TROJ_TECSAM.A

August 09, 2016
 Analysis by: Jennifer Gumban
 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:

Downloaded from the Internet

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

  TECHNICAL DETAILS

File Size:

208,896 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

02 Aug 2016

Payload:

Displays windows, Connects to URLs/IPs

Arrival Details

This Trojan may be unknowingly downloaded by a user while visiting the following malicious websites:

  • http://bitly.com/{BLOCKED}Q - "Hallmark e-card"
    Expanded: http://cnn.com--{BLOCKED}.online/brain/66.gif
  • http://bitly.com/{BLOCKED}U
    Expanded: http://cnn.com--{BLOCKED}.online/brain/first.html

Infection Points

This Trojan arrives as a file downloaded from the following URLs:

  • http://{BLOCKED}m--daily.online/brain/Card.exe

Other Details

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

NOTES:

Once the file is executed, this malware displays a fake window tricking the user into calling the number for technical support where it expose them into giving personal information.

  SOLUTION

Minimum Scan Engine:

9.800

FIRST VSAPI PATTERN FILE:

12.696.01

FIRST VSAPI PATTERN DATE:

05 Aug 2016

VSAPI OPR PATTERN File:

12.697.00

VSAPI OPR PATTERN Date:

06 Aug 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 TROJ_TECSAM.A. 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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