB
                                      • SHA256 78f2b9e9ebc08798880cb4679beee8aef2e584a4e9691c5edb1c0165ca1273af
                                      • 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 89676419e0afe62beffc974cf3dc4464a2b63aa3dc316e68de6efb0ae24bcf10
                                      • MD5 SHA1 SHA512 TLSH

                                      the-real-index~RFe5b5a71.TMP

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Service Worker\ScriptCache\index-dir\the-real-index~RFe5b5a71.TMP
                                      • Size 96B
                                      • SHA256 e6cad89eee6003ce89a371da75df82c966614f4efe10b52f97cab2d997c18eea
                                      • MD5 SHA1 SHA512 TLSH

                                      Local State

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                      • Size 115KB
                                      • SHA256 a6118d3dc0cf8186ea5d2fce1964db96ebecebea4cd05970b6410a6002c06141
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      Local State

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                      • Size 236KB
                                      • SHA256 a6f85a1ea37dafd0a70f82ee4c85ac397f76be27bfd09d815eab44838d6b6261
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      Local State

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                      • Size 116KB
                                      • SHA256 b2c0dfe6cc8f6476fdd03847adb834c5888c632f47631e953401526ebcc8463d
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      Local State

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                      • Size 279KB
                                      • SHA256 9c6db6b2ed0fd1f644429097b6c29f03bff3812402cc39046043efc3e9896fe5
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      Local State

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                      • Size 237KB
                                      • SHA256 6cb5a3ea61367801dc71fb895f641edff26248bfdf3e32a97d9735aab45eabce
                                      • MD5 SHA1 SHA512 SSDEEP TLSH