Analysis

  • max time kernel
    145s
  • max time network
    129s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    13-07-2020 14:18

General

  • Target

    rectified quote.exe

  • Size

    400KB

  • MD5

    0c6982e8d622d6550a6a170f1c0b9c49

  • SHA1

    489f667a831be85ffd37288ca187d0517fc5d649

  • SHA256

    714e525a436fc97ce8b8e31b63c79e8f13cc0577c80f613f825cafdf7fddeb1f

  • SHA512

    c1b81fdc18fe5ab49b005a2e5847f6007c95baa8a04bd0b3140fc3e8295f05e141f5db2b07478798fcf5293be3f8415ae4d97daee7c926b69e8338c47898cadc

Malware Config

Signatures

  • Adds Run entry to policy start application 2 TTPs 2 IoCs
  • Drops startup file 1 IoCs
  • Formbook

    Formbook is a data stealing malware which is capable of stealing data.

  • Suspicious use of WriteProcessMemory 16 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 56 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • System policy modification 1 TTPs 1 IoCs
  • Suspicious behavior: MapViewOfSection 9 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of WriteProcessMemory
    • Suspicious use of SendNotifyMessage
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of AdjustPrivilegeToken
    PID:2988
    • C:\Users\Admin\AppData\Local\Temp\rectified quote.exe
      "C:\Users\Admin\AppData\Local\Temp\rectified quote.exe"
      2⤵
      • Drops startup file
      • Suspicious use of WriteProcessMemory
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetThreadContext
      PID:3832
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of SetThreadContext
        • Suspicious use of AdjustPrivilegeToken
        PID:3032
    • C:\Windows\SysWOW64\autoconv.exe
      "C:\Windows\SysWOW64\autoconv.exe"
      2⤵
        PID:3300
      • C:\Windows\SysWOW64\autofmt.exe
        "C:\Windows\SysWOW64\autofmt.exe"
        2⤵
          PID:3756
        • C:\Windows\SysWOW64\autofmt.exe
          "C:\Windows\SysWOW64\autofmt.exe"
          2⤵
            PID:3892
          • C:\Windows\SysWOW64\autofmt.exe
            "C:\Windows\SysWOW64\autofmt.exe"
            2⤵
              PID:3896
            • C:\Windows\SysWOW64\autofmt.exe
              "C:\Windows\SysWOW64\autofmt.exe"
              2⤵
                PID:3904
              • C:\Windows\SysWOW64\autofmt.exe
                "C:\Windows\SysWOW64\autofmt.exe"
                2⤵
                  PID:3932
                • C:\Windows\SysWOW64\autofmt.exe
                  "C:\Windows\SysWOW64\autofmt.exe"
                  2⤵
                    PID:3868
                  • C:\Windows\SysWOW64\autofmt.exe
                    "C:\Windows\SysWOW64\autofmt.exe"
                    2⤵
                      PID:3864
                    • C:\Windows\SysWOW64\autofmt.exe
                      "C:\Windows\SysWOW64\autofmt.exe"
                      2⤵
                        PID:3872
                      • C:\Windows\SysWOW64\autofmt.exe
                        "C:\Windows\SysWOW64\autofmt.exe"
                        2⤵
                          PID:3860
                        • C:\Windows\SysWOW64\autofmt.exe
                          "C:\Windows\SysWOW64\autofmt.exe"
                          2⤵
                            PID:3948
                          • C:\Windows\SysWOW64\wlanext.exe
                            "C:\Windows\SysWOW64\wlanext.exe"
                            2⤵
                            • Adds Run entry to policy start application
                            • Suspicious use of WriteProcessMemory
                            • Drops file in Program Files directory
                            • Modifies Internet Explorer settings
                            • Suspicious behavior: EnumeratesProcesses
                            • System policy modification
                            • Suspicious behavior: MapViewOfSection
                            • Suspicious use of SetThreadContext
                            • Suspicious use of AdjustPrivilegeToken
                            PID:3488
                            • C:\Windows\SysWOW64\cmd.exe
                              /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                              3⤵
                                PID:3992
                              • C:\Windows\SysWOW64\cmd.exe
                                /c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
                                3⤵
                                  PID:752
                                • C:\Program Files\Mozilla Firefox\Firefox.exe
                                  "C:\Program Files\Mozilla Firefox\Firefox.exe"
                                  3⤵
                                    PID:2232

                              Network

                              MITRE ATT&CK Enterprise v6

                              Replay Monitor

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                              Downloads

                              • C:\Users\Admin\AppData\Local\Temp\DB1

                              • C:\Users\Admin\AppData\Roaming\5K-1P89C\5K-logim.jpeg

                              • C:\Users\Admin\AppData\Roaming\5K-1P89C\5K-logrf.ini

                              • C:\Users\Admin\AppData\Roaming\5K-1P89C\5K-logrg.ini

                              • C:\Users\Admin\AppData\Roaming\5K-1P89C\5K-logri.ini

                              • C:\Users\Admin\AppData\Roaming\5K-1P89C\5K-logrv.ini

                              • memory/752-9-0x0000000000000000-mapping.dmp

                              • memory/2232-15-0x00007FF676FB0000-0x00007FF677043000-memory.dmp

                                Filesize

                                588KB

                              • memory/2232-12-0x0000000000000000-mapping.dmp

                              • memory/2232-13-0x00007FF676FB0000-0x00007FF677043000-memory.dmp

                                Filesize

                                588KB

                              • memory/2232-14-0x00007FF676FB0000-0x00007FF677043000-memory.dmp

                                Filesize

                                588KB

                              • memory/3032-0-0x0000000000400000-0x000000000042D000-memory.dmp

                                Filesize

                                180KB

                              • memory/3032-1-0x000000000041E380-mapping.dmp

                              • memory/3488-6-0x0000000004120000-0x000000000425A000-memory.dmp

                                Filesize

                                1.2MB

                              • memory/3488-4-0x0000000000A00000-0x0000000000A17000-memory.dmp

                                Filesize

                                92KB

                              • memory/3488-3-0x0000000000A00000-0x0000000000A17000-memory.dmp

                                Filesize

                                92KB

                              • memory/3488-2-0x0000000000000000-mapping.dmp

                              • memory/3992-5-0x0000000000000000-mapping.dmp