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, 13:44

General

  • Target

    b4c944aae926eca8579970763d5ad5936634971f6609fbf544fde331687f0639.xls

  • Size

    47KB

  • MD5

    bcfc1fad95adbf36fc4549fa72bebe8b

  • SHA1

    01e4bf2fa38064121bdca1ebb084a990e8905a9c

  • SHA256

    b4c944aae926eca8579970763d5ad5936634971f6609fbf544fde331687f0639

  • SHA512

    6ef8dfe1c7827bf00c7ba94e7225ec01cfafc34eb4db626a989f2bf85771cc052135af03484093b96f0fdb444e006a584577159e7acf5853d381717561d300a8

  • SSDEEP

    768:yDM52tfQXi8vgLZkTOHkQT51Vp6AwPdM8gQ6JOiX6DGwUk7qHDSEuRZjiBp5j:y62tfQXi8vgLZkTOHkQT51Vp6AwPe8gx

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\b4c944aae926eca8579970763d5ad5936634971f6609fbf544fde331687f0639.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:1620
    • C:\Windows\SYSTEM32\regsvr32.exe
      regsvr32.exe ..\wnrul.ocx
      2⤵
      • Process spawned unexpected child process
      PID:4016

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

    3KB

    MD5

    0f3945f69c5de6e1354c4d28d8e6a74e

    SHA1

    a9f3ba7d391fbdeac31fa69d5dedf85585384d77

    SHA256

    af9eb532002fdb16280d0ebd0c44df5a71f121e65cae26303ff7cbee999727a4

    SHA512

    86895f7af78407f84fd09cc3296aae49133f70c7a03e4002837a0e0ab059650fa8612b012f0edae711bec47b2e129920458ce18143274e394ad05ed8f7cd90ad

  • C:\Users\Admin\wnrul.ocx

    Filesize

    3KB

    MD5

    cc666088a917dd7f5da8b6689069aec0

    SHA1

    f688de634ccd20939a522391abb5049483e726bd

    SHA256

    332d102987273318f13e7fc89a043613c6dd5dd7eb7d21033a2ab73dd438a405

    SHA512

    77a15aebeb10d355e3723fdebd2ea59a09a60d54f09ab9a6f06c52dbfa3bea0965ff49b7a1c2e6f4ff94f3fe903e6301188de2f80801a8a978c8c09b3356c8dc

  • memory/1620-19-0x00007FFC7BDB0000-0x00007FFC7BFA5000-memory.dmp

    Filesize

    2.0MB

  • memory/1620-45-0x00007FFC7BDB0000-0x00007FFC7BFA5000-memory.dmp

    Filesize

    2.0MB

  • memory/1620-6-0x00007FFC7BDB0000-0x00007FFC7BFA5000-memory.dmp

    Filesize

    2.0MB

  • memory/1620-5-0x00007FFC3BE30000-0x00007FFC3BE40000-memory.dmp

    Filesize

    64KB

  • memory/1620-3-0x00007FFC3BE30000-0x00007FFC3BE40000-memory.dmp

    Filesize

    64KB

  • memory/1620-2-0x00007FFC3BE30000-0x00007FFC3BE40000-memory.dmp

    Filesize

    64KB

  • memory/1620-0-0x00007FFC3BE30000-0x00007FFC3BE40000-memory.dmp

    Filesize

    64KB

  • memory/1620-10-0x00007FFC7BDB0000-0x00007FFC7BFA5000-memory.dmp

    Filesize

    2.0MB

  • memory/1620-9-0x00007FFC7BDB0000-0x00007FFC7BFA5000-memory.dmp

    Filesize

    2.0MB

  • memory/1620-13-0x00007FFC7BDB0000-0x00007FFC7BFA5000-memory.dmp

    Filesize

    2.0MB

  • memory/1620-14-0x00007FFC7BDB0000-0x00007FFC7BFA5000-memory.dmp

    Filesize

    2.0MB

  • memory/1620-16-0x00007FFC7BDB0000-0x00007FFC7BFA5000-memory.dmp

    Filesize

    2.0MB

  • memory/1620-7-0x00007FFC7BDB0000-0x00007FFC7BFA5000-memory.dmp

    Filesize

    2.0MB

  • memory/1620-1-0x00007FFC7BE4D000-0x00007FFC7BE4E000-memory.dmp

    Filesize

    4KB

  • memory/1620-17-0x00007FFC7BDB0000-0x00007FFC7BFA5000-memory.dmp

    Filesize

    2.0MB

  • memory/1620-15-0x00007FFC7BDB0000-0x00007FFC7BFA5000-memory.dmp

    Filesize

    2.0MB

  • memory/1620-12-0x00007FFC7BDB0000-0x00007FFC7BFA5000-memory.dmp

    Filesize

    2.0MB

  • memory/1620-11-0x00007FFC39C70000-0x00007FFC39C80000-memory.dmp

    Filesize

    64KB

  • memory/1620-21-0x00007FFC39C70000-0x00007FFC39C80000-memory.dmp

    Filesize

    64KB

  • memory/1620-36-0x00007FFC7BDB0000-0x00007FFC7BFA5000-memory.dmp

    Filesize

    2.0MB

  • memory/1620-8-0x00007FFC7BDB0000-0x00007FFC7BFA5000-memory.dmp

    Filesize

    2.0MB

  • memory/1620-42-0x00007FFC7BE4D000-0x00007FFC7BE4E000-memory.dmp

    Filesize

    4KB

  • memory/1620-43-0x00007FFC7BDB0000-0x00007FFC7BFA5000-memory.dmp

    Filesize

    2.0MB

  • memory/1620-44-0x00007FFC7BDB0000-0x00007FFC7BFA5000-memory.dmp

    Filesize

    2.0MB

  • memory/1620-18-0x00007FFC7BDB0000-0x00007FFC7BFA5000-memory.dmp

    Filesize

    2.0MB

  • memory/1620-46-0x00007FFC7BDB0000-0x00007FFC7BFA5000-memory.dmp

    Filesize

    2.0MB

  • memory/1620-4-0x00007FFC3BE30000-0x00007FFC3BE40000-memory.dmp

    Filesize

    64KB