Analysis

  • max time kernel
    149s
  • max time network
    123s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    07/10/2021, 11:55

General

  • Target
    RF Oferta_07102021.doc
  • Size 500KB
  • Sample211007-n3f57aceej
  • SHA256 1c9bbe414128de9b946727e8ac7fe2edf9c28731fabbc564dee935a97721d358
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 10 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\RF Oferta_07102021.doc" /o ""
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Modifies registry class
    • NTFS ADS
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3704
    • C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE
      "C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE" C:\Program Files\Common Files\Microsoft Shared\GRPHFLT\PNG32.FLT
      2⤵
      • Process spawned unexpected child process
      PID:4740

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/3704-123-0x00007FFBF1540000-0x00007FFBF262E000-memory.dmp

        memory/3704-117-0x00007FFBD6230000-0x00007FFBD6240000-memory.dmp

        memory/3704-118-0x00007FFBD6230000-0x00007FFBD6240000-memory.dmp

        memory/3704-120-0x00007FFBD6230000-0x00007FFBD6240000-memory.dmp

        memory/3704-119-0x00007FFBF7530000-0x00007FFBFA053000-memory.dmp

        memory/3704-115-0x00007FFBD6230000-0x00007FFBD6240000-memory.dmp

        memory/3704-124-0x00007FFBEF640000-0x00007FFBF1535000-memory.dmp

        memory/3704-116-0x00007FFBD6230000-0x00007FFBD6240000-memory.dmp

        memory/4740-365-0x00007FFBD6230000-0x00007FFBD6240000-memory.dmp

        memory/4740-364-0x00007FFBD6230000-0x00007FFBD6240000-memory.dmp

        memory/4740-363-0x00007FFBD6230000-0x00007FFBD6240000-memory.dmp

        memory/4740-367-0x00007FFBD6230000-0x00007FFBD6240000-memory.dmp