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JS_BANKER.SMEV

October 09, 2012
 Analysis by: Karl Dominguez
 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

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

  • Threat Type: Spyware

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW


This spyware monitors the Internet traffic of the affected system to check if the user accesses URLs with strings related to online banking.

It redirects the traffic to a remote site if any of its monitored strings are detected. As a result, banking credentials may be stolen by the attacker.

This spyware may be hosted on a website and run when a user accesses the said website. It may be downloaded from remote sites by other malware.

  TECHNICAL DETAILS

File Size:

Varies

File Type:

JS

Memory Resident:

No

Initial Samples Received Date:

20 Sep 2011

Payload:

Connects to URLs/IPs,Monitors websites,

Arrival Details

This spyware may be hosted on a website and run when a user accesses the said website.

It may be downloaded from remote site(s) by the following malware:

  • TROJ_BANLOAD.AXM

It may be downloaded from the following remote sites:

  • http://{BLOCKED}-cache.com/ie

NOTES:

This malicious script monitors the Internet traffic of the affected system to check if the user accesses URLs with the following strings related to online banking:

  • santander.com.br
  • www.santander.com.br
  • www.santanderbanespa.com.br
  • bancohsbc.com.br
  • hsbc.com.br
  • hsbcbamerindus.com.br
  • hsbcbank.com.br
  • hsbcpremier.com.br
  • hsbcprivatebank.com.br
  • http://*anc*real.com*
  • http://banc*real.com*
  • http://www.santandernet.com.br*
  • santandernet.com.br
  • www.bancohsbc.com.br
  • www.banespa.com.br
  • www.hsbc.com.br
  • www.hsbcbamerindus.com.br
  • www.hsbcbank.com.br
  • www.hsbcpremier.com.br
  • www.hsbcprivatebank.com.br
  • www.sa tandernet.com.br

It redirects the traffic to the following remote site if any of the abovementioned strings are detected. As a result, banking credentials may be stolen by the attacker.

  • {BLOCKED}4.{BLOCKED}2.160.145 using port 81 or port 9999

  SOLUTION

Minimum Scan Engine:

9.200

Step 1

For Windows XP and Windows Server 2003 users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.

Step 2

Remove malware files dropped/downloaded by JS_BANKER.SMEV

     TROJ_BANLOAD.AXM

Step 3

Scan your computer with your Trend Micro product to delete files detected as JS_BANKER.SMEV. 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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