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 infección 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

Tamaño del archivo 2,811 bytes
Tipo de archivo JS
Residente en memoria Yes
Fecha de recepción de las muestras iniciales 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

Motor de exploración mínimo 9.850
Primer archivo de patrones de VSAPI 13.608.05
Primera fecha de publicación de patrones de VSAPI 21 Aug 2017
Versión de patrones OPR de VSAPI 13.609.00
Fecha de publicación de patrones OPR de VSAPI 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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