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.
Adware.Component.Unrelated These common components have files and keys that are in different threats but the threats are not related to one another in that the author of the signature is not the same. It is recommended that all these entries be removed.

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

 

File System Modifications

#Filename(s)File SizeFile HashAlias
1 %Windir%\msagent\mscsie.com
%Windir%\svchost.exe
%System%\msdiwh.com
31,120 bytes MD5: 0x1B65329CFD7797AF1053253DB96F8FB9
SHA-1: 0x7034AA5C5C0003C7F8637D387CD00BDC57CC7137
Backdoor.Beasty [Symantec]
Backdoor.Win32.Beastdoor.l [Kaspersky Lab]
BackDoor-AMQ [McAfee]
BKDR_BEASTDOOR.F [Trend Micro]
Troj/BeastDo-V [Sophos]
Backdoor:Win32/Beastdoor.L [Microsoft]
Backdoor.Win32.Beastdoor [Ikarus]
Win-Trojan/Beastdoor.34186 [AhnLab]
2 %System%\mslg.blf 89 bytes MD5: 0xF32B2327E13497E7D14560203D608398
SHA-1: 0xE6D1F0C0CEA112DF6199283A6FF0138F46745E6A
(not available)

 

Memory Modifications

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

Service NameDisplay NameNew StatusService Filename
ALGApplication Layer Gateway Service"Stopped"%System%\alg.exe
SharedAccessWindows Firewall/Internet Connection Sharing (ICS)"Stopped"%System%\svchost.exe -k netsvcs

 

Registry Modifications

 

Other details

Romania

PortProtocolProcess
1034TCPsvchost.exe (%Windir%\svchost.exe)

Remote HostPort Number
192.168.88.18080

 

 

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