Analysis by: Michael Jay Villanueva
ALIASES:

Troj/JSRedir-RF (Sophos)

 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, Dropped by other malware

This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites. It may be hosted on a website and run when a user accesses the said website.

It does not have any propagation routine.

It does not have any backdoor routine.

This is the Trend Micro detection for Web pages that were compromised through the insertion of a certain IFRAME tag.

  TECHNICAL DETAILS

File Size: 21,242 bytes
File Type: HTML, HTM
Memory Resident: No
Initial Samples Received Date: 10 Aug 2016
Payload: Connects to URLs/IPs

Arrival Details

This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

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

Propagation

This Trojan does not have any propagation routine.

Backdoor Routine

This Trojan does not have any backdoor routine.

Other Details

This is the Trend Micro detection for Web pages that were compromised through the insertion of a certain IFRAME tag.

It does the following:

  • It includes IFRAME tags that redirect the user to the following URLs:
    • http://{BLOCKED}f.pl/iraq.jpg
    • http://qqq.{BLOCKED}x.com/gm.js
    • http://www.{BLOCKED}cn.cn/bbs/sxsd/vc.htm
    • http://{BLOCKED}auty.com/i/ac.php
    • http://{BLOCKED}n.ru:8080/index.php?pid={ID}
    • http://{BLOCKED}FOUNDATION.EU/ADMINISTRATOR/TEMPLATES/NIVS/INDEX.PHP
    • http://{BLOCKED}UEWI.COM
    • http://mm.{BLOCKED}67.cn/index/mm.htm
    • http://domdex.com/f?c=107&k={value}
    • http://www.{BLOCKED}hao123.cn/ok/
    • http://www.{BLOCKED}3.cn/muma/
    • http://www.{BLOCKED}5.com/bbs/db
    • http://www.{BLOCKED}3.cn/gogo
    • http://www.{BLOCKED}3.com.cn
    • http://www.{BLOCKED}83.com
    • http://www.{BLOCKED}3.cn
    • http://www.{BLOCKED}8.cn
    • http://{BLOCKED}D.COM/IN.CGI
    • http://www.{BLOCKED}dd.cn/one/a46.htm
    • http://www.{BLOCKED}f.cn/one/a46.htm
    • http://www.{BLOCKED}6.cn/one/a46.htm
    • http://www.{BLOCKED}96.cn/one/a46.htm
    • http://www.{BLOCKED}68.cn/one/a46.htm
    • http://www.{BLOCKED}8.cn/one/a46.htm
    • http://www.{BLOCKED}6.cn/one/a46.htm
    • http://u.{BLOCKED}5.cn/d5/x5/index.htm
    • http://{BLOCKED}.{BLOCKED}.140.195/home/index.php

NOTES:

Note that the malware does not run by itself.

It does not have rootkit capabilities.

It does not exploit any vulnerability.

  SOLUTION

Minimum Scan Engine: 9.800
VSAPI OPR PATTERN File: 10.531.00
VSAPI OPR PATTERN Date: 09 Jan 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_IFRAME.HT. 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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