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Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    26/12/2023, 04:34

General

  • Target

    54870881afd3c6637871675748ff5097.xls

  • Size

    36KB

  • MD5

    54870881afd3c6637871675748ff5097

  • SHA1

    066dfe14a8250f5bb81f265eae805b6fedd164c3

  • SHA256

    34d7c28d654c98560dda7d8c7ff7e271464c70f1ae8f80e1434cdf5f45f5fe8c

  • SHA512

    f1034d2d77731405ecededacb388a046ceec6a4dcabbaef8dfe3d8ab9402d96d6989b876cd26fce888c991117046db1c3011a814f3a457d91f04785e3cfae4d9

  • SSDEEP

    768:BPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJxQJiey1ZLT1mViqsvqNwPryV:pok3hbdlylKsgqopeJBWhZFGkE+cL2NT

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
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\54870881afd3c6637871675748ff5097.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:2004
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" C:\Users\Public\Documents\PSm.txt,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:2692

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2004-1-0x0000000071D7D000-0x0000000071D88000-memory.dmp

    Filesize

    44KB

  • memory/2004-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2004-2-0x0000000071D7D000-0x0000000071D88000-memory.dmp

    Filesize

    44KB

  • memory/2004-3-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2004-4-0x0000000071D7D000-0x0000000071D88000-memory.dmp

    Filesize

    44KB