ThreatExpert Report: Bredolab.gen.a, Mal/Bredo-A, Mal/Behav-340..

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Submission Summary:

Submission details:

Submission received: 27 October 2009, 15:33:28
Processing time: 6 min 25 sec
Submitted sample:

File MD5: 0xE3EDFFB53E463BC6E3F498C8AAA1E447
File SHA-1: 0xC55F7F5C0EC62F97A88011DEDF80C01F77CF00B6
Filesize: 29,184 bytes
Alias:

Bredolab.gen.a [McAfee]
Mal/Bredo-A, Mal/Behav-340 [Sophos]

Summary of the findings:

What's been found	Severity Level
Threat characteristics of ZBot - a banking trojan that disables firewall, steals sensitive financial data (credit card numbers, online banking login details), makes screen snapshots, downloads additional components, and provides a hacker with the remote access to the compromised system.
Stealth-mode characteristics common to Rootkits.
Downloads/requests other files from Internet.
Registers a 32-bit in-process server DLL.
Registers a Browser Helper Object (Microsoft's Internet Explorer plugin module).
Contains characteristics of an identified security risk.

Technical Details:

Possible Security Risk

Attention! Characteristics of the following security risks were identified in the system:

Security Risk	Description
Trojan-Downloader.Agent	Trojan.Downloader.Agent downloads and installs other malware onto infected machine.
Backdoor.Bredolab	Backdoor.Bredolab allows attackers unauthorized access to infected machines.
Trojan-Spy.Zbot.YETH	Trojan-Spy.Zbot.YETH is a rootkit trojan which steals online banking information and downloads other malware as well.
Trojan-Downloader.Small.GEN	Trojan-Downloader.Small.GEN contacts remote servers in order to download additional malware onto a users computer without their knowledge.

Attention! The following threat categories were identified:

Threat Category	Description
	A keylogger program that can capture all user keystrokes (including confidential details such username, password, credit card number, etc.)
	A malicious trojan horse or bot that may represent security risk for the compromised system and/or its network environment
	A malicious backdoor trojan that runs in the background and allows remote access to the compromised system
	A potentially unwanted adware program designed to deliver various advertisements to the users' systems

File System Modifications

The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%AppData%\wiaservg.log	16 bytes	MD5: 0xD7D38E8E045D075C8302045440A17E3F SHA-1: 0x6CD7ED18453574F911FF956B31793B764F946B29	(not available)
2	%Programs%\Startup\isqsys32.exe	29,184 bytes	MD5: 0xE3EDFFB53E463BC6E3F498C8AAA1E447 SHA-1: 0xC55F7F5C0EC62F97A88011DEDF80C01F77CF00B6	Bredolab.gen.a [McAfee] Mal/Bredo-A, Mal/Behav-340 [Sophos]
3	%Windir%\mcheaprc.dll	51,712 bytes	MD5: 0x295353AB6181BB29CBE25680248BC836 SHA-1: 0xC65A68F132EBB6402C288FD1AE5CE67B6D8F01CA	(not available)
4	%System%\beghghk.dll	428,320 bytes	MD5: 0x169B8D09C234FB81C4F4F2C97B08C5DD SHA-1: 0xC4F252B1E84F3B235C955F67ECB15A8ED4C9F420	not-a-virus:AdWare.Win32.SuperJuan.wus [Kaspersky Lab] Downloader-BNY [McAfee] Trojan.Win32.Glecia [Ikarus]
5	%System%\sdra64.exe	556,032 bytes	MD5: 0xDB0E5F145143F2B87724351E4B3852AE SHA-1: 0x7040C61B2FB712307C778AFFA6736819C1B096EF	(not available)
6	%System%\sys.dat	41,472 bytes	MD5: 0xAFFBEDAFBD4C2A3BF7C5E7D46403BA09 SHA-1: 0x4CEF77615B1221E855D8D3DDA8ED30ECE24F9F43	not-a-virus:AdWare.Win32.SuperJuan.wus [Kaspersky Lab] Downloader-BNY [McAfee] Trojan.Win32.Glecia [Ikarus]
7	%System%\wbem\proquota.exe	38,400 bytes	MD5: 0xEBB17BEEBCA771E711C8148412E2E2F9 SHA-1: 0x7917A27842E5DE035797B911F919FDE48CF41DD4	(not available)
8	%Windir%\Temp\wpv601256600826.exe	89,088 bytes	MD5: 0xEA610CC9EDE291193FA3918D539FB456 SHA-1: 0x26655A0A8A8C2C33EF928BC602214504214A6701	(not available)
9	%Windir%\Temp\wpv831256652545.exe	51,712 bytes	MD5: 0xD5DC0B5CE5C8E8BA6ADB58D6F5FD2199 SHA-1: 0x8CF15C6CB64B8B15FF848EE4BA1E664836F502D8	(not available)

Notes:

%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.
%Programs% is a variable that refers to the file system directory that contains the user's program groups. A typical path is C:\Documents and Settings\[UserName]\Start Menu\Programs.
%Windir% is a variable that refers to the Windows installation folder. By default, this is C:\Windows or C:\Winnt.
%System% is a variable that refers to the System folder. By default, this is C:\Windows\System (Windows 95/98/Me), C:\Winnt\System32 (Windows NT/2000), or C:\Windows\System32 (Windows XP).

