Analysis

  • max time kernel
    160s
  • max time network
    175s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    12-05-2022 17:52

General

  • Target

    invoice-02-01-2022-1.xls

  • Size

    24KB

  • MD5

    1707c2be2eacf003e518c52123c121e1

  • SHA1

    b83762f18620a60856c92ee84b83d60590c4bc8f

  • SHA256

    98f6d1e3731105cd4259e79a41c314e1c62454d39b8b0427b3ec0f789fb6bddc

  • SHA512

    dfaf2439b36e5893eb65a0e8a5408224359fb8abbd1d868c1dd987a6bb0035e9fa53b0442a2cfb70b66bbfdb99820caacb43378b14e86e4fb2b7c5ceadc9f739

Malware Config

Extracted

Family

metasploit

Version

windows/download_exec

C2

http://shinyobjects.birds:80/metal.exe

Signatures

  • MetaSploit

    Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

  • Process spawned unexpected child process 1 IoCs

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

  • Office loads VBA resources, possible macro or embedded object present
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 8 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\invoice-02-01-2022-1.xls
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1088
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32
      2⤵
      • Process spawned unexpected child process
      PID:1104

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1088-54-0x000000002F9F1000-0x000000002F9F4000-memory.dmp

    Filesize

    12KB

  • memory/1088-55-0x00000000711D1000-0x00000000711D3000-memory.dmp

    Filesize

    8KB

  • memory/1088-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1088-57-0x00000000721BD000-0x00000000721C8000-memory.dmp

    Filesize

    44KB

  • memory/1088-58-0x0000000074DC1000-0x0000000074DC3000-memory.dmp

    Filesize

    8KB

  • memory/1088-70-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1104-68-0x0000000000000000-mapping.dmp