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

Threat CategoryDescription
A virus capable to modify other files by infecting, prepending, or overwriting them them with its own body

 

File System Modifications

 

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
Defghi Klmnopqr TuvDefghi Klmnopqr Tuvwxyab Defg"Running"%Windir%\ccuwco.exe

 

Registry Modifications

 

Other details

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

Remote HostPort Number
121.127.227.571999
ip.yototoo.com2017

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)

 

 

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 © 2017 ThreatExpert. All rights reserved.