Attention! The following hidden files were created in the system:

#	Filename(s)	File Size	File Hash
1	%System%\lowsec\local.ds %System%\lowsec\user.ds	0 bytes	MD5: 0xD41D8CD98F00B204E9800998ECF8427E SHA-1: 0xDA39A3EE5E6B4B0D3255BFEF95601890AFD80709
2	%System%\lowsec\user.ds.lll	619 bytes	MD5: 0xA9B5E8892F75C0D19D5EDB8040E7A064 SHA-1: 0x97FCA2FF006306F84CD0E566CFAEAEA5A09EDFA7

The following file was deleted:

%System%\proquota.exe

Attention! The following hidden directory was created:

%System%\lowsec

Memory Modifications

There were new processes created in the system:

Process Name	Process Filename	Main Module Size
isqsys32.exe	%Programs%\startup\isqsys32.exe	73,728 bytes
proquota.exe	%System%\wbem\proquota.exe	90,112 bytes
wpv601256600826.exe	%Windir%\temp\wpv601256600826.exe	118,784 bytes

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

Process Name	Process Filename	Allocated Size
services.exe	%System%\services.exe	90,112 bytes
lsass.exe	%System%\lsass.exe	90,112 bytes
svchost.exe	%System%\svchost.exe	90,112 bytes
svchost.exe	%System%\svchost.exe	90,112 bytes
svchost.exe	%System%\svchost.exe	90,112 bytes
svchost.exe	%System%\svchost.exe	90,112 bytes
svchost.exe	%System%\svchost.exe	90,112 bytes
alg.exe	%System%\alg.exe	90,112 bytes
[generic host process]	[generic host process filename]	90,112 bytes
svchost.exe	%System%\svchost.exe	90,112 bytes
svchost.exe	%System%\svchost.exe	65,536 bytes

Notes:

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

The following modules were loaded into the address space of other process(es):

Module Name	Module Filename	Address Space Details
mcheaprc.dll	%Windir%\mcheaprc.dll	Process name: explorer.exe Process filename: %Windir%\explorer.exe Address space: 0xF90000 - 0xFA0000
mcheaprc.dll	%Windir%\mcheaprc.dll	Process name: [generic host process] Process filename: [generic host process filename] Address space: 0x10000000 - 0x10010000

Registry Modifications

The following Registry Keys were created:

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{BB64DF7F-CA90-41EF-BF51-5085E9DAB800}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{BB64DF7F-CA90-41EF-BF51-5085E9DAB800}\InProcServer32
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{BB64DF7F-CA90-41EF-BF51-5085E9DAB800}
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Phuxobab
HKEY_USERS\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\{334613DB-50C1-B3BE-95ED-E9915A134FF1}
HKEY_USERS\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\{43BF8CD1-C5D5-2230-7BB2-98F22C2B7DC6}
HKEY_USERS\.DEFAULT\Software\Microsoft\Protected Storage System Provider
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System

The newly created Registry Values are:

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{BB64DF7F-CA90-41EF-BF51-5085E9DAB800}\InProcServer32]

(Default) = "%System%\beghghk.dll"
ThreadingModel = "Apartment"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{BB64DF7F-CA90-41EF-BF51-5085E9DAB800}]

(Default) = "Microsoft Online Helper!"

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{BB64DF7F-CA90-41EF-BF51-5085E9DAB800}]

(Default) = "Microsoft Online Helper!"

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

Hxaluqidefay = 43 01 38 03 58 05 51 07 41 09 44 0B 48 0D 41 0F 47 11 41 13 48 15 7B 17 7B 19 72 1B 79 1D 7F 1F 50 21 50 23 47 25 08 27 4C 29 46 2B 40 2D 2E 2F
Sheqid = "71"
Lmehuqufuna = 37 01 30 03 31 05 06 07
Yjutiheha = 39 01 3B 03 34 05 44 07 4A 09 4B 0B 49 0D 4D 0F 26 11 26 13 2C 15 53 17 2C 19 2D 1B 59 1D 5C 1F 18 21 10 23 66 25 62 27 11 29 18 2B 1A 2D 17 2F 07 31 06 33 01 35 03 37 0E 39 0A 3B 04 3D 7B 3F 40 41

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Network]

UID = "%ComputerName%_00030BE8"

[HKEY_USERS\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\{334613DB-50C1-B3BE-95ED-E9915A134FF1}]

{3039636B-5F3D-6C64-6675-696870667265} = F7 09 F2 0D
{33373039-3132-3864-6B30-303233343434} = 47 09 F2 0D

[HKEY_USERS\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\{43BF8CD1-C5D5-2230-7BB2-98F22C2B7DC6}]

{3039636B-5F3D-6C64-6675-696870667265} = F7 09 F2 0D
{33373039-3132-3864-6B30-303233343434} = 47 09 F2 0D

[HKEY_USERS\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings]

ProxyEnable = 0x00000000

[HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main]

^%\E$@@#n%^a&^()%b#(^$%l%(^%$e(^& ^%\#$%r$$^%o$#(%w@$%#$s%^^%$e%^(()(*& %#E*&^&x$(%%t%$#$@e^^%@(n#$%s))#%i*^o$%$^$^n(&*s(%^& = "yes"

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System]

EnableProfileQuota = 0x00000001

The following Registry Values were modified:

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon]

Userinit =

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Lsa]

Notification Packages =

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa]

Notification Packages =

[HKEY_USERS\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]

Cookies =
History =

Other details

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

	Russian Federation
	China

There were registered attempts to establish connection with the remote hosts. The connection details are:

Remote Host	Port Number
202.39.17.53	80
217.23.7.162	80
95.211.27.211	80

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

http://mmsfoundsystem.ru/public/controller.php?action=bot&entity_list=&uid=&first=1&guid=13441600&v=15&rnd=8520045
http://mmsfoundsystem.ru/public/controller.php?action=report&guid=0&rnd=8520045&uid=&entity=1256600567:unique_start;1256600826:unique_start;1256601603:unique_start;1256652545:unique_start
http://hostvegass.ru/cman/receiver/online
http://wapdodoit.ru/mn/base.cfg
http://www.whatsmyipaddress.com/

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