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Analysis

  • max time kernel
    126s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    26/12/2023, 03:25

General

  • Target

    501af3b2dae97eb94cdd731516882e71.xls

  • Size

    35KB

  • MD5

    501af3b2dae97eb94cdd731516882e71

  • SHA1

    ca10c611e72c9539c56ac3754d29deef269375c8

  • SHA256

    462b9c3c22cc64c3b38d090695b566ada4635ceee426548415b101a0bc74b7c7

  • SHA512

    4314d5720f48fc0493818240a700a08b47349c87e2d683e824110f00a531b04c432692515a457a70e40703b7a3487b0af6cbd6169ed9f1f6fd7b31f017b887d9

  • SSDEEP

    768:HPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJK2N9OBp47VCBaWjj5izC:vok3hbdlylKsgqopeJBWhZFGkE+cL2N1

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\501af3b2dae97eb94cdd731516882e71.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:2788
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" C:\Users\Public\Documents\sBG1SXG.txt,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:336

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2788-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2788-1-0x000000007205D000-0x0000000072068000-memory.dmp

    Filesize

    44KB

  • memory/2788-2-0x000000007205D000-0x0000000072068000-memory.dmp

    Filesize

    44KB

  • memory/2788-3-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2788-4-0x000000007205D000-0x0000000072068000-memory.dmp

    Filesize

    44KB