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Analysis

  • max time kernel
    121s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    31/12/2023, 03:17

General

  • Target

    260f43d3f3ae8929a8d131854e1c6c85.xls

  • Size

    35KB

  • MD5

    260f43d3f3ae8929a8d131854e1c6c85

  • SHA1

    8e6ad3d7b094756d9bae4fa0968fd7b18b62d8fd

  • SHA256

    40682d6097e4a500d37731e8ab41b11f61a479d975ff432d22004c619f54f832

  • SHA512

    1731250047743e4d17e6e4908971fc4d1a32d7cdf52bb59ab43c8766c5ecc097902e496dc90fb0f90eebc5ddb97592958f1707b2cdc25fd4a21af4e6fb8e21b8

  • SSDEEP

    768:OPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJK/G9aLXb84Zzd:yok3hbdlylKsgqopeJBWhZFGkE+cL2Nl

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\260f43d3f3ae8929a8d131854e1c6c85.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:1360
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" C:\Users\Public\Documents\Y3zgLq1.txt,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:2576

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1360-1-0x000000007243D000-0x0000000072448000-memory.dmp

    Filesize

    44KB

  • memory/1360-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1360-2-0x000000007243D000-0x0000000072448000-memory.dmp

    Filesize

    44KB

  • memory/1360-3-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1360-4-0x000000007243D000-0x0000000072448000-memory.dmp

    Filesize

    44KB