Analysis

  • max time kernel
    121s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    26-12-2023 09:53

General

  • Target

    6533ebb305b8ec6171acbfdf1cb9d8c1.xls

  • Size

    37KB

  • MD5

    6533ebb305b8ec6171acbfdf1cb9d8c1

  • SHA1

    5c7ef00abccf8eb6ee04fbcef501001d1e3de8bc

  • SHA256

    da8caea69dceb74167452937c467602abe04419bfabd539914d3809e637965fc

  • SHA512

    fbb46b6ebdc674b6bd3a657a87d440914d8a2dc0ac75ba177245943dc5bb335e80acdc08a53d874aa441f9cb4bb2e67b20d59ca92a5179c572635549bdda1bd1

  • SSDEEP

    768:QPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJ9AC12PeaTnsBbXtGS:8ok3hbdlylKsgqopeJBWhZFGkE+cL2N8

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://markens.online/wp-data.php

xlm40.dropper

https://statedauto.com/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\6533ebb305b8ec6171acbfdf1cb9d8c1.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:1256
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" C:\Users\Public\Documents\N7NpZ.txt,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:2624

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1256-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1256-1-0x00000000720BD000-0x00000000720C8000-memory.dmp

    Filesize

    44KB

  • memory/1256-2-0x00000000720BD000-0x00000000720C8000-memory.dmp

    Filesize

    44KB

  • memory/1256-3-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1256-4-0x00000000720BD000-0x00000000720C8000-memory.dmp

    Filesize

    44KB