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Submission Summary:

Submission details:

Submission received: 19 August 2012, 19:35:50
Processing time: 3 min 31 sec
Submitted sample:

File MD5: 0xC08AC9F13CD7793F4FF3127DE2860013
File SHA-1: 0xD3905B5E1AA47AA9E91B01AE86F3918FDB71DCEE
Filesize: 178,204 bytes

Technical Details:

File System Modifications

The following files were created in the system:

#	Filename(s)	File Size	File Hash
1	%AppData%\leer.exe	114,688 bytes	MD5: 0xB1D80982103E4C03A6B94C300A5EB703 SHA-1: 0x213908FD8591A178455CC87765885CB2E9A64E5B
2	%AppData%\temp.exe	53,248 bytes	MD5: 0x64D007C1380E8791C77C8AE7939FF96A SHA-1: 0xEAD6F749012C3E43E980AD1E4553997A542E4F8C
3	[file and pathname of the sample #1]	178,204 bytes	MD5: 0xC08AC9F13CD7793F4FF3127DE2860013 SHA-1: 0xD3905B5E1AA47AA9E91B01AE86F3918FDB71DCEE

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.

Memory Modifications

There were new processes created in the system:

Process Name	Process Filename	Main Module Size
temp.exe	%AppData%\temp.exe	57,344 bytes
[filename of the sample #1]	[file and pathname of the sample #1]	155,648 bytes
leer.exe	%AppData%\leer.exe	118,784 bytes

Registry Modifications

The following Registry Keys were created:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Attachments
HKEY_CURRENT_USER\Software\WinRAR SFX

The newly created Registry Values are:

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Security Center]

UACDisableNotify = 0x00000001

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\system]

EnableLUA = 0x00000000
ConsentPromptBehaviorAdmin = 0x00000000

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Attachments]

ScanWithAntiVirus = 0x00000001

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]

Home = "%AppData%\leer.exe"

so that leer.exe runs every time Windows starts

[HKEY_CURRENT_USER\Software\WinRAR SFX]

C%%Documents and Settings%%UserName%%Application Data = "%UserProfile%\Application Data"

Other details

Analysis of the file resources indicate the following possible countries of origin:

	Peru
	Russian Federation

The data identified by the following URL was then requested from the remote web server:

http://autosimg.info/un-bmw13441600.jpg

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