Analysis

  • max time kernel
    26s
  • max time network
    20s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241023-es
  • resource tags

    arch:x64arch:x86image:win11-20241023-eslocale:es-esos:windows11-21h2-x64systemwindows
  • submitted
    18-12-2024 21:56

General

  • Target

    https://www.paypal.com/invoice/payerView/details/INV2-HL8J-VTHX-D8B6-N8WU?locale.x=en_US&v=1&utm_source=unp&utm_medium=email&utm_campaign=RT000238&utm_unptid=081dbb89-b96b-11ef-98ea-a1584904c289&ppid=RT000238&cnac=US&rsta=en_US%28en-US%29&unptid=081dbb89-b96b-11ef-98ea-a1584904c289&calc=6a7eedd94931e&unp_tpcid=invoice-buyer-notification&page=main%3Aemail%3ART000238&pgrp=main%3Aemail&e=cl&mchn=em&s=ci&mail=sys&appVersion=1.295.0&tenant_name=&xt=145585%2C134645%2C150948%2C104038&link_ref=details_inv2-hl8j-vthx-d8b6-n8wu

Malware Config

Signatures

  • Network Share Discovery 1 TTPs

    Attempt to gather information on host network.

  • Detected potential entity reuse from brand PAYPAL.
  • Drops file in Windows directory 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 50 IoCs
  • Suspicious use of FindShellTrayWindow 26 IoCs
  • Suspicious use of SendNotifyMessage 12 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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument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.paypal.com/invoice/payerView/details/INV2-HL8J-VTHX-D8B6-N8WU?locale.x=en_US&v=1&utm_source=unp&utm_medium=email&utm_campaign=RT000238&utm_unptid=081dbb89-b96b-11ef-98ea-a1584904c289&ppid=RT000238&cnac=US&rsta=en_US%28en-US%29&unptid=081dbb89-b96b-11ef-98ea-a1584904c289&calc=6a7eedd94931e&unp_tpcid=invoice-buyer-notification&page=main%3Aemail%3ART000238&pgrp=main%3Aemail&e=cl&mchn=em&s=ci&mail=sys&appVersion=1.295.0&tenant_name=&xt=145585%2C134645%2C150948%2C104038&link_ref=details_inv2-hl8j-vthx-d8b6-n8wu
    1⤵
    • Drops file in Windows directory
    • Enumerates system info in registry
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3100
    • 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=0xfc,0x100,0x104,0xd8,0x108,0x7ffe7a55cc40,0x7ffe7a55cc4c,0x7ffe7a55cc58
      2⤵
        PID:1348
      • 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=1712,i,3023383403156567014,14362241064936974123,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=1708 /prefetch:2
        2⤵
          PID:4180
        • 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=2020,i,3023383403156567014,14362241064936974123,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=2032 /prefetch:3
          2⤵
            PID:4524
          • 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=2164,i,3023383403156567014,14362241064936974123,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=2280 /prefetch:8
            2⤵
              PID:1368
            • 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=3076,i,3023383403156567014,14362241064936974123,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=3120 /prefetch:1
              2⤵
                PID:4648
              • 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=3084,i,3023383403156567014,14362241064936974123,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=3308 /prefetch:1
                2⤵
                  PID:2688
                • 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=7 --field-trial-handle=4452,i,3023383403156567014,14362241064936974123,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=4520 /prefetch:1
                  2⤵
                    PID:2172
                  • 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=4960,i,3023383403156567014,14362241064936974123,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=5004 /prefetch:8
                    2⤵
                      PID:3684
                  • 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:664
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                      1⤵
                        PID:4484

                      Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

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                      Downloads

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

                        Filesize

                        649B

                        MD5

                        bcee76d0c67b79262d912f6308ae5296

                        SHA1

                        ea8b8ee38c5c505e3651628225774d04b289512f

                        SHA256

                        e746abe0f25f8bcf30959dc51b41c4b454a85d683eb10b0f78efa3471bc3d157

                        SHA512

                        378c94b03410c288537847ca9122f5e00e05d092194cfd675d45568dd8b63c1850c5df5ebca0a4007ee3582f1749ef57b91efb83bd405ac7020438875736855f

