Submission Summary:

What's been foundSeverity Level
Capability to block security-related software by modifying firewall settings and by disabling security services, such as Windows Update, Norton Autoprotect, Kaspersky Anti-Virus, etc.
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
nannaa.exe%Windir%\nannaa.exe163,840 bytes
[filename of the sample #1][file and pathname of the sample #1]163,840 bytes

Module NameModule FilenameAddress Space Details
hra33.dll%System%\hra33.dllProcess name: nannaa.exe
Process filename: %Windir%\nannaa.exe
Address space: 0xD60000 - 0xD8C000

Service NameDisplay NameStatusService Filename
pingfantuanduijindunpingfantuanduijindun"Running"%Windir%\nannaa.exe

 

Registry Modifications

 

Other details

PortProtocolProcess
1035TCPnannaa.exe (%Windir%\nannaa.exe)
1038TCPnannaa.exe (%Windir%\nannaa.exe)
1039TCPnannaa.exe (%Windir%\nannaa.exe)

Remote HostPort Number
103.200.116.507777
longge520.f3322.net1789
chinagov.8800.org8090
dxjipf.com443
88.198.69.4380

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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