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14-01-2023 02:53

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Analysis

  • max time kernel
    147s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-01-2023 07:18

General

  • Target

    http://email.mg.ge-assist.com/c/eJxUzD1uxCAQQOHT4I4VHjA_BUWkyPcYhvEayTHIsNrs7SOX6d_7cnRWGY8Tx9k68F652U97BDYaEyubFLg5hbA5j6z15mkBwzCVaJ31kGwiXAIrHfRinFKUXUjgiUgY1d9lG48nn3zh4DwdcR-jdaG_BKwC1udREx6Sz3F9ZMPe5as_qP4IWPf6lqNKJOLe5ae-LvmvxtaOQjhKPW9Lr_destDfwYNbzAJhuuKoOT-2-iuM2ls56cb_AgAA__8i8kwH

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
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 22 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 5 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://email.mg.ge-assist.com/c/eJxUzD1uxCAQQOHT4I4VHjA_BUWkyPcYhvEayTHIsNrs7SOX6d_7cnRWGY8Tx9k68F652U97BDYaEyubFLg5hbA5j6z15mkBwzCVaJ31kGwiXAIrHfRinFKUXUjgiUgY1d9lG48nn3zh4DwdcR-jdaG_BKwC1udREx6Sz3F9ZMPe5as_qP4IWPf6lqNKJOLe5ae-LvmvxtaOQjhKPW9Lr_destDfwYNbzAJhuuKoOT-2-iuM2ls56cb_AgAA__8i8kwH
    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:4104
    • 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,0x100,0x104,0xd8,0x108,0x7ff831034f50,0x7ff831034f60,0x7ff831034f70
      2⤵
        PID:5096
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1584,11676122999630773177,11920696427421610088,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1600 /prefetch:2
        2⤵
          PID:212
        • 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=1584,11676122999630773177,11920696427421610088,131072 --lang=en-US --service-sandbox-type=network --mojo-platform-channel-handle=1992 /prefetch:8
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1348
        • 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=1584,11676122999630773177,11920696427421610088,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2300 /prefetch:8
          2⤵
            PID:3492
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1584,11676122999630773177,11920696427421610088,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2828 /prefetch:1
            2⤵
              PID:3780
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1584,11676122999630773177,11920696427421610088,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2836 /prefetch:1
              2⤵
                PID:4348
              • 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=1584,11676122999630773177,11920696427421610088,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4248 /prefetch:8
                2⤵
                  PID:1152
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1584,11676122999630773177,11920696427421610088,131072 --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=4404 /prefetch:1
                  2⤵
                    PID:1780
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1584,11676122999630773177,11920696427421610088,131072 --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=3004 /prefetch:1
                    2⤵
                      PID:372
                    • 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=1584,11676122999630773177,11920696427421610088,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4944 /prefetch:8
                      2⤵
                      • Suspicious behavior: EnumeratesProcesses
                      PID:2236
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=audio.mojom.AudioService --field-trial-handle=1584,11676122999630773177,11920696427421610088,131072 --lang=en-US --service-sandbox-type=audio --mojo-platform-channel-handle=4944 /prefetch:8
                      2⤵
                        PID:4228
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=video_capture.mojom.VideoCaptureService --field-trial-handle=1584,11676122999630773177,11920696427421610088,131072 --lang=en-US --service-sandbox-type=video_capture --mojo-platform-channel-handle=5136 /prefetch:8
                        2⤵
                        • Modifies registry class
                        • Suspicious behavior: EnumeratesProcesses
                        PID:4220
                      • 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=1584,11676122999630773177,11920696427421610088,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5692 /prefetch:8
                        2⤵
                          PID:4448
                        • 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=1584,11676122999630773177,11920696427421610088,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5728 /prefetch:8
                          2⤵
                          • Suspicious behavior: EnumeratesProcesses
                          PID:3100
                        • 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=1584,11676122999630773177,11920696427421610088,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5708 /prefetch:8
                          2⤵
                            PID:4860
                          • 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=1584,11676122999630773177,11920696427421610088,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4832 /prefetch:8
                            2⤵
                              PID:3720
                            • 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=1584,11676122999630773177,11920696427421610088,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5108 /prefetch:8
                              2⤵
                                PID:4524
                              • C:\Program Files\Google\Chrome\Application\chrome.exe
                                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1584,11676122999630773177,11920696427421610088,131072 --disable-gpu-compositing --lang=en-US --extension-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=18 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4812 /prefetch:1
                                2⤵
                                  PID:656
                                • 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=1584,11676122999630773177,11920696427421610088,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3064 /prefetch:8
                                  2⤵
                                  • Suspicious behavior: EnumeratesProcesses
                                  PID:1772
                                • 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=1584,11676122999630773177,11920696427421610088,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5012 /prefetch:8
                                  2⤵
                                  • Suspicious behavior: EnumeratesProcesses
                                  PID:2944
                                • 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=1584,11676122999630773177,11920696427421610088,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2692 /prefetch:8
                                  2⤵
                                    PID:4640
                                  • 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=1584,11676122999630773177,11920696427421610088,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5892 /prefetch:8
                                    2⤵
                                    • Suspicious behavior: EnumeratesProcesses
                                    PID:1424
                                  • 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=1584,11676122999630773177,11920696427421610088,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2724 /prefetch:8
                                    2⤵
                                      PID:4412
                                    • 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=1584,11676122999630773177,11920696427421610088,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2112 /prefetch:8
                                      2⤵
                                      • Suspicious behavior: EnumeratesProcesses
                                      PID:4308
                                    • 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=1584,11676122999630773177,11920696427421610088,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4232 /prefetch:8
                                      2⤵
                                        PID:1820
                                      • 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=1584,11676122999630773177,11920696427421610088,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1460 /prefetch:8
                                        2⤵
                                          PID:4208
                                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1584,11676122999630773177,11920696427421610088,131072 --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=2560 /prefetch:2
                                          2⤵
                                          • Suspicious behavior: EnumeratesProcesses
                                          PID:1216
                                        • 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=1584,11676122999630773177,11920696427421610088,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2600 /prefetch:8
                                          2⤵
                                            PID:1540
                                        • C:\Windows\System32\CompPkgSrv.exe
                                          C:\Windows\System32\CompPkgSrv.exe -Embedding
                                          1⤵
                                            PID:2852
                                          • 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:1352
                                            • C:\Program Files\Google\Chrome\ChromeRecovery\scoped_dir1352_897649909\ChromeRecovery.exe
                                              "C:\Program Files\Google\Chrome\ChromeRecovery\scoped_dir1352_897649909\ChromeRecovery.exe" --appguid={8A69D345-D564-463c-AFF1-A69D9E530F96} --browser-version=89.0.4389.114 --sessionid={26f4b4a1-619c-4cf6-92a1-cd38a812de2a} --system
                                              2⤵
                                              • Executes dropped EXE
                                              PID:3452

                                          Network

                                          MITRE ATT&CK Enterprise v6

                                          Replay Monitor

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                                          Downloads

                                          • C:\Program Files\Google\Chrome\ChromeRecovery\scoped_dir1352_897649909\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

                                          • memory/3452-135-0x0000000000000000-mapping.dmp