Resubmissions

14-01-2023 02:53

230114-dda8jagh43 8

14-01-2023 01:45

230114-b6nm8agc26 8

14-01-2023 01:39

230114-b2y86acb2t 1

14-01-2023 00:46

230114-a4rfnabe51 8

14-01-2023 00:40

230114-a1fjzsfe56 8

13-01-2023 07:59

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13-01-2023 07:51

230113-jp4bcaba91 1

13-01-2023 07:18

230113-h5atasfb53 8

Analysis

  • max time kernel
    276s
  • max time network
    301s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    14-01-2023 00:40

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
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of SendNotifyMessage 32 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 use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1564
    • 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=0xc0,0xc4,0xc8,0x94,0xcc,0x7fef6bd4f50,0x7fef6bd4f60,0x7fef6bd4f70
      2⤵
        PID:576
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1052,8977926042617374477,1148092298291632350,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1068 /prefetch:2
        2⤵
          PID:1984
        • 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=1052,8977926042617374477,1148092298291632350,131072 --lang=en-US --service-sandbox-type=network --mojo-platform-channel-handle=1352 /prefetch:8
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:892
        • 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=1052,8977926042617374477,1148092298291632350,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1660 /prefetch:8
          2⤵
            PID:1792
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1052,8977926042617374477,1148092298291632350,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2032 /prefetch:1
            2⤵
              PID:1096
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1052,8977926042617374477,1148092298291632350,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2024 /prefetch:1
              2⤵
                PID:364
              • 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=1052,8977926042617374477,1148092298291632350,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2624 /prefetch:8
                2⤵
                  PID:1940
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1052,8977926042617374477,1148092298291632350,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2700 /prefetch:1
                  2⤵
                    PID:1676
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1052,8977926042617374477,1148092298291632350,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --use-gl=swiftshader-webgl --mojo-platform-channel-handle=3216 /prefetch:2
                    2⤵
                      PID:1620
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1052,8977926042617374477,1148092298291632350,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3484 /prefetch:1
                      2⤵
                        PID:692
                      • 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=1052,8977926042617374477,1148092298291632350,131072 --lang=en-US --service-sandbox-type=audio --mojo-platform-channel-handle=4072 /prefetch:8
                        2⤵
                          PID:2080
                        • 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=1052,8977926042617374477,1148092298291632350,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=500 /prefetch:8
                          2⤵
                            PID:2212
                          • 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=1052,8977926042617374477,1148092298291632350,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3348 /prefetch:8
                            2⤵
                              PID:2292
                            • 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=1052,8977926042617374477,1148092298291632350,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3844 /prefetch:8
                              2⤵
                              • Suspicious behavior: EnumeratesProcesses
                              PID:2336
                            • 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=1052,8977926042617374477,1148092298291632350,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=984 /prefetch:8
                              2⤵
                              • Suspicious behavior: EnumeratesProcesses
                              PID:2452
                            • 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=1052,8977926042617374477,1148092298291632350,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3996 /prefetch:8
                              2⤵
                                PID:2464
                              • 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=1052,8977926042617374477,1148092298291632350,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1288 /prefetch:8
                                2⤵
                                  PID:2532
                                • 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=1052,8977926042617374477,1148092298291632350,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3344 /prefetch:8
                                  2⤵
                                    PID:2568
                                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1052,8977926042617374477,1148092298291632350,131072 --disable-gpu-compositing --lang=en-US --extension-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=19 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3296 /prefetch:1
                                    2⤵
                                      PID:2656
                                    • 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=1052,8977926042617374477,1148092298291632350,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1292 /prefetch:8
                                      2⤵
                                        PID:2832
                                      • 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=1052,8977926042617374477,1148092298291632350,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2448 /prefetch:8
                                        2⤵
                                        • Suspicious behavior: EnumeratesProcesses
                                        PID:2924
                                      • 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=1052,8977926042617374477,1148092298291632350,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=636 /prefetch:8
                                        2⤵
                                          PID:1464
                                      • 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:2880
                                        • C:\Program Files\Google\Chrome\ChromeRecovery\scoped_dir2880_1970870917\ChromeRecovery.exe
                                          "C:\Program Files\Google\Chrome\ChromeRecovery\scoped_dir2880_1970870917\ChromeRecovery.exe" --appguid={8A69D345-D564-463c-AFF1-A69D9E530F96} --browser-version=89.0.4389.114 --sessionid={65d6620b-387a-45f0-a951-7c94ff237279} --system
                                          2⤵
                                          • Executes dropped EXE
                                          PID:2936

                                      Network

                                      MITRE ATT&CK Enterprise v6

                                      Replay Monitor

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                                      Downloads

                                      • C:\Program Files\Google\Chrome\ChromeRecovery\scoped_dir2880_1970870917\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/2936-56-0x0000000000000000-mapping.dmp

                                      • memory/2936-58-0x0000000075FB1000-0x0000000075FB3000-memory.dmp

                                        Filesize

                                        8KB