Analysis

  • max time kernel
    133s
  • max time network
    140s
  • 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, 10:37

General

  • Target

    9f3792dda5bf1752ce0d2b97f110e12f16559a5a81b0295eb121510301ffff6c.xlsm

  • Size

    20KB

  • MD5

    24f60b9c1868193515db85e4131f9ede

  • SHA1

    4a3e643badb408ed1e918cf7a86ebba24f389aa5

  • SHA256

    9f3792dda5bf1752ce0d2b97f110e12f16559a5a81b0295eb121510301ffff6c

  • SHA512

    52a23e3072f989f122f2be17dda8b93afd1b57914ad3a0f75302791c995f8f6d207de0eda246e84aae4689b482c21e5a2890095e1093dc384122c68d7d1a6684

  • 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\9f3792dda5bf1752ce0d2b97f110e12f16559a5a81b0295eb121510301ffff6c.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:2592
    • 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:4972

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

    d53a20bae42d3e61cb16a5ad18e973d0

    SHA1

    5afdb5eeb62c72ccb4cb62349aa9247ed8d85507

    SHA256

    f8e932caeb370f124b6b7f90a86d8e4420d77ceaaebcab99c107e2b22b7f5da3

    SHA512

    b500f1b27888951ce0ed0bbb38eb8ce53af13211b69fe9edd85c11c43399197cea0e05f2fcea22130d0bc61ea03541cda6335ae350bebe335d73eba02c617f21

  • C:\Users\Admin\kytk.dll

    Filesize

    6KB

    MD5

    c16ce81d99df3f8fcc14dee6884354cf

    SHA1

    7cbafe67db47973d52415430fcf7da87c0a6e9bf

    SHA256

    46edae29f49b47f8cd66b3ac609ad698a9a832c83710d2c536d0e63efe292770

    SHA512

    d8a7be3fff25e30f2c7362980b8018fdbaf87995918988a5ececd34fb2cd07580ce6c3318d8ac339483888796b721e2948b3937b712d11143221d76cd8cf6fc1

  • memory/2592-7-0x00007FFA5AF70000-0x00007FFA5B165000-memory.dmp

    Filesize

    2.0MB

  • memory/2592-5-0x00007FFA1AFF0000-0x00007FFA1B000000-memory.dmp

    Filesize

    64KB

  • memory/2592-4-0x00007FFA1AFF0000-0x00007FFA1B000000-memory.dmp

    Filesize

    64KB

  • memory/2592-6-0x00007FFA5AF70000-0x00007FFA5B165000-memory.dmp

    Filesize

    2.0MB

  • memory/2592-0-0x00007FFA1AFF0000-0x00007FFA1B000000-memory.dmp

    Filesize

    64KB

  • memory/2592-8-0x00007FFA5AF70000-0x00007FFA5B165000-memory.dmp

    Filesize

    2.0MB

  • memory/2592-11-0x00007FFA5AF70000-0x00007FFA5B165000-memory.dmp

    Filesize

    2.0MB

  • memory/2592-12-0x00007FFA5AF70000-0x00007FFA5B165000-memory.dmp

    Filesize

    2.0MB

  • memory/2592-10-0x00007FFA5AF70000-0x00007FFA5B165000-memory.dmp

    Filesize

    2.0MB

  • memory/2592-14-0x00007FFA18690000-0x00007FFA186A0000-memory.dmp

    Filesize

    64KB

  • memory/2592-3-0x00007FFA1AFF0000-0x00007FFA1B000000-memory.dmp

    Filesize

    64KB

  • memory/2592-9-0x00007FFA5AF70000-0x00007FFA5B165000-memory.dmp

    Filesize

    2.0MB

  • memory/2592-13-0x00007FFA18690000-0x00007FFA186A0000-memory.dmp

    Filesize

    64KB

  • memory/2592-17-0x00007FFA5AF70000-0x00007FFA5B165000-memory.dmp

    Filesize

    2.0MB

  • memory/2592-16-0x00007FFA5AF70000-0x00007FFA5B165000-memory.dmp

    Filesize

    2.0MB

  • memory/2592-15-0x00007FFA5AF70000-0x00007FFA5B165000-memory.dmp

    Filesize

    2.0MB

  • memory/2592-2-0x00007FFA1AFF0000-0x00007FFA1B000000-memory.dmp

    Filesize

    64KB

  • memory/2592-32-0x00007FFA5AF70000-0x00007FFA5B165000-memory.dmp

    Filesize

    2.0MB

  • memory/2592-33-0x00007FFA5B00D000-0x00007FFA5B00E000-memory.dmp

    Filesize

    4KB

  • memory/2592-34-0x00007FFA5AF70000-0x00007FFA5B165000-memory.dmp

    Filesize

    2.0MB

  • memory/2592-35-0x00007FFA5AF70000-0x00007FFA5B165000-memory.dmp

    Filesize

    2.0MB

  • memory/2592-1-0x00007FFA5B00D000-0x00007FFA5B00E000-memory.dmp

    Filesize

    4KB