ThreatExpert Report: Trojan.Gen, TrojanDownloader:Win32/Bancos.FY, Trojan-Downloader.Win32.Bancos

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Submission Summary:

Submission details:

Submission received: 3 October 2012, 17:01:20
Processing time: 8 min 58 sec
Submitted sample:

File MD5: 0x3F48DD83DB288223BE7FAB2A9E6B12E4
File SHA-1: 0xE0514D19E39B83B294D360998BE25C6EFF27C6B3
Filesize: 151,552 bytes
Alias:

Trojan.Gen [Symantec]
TrojanDownloader:Win32/Bancos.FY [Microsoft]
Trojan-Downloader.Win32.Bancos [Ikarus]

Summary of the findings:

What's been found	Severity Level
Downloads/requests other files from Internet.
Contains characteristics of an identified security risk.

Technical Details:

Possible Security Risk

Attention! The following threat category was identified:

Threat Category	Description
	A malicious trojan horse or bot that may represent security risk for the compromised system and/or its network environment

File System Modifications

The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	c:\astemp.tmp	19 bytes	MD5: 0x379D980591D56FD966C388595DD79D63 SHA-1: 0xC2AE5DE05C3A1114C59E53C4C87F123DF4415065	(not available)
2	%Windir%\aove6497.dll	125 bytes	MD5: 0x7C5F5A68051F6B0C0E9A2AD33C40D415 SHA-1: 0x120865765927A61AF83F02B83DC297EEDE61EC41	(not available)
3	[file and pathname of the sample #1]	151,552 bytes	MD5: 0x3F48DD83DB288223BE7FAB2A9E6B12E4 SHA-1: 0xE0514D19E39B83B294D360998BE25C6EFF27C6B3	Trojan.Gen [Symantec] TrojanDownloader:Win32/Bancos.FY [Microsoft] Trojan-Downloader.Win32.Bancos [Ikarus]

Note:

%Windir% is a variable that refers to the Windows installation folder. By default, this is C:\Windows or C:\Winnt.

Memory Modifications

There were new processes created in the system:

Process Name	Process Filename	Main Module Size
[generic host process]	[generic host process filename]	20,480 bytes
[filename of the sample #1]	[file and pathname of the sample #1]	151,552 bytes

Notes:

[generic host process filename] is a full path filename of [generic host process].

Registry Modifications

The following Registry Keys were created:

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Primer.clsPrimer
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Primer.clsPrimer\Clsid

The newly created Registry Value is:

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects]

(Default) = ""

Other details

The following Internet Connections were established:

Server Name	Server Port	Connect as User	Connection Password
faspaio.web101.f1.k8.com.br	80	(null)	(null)
maguh.com.br	80	(null)	(null)

The following GET request was made:

creuza6.jpg

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