Analysis

  • max time kernel
    69s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    03/03/2021, 16:16

General

  • Target

    0303_15995446253021.doc

  • Size

    775KB

  • MD5

    f0997b178d0a74aaf3e00089fe30624f

  • SHA1

    b79f4f71dbd4043ae71795e91f6e85b2af957a32

  • SHA256

    8770f445c501edf62c9bdf28143e6da5b55d493cac5797b6ecdd81775f76e0da

  • SHA512

    bfa79cff532419a307ce780d4d8ce270adce30c77377ee3a6bd426850507c4736566cfde632875d6d2c139b8c5c27d821e408edf7a7a2fd4bfaee33844d5b960

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\0303_15995446253021.doc"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1784
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1468
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" c:\users\admin\appdata\local\temp\Static.dll,WIOYJIOLYGA
        2⤵
        • Process spawned unexpected child process
        PID:1972

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1468-6-0x000007FEFBA51000-0x000007FEFBA53000-memory.dmp

            Filesize

            8KB

          • memory/1784-2-0x0000000072551000-0x0000000072554000-memory.dmp

            Filesize

            12KB

          • memory/1784-3-0x000000006FFD1000-0x000000006FFD3000-memory.dmp

            Filesize

            8KB

          • memory/1784-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

            Filesize

            64KB

          • memory/1972-8-0x00000000760D1000-0x00000000760D3000-memory.dmp

            Filesize

            8KB