ThreatExpert Report: Trojan.Gen, Trojan:Win32/Sisproc, Trojan-Proxy.Win32.Agent

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Submission Summary:

Submission details:

Submission received: 13 August 2012, 12:05:44
Processing time: 7 min 45 sec
Submitted sample:

File MD5: 0xAC64E714DA68C3319CE19446B271D724
File SHA-1: 0xF98DCFE306DA7A990BE924656BAC86FDC42D3AB2
Filesize: 76,921 bytes
Alias & packer info:

Trojan.Gen [Symantec]
Trojan:Win32/Sisproc [Microsoft]
Trojan-Proxy.Win32.Agent [Ikarus]
packed with: UPX [Kaspersky Lab]

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! Characteristics of the following security risk was identified in the system:

Security Risk	Description
Adware.MokeAd	MokeAd is adware which displays advertisements in the form of pop-ups on an infected PC. It is also known to drop or download huge amount of malware from various Chinese websites.

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 file was created in the system:

#	Filename(s)	File Size	File Hash
1	%Windir%\Driver Cache\i386\msitsnc.reg	18,600 bytes	MD5: 0xA726363420245C54E116786DC4AA96C8 SHA-1: 0x39161C1B5B5BE67371745829840B722DF3E05D5A

Note:

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

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]	225,280 bytes

Registry Modifications

The following Registry Keys were created:

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{20D04FE0-3AEA-1069-A2D8-08002B30309D}\shell\DevMgr
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{20D04FE0-3AEA-1069-A2D8-08002B30309D}\shell\DevMgr\command
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer
HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\DriverSearching
HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Internet Explorer
HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Internet Explorer\Infodelivery
HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Internet Explorer\Infodelivery\Restrictions
HKEY_CURRENT_USER\Software\Microsoft\CTF\LangBar
HKEY_CURRENT_USER\Software\Microsoft\CTF\LangBar\ItemState
HKEY_CURRENT_USER\Software\Microsoft\CTF\LangBar\ItemState\{ED9D5450-EBE6-4255-8289-F8A31E687228}
HKEY_CURRENT_USER\Software\Microsoft\CTF\MSUTB
HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Toolbar\QuickComplete
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Associations

The newly created Registry Values are:

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{20D04FE0-3AEA-1069-A2D8-08002B30309D}\shell\DevMgr\command]

(Default) = "%windir%\system32\mmc.exe /s %windir%\system32\devmgmt.msc"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{20D04FE0-3AEA-1069-A2D8-08002B30309D}\shell\DevMgr]

(Default) = "@%windir%\system32\devmgr.dll,-4"
SuppressionPolicy = 0x4000003C

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}\shell\OpenHomePage\Command]

(Default) = ""%ProgramFiles%\Internet Explorer\iexplore.exe"http://www.2345.com/?1538"

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

Max Cached Icons = "7500"

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced]

TaskbarGlomming = 0x00000000

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

NoInternetOpenWith = 0x00000001

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

NoRemoteRecursiveEvents = 0x00000001

[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\DriverSearching]

DontSearchWindowsUpdate = 0x00000001
DontPromptForWindowsUpdate = 0x00000001

[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Internet Explorer\Infodelivery\Restrictions]

NoJITSetup = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Windows]

NoPopUpsOnBoot = "1"

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Windows]

NoPopUpsOnBoot = "1"

[HKEY_CURRENT_USER\Software\Microsoft\CTF\LangBar\ItemState\{ED9D5450-EBE6-4255-8289-F8A31E687228}]

DemoteLevel = 0x00000003

[HKEY_CURRENT_USER\Software\Microsoft\CTF\MSUTB]

ShowDeskBand = 0x00000001

[HKEY_CURRENT_USER\Software\Microsoft\CTF\LangBar]

ShowStatus = 0x00000004
ExtraIconsOnMinimized = 0x00000000

[HKEY_CURRENT_USER\Software\Microsoft\Internet Connection Wizard]

DesktopChanged = 0x00000001

[HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer]

Download Directory = "%Profiles%\Administrator\??"

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

Enable AutoImageResize = "yes"
NotifyDownloadComplete = "no"
DisableScriptDebuggerIE = "yes"
Friendly http errors = "No"
Error Dlg Displayed On Every Error = "no"
Check_Associations = "no"
ShowedCheckBrowser = "Yes"

[HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\New Windows]

PopupMgr = 0x00000001

[HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Toolbar\QuickComplete]

QuickComplete = "http://www.%s.com"

[HKEY_CURRENT_USER\Software\Microsoft\Search Assistant]

Actor = ""
SocialUI = 0x00000000
UsageCount = 0x00000000
UseAdvancedSearchAlways = 0x00000001

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings]

MaxConnectionsPer1_0Server = 0x0000000A
MaxConnectionsPerServer = 0x0000000A

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

NoSMHelp = 0x00000001
ClearRecentDocsOnExit = 0x00000000
NoLowDiskSpaceChecks = 0x00000001
NoResolveTrack = 0x00000001
LinkResolveIgnoreLinkInfo = 0x00000001
NoResolveSearch = 0x00000001

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

ModRiskFileTypes = ".bat;.exe;.reg;.vbs"

The following Registry Values were deleted:

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}\shell\OpenHomePage\Command]

(Default) = ""%ProgramFiles%\Internet Explorer\iexplore.exe""

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\lnkfile]

IsShortcut = ""

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\piffile]

IsShortcut = ""

The following Registry Values were modified:

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\ContentIndex]

FilterFilesWithUnknownExtensions =

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\CrashControl]

AutoReboot =
CrashDumpEnabled =
LogEvent =
SendAlert =

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\ContentIndex]

FilterFilesWithUnknownExtensions =

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\CrashControl]

AutoReboot =
CrashDumpEnabled =
LogEvent =
SendAlert =

[HKEY_USERS\.DEFAULT\Control Panel\Keyboard]

InitialKeyboardIndicators =

[HKEY_CURRENT_USER\Control Panel\Desktop]

MenuShowDelay =

[HKEY_CURRENT_USER\Control Panel\International]

sLongDate =
sTimeFormat =

[HKEY_CURRENT_USER\Control Panel\Sound]

Beep =
ExtendedSounds =

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

Start Page =

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3]

1601 =

Other details

To mark the presence in the system, the following Mutex object was created:

_!SHMSFTHISTORY!_

The following Host Name was requested from a host database:

192.5.5.241

There was registered attempt to establish connection with the remote host. The connection details are:

Remote Host	Port Number
192.5.5.241	1033

The following Internet Connection was established:

Server Name	Server Port	Connect as User	Connection Password
www.2345.com	80	(null)	(null)

The following GET requests were made:

?1538
index.jpg

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