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TSPY64_DRIDEX.YVE

November 03, 2016
 Analysis by: Cris Nowell Pantanilla
 ALIASES:

Trojan:W64/Dridex.D (F-Secure), W64/Dridex.C!tr.bdr (Fortinet)

 PLATFORM:

Windows

 OVERALL RISK RATING:
 REPORTED INFECTION:

  • Threat Type: Spyware

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Dropped by other malware

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

It executes then deletes itself afterward.

It retrieves specific information from the affected system.

  TECHNICAL DETAILS

File Size:

290,816 bytes

File Type:

DLL

Memory Resident:

Yes

Initial Samples Received Date:

01 Nov 2016

Payload:

Logs keystrokes, Steals information

Arrival Details

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

Installation

This spyware executes then deletes itself afterward.

It injects codes into the following process(es):

  • explorer.exe

Information Theft

This spyware retrieves the following information from the affected system:

  • Computer Name
  • User Name
  • Date Installed
  • OS Version
  • Running Privilege

Other Details

This spyware does the following:

  • It is capable of the following:
    • Start/Stop VNC Session
    • Log Keystrokes
    • Steal information input on forms
    • Gather information from cookies
    • Inject codes on web browsers
    • Install plugins and modules
    • Take screenshots
  • It targets the following web browsers:
    • chrome
    • firefox
    • iexplore

  SOLUTION

Minimum Scan Engine:

9.800

FIRST VSAPI PATTERN FILE:

12.872.04

FIRST VSAPI PATTERN DATE:

01 Nov 2016

VSAPI OPR PATTERN File:

12.873.00

VSAPI OPR PATTERN Date:

02 Nov 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

Restart in normal mode and scan your computer with your Trend Micro product for files detected as TSPY64_DRIDEX.YVE. 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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