Analysis

  • max time kernel
    69s
  • max time network
    14s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    04/03/2021, 17:10

General

  • Target

    0304_87496944093261.doc

  • Size

    743KB

  • MD5

    2e76ea73f95afb9893a3e8bfd622b94d

  • SHA1

    d0f67a997a35d24f17829b56b71274b6a9cc1aec

  • SHA256

    f096841c886b3752e0be947526ee7029860badb6af5f56cc9bfff77023f03584

  • SHA512

    f7775ff1f1a4163db7d5b1ec514e6c55a312c079215dc5d1eb8729f1307d13d6ce166d13ba53cf13731c7280838e08b73616892648fe3a541376adfab148bd5b

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
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 16 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\0304_87496944093261.doc"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:776
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2004
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" c:\users\admin\appdata\local\temp\Static.dll,MUSWRRVXHJV
        2⤵
        • Process spawned unexpected child process
        PID:1744

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/776-2-0x0000000072671000-0x0000000072674000-memory.dmp

            Filesize

            12KB

          • memory/776-3-0x00000000700F1000-0x00000000700F3000-memory.dmp

            Filesize

            8KB

          • memory/776-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

            Filesize

            64KB

          • memory/1744-8-0x0000000076071000-0x0000000076073000-memory.dmp

            Filesize

            8KB

          • memory/2004-6-0x000007FEFBB61000-0x000007FEFBB63000-memory.dmp

            Filesize

            8KB