Resubmissions

14-03-2022 15:54

220314-tcpbrsbdaq 10

14-03-2022 15:40

220314-s4a3sabcap 10

Analysis

  • max time kernel
    105s
  • max time network
    109s
  • platform
    windows10_x64
  • resource
    win10-20220310-en
  • submitted
    14-03-2022 15:40

General

  • Target

    https://securemail.oasisonthemount.org/

Malware Config

Signatures

  • PlugX

    PlugX is a RAT (Remote Access Trojan) that has been around since 2008.

  • PlugX Rat Payload 6 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 7 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 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" https://securemail.oasisonthemount.org/
    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:1644
    • 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=0xcc,0xd0,0xd4,0xa8,0xd8,0x7ffa7ba34f50,0x7ffa7ba34f60,0x7ffa7ba34f70
      2⤵
        PID:1732
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1536,1218838578086963099,12753972384703722091,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1556 /prefetch:2
        2⤵
          PID:2752
        • 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=1536,1218838578086963099,12753972384703722091,131072 --lang=en-US --service-sandbox-type=network --mojo-platform-channel-handle=1740 /prefetch:8
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:2756
        • 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=1536,1218838578086963099,12753972384703722091,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2288 /prefetch:8
          2⤵
            PID:3440
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1536,1218838578086963099,12753972384703722091,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2912 /prefetch:1
            2⤵
              PID:3952
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1536,1218838578086963099,12753972384703722091,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2920 /prefetch:1
              2⤵
                PID:652
              • 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=1536,1218838578086963099,12753972384703722091,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4148 /prefetch:8
                2⤵
                  PID:3256
                • 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=1536,1218838578086963099,12753972384703722091,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3560 /prefetch:8
                  2⤵
                  • Suspicious behavior: EnumeratesProcesses
                  PID:3956
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1536,1218838578086963099,12753972384703722091,131072 --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=3328 /prefetch:1
                  2⤵
                    PID:2868
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1536,1218838578086963099,12753972384703722091,131072 --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=4820 /prefetch:1
                    2⤵
                      PID:2872
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1536,1218838578086963099,12753972384703722091,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5004 /prefetch:1
                      2⤵
                        PID:1700
                      • 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=1536,1218838578086963099,12753972384703722091,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3308 /prefetch:8
                        2⤵
                          PID:820
                        • 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=1536,1218838578086963099,12753972384703722091,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5152 /prefetch:8
                          2⤵
                            PID:3488
                          • 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=1536,1218838578086963099,12753972384703722091,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5252 /prefetch:8
                            2⤵
                            • Suspicious behavior: EnumeratesProcesses
                            PID:3956
                          • 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=1536,1218838578086963099,12753972384703722091,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5220 /prefetch:8
                            2⤵
                              PID:1220
                            • 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=1536,1218838578086963099,12753972384703722091,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5192 /prefetch:8
                              2⤵
                                PID:648
                              • 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=1536,1218838578086963099,12753972384703722091,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5216 /prefetch:8
                                2⤵
                                  PID:740
                                • 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=1536,1218838578086963099,12753972384703722091,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4364 /prefetch:8
                                  2⤵
                                    PID:3764
                                  • 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=1536,1218838578086963099,12753972384703722091,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5296 /prefetch:8
                                    2⤵
                                      PID:3392
                                    • 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=1536,1218838578086963099,12753972384703722091,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4976 /prefetch:8
                                      2⤵
                                        PID:2040
                                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1536,1218838578086963099,12753972384703722091,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=21 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4432 /prefetch:1
                                        2⤵
                                          PID:508
                                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1536,1218838578086963099,12753972384703722091,131072 --disable-gpu-compositing --lang=en-US --extension-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=22 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5456 /prefetch:1
                                          2⤵
                                            PID:4216
                                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1536,1218838578086963099,12753972384703722091,131072 --disable-gpu-compositing --lang=en-US --extension-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=23 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2132 /prefetch:1
                                            2⤵
                                              PID:4396
