Submission Summary:

What's been foundSeverity Level
Replication across networks by exploiting weakly restricted shares (common for Randex family of worms).
Produces outbound traffic.
Downloads/requests other files from Internet.
Creates a startup registry entry.
Contains characteristics of an identified security risk.

 

Technical Details:

 

Possible Security Risk

Security RiskDescription
Backdoor.Graybird.GEN Backdoor.Graybird.GEN has rootkit functionality. It injects itself into various processes causing them to be hidden. It also logs keystrokes and sends this information to remote servers.

Threat CategoryDescription
A network-aware worm that attempts to replicate across the existing network(s)

 

File System Modifications

#Filename(s)File SizeFile HashAlias
1 %ProgramFiles%\svchost.exe 90,112 bytes MD5: 0x496BE4CD9E9668595389C1C35D37CA72
SHA-1: 0x5C8B1F31162C04899A64D26E82E9DC3B345AB4BE
Mal/Hupigon-E [Sophos]
Trojan.Win32.ServStart [Ikarus]
2 c:\Yuemingl.txt 1,354 bytes MD5: 0x3277BE2FE26ADE7DD52C16F61AFEFB7B
SHA-1: 0x80A47F3586765783AAAB72441E0A0B2AA8BE955F
(not available)

 

Memory Modifications

Process NameProcess FilenameMain Module Size
svchost.exe%ProgramFiles%\svchost.exe94,208 bytes

Process NameMain Module Size
svchost.exe.exe94,208 bytes
svchost.exe.exe94,208 bytes

 

Registry Modifications

 

Other details

China

PortProtocolProcess
1038TCPsvchost.exe (%ProgramFiles%\svchost.exe)

Remote HostPort Number
202.168.151.773000
0.0.0.00

Server NameServer PortConnect as UserConnection Password
127.0.0.280127.0.0.2127.0.0.2

 

Outbound traffic (potentially malicious)

 

Heuristics Analysis

 

 

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