Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    09/07/2020, 08:01

General

  • Target

    Purchase advice and details.exe

  • Size

    663KB

  • MD5

    8c49a740ef92731629ce744ca1fece7b

  • SHA1

    db2d80f5deba46f40be9357c3576e72aaed73ce5

  • SHA256

    aea480ebd5777e840f0b988267554fe1d35f70238bed009231b24475fdc0b0d9

  • SHA512

    eb78fcea1a1e5ceb762f620f21cf9e86eac873f1f27a6337e4d41a37396e79bf8bdbe46830e032f899df7d97aeca940d16b70255a4bcfa94430c8b78056c8c35

Malware Config

Signatures

  • Adds Run entry to start application 2 TTPs 2 IoCs
  • Suspicious behavior: MapViewOfSection 9 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Formbook

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

  • Drops file in Program Files directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 60 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 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.

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    • Suspicious use of AdjustPrivilegeToken
    PID:2972
    • C:\Users\Admin\AppData\Local\Temp\Purchase advice and details.exe
      "C:\Users\Admin\AppData\Local\Temp\Purchase advice and details.exe"
      2⤵
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3588
      • C:\Users\Admin\AppData\Local\Temp\Purchase advice and details.exe
        "C:\Users\Admin\AppData\Local\Temp\Purchase advice and details.exe"
        3⤵
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2996
    • C:\Windows\SysWOW64\autoconv.exe
      "C:\Windows\SysWOW64\autoconv.exe"
      2⤵
        PID:3856
      • C:\Windows\SysWOW64\autoconv.exe
        "C:\Windows\SysWOW64\autoconv.exe"
        2⤵
          PID:3900
        • C:\Windows\SysWOW64\autoconv.exe
          "C:\Windows\SysWOW64\autoconv.exe"
          2⤵
            PID:4012
          • C:\Windows\SysWOW64\wlanext.exe
            "C:\Windows\SysWOW64\wlanext.exe"
            2⤵
            • Adds Run entry to start application
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of SetThreadContext
            • Drops file in Program Files directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            • Suspicious use of AdjustPrivilegeToken
            • Modifies Internet Explorer settings
            PID:3936
            • C:\Windows\SysWOW64\cmd.exe
              /c del "C:\Users\Admin\AppData\Local\Temp\Purchase advice and details.exe"
              3⤵
                PID:3784
              • 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:3412
                • C:\Program Files\Mozilla Firefox\Firefox.exe
                  "C:\Program Files\Mozilla Firefox\Firefox.exe"
                  3⤵
                    PID:1812

              Network

                    MITRE ATT&CK Enterprise v6

                    Replay Monitor

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                    Downloads

                    • memory/1812-12-0x00007FF73E940000-0x00007FF73E9D3000-memory.dmp

                      Filesize

                      588KB

                    • memory/1812-11-0x00007FF73E940000-0x00007FF73E9D3000-memory.dmp

                      Filesize

                      588KB

                    • memory/1812-13-0x00007FF73E940000-0x00007FF73E9D3000-memory.dmp

                      Filesize

                      588KB

                    • memory/2996-0-0x0000000000400000-0x000000000042D000-memory.dmp

                      Filesize

                      180KB

                    • memory/3936-6-0x0000000003BB0000-0x0000000003C8E000-memory.dmp

                      Filesize

                      888KB

                    • memory/3936-9-0x0000000005EE0000-0x0000000006036000-memory.dmp

                      Filesize

                      1.3MB

                    • memory/3936-4-0x0000000000C40000-0x0000000000C57000-memory.dmp

                      Filesize

                      92KB

                    • memory/3936-3-0x0000000000C40000-0x0000000000C57000-memory.dmp

                      Filesize

                      92KB