ThreatExpert Report: Trojan-Downloader.Win32.Adload.ddsi, Downloader.a!bvh..

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Submission Summary:

Submission details:

Submission received: 13 June 2012, 13:40:48
Processing time: 8 min 42 sec
Submitted sample:

File MD5: 0xC37FE61398A4B8AAED0B8F4C89270D7E
File SHA-1: 0x203BAABA8AFB45EBC60F81EBF141E55F345BBCA7
Filesize: 536,576 bytes
Alias:

Trojan-Downloader.Win32.Adload.ddsi [Kaspersky Lab]
Downloader.a!bvh [McAfee]
Trojan-Downloader.Win32.Adload [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 program that downloads files to the local computer that may represent security risk

File System Modifications

The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%Windir%\Agreehtml\default.html	17,505 bytes	MD5: 0x77AA6C698A063286C2DCE02A592AE205 SHA-1: 0x3A68A94652984060A14D754B486A7B85B33D6B75	(not available)
2	[file and pathname of the sample #1]	536,576 bytes	MD5: 0xC37FE61398A4B8AAED0B8F4C89270D7E SHA-1: 0x203BAABA8AFB45EBC60F81EBF141E55F345BBCA7	Trojan-Downloader.Win32.Adload.ddsi [Kaspersky Lab] Downloader.a!bvh [McAfee] Trojan-Downloader.Win32.Adload [Ikarus]

Note:

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

The following directory was created:

%Windir%\Agreehtml

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]	552,960 bytes

Other details

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

Republic of Korea

There were registered attempts to establish connection with the remote hosts. The connection details are:

Remote Host	Port Number
211.215.18.232	80
211.215.18.239	80

The data identified by the following URLs was then requested from the remote web server:

http://joripong.com/view_dat/?dCode=
http://joripong.com/default_yak.html?dCode=
http://down.joripong.com/down/data_file/
http://down.joripong.com/down/nagree/newagree_.dat

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