Analysis

  • max time kernel
    103s
  • max time network
    94s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    29-01-2023 19:22

General

  • Target

    0a452a45e781a7ff0348f618f594dfcdb0a83ef22b9120aba5a006862ee4893d.xls

  • Size

    36KB

  • MD5

    7693610a8fb10370d9fd6f2f53157fe0

  • SHA1

    93aa8e85f2fe437a7d1e7f30c693e9854aadec49

  • SHA256

    0a452a45e781a7ff0348f618f594dfcdb0a83ef22b9120aba5a006862ee4893d

  • SHA512

    9bea01393333aee180eb49f52736c0b053daabb02c202f288b6e2525e07a45e20bf6f7a1ee340d689b9f2341e3a04e3f104eed2ceaf5fe7b408633882e969cce

  • SSDEEP

    768:xPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJp9Ajxr8Itd5lsr1zVJR:5ok3hbdlylKsgqopeJBWhZFGkE+cL2Ny

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

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

xlm40.dropper

https://syracuse.best/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\0a452a45e781a7ff0348f618f594dfcdb0a83ef22b9120aba5a006862ee4893d.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:1776
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" C:\Users\Public\Documents\EfZRvvKw.txt,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:1324

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1324-60-0x0000000000000000-mapping.dmp
  • memory/1776-54-0x000000002FD01000-0x000000002FD04000-memory.dmp
    Filesize

    12KB

  • memory/1776-55-0x0000000070DE1000-0x0000000070DE3000-memory.dmp
    Filesize

    8KB

  • memory/1776-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1776-57-0x0000000071DCD000-0x0000000071DD8000-memory.dmp
    Filesize

    44KB

  • memory/1776-58-0x0000000075D61000-0x0000000075D63000-memory.dmp
    Filesize

    8KB

  • memory/1776-59-0x0000000071DCD000-0x0000000071DD8000-memory.dmp
    Filesize

    44KB

  • memory/1776-62-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1776-63-0x0000000071DCD000-0x0000000071DD8000-memory.dmp
    Filesize

    44KB