Analysis

  • max time kernel
    132s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    22-12-2023 17:16

General

  • Target

    fd2c13d41aa7389178f19a6f7bf51883.xls

  • Size

    35KB

  • MD5

    fd2c13d41aa7389178f19a6f7bf51883

  • SHA1

    7c1781e8945cd67bf9f464357c03e36bfabdd5ad

  • SHA256

    7ceb282897290b35e2ef47f4fb389160d1529855537710904f46b4dc2c1f124c

  • SHA512

    4dc4347dbfc9d0456571ac381516f1ce22c616ecc172243645b1de9360229814a92fea9b37b6d1732ea8617b176b97937318da57389bde01eb15b6042cf9e793

  • SSDEEP

    768:LPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJlPI3dwohB3/cpOd:zok3hbdlylKsgqopeJBWhZFGkE+cL2ND

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://syracuse.best/wp-data.php

xlm40.dropper

https://skill.fashion/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\fd2c13d41aa7389178f19a6f7bf51883.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:1956
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" C:\Users\Public\Documents\yraULPnF.txt,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:268

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1956-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1956-1-0x00000000724BD000-0x00000000724C8000-memory.dmp

    Filesize

    44KB

  • memory/1956-2-0x00000000724BD000-0x00000000724C8000-memory.dmp

    Filesize

    44KB

  • memory/1956-3-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1956-4-0x00000000724BD000-0x00000000724C8000-memory.dmp

    Filesize

    44KB