Analysis

  • max time kernel
    117s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    19-12-2023 14:56

General

  • Target

    48390bc39cbafa46142b867031d53525.xls

  • Size

    36KB

  • MD5

    48390bc39cbafa46142b867031d53525

  • SHA1

    5d8b2964d174a5a5535a39a82c24d0081effd475

  • SHA256

    208460b1a6ea44dd4ee38e4fc0599306653604216fe5dd1d8901cde8c4d2e816

  • SHA512

    85310c99996c8067ca3612203ef73881186c91b03311a303f9b021414031ad343678f043502e3c0b77ed35039825273fee823ff98c2a5fc46d25dceb619cc5b3

  • SSDEEP

    768:2PqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJUMB9vLH6hZgf3z:Kok3hbdlylKsgqopeJBWhZFGkE+cL2NA

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://skill.fashion/wp-data.php

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 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 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\48390bc39cbafa46142b867031d53525.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:2424
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" C:\Users\Public\Documents\LQm22YqO.txt,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:2708

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2424-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2424-1-0x00000000724ED000-0x00000000724F8000-memory.dmp

    Filesize

    44KB

  • memory/2424-2-0x00000000724ED000-0x00000000724F8000-memory.dmp

    Filesize

    44KB

  • memory/2424-3-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2424-4-0x00000000724ED000-0x00000000724F8000-memory.dmp

    Filesize

    44KB