Analysis

  • user interaction
    yes
  • max time kernel
    149s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    28/08/2026, 21:49

General

  • Target
    WalshComboMaker/WebView2Loader.dll
  • Size 156KB
  • Sample260828-1ppxdsec29
  • SHA256 8427b1fc58ec707813e5c0a51eb5d69397bb333250a7b891be4d3b123f1e0f1c
  • MD5 SHA1 SHA512 SSDEEP TLSH
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.

  • 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 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 35 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\WalshComboMaker\WebView2Loader.dll,#1
    1⤵
      PID:4048
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:2012
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe"
        1⤵
        • 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:3044
        • 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=0x118,0x11c,0x120,0xf4,0x124,0x7ffe7663c728,0x7ffe7663c734,0x7ffe7663c740
          2⤵
            PID:3608
          • 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,6331930065620674679,3198602914561364670,262144 --field-trial-handle=2020,i,10994518301473586729,11762521794579508690,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=2016 /prefetch:2
            2⤵
              PID:3552
            • 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=2160,i,12236798034040653441,12316312000735735969,524288 --field-trial-handle=2020,i,10994518301473586729,11762521794579508690,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=2196 /prefetch:3
              2⤵
              • System Time Discovery
              PID:4184
            • 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=2412,i,4515902570570503653,1160438036942857377,524288 --field-trial-handle=2020,i,10994518301473586729,11762521794579508690,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=2420 /prefetch:8
              2⤵
                PID:3236
              • 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=3184,i,8950661829612821749,13110829626402318509,2097152 --field-trial-handle=2020,i,10994518301473586729,11762521794579508690,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=3196 /prefetch:1
                2⤵
                  PID:3304
                • 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=3264,i,18218606629682672681,16614526377567069900,2097152 --field-trial-handle=2020,i,10994518301473586729,11762521794579508690,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=3300 /prefetch:1
                  2⤵
                    PID:2872
                  • 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=7 --metrics-shmem-handle=4572,i,16831358334244242919,2800531377828140488,2097152 --field-trial-handle=2020,i,10994518301473586729,11762521794579508690,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=4592 /prefetch:1
                    2⤵
                      PID:2952
                    • 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=5376,i,9008941295556677943,16688316833432061107,524288 --field-trial-handle=2020,i,10994518301473586729,11762521794579508690,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=5348 /prefetch:8
                      2⤵
                        PID:3532
                      • 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=5476,i,17917018019286707384,7713134942139180885,524288 --field-trial-handle=2020,i,10994518301473586729,11762521794579508690,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=5636 /prefetch:8
                        2⤵
                          PID:2636
                        • 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=5672,i,10309208911619937400,12380014859165555033,524288 --field-trial-handle=2020,i,10994518301473586729,11762521794579508690,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=5728 /prefetch:8
                          2⤵
                            PID:5008
                          • 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=5684,i,16788846917159836434,9193083123941674178,524288 --field-trial-handle=2020,i,10994518301473586729,11762521794579508690,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=5384 /prefetch:8
                            2⤵
                              PID:4948
                          • 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:4144
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                              1⤵
                                PID:1272

                              Network

                                    MITRE ATT&CK Enterprise v16

                                    Replay Monitor

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                                    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 89c0c22e3fd44076c001a8c5647c74906dbad4d5e7d510315f46189105329817
                                    • 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 4cbfa7ca6fc7069bc661300913cdd2772d7325e8fb037adaa5023521411e984c
                                    • 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 426d8085eae3bdb3a81d822d983e3fd9e2c572658639adc44e94cfae356aace3
                                    • MD5 SHA1 SHA512 TLSH

                                    Preferences

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                    • Size 12KB
                                    • SHA256 f8d62049f7fa9a98ecf4734d8b65806d48f996f742ad1bbb13cbd236f3261fc3
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    Preferences

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                    • Size 12KB
                                    • SHA256 b54f0c4f51ec06113c39f5d8274086203e3847f8b1c671508d925eb46a727892
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    Preferences

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                    • Size 11KB
                                    • SHA256 7bd6c98bdcc4ef44bdf8c2d4945f85f776551fc6d09998a482ca8d565f80f53e
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    Secure Preferences

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Secure Preferences
                                    • Size 13KB
                                    • SHA256 3426e293396fa1424a09f9423424627a398157ab7bfc3ec06964ae1df493a1c5
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    Local State

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                    • Size 282KB
                                    • SHA256 db8dc8a90d47c7b01fbe931b1dca19476527ab25043fa03e417af0b5b867c386
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    Local State

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                    • Size 241KB
                                    • SHA256 b6370a70108b3ee0544c9ca3baa6e5be8b2a829b6928b88bc75ad8b49307a281
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    Local State

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                    • Size 115KB
                                    • SHA256 d254041e1b9d8a67811fed9423c2bb480c9bc4ecff26d787856ce026f40e2128
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    Local State

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                    • Size 241KB
                                    • SHA256 7fb81534ab46f7872707971b7b4fb7cc302a38376780a793e80980405abf5256
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    data_1

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\ShaderCache\data_1
                                    • Size 264KB
                                    • SHA256 94be134767d9bec805a3d8591bd9895ea3074b442e5147625fd8ecf853a54c88
                                    • MD5 SHA1 SHA512 SSDEEP TLSH