TROJ_ARTIEF.NZY
Symantec: Trojan.Mdropper; Kaspersky: Exploit.MSWord.CVE-2010-3333.b
Windows 2000, Windows XP, Windows Server 2003
Threat Type: Trojan
Destructiveness: No
Encrypted: Yes
In the wild: Yes
OVERVIEW
This Trojan takes advantage of the RTF Stack Buffer Overflow Vulnerability in order to drop malicious files into an affected system.
Once it exploits the said vulnerability, it drops a file, which is detected as TROJ_DROPR.VTG. This Trojan executes the dropped file(s). As a result, malicious routines of the dropped files are exhibited on the affected system.
Upon execution, it opens the non-malicious dropped file in order to hide its malicious routines from the user.
TECHNICAL DETAILS
142,361 bytes
Other
No
17 Mar 2011
Drops files
Installation
This Trojan drops the following non-malicious file:
- %User Temp%\{malware filename}.doc
(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003.)
Dropping Routine
This Trojan takes advantage of the following software vulnerabilities to drop malicious files: