ThreatExpert Report: Troj/EncProc-D

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Submission Summary:

Submission details:

Submission received: 15 August 2012, 10:11:59
Processing time: 7 min 33 sec
Submitted sample:

File MD5: 0x28FA58404CF659C8016CF058616334AF
File SHA-1: 0xDDA2C2754B4A3CC6420B70802B72F90B39E466D4
Filesize: 257,903 bytes
Packer info: packed with: PE_Patch [Kaspersky Lab]

Technical Details:

File System Modifications

The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%AppData%\TeamViewer\{286EBA13-E67E-4A92-B02D-515E4AD1146D}\8257159E47464FD7ABE8856508191302.dat	257,903 bytes	MD5: 0x0D48E7F84321E61E75EDB62CF7FA3460 SHA-1: 0x9F410435AECC9B15C7EDCED0EB1A22FF133BB469	Troj/EncProc-D [Sophos]
2	[file and pathname of the sample #1]	257,903 bytes	MD5: 0x28FA58404CF659C8016CF058616334AF SHA-1: 0xDDA2C2754B4A3CC6420B70802B72F90B39E466D4	packed with PE_Patch [Kaspersky Lab]

Note:

%AppData% is a variable that refers to the file system directory that serves as a common repository for application-specific data. A typical path is C:\Documents and Settings\[UserName]\Application Data.

The following directories were created:

%AppData%\TeamViewer
%AppData%\TeamViewer\{286EBA13-E67E-4A92-B02D-515E4AD1146D}

Memory Modifications

There was a new process created in the system:

Process Name	Process Filename	Main Module Size
[filename of the sample #1]	[file and pathname of the sample #1]	53,248 bytes

There were new memory pages created in the address space of the system process(es):

Process Name	Process Filename	Allocated Size
IEXPLORE.EXE	%ProgramFiles%\internet explorer\iexplore.exe	221,184 bytes
IEXPLORE.EXE	%ProgramFiles%\internet explorer\iexplore.exe	221,184 bytes
IEXPLORE.EXE	%ProgramFiles%\internet explorer\iexplore.exe	487,424 bytes

Notes:

%ProgramFiles% is a variable that refers to the Program Files folder. A typical path is C:\Program Files.

Registry Modifications

The newly created Registry Value is:

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run]

LicenseValidator = "%AppData%\Identities\{6B1F74CF-C3AC-40EF-83DB-0A201B7FAC19}\LicenseValidator.exe"

Other details

To mark the presence in the system, the following Mutex objects were created:

Global\NtKernelProc.1504
NtKernelInjLock
Global\NtSys32AutoLock

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