Analysis by: Rhena Inocencio
ALIASES:

a variant of Win32/Exploit.CVE-2016-0034.D (ESET)

 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

This Trojan takes advantage of certain vulnerabilities.

  TECHNICAL DETAILS

File Size: 101,425 bytes
File Type: Other
Memory Resident: No
Initial Samples Received Date: 26 Feb 2016
Payload: Connects to URLs/IPs

Arrival Details

This Trojan may be downloaded from the following remote site(s):

  • http://lalor-poji.{BLOCKED}ontapp.com/see.php5?almost=a9_&election=7vJfY&know=&larger=k4AnlZOYm&black=&four=MTrR&weapon=77v&wish=&peace=fqQ0yC9K_NluLlgBT1f2TF_S
  • http://music.cut-{BLOCKED}ems.com/French.esproj?prevent=&stage=iDvS&Mister=&could=yk00z6qEsC&conference=jxp7&sort=Vw4Ra2dlwd&want=&feel=ANO4aj4C&cover=shLb1u&buy=wq1b-2
  • Compromised or malicious sites hosting Angler Exploit Kit

Other Details

This Trojan takes advantage of the following vulnerabilities:

NOTES:

This is a .XAP file, which functions using Microsoft Silverlight, that takes advantage of the Silverlight Memory Corruption vulnerability (CVE-2016-0034) to execute arbitrary code.

  SOLUTION

Minimum Scan Engine: 9.800
FIRST VSAPI PATTERN FILE: 12.366.06
FIRST VSAPI PATTERN DATE: 26 Feb 2016
VSAPI OPR PATTERN File: 12.367.00
VSAPI OPR PATTERN Date: 27 Feb 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 TROJ_CVE20160034.C. 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 4

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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