ThreatExpert Report

Submission Summary:

Submission details:

Submission received: 13 August 2012, 21:43:13
Processing time: 7 min 42 sec
Submitted sample:

File MD5: 0x0336A553858BF7D3B57E75A50CBDE21E
File SHA-1: 0x8EE96A4D5D0B2899ABECA29812C9D7A12E0D9A3D
Filesize: 669,184 bytes

Summary of the findings:

What's been found	Severity Level
Contains characteristics of an identified security risk.

Technical Details:

Possible Security Risk

Attention! Characteristics of the following security risk was identified in the system:

Security Risk	Description
Trojan-Downloader.Agent.BKK	Trojan.Downloader.Agent.BKK downloads LazyAd, a Chinese adware application on infected machines.

File System Modifications

The following files were created in the system:

#	Filename(s)	File Size	File Hash
1	%Windir%\mrp	4 bytes	MD5: 0xEA82410C7A9991816B5EEEEBE195E20A SHA-1: 0xF1B5A91D4D6AD523F2610114591C007E75D15084
2	%System%\CreateRemoteThread.dll	46,080 bytes	MD5: 0xFB13F7A277B3D4DFB06A24251D04A817 SHA-1: 0xA993C46F2CE55F5DEB77E272DA8B0F35973479CB
3	%System%\InjectDll.dll	46,592 bytes	MD5: 0xABA509C1613844C7FFA72C11AF5FA7B4 SHA-1: 0x0057C6A77A3C320F352A3C9DEE8C0F8D795D576D
4	%System%\rci.exe	52,224 bytes	MD5: 0x76ED1CBA6A025D92E49C240DA969D87B SHA-1: 0x518FD03BF98F0FF0BBF234211305176D4D54EC60
5	[file and pathname of the sample #1]	669,184 bytes	MD5: 0x0336A553858BF7D3B57E75A50CBDE21E SHA-1: 0x8EE96A4D5D0B2899ABECA29812C9D7A12E0D9A3D
6	%System%\WriteMemory.dll	46,080 bytes	MD5: 0x547738BC499DAA504BB900B6952167CA SHA-1: 0xA6C53538236DF6682E5521708DDDC045403054F0

Notes:

%Windir% is a variable that refers to the Windows installation folder. By default, this is C:\Windows or C:\Winnt.
%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).

Memory Modifications

There were new processes created in the system:

Process Name	Process Filename	Main Module Size
[filename of the sample #1]	[file and pathname of the sample #1]	692,224 bytes
rci.exe	%System%\rci.exe	69,632 bytes

The following module was loaded into the address space of other process(es):

Module Name	Module Filename	Address Space Details
InjectDll.dll	%System%\InjectDll.dll	Process name: explorer.exe Process filename: %Windir%\explorer.exe Address space: 0x1640000 - 0x1650000

Other details

Analysis of the file resources indicate the following possible country of origin:

Germany

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