Submission Summary:

What's been foundSeverity Level
Produces outbound traffic.
Downloads/requests other files from Internet.

 

Technical Details:

 

File System Modifications

#Filename(s)File SizeFile HashAlias
1 %AppData%\Microsoft\Installer\{B53D42E8-872B-430E-82D4-80065A31FCE1}\lpk.dll
[pathname with a string SHARE]\lpk.dll
[pathname with a string SHARE]\lpk.dll
[pathname with a string SHARE]\lpk.dll
%ProgramFiles%\Internet Explorer\Connection Wizard\lpk.dll
%ProgramFiles%\Internet Explorer\lpk.dll
%ProgramFiles%\Messenger\lpk.dll
%System%\hra33.dll
28,160 bytes MD5: 0x637349E2C269C7D182D4E68BD460EC68
SHA-1: 0x8E187CDA58D8239B83058FCC013A950525B6EC49
Trojan.Win32.Patcher [Ikarus]
2 %Windir%\ccuwco.exe
[file and pathname of the sample #1]
19,968 bytes MD5: 0x19BE22007B1BA83B6B05C1BA8E2C8257
SHA-1: 0x034AB3664C85593F7DD35B7108B6D700E49437B2
Mal/Behav-004 [Sophos]
Trojan.Win32.Dialer [Ikarus]
packed with UPX [Kaspersky Lab]

 

Memory Modifications

Process NameProcess FilenameMain Module Size
ccuwco.exe%Windir%\ccuwco.exe65,536 bytes
[filename of the sample #1][file and pathname of the sample #1]65,536 bytes

Module NameModule FilenameAddress Space Details
hra33.dll%System%\hra33.dllProcess name: ccuwco.exe
Process filename: %Windir%\ccuwco.exe
Address space: 0x3A0000 - 0x3AA000

Service NameDisplay NameStatusService Filename
Microsoft.Net CLRMicrosoft .Net Framework COM+ Support"Running"%Windir%\ccuwco.exe

 

Registry Modifications

 

Other details

China

PortProtocolProcess
1033TCPccuwco.exe (%Windir%\ccuwco.exe)
1035TCPccuwco.exe (%Windir%\ccuwco.exe)

Remote HostPort Number
122.10.82.22238080
ip.yototoo.com2017

Server NameServer PortConnect as UserConnection Password
127.0.0.280127.0.0.2127.0.0.2
127.0.0.380127.0.0.3127.0.0.3
127.0.0.480127.0.0.4127.0.0.4

 

Outbound traffic (potentially malicious)

 

 

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