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HTML_PHISH.YTUCU

October 03, 2016
 Analysis by: Pearl Charlaine Espejo
 ALIASES:

Mal/Phish-A (Sophos)

 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:

Spammed via email

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

It steals certain information from the system and/or the user.

  TECHNICAL DETAILS

File Size:

262,849 bytes

File Type:

HTML, HTM

Memory Resident:

No

Initial Samples Received Date:

20 Sep 2016

Payload:

Connects to URLs/IPs, Steals information

Arrival Details

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

Information Theft

This Trojan steals the following information:

  • Email Address
  • Password

Stolen Information

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

  • http://{BLOCKEDx.com/administrator/help/en/new/xls.php

NOTES:

Upon execution of the file, the user is presented with a fake Microsoft Excel login page asking for personal account information.

After entering your account information and clicking Continue, it will show up a fake error message.

  SOLUTION

Minimum Scan Engine:

9.800

FIRST VSAPI PATTERN FILE:

12.788.03

FIRST VSAPI PATTERN DATE:

20 Sep 2016

VSAPI OPR PATTERN File:

12.789.00

VSAPI OPR PATTERN Date:

21 Sep 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

Close all opened browser windows

Step 3

Scan your computer with your Trend Micro product to delete files detected as HTML_PHISH.YTUCU. 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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