Author: Eleazar Valles   
 

Trojan-Downloader.XLM.Agent (IKARUS)

 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: 61,952 bytes
File type: XLS
Memory resident: No
INITIAL SAMPLES RECEIVED DATE: 15 czerwca 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

Agrega los procesos siguientes:

  • %System%\regsvr32.exe /S {Parent of default Excel save path}\xgev1.ocx
  • %System%\regsvr32.exe /S {Parent of default Excel save path}\xgev2.ocx
  • %System%\regsvr32.exe /S {Parent of default Excel save path}\xgev3.ocx
  • %System%\regsvr32.exe /S {Parent of default Excel save path}\xgev4.ocx

(Nota: %System% es la carpeta del sistema de Windows, que en el caso de Windows 98 y ME suele estar en C:\Windows\System, en el caso de Windows NT y 2000 en C:\WINNT\System32 y en el caso de Windows 2000(32-bit), XP, Server 2003(32-bit), Vista, 7, 8, 8.1, 2008(64-bit), 2012(64bit) y 10(64-bit) en C:\Windows\System32).

)

Rutina de descarga

Guarda los archivos que descarga con los nombres siguientes:

  • {Parent of default Excel save path}\xgev1.ocx
  • {Parent of default Excel save path}\xgev2.ocx
  • {Parent of default Excel save path}\xgev3.ocx
  • {Parent of default Excel save path}\xgev4.ocx

Otros detalles

It connects to the following possibly malicious URL:

  • http://www.{BLOCKED}l.com/pun/VAYL/
  • http://{BLOCKED}.com/CeudWYRQEzZgrHPcI/
  • http://{BLOCKED}oyuyin.com/cgj-bin/jZPff/
  • http://{BLOCKED}us.com/slide/mcqAFuMhaekn/