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Analysis

  • max time kernel
    220s
  • max time network
    221s
  • 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

    9658b06d492b72734f6955e02ae53ce581d83e83e63c2ee5d3bcf04bb40725e1.xls

  • Size

    36KB

  • MD5

    aece997c7e8b36100f472b096092bc1d

  • SHA1

    c341c1ac189a744d0fd3287171ab3e6cabad165f

  • SHA256

    9658b06d492b72734f6955e02ae53ce581d83e83e63c2ee5d3bcf04bb40725e1

  • SHA512

    4a4c204e5570fbdc2a2ecbe5056dec466d83fd7569bd9aceaa762d14e5ad62544a8010ed505177320795f19b6518881eee4d2af2ab0b7a3a46fab466058f5e93

  • SSDEEP

    768:lPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJKJGGvEG8nsvHYvtvZBIg:Nok3hbdlylKsgqopeJBWhZFGkE+cL2NS

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\9658b06d492b72734f6955e02ae53ce581d83e83e63c2ee5d3bcf04bb40725e1.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:1108
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" C:\Users\Public\Documents\oZyalNLj.txt,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:840

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1108-54-0x000000002FCB1000-0x000000002FCB4000-memory.dmp

    Filesize

    12KB

  • memory/1108-55-0x0000000071781000-0x0000000071783000-memory.dmp

    Filesize

    8KB

  • memory/1108-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1108-57-0x00000000763D1000-0x00000000763D3000-memory.dmp

    Filesize

    8KB

  • memory/1108-58-0x000000007276D000-0x0000000072778000-memory.dmp

    Filesize

    44KB

  • memory/1108-59-0x000000007276D000-0x0000000072778000-memory.dmp

    Filesize

    44KB

  • memory/1108-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1108-63-0x000000007276D000-0x0000000072778000-memory.dmp

    Filesize

    44KB