Submission Summary:

What's been foundSeverity Level
Produces outbound traffic.
Downloads/requests other files from Internet.
Contains characteristics of an identified security risk.

 

Technical Details:

 

Possible Security Risk

Threat CategoryDescription
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
59,392 bytes MD5: 0x834D2E1B2D665463C8A089D8427C52B3
SHA-1: 0x6FC446B6C8D9E9E810E8A9CB6C0233B663A9EC2F
Rootkit.Win32.Lapka.an [Kaspersky Lab]
Trojan.Win32.Patcher [Ikarus]
2 %Windir%\ccuwco.exe
[file and pathname of the sample #1]
50,804 bytes MD5: 0x21FD82470FD126C3D506555C7C7CBEA8
SHA-1: 0x1188E0D2E7E70409B9B1663FC6D7567464727350
W32.Virut.CF [Symantec]
Mal/Behav-004 [Sophos]
Trojan-Downloader.Win32.Small [Ikarus]
packed with UPX [Kaspersky Lab]

 

Memory Modifications

Process NameProcess FilenameMain Module Size
ccuwco.exe%Windir%\ccuwco.exe94,208 bytes
[filename of the sample #1][file and pathname of the sample #1]94,208 bytes

Module NameModule FilenameAddress Space Details
hra33.dll%System%\hra33.dllProcess name: ccuwco.exe
Process filename: %Windir%\ccuwco.exe
Address space: 0x3A0000 - 0x3B2000

Service NameDisplay NameStatusService Filename
Defgdfgh865666mnopqr TuvDefghi Klmnopqo8pl2zxs6f12b Defg"Running"%Windir%\ccuwco.exe

 

Registry Modifications

 

Other details

China

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

Remote HostPort Number
116.196.117.657788
180.255.25.116384
qc4.pw7890

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)

 

 

All content ("Information") contained in this report is the copyrighted work of Threat Expert Ltd and its associated companies ("ThreatExpert") and may not be copied without the express permission of ThreatExpert.

The Information is provided on an "as is" basis. ThreatExpert disclaims all warranties, whether express or implied, to the maximum extent permitted by law, including the implied warranties that the Information is merchantable, of satisfactory quality, accurate, fit for a particular purpose or need, or non-infringing, unless such implied warranties are legally incapable of exclusion. Further, ThreatExpert does not warrant or make any representations regarding the use or the results of the use of the Information in terms of their correctness, accuracy, reliability, or otherwise.

Copyright © 2018 ThreatExpert. All rights reserved.