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HTML_AGENT.ZNA

October 08, 2012
 Analysis by: JessaD
 Modified by: jasperma
 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

This malicious HTML is used to phish accounts related to Authorize.net.

It sends the gathered information via HTTP POST to a URL.

This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users. It may be unknowingly downloaded by a user while visiting malicious websites.

  TECHNICAL DETAILS

File Size:

16,273 bytes

File Type:

HTML, HTM

Memory Resident:

No

Initial Samples Received Date:

24 Feb 2011

Payload:

Steals information

Arrival Details

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

It may be unknowingly downloaded by a user while visiting malicious websites.

Stolen Information

This Trojan sends the gathered information via HTTP POST to the following URL:

  • http://{BLOCKED}.{BLOCKED}.55.56/authpost/index.php

Other Details

This Trojan does the following:

  • It is used to phish accounts related to Authorize.net.

  SOLUTION

Minimum Scan Engine:

8.900

VSAPI PATTERN File:

7.857.00

VSAPI PATTERN Date:

24 Apr 2011

VSAPI PATTERN Date:

4/24/2011 12:00:00 AM

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

Scan your computer with your Trend Micro product to delete files detected as HTML_AGENT.ZNA. 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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