                      • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Cache\Cache_Data\f_000010

                        Filesize

                        215KB

                        MD5

                        d79b35ccf8e6af6714eb612714349097

                        SHA1

                        eb3ccc9ed29830df42f3fd129951cb8b791aaf98

                        SHA256

                        c8459799169b81fdab64d028a9ebb058ea2d0ad5feb33a11f6a45a54a5ccc365

                        SHA512

                        f4be1c1e192a700139d7cff5059af81c0234ed5f032796036a1a4879b032ce4eedd16a121bbf776f17bc84a0012846f467ad48b46db4008841c25b779c7d8f5a

                      • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Code Cache\js\index-dir\the-real-index

                        Filesize

                        528B

                        MD5

                        02b73b84e6d94745913ffe71ee43c2e1

                        SHA1

                        7157d29aadcb5fb6a254ff3e859a241e53eb99ed

                        SHA256

                        ec32ec6255772961ebf88c2be06ac1f5047c78bd49682b54fe0569fd6ab53fec

                        SHA512

                        b8b86e60beab4e60e3e0ab7eb0def45ddcd149c97ab0d2a4b096aa3e8baecc17be36430da348b1adb556497bb1e1550b0528a1dca4146d7379a187d9605a06f8

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

                        Filesize

                        2KB

                        MD5

                        297dd4f79014333a28a334c9f097d4a6

                        SHA1

                        ddb85778939da7e458c5fb7fbaeeaaa5ad0133a0

                        SHA256

                        0cfedec1e670232b3760e38414ca9d278688a2f7f8f571393ba2730490505ace

                        SHA512

                        736a1d99a598ee0ee13df45d7a20a8be213cfa36fd54eba1533f900992c2bd2a56251f7c0b32dce9574cbd1354550427e71c95915fb2afcdcb75e43304a0ab4c

                      • 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\Network\TransportSecurity

                        Filesize

                        1KB

                        MD5

                        010f539a059c182c65e9d054a40ac001

                        SHA1

                        5f7c5a488c2d7b88b63d4b32fde292c6f5b428e2

                        SHA256

                        f48166d75d2883d6bb62815fc4381a7d430859c68d7c62ccc4fd62b6e71c5ccc

                        SHA512

                        c3e7482b43ee46334fdc5bd4c587e870561080fb16e39d8fa8f4fc1e772f93f256a0eb2008bf4dfbcdceb7c45e0448b8bc70f198b8595372eff20c929b837df7

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

                        Filesize

                        9KB

                        MD5

                        1a933755c0da5edb4107a0fbb792414d

                        SHA1

                        9d5198ea3cc2d9bd7821fa2e37959c9833cb3c51

                        SHA256

                        a7f4b081ed22692cea0de2380ef9eb36432264fa38d5c0efe83e24e1858b149c

                        SHA512

                        c706f0c3fed68001745fce5ffa8e68bb6f8087e852785d55921e2c0bbe861308c0c155a8ad9a9ba89136d4e4c8a6f67eb9349afc68f54cbeb29444cb86cffd83

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

                        Filesize

                        9KB

                        MD5

                        978ce53fefa36f10fc3105abde5a6204

                        SHA1

                        367573e8216b439833d399d9254e23da4322fd1f

                        SHA256

                        3940b158dc01634816c1331191cee7d9a74d552debfc4ad0b1035d81de7288fe

                        SHA512

                        7a971d5e59fcb9620b2b9725e9079a4078ea7b65cbf3010fa94441610cbe97b3f8832337d42f98738a2c8eaa15093d62253b09efc33b0b92d20ee89f6849af34

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

                        Filesize

                        118KB

                        MD5

                        0bb72cd33dd6c73eb369619e7ad943ab

                        SHA1

                        247ae725fe18309be1ff7eaf2038f7e98398878d

                        SHA256

                        a1b86144c2f4f29698663620d0803cb2291c8e60abfc03a8442d62e1bd2bbd2c

                        SHA512

                        4ed52f58be8404bc8543cf8fff5dd695917d4f3fc661b299e767e9329b85c11f6c8c7be3597d1e5137eb8e3a711ad42705bb7449633bd7804fc763e112381f71