Analysis by: Michael Jhon Ofiaza

 PLATFORM:

Windows

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

  • Threat Type: Exploit

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

Canal de infecção: Downloaded from the Internet, Dropped by other malware

This malware is implicated as an exploit for the zero-day vulnerability in Adobe Flash Player known as CVE-2018-15982. This exploit made its rounds via drive-by downloads.

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

It takes advantage of certain vulnerabilities.

  TECHNICAL DETAILS

Tipo de compactação: 4,178 bytes
Tipo de arquivo: SWF
Residente na memória: No
Data de recebimento das amostras iniciais: 21 Jan 2019
Carga útil: Executes files

Arrival Details

This Exploit 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 Exploit requires the existence of the following files to properly run:

  • {Malware Path}\LOG.dat
  • {Malware Path}\LOGS.dat

It does the following:

  • Uncompress and executes the following files:
    • {Malware Path}\LOG.dat
    • {Malware Path}\LOGS.dat

It takes advantage of the following vulnerabilities:

  SOLUTION

Mecanismo de varredura mínima: 9.850
Primeiro arquivo padrão VSAPI: 14.764.07
Data do lançamento do primeiro padrão VSAPI: 21 Jan 2019
VSAPI OPR Pattern Version: 14.765.00
VSAPI OPR Pattern veröffentlicht am: 22 Jan 2019

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 TROJAN.SWF.CVE201815982.AC. 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 the following Trend Micro Support pages for more information:

Step 3

Download and apply this security patch Refrain from using these products until the appropriate patches have been installed. Trend Micro advises users to download critical patches upon release by vendors.  CVE-2018-15982


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