Submission Summary:

What's been foundSeverity Level
Produces outbound traffic.
Downloads/requests other files from Internet.
There were some system executable files modified, which might indicate the presence of a PE-file infector.
Contains characteristics of an identified security risk.

 

Technical Details:

 

Possible Security Risk

Security RiskDescription
Virus.Parite.B Virus Parite.B will remain in memory after executed, and infecting every SCR and PE file on every drive and network share.

Threat CategoryDescription
A virus capable to modify other files by infecting, prepending, or overwriting them them with its own body
A code with the rootkit-specific techniques designed to hide the software presence in the 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%\hra33.dll
206,848 bytes MD5: 0x20A0AA30206278D1F58F7AF1180DC541
SHA-1: 0xBDE257FD9AF81438BE0471450FDA99B3307676BE
Rootkit.Win32.Lapka.an [Kaspersky Lab]
Trojan.Win32.Patcher [Ikarus]
2 %Temp%\ima1.tmp
%Windir%\Temp\yma2.tmp
176,128 bytes MD5: 0x685F1CBD4AF30A1D0C25F252D399A666
SHA-1: 0x6A1B978F5E6150B88C8634146F1406ED97D2F134
W32.Pinfi [Symantec]
Virus.Win32.Parite.o [Kaspersky Lab]
W32/Pate.b.dll [McAfee]
PE_PARITE.A-O [Trend Micro]
W32/Parite-B [Sophos]
Virus:Win32/Parite.B.dll [Microsoft]
Virus.Win32.Parite [Ikarus]
Win32/Parite [AhnLab]
3 %Windir%\ccuwco.exe
[file and pathname of the sample #1]
198,098 bytes MD5: 0x3BA089FE4E8A856737D0143C0B29099C
SHA-1: 0x338B284C8D6FCCEFF7185F04CB1C89C2BD3EF385
W32.Pinfi [Symantec]
Virus.Win32.Parite.b [Kaspersky Lab]
W32/Pate.b [McAfee]
PE_PARITE.A [Trend Micro]
W32/Parite-B [Sophos]
Virus:Win32/Parite.B [Microsoft]
Virus.Win32.Parite [Ikarus]
Win32/Parite [AhnLab]

 

Memory Modifications

Process NameProcess FilenameMain Module Size
ccuwco.exe%Windir%\ccuwco.exe69,632 bytes
[filename of the sample #1][file and pathname of the sample #1]69,632 bytes

Module NameModule FilenameAddress Space Details
yma2.tmp%Windir%\TEMP\yma2.tmpProcess name: explorer.exe
Process filename: %Windir%\explorer.exe
Address space: 0x1E10000 - 0x1E83000
yma2.tmp%Windir%\TEMP\yma2.tmpProcess name: dllhost.exe
Process filename: %System%\dllhost.exe
Address space: 0x2890000 - 0x2903000
yma2.tmp%Windir%\TEMP\yma2.tmpProcess name: sdnsmain.exe
Process filename: %Windir%\dns\sdnsmain.exe
Address space: 0x1620000 - 0x1693000
yma2.tmp%Windir%\TEMP\yma2.tmpProcess name: ccuwco.exe
Process filename: %Windir%\ccuwco.exe
Address space: 0xB00000 - 0xB73000
hra33.dll%System%\hra33.dllProcess name: ccuwco.exe
Process filename: %Windir%\ccuwco.exe
Address space: 0xE00000 - 0xE36000
yma2.tmp%Windir%\TEMP\yma2.tmpProcess name: IEXPLORE.EXE
Process filename: %ProgramFiles%\internet explorer\iexplore.exe
Address space: 0xC50000 - 0xCC3000
yma2.tmp%Windir%\TEMP\yma2.tmpProcess name: VMwareUser.exe
Process filename: %ProgramFiles%\vmware\vmware tools\vmwareuser.exe
Address space: 0xC30000 - 0xCA3000
yma2.tmp%Windir%\TEMP\yma2.tmpProcess name: ccuwco.exe
Process filename: %Windir%\ccuwco.exe
Address space: 0xB00000 - 0xB73000

Service NameDisplay NameStatusService Filename
Stuvwx Abcdefgh JklStuvwx Abcdefgh Jklmnopq Stuv"Running"%Windir%\ccuwco.exe

 

Registry Modifications

 

Other details

China

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

Remote HostPort Number
www.8buc.win20172
180.255.51.116384
yy22815.com8090

Server NameServer PortConnect as UserConnection Password
.host80.host.host
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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