Submission Summary:

What's been foundSeverity Level
Capability to send out email message(s) with the built-in SMTP client engine.
Creates a startup registry entry.
Contains characteristics of an identified security risk.

 

Technical Details:

 

Possible Security Risk

Security RiskDescription
Backdoor.Beastdoor Backdoor.Beastdoor embeds itself into explorer.exe and iexplore.exe which can run without notice by the user. This trojan behaves as a backdoor which can be configure to disable firewalls and AV applications. Once run, it allows attacker to gain access and control over the infected machine. This trojan is also capable of sending notification to the attacker via email and ICQ.

Threat CategoryDescription
A malicious backdoor trojan that runs in the background and allows remote access to the compromised system

 

Memory Modifications

Process NameProcess FilenameMain Module Size
mshost.exe%System%\mshost.exe118,784 bytes
msarrv.com%Windir%\msagent\msarrv.com118,784 bytes
msxdva.com%System%\msxdva.com118,784 bytes
[filename of the sample #1][file and pathname of the sample #1]118,784 bytes

 

Registry Modifications

 

Other details

PortProtocolProcess
6666TCPmshost.exe (%System%\mshost.exe)

 

 

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