Analysis

  • max time kernel
    105s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    29-01-2023 19:21

General

  • Target

    5cf81b88b6829c47f85d967f330489b44603e337d500905eababbc29ef95ad5f.xls

  • Size

    36KB

  • MD5

    38a4ba177314552216683a3b00ea11e5

  • SHA1

    f9ff2bec229ee5c4c42931a17917156e88fb20a9

  • SHA256

    5cf81b88b6829c47f85d967f330489b44603e337d500905eababbc29ef95ad5f

  • SHA512

    e813bb6486b2c293b15bf78bc6b206d5a1e4e8933d6cf8c4ce6c9455a740b2b9d4aea9d9ddd295e0ce776ab9fea68e6cd69387b44e9571b700d333d2bdbb298f

  • SSDEEP

    768:3PqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJRSOhuJD6eFluuXvM:/ok3hbdlylKsgqopeJBWhZFGkE+cL2N+

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\5cf81b88b6829c47f85d967f330489b44603e337d500905eababbc29ef95ad5f.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:1484
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" C:\Users\Public\Documents\Il4dXfl.txt,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:840

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/840-60-0x0000000000000000-mapping.dmp
  • memory/1484-54-0x000000002F411000-0x000000002F414000-memory.dmp
    Filesize

    12KB

  • memory/1484-55-0x0000000071CA1000-0x0000000071CA3000-memory.dmp
    Filesize

    8KB

  • memory/1484-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1484-57-0x0000000072C8D000-0x0000000072C98000-memory.dmp
    Filesize

    44KB

  • memory/1484-58-0x0000000076BA1000-0x0000000076BA3000-memory.dmp
    Filesize

    8KB

  • memory/1484-59-0x0000000072C8D000-0x0000000072C98000-memory.dmp
    Filesize

    44KB

  • memory/1484-62-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1484-63-0x0000000072C8D000-0x0000000072C98000-memory.dmp
    Filesize

    44KB