                                            • 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=1536,1218838578086963099,12753972384703722091,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2952 /prefetch:8
                                              2⤵
                                              • Suspicious behavior: EnumeratesProcesses
                                              PID:4488
                                            • 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=1536,1218838578086963099,12753972384703722091,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4084 /prefetch:8
                                              2⤵
                                                PID:4532
                                              • 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=1536,1218838578086963099,12753972384703722091,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5644 /prefetch:8
                                                2⤵
                                                • Suspicious behavior: EnumeratesProcesses
                                                PID:4544
                                              • C:\Program Files\Google\Chrome\Application\chrome.exe
                                                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1536,1218838578086963099,12753972384703722091,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=27 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2360 /prefetch:1
                                                2⤵
                                                  PID:4616
                                                • 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=1536,1218838578086963099,12753972384703722091,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5372 /prefetch:8
                                                  2⤵
                                                    PID:4676
                                                  • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\SwReporter\97.278.200\software_reporter_tool.exe
                                                    "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\SwReporter\97.278.200\software_reporter_tool.exe" --engine=2 --scan-locations=1,2,3,4,5,6,7,8,10 --disabled-locations=9,11 --session-id=ZMnajm8dhiBeE4AMnL4vkDnbTE4FE9R+4sYJCOCE --registry-suffix=ESET --enable-crash-reporting --srt-field-trial-group-name=NewCleanerUIExperiment
                                                    2⤵
                                                    • Executes dropped EXE
                                                    • Suspicious behavior: EnumeratesProcesses
                                                    • Suspicious use of AdjustPrivilegeToken
                                                    PID:4708
                                                    • \??\c:\users\admin\appdata\local\google\chrome\user data\swreporter\97.278.200\software_reporter_tool.exe
                                                      "c:\users\admin\appdata\local\google\chrome\user data\swreporter\97.278.200\software_reporter_tool.exe" --crash-handler "--database=c:\users\admin\appdata\local\Google\Software Reporter Tool" --url=https://clients2.google.com/cr/report --annotation=plat=Win32 --annotation=prod=ChromeFoil --annotation=ver=97.278.200 --initial-client-data=0x250,0x254,0x258,0x22c,0x25c,0x7ff651af69d8,0x7ff651af69e8,0x7ff651af69f8
                                                      3⤵
                                                      • Executes dropped EXE
                                                      • Suspicious use of AdjustPrivilegeToken
                                                      PID:4772
                                                    • \??\c:\users\admin\appdata\local\google\chrome\user data\swreporter\97.278.200\software_reporter_tool.exe
                                                      "c:\users\admin\appdata\local\google\chrome\user data\swreporter\97.278.200\software_reporter_tool.exe" --enable-crash-reporting --use-crash-handler-with-id="\\.\pipe\crashpad_4708_YPVDUMNMTSIXFJGZ" --sandboxed-process-id=2 --init-done-notifier=728 --sandbox-mojo-pipe-token=17290388632370002888 --mojo-platform-channel-handle=696 --engine=2
                                                      3⤵
                                                      • Executes dropped EXE
                                                      • Loads dropped DLL
                                                      • Suspicious use of AdjustPrivilegeToken
                                                      PID:4848
                                                    • \??\c:\users\admin\appdata\local\google\chrome\user data\swreporter\97.278.200\software_reporter_tool.exe
                                                      "c:\users\admin\appdata\local\google\chrome\user data\swreporter\97.278.200\software_reporter_tool.exe" --enable-crash-reporting --use-crash-handler-with-id="\\.\pipe\crashpad_4708_YPVDUMNMTSIXFJGZ" --sandboxed-process-id=3 --init-done-notifier=928 --sandbox-mojo-pipe-token=12093065254629903892 --mojo-platform-channel-handle=924
                                                      3⤵
                                                      • Executes dropped EXE
                                                      • Suspicious use of AdjustPrivilegeToken
                                                      PID:4952
                                                  • 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=1536,1218838578086963099,12753972384703722091,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4440 /prefetch:8
                                                    2⤵
                                                    • Suspicious behavior: EnumeratesProcesses
                                                    PID:4720
                                                  • 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=1536,1218838578086963099,12753972384703722091,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4696 /prefetch:8
                                                    2⤵
                                                      PID:5024

                                                  Network

                                                  MITRE ATT&CK Enterprise v6

                                                  Replay Monitor

                                                  Loading Replay Monitor...

                                                  Downloads

                                                  • memory/4848-131-0x00007FFA94140000-0x00007FFA94141000-memory.dmp

                                                    Filesize

                                                    4KB

                                                  • memory/4848-130-0x00007FFA947E0000-0x00007FFA947E1000-memory.dmp

                                                    Filesize

                                                    4KB