Trojan.HTML.IFRAME.FASGU

 Analysis by: Clive Fuentebella

 ALIASES:

N/A

 PLATFORM:

Windows

 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:

Downloaded from the Internet, Spammed via instant messaging applications


This Trojan executes when a user accesses certain websites where it is hosted.

It does not have any propagation routine.

It does not have any backdoor routine.

It inserts an IFRAME tag that redirects users to certain URLs.

  TECHNICAL DETAILS

File Size:

867 bytes

File Type:

HTML, HTM

Memory Resident:

No

Initial Samples Received Date:

05 Oct 2020

Payload:

Connects to URLs/IPs, Steals information

Arrival Details

This Trojan executes when a user accesses certain websites where it is hosted.

Propagation

This Trojan does not have any propagation routine.

Backdoor Routine

This Trojan does not have any backdoor routine.

Information Theft

This Trojan gathers the following data:

  • Domain of the current document

Other Details

This Trojan inserts an IFRAME tag that redirects users to the following URLs:

  • http://www.{BLOCKED}vity.com/?dn={Document domain}&pid=9POL6F2H4
    • Document.domain function will retrieve the domain where it is hosted and embed it in the URL where it connects to.

It does not exploit any vulnerability.

  SOLUTION

Minimum Scan Engine:

9.800

FIRST VSAPI PATTERN FILE:

16.268.02

FIRST VSAPI PATTERN DATE:

05 Oct 2020

VSAPI OPR PATTERN File:

16.269.00

VSAPI OPR PATTERN Date:

06 Oct 2020

Step 1

Before doing any scans, Windows 7, Windows 8, Windows 8.1, and Windows 10 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 Trojan.HTML.IFRAME.FASGU. 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 the following Trend Micro Support pages for more information:


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