ThreatExpert Report: Generic Dropper.cx, Mal/EncPk-HW

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Submission Summary:

Submission details:

Submission received: 5 June 2009, 22:31:22
Processing time: 6 min 43 sec
Submitted sample:

File MD5: 0x416230AFD65279AD701E461C2DBAB909
File SHA-1: 0x42C0DEEC6E936C869B37FAFB010222850773ED4D
Filesize: 123,908 bytes
Alias:

Generic Dropper.cx [McAfee]
Mal/EncPk-HW [Sophos]

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.

File System Modifications

The following file was created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	[file and pathname of the sample #1]	123,908 bytes	MD5: 0x416230AFD65279AD701E461C2DBAB909 SHA-1: 0x42C0DEEC6E936C869B37FAFB010222850773ED4D	Generic Dropper.cx [McAfee] Mal/EncPk-HW [Sophos]

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]	282,624 bytes

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 = 0x01C9E739
d00000003 = 0xB31CC8D0
d00000006 = 0x00000007
d00000006 = 0x00000005

Other details

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

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

The following ports were open in the system:

Port	Protocol	Process
1120	TCP	[file and pathname of the sample #1]
1121	TCP	[file and pathname of the sample #1]
1122	TCP	[file and pathname of the sample #1]
1123	TCP	[file and pathname of the sample #1]

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
zone-searching.com	80	(null)	(null)
images-base.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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