Author: Maria Emreen Viray   
 

TrojanDownloader:O97M/Emotet.SM!MTB (MICROSOFT)

 PLATFORM:

Windows

 OVER ALL RISK RATING:
 DAMAGE POTENTIAL::
 DISTRIBUTION POTENTIAL::
 REPORTED INFECTION:
 INFORMATION EXPOSURE:
Low
Medium
High
Critical

  • Threat Type:
    Trojan

  • Destructiveness:
    No

  • Encrypted:
     

  • In the wild::
    Yes

  OVERVIEW

It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

  TECHNICAL DETAILS

File size: 154,112 bytes
File type: XLS
Memory resident: No
INITIAL SAMPLES RECEIVED DATE: 14 lutego 2022

Detalles de entrada

It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Instalación

Infiltra los archivos siguientes:

  • %ProgramData%\wetidjks.vbs
  • %ProgramData%\jledshf.bat
  • %ProgramData%\vbkwk.dll

Agrega los procesos siguientes:

  • wscript %ProgramData%\wetidjks.vbs
  • cmd /c ""%ProgramData%\jledshf.bat" "
  • powershell -enc {encoded string}
  • "%System%\cmd.exe" /c start /B %Windows%\syswow64\rundll32.exe %ProgramData%\vbkwk.dll,dfsgeresd

(Nota: %Windows% es la carpeta de Windows, que suele estar en C:\Windows o C:\WINNT).

)

Otros detalles

It connects to the following possibly malicious URL:

  • http://actividades.{BLOCKED}tlanguages.com/wp-admin/BlkdOKDXL/
  • http://{BLOCKED}live.com.br/rjuz/w/
  • https://{BLOCKED}x.com/wp-admin/y5Aa1jt0Sp2Qk/
  • https://www.{BLOCKED}sons.co.in/abc/Y6Y0fTbUEg6/
  • https://biz.{BLOCKED}n.ua/wp-admin/W6agtFSRZGt371dV/
  • http://{BLOCKED}vn.site/3yztzzvh/nmY4wZfbYL/
  • https://{BLOCKED}kood.com/wp-content/NR/
  • https://{BLOCKED}aharajmandir.org/wp-includes/63De/
  • https://{BLOCKED}ts.com/wp-includes/Zkj4QO/
  • https://{BLOCKED}ahmasinternasional.co.id/wp-admin/SJbxE5I/
  • https://{BLOCKED}c.cl/sistemas/3ZbsUAU/
  • https://{BLOCKED}lbasateen.com/Fox-C404/mDHkfgebMRzmGKBy/