Analysis by: Joselyn Canuela

 PLATFORM:

Windows

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:
 INFORMATION EXPOSURE:

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users.

It accesses websites to download files. This action allows this malware to possibly add other malware on the affected computer.

  TECHNICAL DETAILS

File Size: 31,816 bytes
File Type: JAR
Initial Samples Received Date: 22 Jun 2017

Arrival Details

This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users.

Installation

This Trojan drops the following files:

  • %User Profile%\AppData\Roaming\local
  • %User Profile%\AppData\Roaming\com.json

(Note: %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003, or C:\Users\{user name} on Windows Vista and 7.)

It creates the following folders:

  • %User Profile%\AppData\Roaming\globo.com
  • %User Profile%\AppData\Roaming\Sun

Download Routine

This Trojan accesses websites to download the following files:

  • %User Profile%\AppData\Roaming\globo.com\globo.h
  • %User Profile%\AppData\Roaming\Sun\help.j

Other Details

This Trojan connects to the following possibly malicious URL:

  • https://www.google.com.br/?g{BLOCKED}q=install+pdf
  • http://{BLOCKED}.{BLOCKED}.59.211/verde/aa/inf.php?
  • http://{BLOCKED}.{BLOCKED}.59.211/ref/w123.hlp
  • http://{BLOCKED}.{BLOCKED}.59.211/ref/s123.hlp
  • http://{BLOCKED}.{BLOCKED}.59.211/ref/update.hlp