Analysis

  • max time kernel
    143s
  • max time network
    110s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    29-01-2023 19:21

General

  • Target

    92c46d814f92721c90e0d8f8a6b91b8985efb6dc1528e1bc1cbfeaa31b7c5e95.xls

  • Size

    36KB

  • MD5

    75e6c713562d36217cf8de842907abd7

  • SHA1

    8307d15bc62e3876b4ac60a83046e8ed61347a5d

  • SHA256

    92c46d814f92721c90e0d8f8a6b91b8985efb6dc1528e1bc1cbfeaa31b7c5e95

  • SHA512

    51a1ee1bea88eaaa94872df6285808646d2c53a044ad616e3b9f557f6a7adb8f83c2d5f932f9cfd8e6c10bcad5475d41696403cc2beef24eda0a68699c9aa70f

  • SSDEEP

    768:RPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJaIEcwzLocg82DO:Zok3hbdlylKsgqopeJBWhZFGkE+cL2Np

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\92c46d814f92721c90e0d8f8a6b91b8985efb6dc1528e1bc1cbfeaa31b7c5e95.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:2028
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" C:\Users\Public\Documents\HJMie.txt,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:1620

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/1620-59-0x0000000000000000-mapping.dmp
  • memory/2028-54-0x000000002FC41000-0x000000002FC44000-memory.dmp
    Filesize

    12KB

  • memory/2028-55-0x0000000070F31000-0x0000000070F33000-memory.dmp
    Filesize

    8KB

  • memory/2028-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/2028-57-0x0000000071F1D000-0x0000000071F28000-memory.dmp
    Filesize

    44KB

  • memory/2028-58-0x0000000075291000-0x0000000075293000-memory.dmp
    Filesize

    8KB

  • memory/2028-61-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/2028-62-0x0000000071F1D000-0x0000000071F28000-memory.dmp
    Filesize

    44KB