ThreatExpert Report: Mal/Encpk-ADD

Submission Summary:

Submission details:

Submission received: 16 August 2012, 12:19:31
Processing time: 8 min 11 sec
Submitted sample:

File MD5: 0x5D22DB45C5D481D1DE1CCE3E141BAF56
File SHA-1: 0xB211C0D541FE8E4960B80676C49B5F68FEBDBEB5
Filesize: 112,640 bytes
Alias: Mal/Encpk-ADD [Sophos]

Summary of the findings:

What's been found	Severity Level
Downloads/requests other files from Internet.

Technical Details:

File System Modifications

The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%CommonAppData%\cb2c7c\RTcb2_5576.exe	125 bytes	MD5: 0x55C314E9EBFE2904B317253B99AF2187 SHA-1: 0x4B2A81574312CD1077445836083C72ED4DA1FE51	(not available)
2	%Temp%\del.bat	152 bytes	MD5: 0x8240D1C950F82B50A7D1CBEB203CF5E0 SHA-1: 0x6F8D8B604AC5E16736A875470D9B96EFD2A7D8B5	(not available)
3	%Temp%\hy[filename of the sample #1]\[filename of the sample #1] %Temp%\[filename of the sample #1] %System%\hy[filename of the sample #1]\hy[filename of the sample #1]\[filename of the sample #1] %System%\hy[filename of the sample #1]\[filename of the sample #1] [file and pathname of the sample #1]	112,640 bytes	MD5: 0x5D22DB45C5D481D1DE1CCE3E141BAF56 SHA-1: 0xB211C0D541FE8E4960B80676C49B5F68FEBDBEB5	Mal/Encpk-ADD [Sophos]

Notes:

%CommonAppData% is a variable that refers to the file system directory containing application data for all users. A typical path is C:\Documents and Settings\All Users\Application Data.
%Temp% is a variable that refers to the temporary folder in the short path form. By default, this is C:\Documents and Settings\[UserName]\Local Settings\Temp\ (Windows NT/2000/XP).
%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).

The following directories were created:

%Temp%\hy[filename of the sample #1]
%CommonAppData%\cb2c7c
%System%\hy[filename of the sample #1]
%System%\hy[filename of the sample #1]\hy[filename of the sample #1]

Memory Modifications

There were new processes created in the system:

Process Name	Process Filename	Main Module Size
[filename of the sample #1]	%System%\hy[filename of the sample #1]\[filename of the sample #1]	270,336 bytes
[filename of the sample #1]	%Temp%\[filename of the sample #1]	270,336 bytes
[filename of the sample #1]	[file and pathname of the sample #1]	270,336 bytes

Registry Modifications

The following Registry Key was created:

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce

Other details

To mark the presence in the system, the following Mutex object was created:

Virus1Doctor1Installer1Mutex1

The following Host Names were requested from a host database:

82.103.132.173
217.23.11.95
65.98.83.119
192.5.5.241

The following HTTP URLs were started reading:

http://update1.xjaiopernilamahcks.com/index.php?a476d1=kdjf0tXm1J2a3dye0dDjzZjb0tCe0MOaxqLWZpTSntegyMetmmGUsNCWzaCkmdTRm9KVz5GM
http://report1.xjaiopernilamahcks.com/?a476d1=VeTK4N7k6G574c3T2Nje2ObP1diHztHYt%2BTjk6Cgk86dm3PHk6TIp9KqpZRf2prFz6illdimz6HFnpWcxc6llJfRnYegqnOVV%2BfO1KynqWhknuHXpubmvcKU2dXFqofR1r7nj9XjqpJY
http://update1.xjaiopernilamahcks.com/index.php?a476d1=kdjf0tXm1J2a3dye1tjT1%2BHX19%2FVzs3UyN2Zj8XR37LCuKya2Jai7dq14t%2FVouTi1JLV4c2lidvckqCV4t7UoZapnGdU5dPFptLSl9WlzKSS0JLKk8%2FZZ5if063WmcWlmWWQ25zHndGgiQ%3D%3D
http://report1.xjaiopernilamahcks.com/?a476d1=VeTK4N7k6G574c3T2Nje2ObP1diHztHYt%2BTjk6Cgk86dm3PHk6TIp9KqpZRf2prFz6illdimz6HFnpWcxc6llJfRnYegqnOVV%2BfO1KynqWhknuHXpubmvcKU2dXFqofR1r7nj9XjqpFY

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