Analysis

  • max time kernel
    119s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    25-01-2024 11:16

General

  • Target

    748e5c3284daf167379cca28d2e7064f.xls

  • Size

    35KB

  • MD5

    748e5c3284daf167379cca28d2e7064f

  • SHA1

    f5c71ad5359b74ec20e112983cb0063fb3b4b80b

  • SHA256

    ef1012355c77a6ff48b7daccfd1cc435cc780281f9f56094f83010f20b718ea0

  • SHA512

    51f2df51fb7f1c43d8ea993c3fb096969a7f5037a3c3670dc23916284cc9aac143a8b040d6b3b8aa760eff5a8917127ce955ef4d5bb347cf38a0f6d64fe1628d

  • SSDEEP

    768:7PqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJIYH9sM95V+ETtZmM24:Dok3hbdlylKsgqopeJBWhZFGkE+cL2N8

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://skill.fashion/wp-data.php

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\748e5c3284daf167379cca28d2e7064f.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:2220
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" C:\Users\Public\Documents\RQCNIJef.txt,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:2636

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2220-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2220-1-0x0000000072C5D000-0x0000000072C68000-memory.dmp

    Filesize

    44KB

  • memory/2220-2-0x0000000072C5D000-0x0000000072C68000-memory.dmp

    Filesize

    44KB

  • memory/2220-3-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2220-4-0x0000000072C5D000-0x0000000072C68000-memory.dmp

    Filesize

    44KB