Analysis by: Oliver Ramirez
 PLATFORM:

Windows

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

  • Threat Type: Trojan Spy

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

Canal de infecção: Dropped by other malware, Downloaded from the Internet

This Trojan Spy arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites. It arrives as a component bundled with malware/grayware packages. It may be manually installed by a user.

  TECHNICAL DETAILS

Tipo de compactação: 2,811 bytes
Tipo de arquivo: JS
Residente na memória: Yes
Data de recebimento das amostras iniciais: 21 Aug 2017
Carga útil: Connects to URLs/IPs, Steals information

Arrival Details

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

It arrives as a component bundled with malware/grayware packages.

It may be manually installed by a user.

NOTES:

This Trojan Spy sends the gathered information via HTTP POST to the following URL(s):

  • https://suporteinfo.{BLOCKED}o.org

This is a Google browser extension named Interface Online.

The extension monitors all web accesses. Malicious code activates only for the following url:

  • *://*.santandernetibe.com.br/*

It searches for the following strings to start its spyware routine:

  • "NIB_Inicial.asp"

It only accepts accounts with a password length of 11 characters or more.

It has the capability to gather the following information:

  • Username
  • Password

  SOLUTION

Mecanismo de varredura mínima: 9.850
Primeiro arquivo padrão VSAPI: 13.608.05
Data do lançamento do primeiro padrão VSAPI: 21 Aug 2017
VSAPI OPR Pattern Version: 13.609.00
VSAPI OPR Pattern veröffentlicht am: 22 Aug 2017

Step 1

Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.

Step 2

Scan your computer with your Trend Micro product to delete files detected as BREX_BANKER.ACD. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.


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