Analysis

  • max time kernel
    42s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 23:54

General

  • Target

    Imagem digital Cheque Retorno 791212-2015.dll

  • Size

    432KB

  • MD5

    b9d5f9ba18071f9fff619feeb2308cd8

  • SHA1

    45ffdcbd9164b7159a0ff71c59d12294ef62c8ad

  • SHA256

    2aa8ed19fcd57bf8c008c5f7b5a0aa9eb9f71e67e18d427f0d66b5bff569bd89

  • SHA512

    14b78d970b33e61024ca7e821e602cfdc46bc4d7cf56862eb0d4a1f661e2cc5f1d0b266d79a2933d8377e6a932b630546365a9df300c8f00a3d35db597213a57

  • SSDEEP

    6144:C3azg5lUyG/1Ikz/DnRJXYrJ3Dwgw1O3BZRr14w42PtHyRPQwp3Pw/d:C4KlUyELnRJX8JRr14qtpwpu

Score
8/10

Malware Config

Signatures

  • VMProtect packed file 2 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Imagem digital Cheque Retorno 791212-2015.dll",#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:896
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Imagem digital Cheque Retorno 791212-2015.dll",#1
      2⤵
        PID:1952

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1952-54-0x0000000000000000-mapping.dmp

    • memory/1952-55-0x0000000075E31000-0x0000000075E33000-memory.dmp

      Filesize

      8KB

    • memory/1952-56-0x0000000001DA0000-0x0000000001E98000-memory.dmp

      Filesize

      992KB

    • memory/1952-57-0x0000000001DA0000-0x0000000001E98000-memory.dmp

      Filesize

      992KB