Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    29-02-2024 18:13

General

  • Target

    af249c7fb27413495971c8588f3d42c9.xls

  • Size

    36KB

  • MD5

    af249c7fb27413495971c8588f3d42c9

  • SHA1

    42b3ce6a60e817547519f9f03967ab7135ec65e6

  • SHA256

    230fcf27eda1602129a154d1ef142710b4c256eb23f11ab3a1d7e8dc048f0e08

  • SHA512

    7b9b583bd45cece2cd4e158a7a5059c4efa55180349b9fc02a9e5d1d6b1cb046e0b94ec80110999797cf9459bfae0ace0f20e27e77b1c30397ac649c260779d3

  • SSDEEP

    768:EPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJrlvqa63faq:gok3hbdlylKsgqopeJBWhZFGkE+cL2Nx

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://markens.online/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\af249c7fb27413495971c8588f3d42c9.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:1688
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" C:\Users\Public\Documents\U8n.txt,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:2808

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1688-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1688-1-0x0000000071EED000-0x0000000071EF8000-memory.dmp

    Filesize

    44KB

  • memory/1688-2-0x0000000071EED000-0x0000000071EF8000-memory.dmp

    Filesize

    44KB

  • memory/1688-3-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1688-4-0x0000000071EED000-0x0000000071EF8000-memory.dmp

    Filesize

    44KB