ThreatExpert Report: Trojan-Downloader.Win32.Agent.ciyv, FakeAlert-EL, Trojan.Renos

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Submission Summary:

Submission details:

Submission received: 20 July 2009, 03:12:35
Processing time: 10 min 31 sec
Submitted sample:

File MD5: 0x1172C87693DB49C62618516CC1F46D60
File SHA-1: 0xDED1C9E506B7BD49DBA9E6D4698BE01A9FB68BC1
Filesize: 161,280 bytes
Alias:

Trojan-Downloader.Win32.Agent.ciyv [Kaspersky Lab]
FakeAlert-EL [McAfee]
Trojan.Renos [Ikarus]

Summary of the findings:

What's been found	Severity Level
Downloads/requests other files from Internet.
Creates a startup registry entry.
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
Backdoor.Agent	Backdoor.Agent attempts to create backdoors and allows an attacker unauthorized access to the infected machine.

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	[file and pathname of the sample #1]	161,280 bytes	MD5: 0x1172C87693DB49C62618516CC1F46D60 SHA-1: 0xDED1C9E506B7BD49DBA9E6D4698BE01A9FB68BC1	Trojan-Downloader.Win32.Agent.ciyv [Kaspersky Lab] FakeAlert-EL [McAfee] Trojan.Renos [Ikarus]
2	%Windir%\Tasks\{783AF354-B514-42d6-970E-3E8BF0A5279C}.job	274 bytes	MD5: 0x4663E23156424DB80EB54E9BC2A93548 SHA-1: 0xC3A6A8BDB579EBAD896757F171E11C8205942ADD	(not available)

Note:

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

Registry Modifications

The following Registry Keys were created:

HKEY_CURRENT_USER\Software\Cognac
HKEY_CURRENT_USER\Software\XML

The newly created Registry Values are:

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run]

Cognac = "[file and pathname of the sample #1]"

so that [file and pathname of the sample #1] runs every time Windows starts

[HKEY_CURRENT_USER\Software\Cognac]

s00000002 = "xC7aKZ+O6wyPlq1krRM4sG7m2LFGsYtHjHOagBf10Uk/n4gL8s8xs9LeD5KQVh3/j+XFa0mnr175UElKKyciA2gn6tUEA721Fj4P"
d00000002 = 0x01CA09F4
d00000003 = 0x4232DBE0
d00000006 = 0x0000000B

Other details

To mark the presence in the system, the following Mutex objects were created:

NfeAhn02Gc9NqPBvmEc8
Global\{CFBF19B8-27D0-45ea-865F-8BF8F9C77F25}

The following Host Names were requested from a host database:

protect-management.com
protection-manager.com

The following Internet Connections were established:

Server Name	Server Port	Connect as User	Connection Password
images-base.com	80	(null)	(null)
philipining.com	80	(null)	(null)
chamitron.com	80	(null)	(null)
164.122.8.10	80	(null)	(null)
imagesrepository.com	80	(null)	(null)
73.71.74.124	80	(null)	(null)

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