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Analysis

  • max time kernel
    27s
  • max time network
    12s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/10/2024, 16:53

General

  • Target

    https://www.pdfskillsapp.com/%3Fcampaign_id%3D21646771397%26adgroup_id%3D161873772890%26placement_id%3Dhealthyfamilyproject.com%26creative_id%3D714556735360%26utm_source%3Dgoogle_b2c%26gad_source%3D5%26gclid%3DEAIaIQobChMI8-fisY6BiQMVCibQBB076ROcEAEYASAAEgJIVPD_BwE

Score
3/10

Malware Config

Signatures

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies registry class 2 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 54 IoCs
  • Suspicious use of FindShellTrayWindow 33 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of SetWindowsHookEx 9 IoCs
  • Suspicious use of WriteProcessMemory 64 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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument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://www.pdfskillsapp.com/%3Fcampaign_id%3D21646771397%26adgroup_id%3D161873772890%26placement_id%3Dhealthyfamilyproject.com%26creative_id%3D714556735360%26utm_source%3Dgoogle_b2c%26gad_source%3D5%26gclid%3DEAIaIQobChMI8-fisY6BiQMVCibQBB076ROcEAEYASAAEgJIVPD_BwE
    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:112
    • 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=123.0.6312.123 --initial-client-data=0xf8,0xfc,0x100,0xd4,0x104,0x7ffeba13cc40,0x7ffeba13cc4c,0x7ffeba13cc58
      2⤵
        PID:3304
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAEAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=1912,i,13218960804833750398,13632330227844237449,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=1908 /prefetch:2
        2⤵
          PID:576
        • 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-appcompat-clear --field-trial-handle=1992,i,13218960804833750398,13632330227844237449,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2156 /prefetch:3
          2⤵
            PID:3680
          • 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 --no-appcompat-clear --field-trial-handle=2220,i,13218960804833750398,13632330227844237449,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2388 /prefetch:8
            2⤵
              PID:4504
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --field-trial-handle=3108,i,13218960804833750398,13632330227844237449,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3136 /prefetch:1
              2⤵
                PID:4000
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --field-trial-handle=3124,i,13218960804833750398,13632330227844237449,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3172 /prefetch:1
                2⤵
                  PID:3008
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --lang=en-US --service-sandbox-type=none --no-appcompat-clear --field-trial-handle=4556,i,13218960804833750398,13632330227844237449,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4788 /prefetch:8
                  2⤵
                  • NTFS ADS
                  PID:4772
                • 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 --no-appcompat-clear --field-trial-handle=5020,i,13218960804833750398,13632330227844237449,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=5036 /prefetch:8
                  2⤵
                    PID:1668
                • C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe
                  "C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe"
                  1⤵
                    PID:1756
                  • C:\Windows\system32\svchost.exe
                    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                    1⤵
                      PID:2076
                    • C:\Windows\system32\OpenWith.exe
                      C:\Windows\system32\OpenWith.exe -Embedding
                      1⤵
                      • Modifies registry class
                      • Suspicious use of SetWindowsHookEx
                      PID:864

                    Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

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                    Downloads

                    • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports

                      Filesize

                      2B

                      MD5

                      d751713988987e9331980363e24189ce

                      SHA1

                      97d170e1550eee4afc0af065b78cda302a97674c

                      SHA256

                      4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

                      SHA512

                      b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

                    • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

                      Filesize

                      8KB

                      MD5

                      38ebd4c302e1b744c9ee513c4f227930

                      SHA1

                      bf9f614e8f83b3dccbf0d4a4df519f81d50a6d13

                      SHA256

                      9e7bfa250d1c2c2696d0292a138df0b033c403718b33d76498a5c6874872b22a

                      SHA512

                      02e5584f00467dea0ae1b55c703f77f7cf05dee4953d8c0bb27522964dc196f08e5ec28fa398b5116a115c97a68d72de8de14b0150c7a10af457e537014cb660

                    • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

                      Filesize

                      8KB

                      MD5

                      0d09e69c7a2f767aa43440cfce7dc17e

                      SHA1

                      ed8b4393b79819127178e7ebe5784d8559b99e9e

                      SHA256

                      3ccadc2dd9b9eef7133367bffff118de2b9b17aff38133933a8f27ab553a65fe

                      SHA512

                      02b0356200067a633bf36a428ec0e3ea0b4135aa7f99753c409870e5f99517c29ea6796dc7d54357c4b864c55d49d9bca5c7619c6809a5f4f4b16ec395021e2c

                    • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State

                      Filesize

                      116KB

                      MD5

                      c1dc1ec339ca97050dcfc7acdea1d8c5

                      SHA1

                      e47af3bc3314519b351b2a11063223db1878162d

                      SHA256

                      30804ee41ef2b8b2c489ac7d2b80f64431741b0ccda4426b188eff2b6e80b44d

                      SHA512

                      e405da71eb21cd53edf77d18f71f3047c75199460485c02cde3c9f6670c909e84238b3db5e44812d0b13e0b41454039f0ebbfdf8a9fa12f4008f9d7e1c391ae2