Submission Summary:

What's been foundSeverity Level
Produces outbound traffic.
Contains characteristics of an identified security risk.

 

Technical Details:

 

Possible Security Risk

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 %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%\hra8.dll
60,416 bytes MD5: 0xF6BF730C26A7BE47F4FA515A7A424E81
SHA-1: 0xBBFBA0C271ED6DDEC9D3A1398ABD3DABB033B30C
Backdoor.Trojan [Symantec]
Mal/Nitol-C [Sophos]
2 %Temp%\11a93c
%Windir%\ccuwco.exe
47,616 bytes MD5: 0x2530A4CD7186E74C8AFE854D5060DCDE
SHA-1: 0x0BF32FDFE5CFD73AF0FA21467B1912767EA13BD4
(not available)

 

Memory Modifications

Process NameProcess FilenameMain Module Size
ccuwco.exe%Windir%\ccuwco.exe57,344 bytes
[filename of the sample #1][file and pathname of the sample #1]57,344 bytes

Module NameModule FilenameAddress Space Details
hra8.dll%System%\hra8.dllProcess name: ccuwco.exe
Process filename: %Windir%\ccuwco.exe
Address space: 0x870000 - 0x883000

Service NameDisplay NameStatusService Filename
Pqrst Abcdefg IjklPqrstuab Defghijkl No Qrstuabcde Ghi"Running"%Windir%\ccuwco.exe

 

Registry Modifications

 

Other details

China

PortProtocolProcess
1033TCPccuwco.exe (%Windir%\ccuwco.exe)
1034TCPccuwco.exe (%Windir%\ccuwco.exe)

Remote HostPort Number
45.116.173.1864783
myss.ter.tf8006

 

Outbound traffic (potentially malicious)

 

 

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