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Analysis

  • max time kernel
    175s
  • max time network
    186s
  • platform
    windows11-21h2_x64
  • resource
    win11-20231215-en
  • resource tags

    arch:x64arch:x86image:win11-20231215-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    10/01/2024, 22:42

General

  • Target

    http://aus-taxrefund.pro/access/

Score
1/10

Malware Config

Signatures

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 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" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --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=106.0.5249.119 --initial-client-data=0x100,0x104,0x108,0x80,0x10c,0x7ffc72af9758,0x7ffc72af9768,0x7ffc72af9778
    1⤵
      PID:4848
    • 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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument http://aus-taxrefund.pro/access/
      1⤵
      • 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:2592
      • 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=utility --mojo-platform-channel-handle=2132 --field-trial-handle=1284,i,15232256191243491006,341341093346669577,131072 /prefetch:8
        2⤵
          PID:124
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3056 --field-trial-handle=1284,i,15232256191243491006,341341093346669577,131072 /prefetch:1
          2⤵
            PID:3784
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2920 --field-trial-handle=1284,i,15232256191243491006,341341093346669577,131072 /prefetch:1
            2⤵
              PID:2872
            • 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 --mojo-platform-channel-handle=2088 --field-trial-handle=1284,i,15232256191243491006,341341093346669577,131072 /prefetch:8
              2⤵
                PID:4976
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1700 --field-trial-handle=1284,i,15232256191243491006,341341093346669577,131072 /prefetch:2
                2⤵
                  PID:3928
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=4572 --field-trial-handle=1284,i,15232256191243491006,341341093346669577,131072 /prefetch:1
                  2⤵
                    PID:4788
                  • 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 --mojo-platform-channel-handle=5068 --field-trial-handle=1284,i,15232256191243491006,341341093346669577,131072 /prefetch:8
                    2⤵
                      PID:2428
                    • 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 --mojo-platform-channel-handle=3156 --field-trial-handle=1284,i,15232256191243491006,341341093346669577,131072 /prefetch:8
                      2⤵
                        PID:2660
                      • 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=4318 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.22000.1 --gpu-preferences=UAAAAAAAAADoAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAACQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1644 --field-trial-handle=1284,i,15232256191243491006,341341093346669577,131072 /prefetch:2
                        2⤵
                        • Suspicious behavior: EnumeratesProcesses
                        PID:3220
                    • C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
                      "C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
                      1⤵
                        PID:1872

                      Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

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                      Downloads

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

                        Filesize

                        72B

                        MD5

                        1fbb39b55c460581d32c3deaa20ed170

                        SHA1

                        46a5ecff5a7b1be4d93d7eae24cb55911071dd74

                        SHA256

                        4a5d588084b8f565bc7683dc35b16626b26ea4b947e15004382d831eead0967f

                        SHA512

                        ba5bf2ccaafa67deb0fe7c87fde95a9a1802f0c6495a173b7f119e1e8b17587ff1fbee4330d920dc75d05ea4e429344d7f8260d8ad27eeded7d6cd5371606a74

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

                        Filesize

                        1KB

                        MD5

                        aee4d2a63b2fbc04ec27f2a42f851f87

                        SHA1

                        2b32ee27cea0c9344e2adbad8c5c74c25dbab963

                        SHA256

                        2069e4cb49e516abed9bbc0f8251b7142f7860d31235c88a2131bed03dc7b297

                        SHA512

                        491971d730a738d2bda58995092a882fa44e3a3dde5820807b6e82ef9adcf35e56af0ac889a4bb0c7ce7c3df1d303b082c466ad867c201f51d555b8af9899329

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

                        Filesize

                        6KB

                        MD5

                        29d9974900a3ddc9112099efff782c1d

                        SHA1

                        d1da878f587f540c117ee3dd1ab5af7f6cd69a4b

                        SHA256

                        c59d08989702d8accc2553089be541e08f2c0a1a0c889b72dbe28decd6743f02

                        SHA512

                        3aa9fcaeef727b2638346bae78923741edba87e8e376ed8effebc34bbe088b1fceb2c11b994d6e5eaf4221ce48b21965508fc9373980a33edda6e69436503a21

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

                        Filesize

                        114KB

                        MD5

                        616c994d3ab21361c73789837e0b646c

                        SHA1

                        f78f5202a5c19c778b3fa3ff802c4decd0f57d57

                        SHA256

                        3566ce22988d8847fe7226fa8ef8da6196b42629c6d661ba5393922c9ac1d73f

                        SHA512

                        2fac1b182336e94230b2da37bb7ed29b601f53103812effeaddbeb2735c47aadc46fb504f4f32a4fac875e5da58192f7f6af778cd2c9f73977206c97c953d5f4

                      • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\persisted_first_party_sets.json

                        Filesize

                        2B

                        MD5

                        99914b932bd37a50b983c5e7c90ae93b

                        SHA1

                        bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

                        SHA256

                        44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

                        SHA512

                        27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd