Analysis

  • max time kernel
    148s
  • max time network
    152s
  • 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 23:37

General

  • Target

    c6b4359bfbd23a16b78aba27cd2d548eddf616e8b96448fe19bef1a4f26ac114.xlsm

  • Size

    20KB

  • MD5

    0ab4b87f8d8596a9e1da207eaf361e5f

  • SHA1

    f3b38034e64ad5bf9473fda971a6bd4ce2ced1ba

  • SHA256

    c6b4359bfbd23a16b78aba27cd2d548eddf616e8b96448fe19bef1a4f26ac114

  • SHA512

    08b0d5878971289e7995d66dfca5c9a1ec636a19bb856ff11b1ad80e60c957a585bf6f71550047158d3fea5565e7e6480f36661c4d1003b35b048d931ca83107

  • SSDEEP

    384:15Jm7qVb1GNjyo4CGzPd6ZIwBKb5CzgObff9kC+xbX7Qi9rc5:15J7IN+o4FLNCBn9kC+xbLQf

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://benconry.com/wp-includes/eUXuRrm1G6bRZ/

xlm40.dropper

http://actividades.laforetlanguages.com/wp-admin/PXMxDnqZrr/

xlm40.dropper

http://atbiotique.com/images/ESistuSH6DbQFkxTz/

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\c6b4359bfbd23a16b78aba27cd2d548eddf616e8b96448fe19bef1a4f26ac114.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:4144
    • 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:2868

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

    2KB

    MD5

    5fb35c280e72d6d742e7447f8231c77a

    SHA1

    a92414c82e302a8d7fd5428e17180b989b2d0faf

    SHA256

    5b0783bb9301c588c3fd3adbb004df51fce426b726cf12ece98a2e1672c73f5a

    SHA512

    9a8aff8f78bf41b68b797e0d73349556759688fa92bf1d77334ced5a006e21d2562aa16b0f5f40d5d074682ea08e4de6851f58fcb36c7f787dc1e6a5212eb4f9

  • C:\Users\Admin\kytk.dll

    Filesize

    6KB

    MD5

    c16ce81d99df3f8fcc14dee6884354cf

    SHA1

    7cbafe67db47973d52415430fcf7da87c0a6e9bf

    SHA256

    46edae29f49b47f8cd66b3ac609ad698a9a832c83710d2c536d0e63efe292770

    SHA512

    d8a7be3fff25e30f2c7362980b8018fdbaf87995918988a5ececd34fb2cd07580ce6c3318d8ac339483888796b721e2948b3937b712d11143221d76cd8cf6fc1

  • memory/4144-12-0x00007FFC52B50000-0x00007FFC52B60000-memory.dmp

    Filesize

    64KB

  • memory/4144-3-0x00007FFC94CCD000-0x00007FFC94CCE000-memory.dmp

    Filesize

    4KB

  • memory/4144-1-0x00007FFC54CB0000-0x00007FFC54CC0000-memory.dmp

    Filesize

    64KB

  • memory/4144-6-0x00007FFC54CB0000-0x00007FFC54CC0000-memory.dmp

    Filesize

    64KB

  • memory/4144-9-0x00007FFC94C30000-0x00007FFC94E25000-memory.dmp

    Filesize

    2.0MB

  • memory/4144-8-0x00007FFC94C30000-0x00007FFC94E25000-memory.dmp

    Filesize

    2.0MB

  • memory/4144-7-0x00007FFC94C30000-0x00007FFC94E25000-memory.dmp

    Filesize

    2.0MB

  • memory/4144-5-0x00007FFC94C30000-0x00007FFC94E25000-memory.dmp

    Filesize

    2.0MB

  • memory/4144-11-0x00007FFC94C30000-0x00007FFC94E25000-memory.dmp

    Filesize

    2.0MB

  • memory/4144-14-0x00007FFC94C30000-0x00007FFC94E25000-memory.dmp

    Filesize

    2.0MB

  • memory/4144-2-0x00007FFC54CB0000-0x00007FFC54CC0000-memory.dmp

    Filesize

    64KB

  • memory/4144-0-0x00007FFC54CB0000-0x00007FFC54CC0000-memory.dmp

    Filesize

    64KB

  • memory/4144-10-0x00007FFC94C30000-0x00007FFC94E25000-memory.dmp

    Filesize

    2.0MB

  • memory/4144-16-0x00007FFC94C30000-0x00007FFC94E25000-memory.dmp

    Filesize

    2.0MB

  • memory/4144-15-0x00007FFC94C30000-0x00007FFC94E25000-memory.dmp

    Filesize

    2.0MB

  • memory/4144-20-0x00007FFC94C30000-0x00007FFC94E25000-memory.dmp

    Filesize

    2.0MB

  • memory/4144-21-0x00007FFC94C30000-0x00007FFC94E25000-memory.dmp

    Filesize

    2.0MB

  • memory/4144-19-0x00007FFC94C30000-0x00007FFC94E25000-memory.dmp

    Filesize

    2.0MB

  • memory/4144-18-0x00007FFC94C30000-0x00007FFC94E25000-memory.dmp

    Filesize

    2.0MB

  • memory/4144-17-0x00007FFC94C30000-0x00007FFC94E25000-memory.dmp

    Filesize

    2.0MB

  • memory/4144-4-0x00007FFC54CB0000-0x00007FFC54CC0000-memory.dmp

    Filesize

    64KB

  • memory/4144-36-0x00007FFC94C30000-0x00007FFC94E25000-memory.dmp

    Filesize

    2.0MB

  • memory/4144-13-0x00007FFC52B50000-0x00007FFC52B60000-memory.dmp

    Filesize

    64KB