Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/10/2022, 22:44

General

  • Target
    http://growch.info
  • Sample221031-2n3brsdha5
Score
8/10

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 8 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" http://growch.info
    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:2328
    • 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=0x100,0x104,0x108,0xfc,0xd8,0x7ffc2f674f50,0x7ffc2f674f60,0x7ffc2f674f70
      2⤵
        PID:4568
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1644,4296780061266631265,6268649633820880519,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1652 /prefetch:2
        2⤵
          PID:800
        • 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=1644,4296780061266631265,6268649633820880519,131072 --lang=en-US --service-sandbox-type=network --mojo-platform-channel-handle=1872 /prefetch:8
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:548
        • 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=1644,4296780061266631265,6268649633820880519,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2292 /prefetch:8
          2⤵
            PID:3500
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1644,4296780061266631265,6268649633820880519,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2944 /prefetch:1
            2⤵
              PID:3660
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1644,4296780061266631265,6268649633820880519,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2936 /prefetch:1
              2⤵
                PID:3980
              • 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=1644,4296780061266631265,6268649633820880519,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4308 /prefetch:8
                2⤵
                  PID:4464
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1644,4296780061266631265,6268649633820880519,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4368 /prefetch:1
                  2⤵
                    PID:4936
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1644,4296780061266631265,6268649633820880519,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4488 /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.UtilWin --field-trial-handle=1644,4296780061266631265,6268649633820880519,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5200 /prefetch:8
                      2⤵
                      • Suspicious behavior: EnumeratesProcesses
                      PID:1148
                    • 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=1644,4296780061266631265,6268649633820880519,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5556 /prefetch:8
                      2⤵
                        PID:3388
                      • 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=1644,4296780061266631265,6268649633820880519,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5148 /prefetch:8
                        2⤵
                        • Suspicious behavior: EnumeratesProcesses
                        PID:2384
                      • 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=1644,4296780061266631265,6268649633820880519,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5060 /prefetch:8
                        2⤵
                          PID:4704
                        • 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=1644,4296780061266631265,6268649633820880519,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5128 /prefetch:8
                          2⤵
                            PID:764
                          • 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=1644,4296780061266631265,6268649633820880519,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5660 /prefetch:8
                            2⤵
                              PID:4292
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1644,4296780061266631265,6268649633820880519,131072 --disable-gpu-compositing --lang=en-US --extension-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=16 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5128 /prefetch:1
                              2⤵
                                PID:2760
                              • 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=1644,4296780061266631265,6268649633820880519,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4792 /prefetch:8
                                2⤵
                                • Suspicious behavior: EnumeratesProcesses
                                PID:2984
                              • 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=1644,4296780061266631265,6268649633820880519,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2380 /prefetch:8
                                2⤵
                                • Suspicious behavior: EnumeratesProcesses
                                PID:4020
                              • 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=1644,4296780061266631265,6268649633820880519,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2748 /prefetch:8
                                2⤵
                                  PID:4544
                                • 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=1644,4296780061266631265,6268649633820880519,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=1132 /prefetch:8
                                  2⤵
                                  • Suspicious behavior: EnumeratesProcesses
                                  PID:1924
                                • 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=1644,4296780061266631265,6268649633820880519,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4780 /prefetch:8
                                  2⤵
                                    PID:1548
                                  • 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=1644,4296780061266631265,6268649633820880519,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4476 /prefetch:8
                                    2⤵
                                      PID:4888
                                    • 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=1644,4296780061266631265,6268649633820880519,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4920 /prefetch:8
                                      2⤵
                                        PID:732
                                      • 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=1644,4296780061266631265,6268649633820880519,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3104 /prefetch:8
                                        2⤵
                                          PID:764
                                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1644,4296780061266631265,6268649633820880519,131072 --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=212 /prefetch:2
                                          2⤵
                                          • Suspicious behavior: EnumeratesProcesses
                                          PID:3316
                                        • 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=1644,4296780061266631265,6268649633820880519,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4924 /prefetch:8
                                          2⤵
                                            PID:628
                                          • 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=1644,4296780061266631265,6268649633820880519,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5688 /prefetch:8
                                            2⤵
                                              PID:4392
                                            • 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=1644,4296780061266631265,6268649633820880519,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=812 /prefetch:8
                                              2⤵
                                              • Suspicious behavior: EnumeratesProcesses
                                              PID:1516
                                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1644,4296780061266631265,6268649633820880519,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=29 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4256 /prefetch:1
                                              2⤵
                                                PID:1048
                                              • C:\Program Files\Google\Chrome\Application\chrome.exe
                                                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1644,4296780061266631265,6268649633820880519,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=30 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4924 /prefetch:1
                                                2⤵
                                                  PID:5048
                                                • C:\Program Files\Google\Chrome\Application\chrome.exe
                                                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1644,4296780061266631265,6268649633820880519,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=31 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4996 /prefetch:1
                                                  2⤵
                                                    PID:2176
                                                  • 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=1644,4296780061266631265,6268649633820880519,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4720 /prefetch:8
                                                    2⤵
                                                      PID:4600
                                                  • C:\Windows\System32\CompPkgSrv.exe
                                                    C:\Windows\System32\CompPkgSrv.exe -Embedding
                                                    1⤵
                                                      PID:1804
                                                    • 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:1732
                                                      • C:\Program Files\Google\Chrome\ChromeRecovery\scoped_dir1732_315832656\ChromeRecovery.exe
                                                        "C:\Program Files\Google\Chrome\ChromeRecovery\scoped_dir1732_315832656\ChromeRecovery.exe" --appguid={8A69D345-D564-463c-AFF1-A69D9E530F96} --browser-version=89.0.4389.114 --sessionid={68b840d4-64c6-4df0-9a2a-bb8e9088d0ab} --system
                                                        2⤵
                                                        • Executes dropped EXE
                                                        PID:3688

                                                    Network

                                                          MITRE ATT&CK Enterprise v6

                                                          Replay Monitor

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                                                          Downloads

                                                          ChromeRecovery.exe

                                                          • Path C:\Program Files\Google\Chrome\ChromeRecovery\scoped_dir1732_315832656\ChromeRecovery.exe
                                                          • Size 253KB
                                                          • SHA256 82aa3fd6a25cda9e16689cfadea175091be010cecae537e517f392e0bef5ba0f
                                                          • MD5 SHA1 SHA512 SSDEEP

                                                          Recovery.crx3

                                                          • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\RecoveryImproved\1.3.36.141\Recovery.crx3
                                                          • Size 141KB
                                                          • SHA256 7c3a6a7d16ac44c3200f572a764bce7d8fa84b9572dd028b15c59bdccbc0a77d
                                                          • MD5 SHA1 SHA512 SSDEEP