Analysis

  • max time kernel
    122s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    26-12-2023 07:47

General

  • Target

    5d75be100260055c4ebc572168c23033.xls

  • Size

    35KB

  • MD5

    5d75be100260055c4ebc572168c23033

  • SHA1

    d8b07eff6861699f9a131d4be50bbff5ad6a8f4c

  • SHA256

    94c44883536d1e3cee76df9aa7505836833bbc9c0d0703afaed532ef4b7cc373

  • SHA512

    5453a8ce21b5349fdd00332460eee9a6b76fbdee38e817d33822f3a422f80d8880d75a1cbb3da1758e1d323ad76283aa27869c5fbce4ea1424ca67b543445f05

  • SSDEEP

    768:vPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJPlMaPjzciK2UKAScaBKpb:Hok3hbdlylKsgqopeJBWhZFGkE+cL2Nx

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\5d75be100260055c4ebc572168c23033.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:2072
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" C:\Users\Public\Documents\nmUzD.txt,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:2780

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2072-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2072-1-0x000000007263D000-0x0000000072648000-memory.dmp

    Filesize

    44KB

  • memory/2072-2-0x000000007263D000-0x0000000072648000-memory.dmp

    Filesize

    44KB

  • memory/2072-3-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2072-4-0x000000007263D000-0x0000000072648000-memory.dmp

    Filesize

    44KB