Analysis

  • max time kernel
    120s
  • max time network
    133s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    01-03-2024 03:37

General

  • Target

    b0398e7c21b496f5ffdb4072b8106b33.xls

  • Size

    36KB

  • MD5

    b0398e7c21b496f5ffdb4072b8106b33

  • SHA1

    502212ee9b160926894914a6c415a73850311efa

  • SHA256

    d6c1152b58e9824e2297666f13e67bc0a8cf46dbd57ab7b94957dc8f287c7dc4

  • SHA512

    0689f8fbc592da298b752ca5647ce04b4bf1d1da41f5c58cf753e511224c739e2808683633080de0e4188d9a7a2dec393328bb72140902c110c9b240c59e3cc5

  • SSDEEP

    768:NPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJEgQ57wSYbaVt5:lok3hbdlylKsgqopeJBWhZFGkE+cL2Nz

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
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\b0398e7c21b496f5ffdb4072b8106b33.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:2292
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" C:\Users\Public\Documents\I921F5C.txt,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:2056

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2292-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2292-1-0x00000000728DD000-0x00000000728E8000-memory.dmp

    Filesize

    44KB

  • memory/2292-2-0x00000000728DD000-0x00000000728E8000-memory.dmp

    Filesize

    44KB

  • memory/2292-3-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2292-4-0x00000000728DD000-0x00000000728E8000-memory.dmp

    Filesize

    44KB