ThreatExpert Report: Trojan.Ducky.B, DoS.Win32.Small.k, Exploit.Win32.IMG-WMF

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Submission Summary:

Submission details:

Submission received: 5 July 2012, 22:32:06
Processing time: 9 min 39 sec
Submitted sample:

File MD5: 0xB645E7E0C81183B5170CD166EA5D4275
File SHA-1: 0xEBE9CEBC567F34FEA8E92521C281DD75AAF1819E
Filesize: 6,656 bytes
Alias:

Trojan.Ducky.B [Symantec]
DoS.Win32.Small.k [Kaspersky Lab]
Exploit.Win32.IMG-WMF [Ikarus]

Summary of the findings:

What's been found	Severity Level
Downloads/requests other files from Internet.
Contains characteristics of an identified security risk.

Technical Details:

Possible Security Risk

Attention! The following threat category was identified:

Threat Category	Description
	A malicious trojan horse or bot that may represent security risk for the compromised system and/or its network environment

File System Modifications

The following file was created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	[file and pathname of the sample #1]	6,656 bytes	MD5: 0xB645E7E0C81183B5170CD166EA5D4275 SHA-1: 0xEBE9CEBC567F34FEA8E92521C281DD75AAF1819E	Trojan.Ducky.B [Symantec] DoS.Win32.Small.k [Kaspersky Lab] Exploit.Win32.IMG-WMF [Ikarus]

Memory Modifications

There was a new process created in the system:

Process Name	Process Filename	Main Module Size
[filename of the sample #1]	[file and pathname of the sample #1]	16,384 bytes

Other details

The following Internet download was started (the retrieved bits are saved into the local file):

URL to be downloaded	Filename for the downloaded bits
http://www.macnica.net	%System%\a.exe

Note:

%System% is a variable that refers to the System folder. By default, this is C:\Windows\System (Windows 95/98/Me), C:\Winnt\System32 (Windows NT/2000), or C:\Windows\System32 (Windows XP).

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