Analysis

  • max time kernel
    120s
  • max time network
    111s
  • 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

    67a6ae0924ee0a9ac880bb1183f4c6814a878a9a0a746f1f5536484c76c0df5b.xls

  • Size

    36KB

  • MD5

    825ee9c7336a32aa9b58309084effb0a

  • SHA1

    70ba2f9d59d974be6d604a0d5cbbd4d38866b803

  • SHA256

    67a6ae0924ee0a9ac880bb1183f4c6814a878a9a0a746f1f5536484c76c0df5b

  • SHA512

    45b67b60808ebf032d0e458287de7d8d9fc325e627fd372ae9c638a3d71d5e512725628b53446b017e9fa117062b9bddcce28a3571e5ebb71edc59434dcaf2a6

  • SSDEEP

    768:1PqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJZl2qXXxhLIi85IaCDP:9ok3hbdlylKsgqopeJBWhZFGkE+cL2Nk

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://syracuse.best/wp-data.php

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\67a6ae0924ee0a9ac880bb1183f4c6814a878a9a0a746f1f5536484c76c0df5b.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:1892
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" C:\Users\Public\Documents\hu4Rmq.txt,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:1540

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/1540-59-0x0000000000000000-mapping.dmp
  • memory/1892-54-0x000000002F201000-0x000000002F204000-memory.dmp
    Filesize

    12KB

  • memory/1892-55-0x0000000071B81000-0x0000000071B83000-memory.dmp
    Filesize

    8KB

  • memory/1892-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1892-57-0x0000000072B6D000-0x0000000072B78000-memory.dmp
    Filesize

    44KB

  • memory/1892-58-0x00000000760B1000-0x00000000760B3000-memory.dmp
    Filesize

    8KB

  • memory/1892-61-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1892-62-0x0000000072B6D000-0x0000000072B78000-memory.dmp
    Filesize

    44KB