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SWF_AXPERGLE.VZ

July 21, 2015
 Analysis by: David John Agni
 ALIASES:

SWF/Exploit.CVE-2015-5122.A (ESET-NOD32), Exploit.SWF.CVE-2015-5122.a (Kaspersky), Exploit:SWF/Axpergle.D (Microsoft)

 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

This Trojan may be hosted on a website and run when a user accesses the said website.

  TECHNICAL DETAILS

File Size:

44662 bytes

File Type:

SWF

Memory Resident:

No

Initial Samples Received Date:

13 Jul 2015

Payload:

Connects to URLs/IPs, Downloads files

Arrival Details

This Trojan may be hosted on a website and run when a user accesses the said website.

Download Routine

This Trojan connects to the following website(s) to download and execute a malicious file:

  • http://{BLOCKED}e.{BLOCKED}scenides.com/Doctor.svr
  • http://{BLOCKED}e.{BLOCKED}scenides.com/always.vbhtml?

Other Details

This Trojan is a zero-day exploit for the following vulnerability:

  SOLUTION

Minimum Scan Engine:

9.750

VSAPI OPR PATTERN File:

11.789.00

VSAPI OPR PATTERN Date:

14 Jul 2015

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 SWF_AXPERGLE.VZ. 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.

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.  


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