Analysis

  • max time kernel
    152s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    10/11/2020, 08:51

General

  • Target
    payment delay.exe
  • Size 756KB
  • Sample201110-spff7ecjf2
  • SHA256 598bcdbe4c3e21a17a48d44dc03640f90643d1a03549ec429c7f96fd48e6a7ea
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • formbook

C2
  • http://www.bestancasterrealestateagent.com/shwq/

Decoy
  • yrataglance.com

  • lowcarbindulgence.com

  • xiangoshi.com

  • dev-dale.com

  • denichon.com

  • sewinplace.com

  • blandiskodk.com

  • iphonejailbreakplus.com

  • ramkihome.com

  • weargoodsport.com

  • fnafrica.com

  • yusuferdogan.com

  • chuqiong.com

  • cxmasmobitvmall.com

  • autosystems-mali.com

  • lacevortex.com

  • finessebygrace.com

  • gmz.one

  • catiemarvin.com

  • icesmooth.com

Signatures

  • Formbook

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

  • Formbook Payload 5 IoCs
  • Suspicious use of SetThreadContext 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 4690 IoCs
  • Suspicious behavior: MapViewOfSection 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1304
    • C:\Users\Admin\AppData\Local\Temp\payment delay.exe
      "C:\Users\Admin\AppData\Local\Temp\payment delay.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1992
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1732
      • C:\Users\Admin\AppData\Local\Temp\payment delay.exe
        "C:\Users\Admin\AppData\Local\Temp\payment delay.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1700
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          4⤵
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          PID:1960
    • C:\Windows\SysWOW64\autoconv.exe
      "C:\Windows\SysWOW64\autoconv.exe"
      2⤵
        PID:1096
      • C:\Windows\SysWOW64\autoconv.exe
        "C:\Windows\SysWOW64\autoconv.exe"
        2⤵
          PID:752
        • C:\Windows\SysWOW64\cmstp.exe
          "C:\Windows\SysWOW64\cmstp.exe"
          2⤵
          • Suspicious use of SetThreadContext
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:596
          • C:\Windows\SysWOW64\cmd.exe
            /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            3⤵
              PID:1632
          • C:\Windows\SysWOW64\wininit.exe
            "C:\Windows\SysWOW64\wininit.exe"
            2⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:472

        Network

              MITRE ATT&CK Matrix

              Replay Monitor

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              Downloads

              memory/472-19-0x0000000000F20000-0x0000000000F3A000-memory.dmp

              memory/596-20-0x0000000002F30000-0x0000000002FE6000-memory.dmp

              memory/596-16-0x00000000003E0000-0x00000000003F8000-memory.dmp

              memory/1700-8-0x0000000073AF0000-0x00000000741DE000-memory.dmp

              memory/1732-5-0x0000000000400000-0x000000000042E000-memory.dmp

              memory/1992-0-0x0000000073AF0000-0x00000000741DE000-memory.dmp

              memory/1992-3-0x00000000047C0000-0x00000000047F5000-memory.dmp

              memory/1992-1-0x0000000001180000-0x0000000001181000-memory.dmp