ThreatExpert Report: Trojan-Downloader.Win32.Agent.byij, Downloader, Generic Downloader.x!bt..

Visit ThreatExpert web site

Close Report

Submission Summary:

Submission details:

Submission received: 10 July 2009, 11:55:48
Processing time: 6 min 24 sec
Submitted sample:

File MD5: 0x60642F8C3D6ED898BE0A98FD1F263B95
File SHA-1: 0x3577B30D926E3CEBF15308601AF9C95F950BBDB1
Filesize: 41,472 bytes
Alias:

Downloader [Symantec]
Trojan-Downloader.Win32.Agent.byij [Kaspersky Lab]
Generic Downloader.x!bt [McAfee]
Mal/Generic-A [Sophos]
Trojan:Win32/Sisproc [Microsoft]
Trojan-Downloader.Delphi [Ikarus]
Win-Trojan/Xema.variant [AhnLab]

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	%System%\msdart64.cfg %System%\msdart64.dll %System%\msdart64.usr	125 bytes	MD5: 0x7C5F5A68051F6B0C0E9A2AD33C40D415 SHA-1: 0x120865765927A61AF83F02B83DC297EEDE61EC41	(not available)
2	[file and pathname of the sample #1]	41,472 bytes	MD5: 0x60642F8C3D6ED898BE0A98FD1F263B95 SHA-1: 0x3577B30D926E3CEBF15308601AF9C95F950BBDB1	Downloader [Symantec] Trojan-Downloader.Win32.Agent.byij [Kaspersky Lab] Generic Downloader.x!bt [McAfee] Mal/Generic-A [Sophos] Trojan:Win32/Sisproc [Microsoft] Trojan-Downloader.Delphi [Ikarus] Win-Trojan/Xema.variant [AhnLab]

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).

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]	77,824 bytes
[generic host process]	[generic host process filename]	20,480 bytes

Notes:

[generic host process filename] is a full path filename of [generic host process].

Other details

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

_!SHMSFTHISTORY!_

The following Host Name was requested from a host database:

sbp1.kasopa.net

The following Internet Connection was established:

Server Name	Server Port	Connect as User	Connection Password
www.flogao.com.br	80	(null)	(null)

The following GET requests were made:

luxah
index.jpg

The following HTTP URLs were started reading:

http://sbp1.kasopa.net/show.aspx?file=9997&hash=0
http://sbp1.kasopa.net/show.aspx?file=9999&hash=0
http://sbp1.kasopa.net/show.aspx?file=1&hash=0

All content ("Information") contained in this report is the copyrighted work of Threat Expert Ltd and its associated companies ("ThreatExpert") and may not be copied without the express permission of ThreatExpert.

The Information is provided on an "as is" basis. ThreatExpert disclaims all warranties, whether express or implied, to the maximum extent permitted by law, including the implied warranties that the Information is merchantable, of satisfactory quality, accurate, fit for a particular purpose or need, or non-infringing, unless such implied warranties are legally incapable of exclusion. Further, ThreatExpert does not warrant or make any representations regarding the use or the results of the use of the Information in terms of their correctness, accuracy, reliability, or otherwise.