Analysis

  • max time kernel
    133s
  • max time network
    151s
  • 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, 13:03

General

  • Target

    96c5484990f88c7e621c233eaeb85f13a4cbcecb160a46c6197fd2ebb524be26.xlsm

  • Size

    20KB

  • MD5

    e9d8a1f052e7c4e8fb3a6f22e5365e04

  • SHA1

    89a77b7a903f8733bd13966461fe4e271c6a2559

  • SHA256

    96c5484990f88c7e621c233eaeb85f13a4cbcecb160a46c6197fd2ebb524be26

  • SHA512

    feca417ebe7b34465ff486953504e0077943be4f8d847a55415625499fa05839dcb8c862a64cc9162bf483af74fb616af6df11980277a8cb33c0bde93786e8a2

  • 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\96c5484990f88c7e621c233eaeb85f13a4cbcecb160a46c6197fd2ebb524be26.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:544
    • 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:3968

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

    Filesize

    1KB

    MD5

    1a05f5d538727c725f0b8b1a4c78324e

    SHA1

    34bf5a84b143624644a844ae28ac00ed2d7915ee

    SHA256

    75f86c2692bbdc5645ed747437f41d29a1dc039b295c42c5f0f8a4f474a670ff

    SHA512

    7e82fe667456b5e814ac619fc3bed9e268a171547c2df4a0702ffb2840acdfd406ea7a011ab493f845ad6667b6d208c741ab9c73c4701a2ec677126a46096e4a

  • C:\Users\Admin\kytk.dll

    Filesize

    1KB

    MD5

    1326c16a18441423830933fbb3a6a290

    SHA1

    d62b5f0ec9ae7a82209938c347311519b9fc1084

    SHA256

    3bb40456027c77d05b991e4686f10e51739a6ebdca3e33ec5edcd1e2c28b34cf

    SHA512

    2b9076d43ccc836c89bcd4cc1946008b1d0268edf432d37659960f4ffb9836ca65e638b61305f374ba71b2fa21ac3210482c0e6287288e75bcd44d4fbeb3e528

  • memory/544-4-0x00007FFB44A10000-0x00007FFB44A20000-memory.dmp

    Filesize

    64KB

  • memory/544-7-0x00007FFB44A10000-0x00007FFB44A20000-memory.dmp

    Filesize

    64KB

  • memory/544-5-0x00007FFB84990000-0x00007FFB84B85000-memory.dmp

    Filesize

    2.0MB

  • memory/544-1-0x00007FFB84A2D000-0x00007FFB84A2E000-memory.dmp

    Filesize

    4KB

  • memory/544-6-0x00007FFB84990000-0x00007FFB84B85000-memory.dmp

    Filesize

    2.0MB

  • memory/544-8-0x00007FFB84990000-0x00007FFB84B85000-memory.dmp

    Filesize

    2.0MB

  • memory/544-9-0x00007FFB84990000-0x00007FFB84B85000-memory.dmp

    Filesize

    2.0MB

  • memory/544-10-0x00007FFB84990000-0x00007FFB84B85000-memory.dmp

    Filesize

    2.0MB

  • memory/544-11-0x00007FFB42650000-0x00007FFB42660000-memory.dmp

    Filesize

    64KB

  • memory/544-2-0x00007FFB44A10000-0x00007FFB44A20000-memory.dmp

    Filesize

    64KB

  • memory/544-13-0x00007FFB84990000-0x00007FFB84B85000-memory.dmp

    Filesize

    2.0MB

  • memory/544-12-0x00007FFB84990000-0x00007FFB84B85000-memory.dmp

    Filesize

    2.0MB

  • memory/544-14-0x00007FFB42650000-0x00007FFB42660000-memory.dmp

    Filesize

    64KB

  • memory/544-3-0x00007FFB44A10000-0x00007FFB44A20000-memory.dmp

    Filesize

    64KB

  • memory/544-43-0x00007FFB84990000-0x00007FFB84B85000-memory.dmp

    Filesize

    2.0MB

  • memory/544-44-0x00007FFB84A2D000-0x00007FFB84A2E000-memory.dmp

    Filesize

    4KB

  • memory/544-45-0x00007FFB84990000-0x00007FFB84B85000-memory.dmp

    Filesize

    2.0MB

  • memory/544-0-0x00007FFB44A10000-0x00007FFB44A20000-memory.dmp

    Filesize

    64KB