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

#Filename(s)File SizeFile HashAlias
1 %Temp%\hma1.tmp
176,640 bytes MD5: 0xFE763C2D71419352141C77C310E600D2
SHA-1: 0x6BB51EBCBDE9FE5556A74319B49BEA37D5542D5E
W32.Pinfi [Symantec]
Virus.Win32.Parite.c [Kaspersky Lab]
W32/Pate.c.dll [McAfee]
W32/Parite-C [Sophos]
Virus:Win32/Parite.C [Microsoft]
Virus.Win32.Parite [Ikarus]
Win32/Parite.C [AhnLab]
packed with UPX [Kaspersky Lab]
2 %Windir%\rebfec.exe
[file and pathname of the sample #1]
206,820 bytes MD5: 0x99FC241E7CAF95C11B3181B2EED9BBBA
SHA-1: 0xC5DDF0383F81699EABED4E49A515CB816B4F944E
W32.Pinfi [Symantec]
Virus.Win32.Parite.c [Kaspersky Lab]
W32/Pate.c [McAfee]
PE_PARITE.A [Trend Micro]
W32/Parite-C [Sophos]
Virus:Win32/Parite.C [Microsoft]
Virus.Win32.Parite [Ikarus]
Win32/Parite [AhnLab]


Memory Modifications

Process NameProcess FilenameMain Module Size
rebfec.exe%Windir%\rebfec.exe73,728 bytes
[filename of the sample #1][file and pathname of the sample #1]73,728 bytes

Module NameModule FilenameAddress Space Details
vma2.tmp%Windir%\TEMP\vma2.tmpProcess name: explorer.exe
Process filename: %Windir%\explorer.exe
Address space: 0x1E10000 - 0x1E83000
vma2.tmp%Windir%\TEMP\vma2.tmpProcess name: dllhost.exe
Process filename: %System%\dllhost.exe
Address space: 0x2890000 - 0x2903000
vma2.tmp%Windir%\TEMP\vma2.tmpProcess name: sdnsmain.exe
Process filename: %Windir%\dns\sdnsmain.exe
Address space: 0x1620000 - 0x1693000
vma2.tmp%Windir%\TEMP\vma2.tmpProcess name: rebfec.exe
Process filename: %Windir%\rebfec.exe
Address space: 0xAD0000 - 0xB43000
vma2.tmp%Windir%\TEMP\vma2.tmpProcess name: IEXPLORE.EXE
Process filename: %ProgramFiles%\internet explorer\iexplore.exe
Address space: 0xC50000 - 0xCC3000
vma2.tmp%Windir%\TEMP\vma2.tmpProcess name: VMwareUser.exe
Process filename: %ProgramFiles%\vmware\vmware tools\vmwareuser.exe
Address space: 0xC30000 - 0xCA3000
vma2.tmp%Windir%\TEMP\vma2.tmpProcess name: rebfec.exe
Process filename: %Windir%\rebfec.exe
Address space: 0xAD0000 - 0xB43000

Service NameDisplay NameStatusService Filename
.Net CLRMicrosoft .Net Framework COM+ Support"Running"%Windir%\rebfec.exe


Registry Modifications


Other details

1033TCPrebfec.exe (%Windir%\rebfec.exe)

Remote HostPort Number

Server NameServer PortConnect as UserConnection Password


Outbound traffic (potentially malicious)



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