Analysis

  • max time kernel
    73s
  • max time network
    25s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    12-01-2021 19:43

General

  • Target

    0112_1005636132.doc

  • Size

    735KB

  • MD5

    5773e90313ac82d4a3a2174260e486da

  • SHA1

    4e40fbd0b04aee9b1c0f0daeb61e3f3879870cd5

  • SHA256

    8bcf45c2de07f322b8efb959e3cef38fb9983fdb8b932c527321fd3db5e444c8

  • SHA512

    b34dc85f0b44753e0291e429ef0d5ca5ab92f291fd3d49b8dca82053b56898e56d1be8bb9375436ffeb32a8298ff8de2d25d86fbab01a7e09c2dddea34acdf4a

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.

  • Drops file in Windows directory 1 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 9 IoCs
  • Modifies registry class 280 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\0112_1005636132.doc"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:936
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:584
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\Microsoft\Templates\W0rd.dll,DllUnregisterServer
        2⤵
        • Process spawned unexpected child process
        PID:1724

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/584-2-0x0000000000000000-mapping.dmp

    • memory/936-4-0x0000000001E70000-0x0000000001E71000-memory.dmp

      Filesize

      4KB

    • memory/1724-3-0x0000000000000000-mapping.dmp