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Analysis

  • max time kernel
    300s
  • max time network
    298s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/02/2023, 23:45

General

  • Target

    https://ftp.crd.com/Web%20Client/ListDir.htm

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Drops file in Program Files directory 7 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
  • Suspicious use of FindShellTrayWindow 26 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" https://ftp.crd.com/Web%20Client/ListDir.htm
    1⤵
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:704
    • 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=89.0.4389.114 --initial-client-data=0xfc,0x100,0x104,0x84,0x108,0x7ffa036f4f50,0x7ffa036f4f60,0x7ffa036f4f70
      2⤵
        PID:4620
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1572,17866110154768449948,4406412739645499100,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1592 /prefetch:2
        2⤵
          PID:5016
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=1572,17866110154768449948,4406412739645499100,131072 --lang=en-US --service-sandbox-type=network --mojo-platform-channel-handle=1984 /prefetch:8
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:644
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=1572,17866110154768449948,4406412739645499100,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2256 /prefetch:8
          2⤵
            PID:2128
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1572,17866110154768449948,4406412739645499100,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2948 /prefetch:1
            2⤵
              PID:3620
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1572,17866110154768449948,4406412739645499100,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2956 /prefetch:1
              2⤵
                PID:216
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1572,17866110154768449948,4406412739645499100,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4276 /prefetch:8
                2⤵
                  PID:4088
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1572,17866110154768449948,4406412739645499100,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4568 /prefetch:8
                  2⤵
                  • Suspicious behavior: EnumeratesProcesses
                  PID:2372
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1572,17866110154768449948,4406412739645499100,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4980 /prefetch:8
                  2⤵
                    PID:3476
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1572,17866110154768449948,4406412739645499100,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4348 /prefetch:8
                    2⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:2400
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1572,17866110154768449948,4406412739645499100,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4344 /prefetch:8
                    2⤵
                      PID:3788
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1572,17866110154768449948,4406412739645499100,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4512 /prefetch:8
                      2⤵
                        PID:432
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1572,17866110154768449948,4406412739645499100,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5056 /prefetch:8
                        2⤵
                          PID:1012
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1572,17866110154768449948,4406412739645499100,131072 --disable-gpu-compositing --lang=en-US --extension-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4448 /prefetch:1
                          2⤵
                            PID:2252
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1572,17866110154768449948,4406412739645499100,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5012 /prefetch:8
                            2⤵
                            • Suspicious behavior: EnumeratesProcesses
                            PID:1084
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1572,17866110154768449948,4406412739645499100,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2112 /prefetch:8
                            2⤵
                            • Suspicious behavior: EnumeratesProcesses
                            PID:4036
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1572,17866110154768449948,4406412739645499100,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1528 /prefetch:8
                            2⤵
                              PID:1744
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1572,17866110154768449948,4406412739645499100,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4844 /prefetch:8
                              2⤵
                              • Suspicious behavior: EnumeratesProcesses
                              PID:3648
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1572,17866110154768449948,4406412739645499100,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4368 /prefetch:8
                              2⤵
                                PID:2320
                              • C:\Program Files\Google\Chrome\Application\chrome.exe
                                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1572,17866110154768449948,4406412739645499100,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4460 /prefetch:8
                                2⤵
                                • Suspicious behavior: EnumeratesProcesses
                                PID:4536
                              • C:\Program Files\Google\Chrome\Application\chrome.exe
                                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1572,17866110154768449948,4406412739645499100,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2640 /prefetch:8
                                2⤵
                                  PID:3028
                                • C:\Program Files\Google\Chrome\Application\chrome.exe
                                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1572,17866110154768449948,4406412739645499100,131072 --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=10.0.19041.546 --gpu-preferences=SAAAAAAAAADoAAAwAAAAAAAAAAAAAAAAAABgAAAQAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=4468 /prefetch:2
                                  2⤵
                                  • Suspicious behavior: EnumeratesProcesses
                                  PID:4444
                                • C:\Program Files\Google\Chrome\Application\chrome.exe
                                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1572,17866110154768449948,4406412739645499100,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4460 /prefetch:8
                                  2⤵
                                    PID:3576
                                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1572,17866110154768449948,4406412739645499100,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2252 /prefetch:8
                                    2⤵
                                      PID:344
                                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1572,17866110154768449948,4406412739645499100,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2596 /prefetch:8
                                      2⤵
                                        PID:2216
                                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1572,17866110154768449948,4406412739645499100,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1548 /prefetch:8
                                        2⤵
                                          PID:1224
                                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1572,17866110154768449948,4406412739645499100,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4664 /prefetch:8
                                          2⤵
                                            PID:4156
                                        • C:\Windows\System32\CompPkgSrv.exe
                                          C:\Windows\System32\CompPkgSrv.exe -Embedding
                                          1⤵
                                            PID:1332
                                          • C:\Program Files\Google\Chrome\Application\89.0.4389.114\elevation_service.exe
                                            "C:\Program Files\Google\Chrome\Application\89.0.4389.114\elevation_service.exe"
                                            1⤵
                                            • Drops file in Program Files directory
                                            PID:1480
                                            • C:\Program Files\Google\Chrome\ChromeRecovery\scoped_dir1480_1363874833\ChromeRecovery.exe
                                              "C:\Program Files\Google\Chrome\ChromeRecovery\scoped_dir1480_1363874833\ChromeRecovery.exe" --appguid={8A69D345-D564-463c-AFF1-A69D9E530F96} --browser-version=89.0.4389.114 --sessionid={57bfa50a-9b92-44bd-a112-8c96e9690004} --system
                                              2⤵
                                              • Executes dropped EXE
                                              PID:3380

                                          Network

                                          MITRE ATT&CK Enterprise v6

                                          Replay Monitor

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                                          Downloads

                                          • C:\Program Files\Google\Chrome\ChromeRecovery\scoped_dir1480_1363874833\ChromeRecovery.exe

                                            Filesize

                                            253KB

                                            MD5

                                            49ac3c96d270702a27b4895e4ce1f42a

                                            SHA1

                                            55b90405f1e1b72143c64113e8bc65608dd3fd76

                                            SHA256

                                            82aa3fd6a25cda9e16689cfadea175091be010cecae537e517f392e0bef5ba0f

                                            SHA512

                                            b62f6501cb4c992d42d9097e356805c88ac4ac5a46ead4a8eee9f8cbae197b2305da8aab5b4a61891fe73951588025f2d642c32524b360687993f98c913138a0

                                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\RecoveryImproved\1.3.36.141\Recovery.crx3

                                            Filesize

                                            141KB

                                            MD5

                                            ea1c1ffd3ea54d1fb117bfdbb3569c60

                                            SHA1

                                            10958b0f690ae8f5240e1528b1ccffff28a33272

                                            SHA256

                                            7c3a6a7d16ac44c3200f572a764bce7d8fa84b9572dd028b15c59bdccbc0a77d

                                            SHA512

                                            6c30728cac9eac53f0b27b7dbe2222da83225c3b63617d6b271a6cfedf18e8f0a8dffa1053e1cbc4c5e16625f4bbc0d03aa306a946c9d72faa4ceb779f8ffcaf