Analysis by: RonJay Kristoffer Caragay
ALIASES:

BehavesLike.HTML.Downloader.lx (McAfee)

 PLATFORM:

Windows

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

Infection Channel: Via email

This Trojan arrives as attachment to mass-mailed email messages.

  TECHNICAL DETAILS

File Size: 11,848 bytes
File Type: HTML, HTM
Memory Resident: No
Initial Samples Received Date: 14 Feb 2017
Payload: Connects to URLs/IPs, Steals information

Arrival Details

This Trojan arrives as attachment to mass-mailed email messages.

NOTES:

This malware arrives in the following spammed email:

It display the following messages to trick user in entering its credentials:

It used images hosted in the following URLs as a background for its fake message:

  • http://sandbox.this.{BLOCKED}s.uk/feedback/images/default/bin/null/bg.jpg
  • http://oi63.{BLOCKED}c.com/iefjnl.jpg

    Once, the user enter its credentials, the user will be redirected to the following URLs:

  • http://{BLOCKED}n.{BLOCKED}o.id/wp-post/wp-john.cmlparts-pdf.php

    However, as of this writing, the said sites are inaccessible.

    •   SOLUTION

    Minimum Scan Engine: 9.850
    FIRST VSAPI PATTERN FILE: 13.220.04
    FIRST VSAPI PATTERN DATE: 14 Feb 2017
    VSAPI OPR PATTERN File: 13.221.00
    VSAPI OPR PATTERN Date: 15 Feb 2017

    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.AUSDZU. 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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