Analysis

  • max time kernel
    147s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    12-03-2021 19:52

General

  • Target

    document-701815281.xls

  • Size

    138KB

  • MD5

    7fd4cd71a382b758a29c57136d7262c5

  • SHA1

    f3e3ae83a7a8a884c1a295f3a6d652020d672ff5

  • SHA256

    5081fe0f1b118bb19cd4414caa1d47d14684d6e0bc575f04961f7d15be483cfb

  • SHA512

    aef6ee3683634e796090f1b1eb63a3510071a769728d0e109e5225cb790b8bcab0a590d2ac8c0717a7a700225eb8d784ca374b3c8886ea5ba26d1e4891902caa

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://ipok12bcame03shzpiq.xyz/i.gif

Signatures

  • Process spawned unexpected child process 1 IoCs

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

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 9 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\document-701815281.xls
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:800
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32 ..\zfbfg.ere,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:1916

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/800-2-0x000000002F9B1000-0x000000002F9B4000-memory.dmp
    Filesize

    12KB

  • memory/800-3-0x0000000071B21000-0x0000000071B23000-memory.dmp
    Filesize

    8KB

  • memory/800-4-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1916-6-0x0000000000000000-mapping.dmp
  • memory/1916-7-0x0000000076C21000-0x0000000076C23000-memory.dmp
    Filesize

    8KB

  • memory/1968-5-0x000007FEF69C0000-0x000007FEF6C3A000-memory.dmp
    Filesize

    2.5MB