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Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/11/2024, 18:10

General

  • Target

    a2ce2b1e64c5fe978aeb033cab952bbebcd59e046f93350aadcd2cc84d67014d.xlsm

  • Size

    20KB

  • MD5

    481287127a9efe0f676dd35537546a31

  • SHA1

    fdd8ac9fb90cadda552165decee8f32c4ae9678d

  • SHA256

    a2ce2b1e64c5fe978aeb033cab952bbebcd59e046f93350aadcd2cc84d67014d

  • SHA512

    19115c6bd5b6264930c7d83a340dabe4ce9d60a96ab4155a8a0559808ebcf768a5ed50ba2f59a5dddde7c0b0a66f89ba8e04a3bbc27787d7b0f5b986b864de06

  • SSDEEP

    384:WKAVb1GNjYTo4CGzPd6ZIwL0AOKb5CzgObff9kC+xbX7jvIv:WKYINmo4FLyCBn9kC+xbLA

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://www.manchesterslt.co.uk/a-to-z-of-slt/9wq2ESVcG/

xlm40.dropper

http://festival.artdialog.ch/contact/RGhcwH4DRBM/

xlm40.dropper

http://bramynapilota.com.pl/wp-admin/NHk/

xlm40.dropper

http://brwconsultoria.com.br/img/Vl0i9o/

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\a2ce2b1e64c5fe978aeb033cab952bbebcd59e046f93350aadcd2cc84d67014d.xlsm"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2324
    • C:\Windows\SysWow64\regsvr32.exe
      C:\Windows\SysWow64\regsvr32.exe -s ..\kytk.dll
      2⤵
      • Process spawned unexpected child process
      • System Location Discovery: System Language Discovery
      PID:3316

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\kytk.dll

    Filesize

    1KB

    MD5

    1326c16a18441423830933fbb3a6a290

    SHA1

    d62b5f0ec9ae7a82209938c347311519b9fc1084

    SHA256

    3bb40456027c77d05b991e4686f10e51739a6ebdca3e33ec5edcd1e2c28b34cf

    SHA512

    2b9076d43ccc836c89bcd4cc1946008b1d0268edf432d37659960f4ffb9836ca65e638b61305f374ba71b2fa21ac3210482c0e6287288e75bcd44d4fbeb3e528

  • memory/2324-13-0x00007FFB463F0000-0x00007FFB465E5000-memory.dmp

    Filesize

    2.0MB

  • memory/2324-9-0x00007FFB463F0000-0x00007FFB465E5000-memory.dmp

    Filesize

    2.0MB

  • memory/2324-5-0x00007FFB06470000-0x00007FFB06480000-memory.dmp

    Filesize

    64KB

  • memory/2324-4-0x00007FFB06470000-0x00007FFB06480000-memory.dmp

    Filesize

    64KB

  • memory/2324-0-0x00007FFB06470000-0x00007FFB06480000-memory.dmp

    Filesize

    64KB

  • memory/2324-6-0x00007FFB463F0000-0x00007FFB465E5000-memory.dmp

    Filesize

    2.0MB

  • memory/2324-1-0x00007FFB4648D000-0x00007FFB4648E000-memory.dmp

    Filesize

    4KB

  • memory/2324-10-0x00007FFB463F0000-0x00007FFB465E5000-memory.dmp

    Filesize

    2.0MB

  • memory/2324-8-0x00007FFB463F0000-0x00007FFB465E5000-memory.dmp

    Filesize

    2.0MB

  • memory/2324-7-0x00007FFB463F0000-0x00007FFB465E5000-memory.dmp

    Filesize

    2.0MB

  • memory/2324-2-0x00007FFB06470000-0x00007FFB06480000-memory.dmp

    Filesize

    64KB

  • memory/2324-11-0x00007FFB04410000-0x00007FFB04420000-memory.dmp

    Filesize

    64KB

  • memory/2324-17-0x00007FFB463F0000-0x00007FFB465E5000-memory.dmp

    Filesize

    2.0MB

  • memory/2324-14-0x00007FFB463F0000-0x00007FFB465E5000-memory.dmp

    Filesize

    2.0MB

  • memory/2324-18-0x00007FFB463F0000-0x00007FFB465E5000-memory.dmp

    Filesize

    2.0MB

  • memory/2324-19-0x00007FFB463F0000-0x00007FFB465E5000-memory.dmp

    Filesize

    2.0MB

  • memory/2324-12-0x00007FFB04410000-0x00007FFB04420000-memory.dmp

    Filesize

    64KB

  • memory/2324-16-0x00007FFB463F0000-0x00007FFB465E5000-memory.dmp

    Filesize

    2.0MB

  • memory/2324-15-0x00007FFB463F0000-0x00007FFB465E5000-memory.dmp

    Filesize

    2.0MB

  • memory/2324-3-0x00007FFB06470000-0x00007FFB06480000-memory.dmp

    Filesize

    64KB

  • memory/2324-48-0x00007FFB463F0000-0x00007FFB465E5000-memory.dmp

    Filesize

    2.0MB

  • memory/2324-49-0x00007FFB4648D000-0x00007FFB4648E000-memory.dmp

    Filesize

    4KB

  • memory/2324-50-0x00007FFB463F0000-0x00007FFB465E5000-memory.dmp

    Filesize

    2.0MB

  • memory/2324-51-0x00007FFB463F0000-0x00007FFB465E5000-memory.dmp

    Filesize

    2.0MB