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HTML_PHISH.TAX

April 01, 2014
 Analysis by: Rika Joi Gregorio
 ALIASES:

Mal/Phish-A(Sophos)

 PLATFORM:

Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Spammed via email


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

It connects to certain websites to send and receive information.

  TECHNICAL DETAILS

File Size:

20,783 bytes

File Type:

HTML, HTM

Memory Resident:

No

Initial Samples Received Date:

26 Mar 2014

Payload:

Steals information

Arrival Details

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

Other Details

This Trojan connects to the following website to send and receive information:

  • www.{BLOCKED}rgy.com/refund.php

NOTES:

It displays a fake page entitled HMRC: Tax Refund thus tricking users in sending the following information to the malicious user:

  • Address(City/Postcode)
  • Cardholder's Name
  • Credit Card credentials
  • Date of Birth

  SOLUTION

Minimum Scan Engine:

9.700

FIRST VSAPI PATTERN FILE:

10.688.04

FIRST VSAPI PATTERN DATE:

26 Mar 2014

VSAPI OPR PATTERN File:

10.689.00

VSAPI OPR PATTERN Date:

26 Mar 2014

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

Close all opened browser windows

Step 3

Scan your computer with your Trend Micro product to delete files detected as HTML_PHISH.TAX. 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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