JAVA_EXPLOYT.KI
Exploit.Java.CVE-2012-4681.l (Kaspersky), VirTool:Java/Donk!ldr (Microsoft), Java/CVE_2012_4681.L!exploit (Fortinet)
Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)
Threat Type: Trojan
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This Trojan may arrive bundled with malware packages as a malware component. It may be hosted on a website and run when a user accesses the said website.
It requires its main component to successfully perform its intended routine.
TECHNICAL DETAILS
Arrival Details
This Trojan may arrive bundled with malware packages as a malware component.
It may be hosted on a website and run when a user accesses the said website.
Installation
This Trojan creates the following folders:
- %User Temp%\~spawn{random}.tmp.dir
(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, or C:\Users\{user name}\AppData\Local\Temp on Windows Vista and 7.)
Download Routine
This Trojan saves the files it downloads using the following names:
- %User Temp%\~spawn{random}.tmp.dir\{random}.exe
(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, or C:\Users\{user name}\AppData\Local\Temp on Windows Vista and 7.)
It downloads a possibly malicious file from a certain URL. The URL where this malware downloads the said file depends on the parameter passed on to it by its components.
Other Details
This Trojan requires its main component to successfully perform its intended routine.