Analysis

  • max time kernel
    133s
  • max time network
    138s
  • 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 20:38

General

  • Target

    3b340212b863324ef8c0228aff6bcb6c008ce08160c31d02c3b18b362e4f0bff.xls

  • Size

    47KB

  • MD5

    0b96bcfb5376095b15ee29633feae05b

  • SHA1

    94241c3bdc25b33d595ec38c2132be0ffc2d41a0

  • SHA256

    3b340212b863324ef8c0228aff6bcb6c008ce08160c31d02c3b18b362e4f0bff

  • SHA512

    b6841d24ff52cde810babf185c929657b727e205270f157c9413a44d2646053827e3cdc9a8e000b8d011f53feddc021228383fd178007332d70c0a92eabadfa2

  • SSDEEP

    768:yDM52tfQXi8vgLZkTOHkQT51Vp6AwPdM8gQ6JOiX6DGwUk7qHDSEuRZjiBp5H:y62tfQXi8vgLZkTOHkQT51Vp6AwPe8gV

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://eleselektromekanik.com/69Iq5Pwbd0/s/

xlm40.dropper

https://demo.icn.com.np/stories/Qk/

xlm40.dropper

http://demo34.ckg.hk/service/Atk7RQfUV673M/

xlm40.dropper

https://bitmovil.mx/css/TrgyPiTXy3/

xlm40.dropper

http://dupot.cz/tvhost/DUnMUvwZOhQs/

xlm40.dropper

http://focanainternet.com.br/erros/DepAK3p1Y/

Signatures

  • Process spawned unexpected child process 1 IoCs

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

  • 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 14 IoCs
  • Suspicious use of WriteProcessMemory 2 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\3b340212b863324ef8c0228aff6bcb6c008ce08160c31d02c3b18b362e4f0bff.xls"
    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:4720
    • C:\Windows\SYSTEM32\regsvr32.exe
      regsvr32.exe ..\wnrul.ocx
      2⤵
      • Process spawned unexpected child process
      PID:4512

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    677B

    MD5

    a8871ecf1789f5d9dbda2838d0eec4fb

    SHA1

    c3a245953879b5eb9c3d97e5785799228b5a45bd

    SHA256

    e6bcc9c59f10debfae5ed05f051c5d9f9d312bd435695f57dfc8c56bdca03e51

    SHA512

    67dbdc2abfb7a29f7c1cddba254bcbfdae79db97d4286cdac98ccc3aad9a2b5af700dd99d1ec24a4233fb8b60e3ba3072a5a19ca7ac87a4484ab180410f1e541

  • C:\Users\Admin\wnrul.ocx

    Filesize

    3KB

    MD5

    cc666088a917dd7f5da8b6689069aec0

    SHA1

    f688de634ccd20939a522391abb5049483e726bd

    SHA256

    332d102987273318f13e7fc89a043613c6dd5dd7eb7d21033a2ab73dd438a405

    SHA512

    77a15aebeb10d355e3723fdebd2ea59a09a60d54f09ab9a6f06c52dbfa3bea0965ff49b7a1c2e6f4ff94f3fe903e6301188de2f80801a8a978c8c09b3356c8dc

  • memory/4720-17-0x00007FFBA1180000-0x00007FFBA1190000-memory.dmp

    Filesize

    64KB

  • memory/4720-10-0x00007FFBE31B0000-0x00007FFBE33A5000-memory.dmp

    Filesize

    2.0MB

  • memory/4720-18-0x00007FFBE31B0000-0x00007FFBE33A5000-memory.dmp

    Filesize

    2.0MB

  • memory/4720-5-0x00007FFBA3230000-0x00007FFBA3240000-memory.dmp

    Filesize

    64KB

  • memory/4720-12-0x00007FFBE31B0000-0x00007FFBE33A5000-memory.dmp

    Filesize

    2.0MB

  • memory/4720-11-0x00007FFBE31B0000-0x00007FFBE33A5000-memory.dmp

    Filesize

    2.0MB

  • memory/4720-13-0x00007FFBE31B0000-0x00007FFBE33A5000-memory.dmp

    Filesize

    2.0MB

  • memory/4720-9-0x00007FFBE31B0000-0x00007FFBE33A5000-memory.dmp

    Filesize

    2.0MB

  • memory/4720-15-0x00007FFBE31B0000-0x00007FFBE33A5000-memory.dmp

    Filesize

    2.0MB

  • memory/4720-14-0x00007FFBE31B0000-0x00007FFBE33A5000-memory.dmp

    Filesize

    2.0MB

  • memory/4720-1-0x00007FFBE324D000-0x00007FFBE324E000-memory.dmp

    Filesize

    4KB

  • memory/4720-19-0x00007FFBE31B0000-0x00007FFBE33A5000-memory.dmp

    Filesize

    2.0MB

  • memory/4720-4-0x00007FFBA3230000-0x00007FFBA3240000-memory.dmp

    Filesize

    64KB

  • memory/4720-3-0x00007FFBA3230000-0x00007FFBA3240000-memory.dmp

    Filesize

    64KB

  • memory/4720-16-0x00007FFBA1180000-0x00007FFBA1190000-memory.dmp

    Filesize

    64KB

  • memory/4720-8-0x00007FFBE31B0000-0x00007FFBE33A5000-memory.dmp

    Filesize

    2.0MB

  • memory/4720-7-0x00007FFBE31B0000-0x00007FFBE33A5000-memory.dmp

    Filesize

    2.0MB

  • memory/4720-6-0x00007FFBE31B0000-0x00007FFBE33A5000-memory.dmp

    Filesize

    2.0MB

  • memory/4720-32-0x00007FFBE31B0000-0x00007FFBE33A5000-memory.dmp

    Filesize

    2.0MB

  • memory/4720-34-0x00007FFBE324D000-0x00007FFBE324E000-memory.dmp

    Filesize

    4KB

  • memory/4720-35-0x00007FFBE31B0000-0x00007FFBE33A5000-memory.dmp

    Filesize

    2.0MB

  • memory/4720-36-0x00007FFBE31B0000-0x00007FFBE33A5000-memory.dmp

    Filesize

    2.0MB

  • memory/4720-2-0x00007FFBA3230000-0x00007FFBA3240000-memory.dmp

    Filesize

    64KB

  • memory/4720-42-0x00007FFBE31B0000-0x00007FFBE33A5000-memory.dmp

    Filesize

    2.0MB

  • memory/4720-0-0x00007FFBA3230000-0x00007FFBA3240000-memory.dmp

    Filesize

    64KB