Analysis by: Francis Xavier Antazo
ALIASES:

HTML/Phishing.Agent.AT (ESET); Trojan.Malscript (Symantec);

 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: Dropped by other malware, Downloaded from the Internet

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.

  TECHNICAL DETAILS

File Size: 360112 bytes
File Type: HTML, HTM
Memory Resident: Yes
Initial Samples Received Date: 29 Sep 2016
Payload: Displays fake login console

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.

Other Details

This Trojan displays the following images:

It does the following:

  • It tricks the users to input their credentials (email and password) in a fake Adobe login site. Once submitted, it redirects users to https://accounts.adobe.com/
  • The stolen credentials are sent to {BLOCKED}e.{BLOCKED}l.es/views.php

  SOLUTION

Minimum Scan Engine: 9.800
FIRST VSAPI PATTERN FILE: 12.808.06
FIRST VSAPI PATTERN DATE: 30 Sep 2016
VSAPI OPR PATTERN File: 12.809.00
VSAPI OPR PATTERN Date: 01 Oct 2016

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

Scan your computer with your Trend Micro product to delete files detected as HTML_MALPHISH.XUAH. 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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