ThreatExpert Report: Suspicious.BredoLab, Backdoor.Win32.Rbot.hyj, BackDoor-EFI, Troj/Delf-FFY..

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Submission Summary:

Submission details:

Submission received: 15 August 2012, 04:57:41
Processing time: 7 min 54 sec
Submitted sample:

File MD5: 0xA15C558852DF640B142E26F077745F63
File SHA-1: 0x6A9C1518653CB308464A77AFF0CE0A8436CE423E
Filesize: 338,468 bytes
Alias:

Suspicious.BredoLab [Symantec]
Backdoor.Win32.Rbot.hyj [Kaspersky Lab]
BackDoor-EFI [McAfee]
Troj/Delf-FFY [Sophos]
TrojanDropper:Win32/Agent.BAD [Microsoft]
Trojan.Win32.ProcessHijack [Ikarus]
Win32/IRCBot.worm.variant [AhnLab]

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:

The new window was created, as shown below:

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Possible Security Risk

Attention! The following threat categories were identified:

Threat Category	Description
	A virus capable to modify other files by infecting, prepending, or overwriting them them with its own body
	A malicious backdoor trojan that runs in the background and allows remote access to the compromised system

File System Modifications

The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%Temp%\11111.exe	185,814 bytes	MD5: 0x1277FCD3E65E1E22F36DC6766F77AA27 SHA-1: 0xB4E78F6B5469C5EAEE2CCF947377BB6844802CE3	W32.Virut.CF [Symantec] Virus.Win32.Virut.ce [Kaspersky Lab] W32/Virut.n.gen [McAfee] W32/Scribble-B [Sophos] Virus:Win32/Virut.BN [Microsoft] Virus.Win32.BeeInject [Ikarus] Win32/Virut.F [AhnLab]
2	%Temp%\4.pdf	116,896 bytes	MD5: 0x7F448D0F7BFFB571026C5B87E39E3D79 SHA-1: 0x1F2CEB71E5103DC5BA844D0EB29A52166A5207EF	(not available)
3	[file and pathname of the sample #1]	338,468 bytes	MD5: 0xA15C558852DF640B142E26F077745F63 SHA-1: 0x6A9C1518653CB308464A77AFF0CE0A8436CE423E	Suspicious.BredoLab [Symantec] Backdoor.Win32.Rbot.hyj [Kaspersky Lab] BackDoor-EFI [McAfee] Troj/Delf-FFY [Sophos] TrojanDropper:Win32/Agent.BAD [Microsoft] Trojan.Win32.ProcessHijack [Ikarus] Win32/IRCBot.worm.variant [AhnLab]

Note:

%Temp% is a variable that refers to the temporary folder in the short path form. By default, this is C:\Documents and Settings\[UserName]\Local Settings\Temp\ (Windows NT/2000/XP).

Memory Modifications

There were new processes created in the system:

Process Name	Process Filename	Main Module Size
[filename of the sample #1]	[file and pathname of the sample #1]	344,064 bytes
AcroRd32.exe	%ProgramFiles%\Adobe\Acrobat 6.0\Reader\AcroRd32.exe	7,786,496 bytes
11111.exe	%Temp%\11111.exe	N/A

Notes:

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

Other details

The following Internet Connection was established:

Server Name	Server Port	Connect as User	Connection Password
update.adobe.com	80	(null)	(null)

The following GET request was made:

pub/adobe/acrobat/js/6.x/rdr/win/enu/DataScript.js

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