ThreatExpert Report: Trojan.Win32.Chifrax.a

Submission Summary:

Submission details:

Submission received: 4 December 2007, 12:13:31
Processing time: 3 min 31 sec
Submitted sample:

File MD5: 0x30F0D1AEEC0BF0D384E0D65F164D13DB
Filesize: 2,785,056 bytes
Alias: Trojan.Win32.Chifrax.a [Kaspersky Lab]

Summary of the findings:

What's been found	Severity Level
Registers a 32-bit in-process server DLL.
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	%DesktopDir%\MagicISO.lnk	630 bytes	MD5: 0x9FEC03C2D7A59460C79E4791A00DA2D7	(not available)
2	%Programs%\MagicISO\Magic CD & DVD Burner.lnk	1,518 bytes	MD5: 0x81A801DC7CE23129EAB31BB571887FDF	(not available)
3	%Programs%\MagicISO\MagicISO Help.lnk	642 bytes	MD5: 0x77EAD8A9CF0EBA0080EE0BC507AD415F	(not available)
4	%Programs%\MagicISO\MagicISO.lnk	642 bytes	MD5: 0xDF8523EB0AE7E2776AB07C0330B5D98D	(not available)
5	%Programs%\MagicISO\Uninstall.lnk	630 bytes	MD5: 0x69B5114CEEE1E506D6376B0F2B8750A9	(not available)
6	%ProgramFiles%\MagicISO\cdburner.ico	2,550 bytes	MD5: 0xB7685CE1D86792FD37CD4C8826784937	(not available)
7	%ProgramFiles%\MagicISO\INSTALL.LOG	2,887 bytes	MD5: 0x568684C8B054A6A8E56836C8021FF491	(not available)
8	%ProgramFiles%\MagicISO\MagicISO.chm	526,858 bytes	MD5: 0x5C56E7AE28F0BCE7AEE11DEC80708627	(not available)
9	%ProgramFiles%\MagicISO\MagicISO.exe	1,692,672 bytes	MD5: 0xFC1916F8DB79667B14058D113F92EF9B	(not available)
10	%ProgramFiles%\MagicISO\MagicISO.ico	23,558 bytes	MD5: 0xEDEDBB388A5FF053429ACAD7520AFCE6	(not available)
11	%ProgramFiles%\MagicISO\miso.exe	286,720 bytes	MD5: 0x6B8C218358DF01BDF37647AC7BDD0038	(not available)
12	%ProgramFiles%\MagicISO\misosh.dll	20,992 bytes	MD5: 0xF2F7B5173BA494FA23CD17E3E3027AA4	(not available)
13	%ProgramFiles%\MagicISO\UNWISE.EXE	162,304 bytes	MD5: 0x3A938ED2427DF10E571041069E6980CB	(not available)
14	%Windir%\1.exe	33,280 bytes	MD5: 0x99F000401E87A1987030B47DC7F06971	(not available)
15	%Windir%\Setup_MagicISO.exe	2,666,654 bytes	MD5: 0x24C9D85A5D20FF91A7EADCE47BE1ADCE	(not available)
16	[file and pathname of the sample #1]	2,785,056 bytes	MD5: 0x30F0D1AEEC0BF0D384E0D65F164D13DB	Trojan.Win32.Chifrax.a [Kaspersky Lab]

Notes:

%DesktopDir% is a variable that refers to the file system directory used to physically store file objects on the desktop. A typical path is C:\Documents and Settings\[UserName]\Desktop.
%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.
%ProgramFiles% is a variable that refers to the Program Files folder. A typical path is C:\Program Files.
%Windir% is a variable that refers to the Windows installation folder. By default, this is C:\Windows or C:\Winnt.

The following directories were created:

%Programs%\MagicISO
%ProgramFiles%\MagicISO

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]	135,168 bytes
1.exe	%Windir%\1.exe	61,440 bytes
Setup_MagicISO.exe	%Windir%\Setup_MagicISO.exe	28,672 bytes
GLJ5.tmp	%Temp%\GLJ5.tmp	16,384 bytes

Notes:

%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).

Registry Modifications

The following Registry Keys were created:

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\*\shellex\ContextMenuHandlers\MagicISO
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{DB85C504-C730-49DD-BEC1-7B39C6103B7A}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{DB85C504-C730-49DD-BEC1-7B39C6103B7A}\InprocServer32
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{DB85C504-C730-49DD-BEC1-7B39C6103B7A}\ProgID
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{DB85C504-C730-49DD-BEC1-7B39C6103B7A}\Programmable
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{DB85C504-C730-49DD-BEC1-7B39C6103B7A}\TypeLib
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{DB85C504-C730-49DD-BEC1-7B39C6103B7A}\VersionIndependentProgID
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Directory\shellex\ContextMenuHandlers\MagicISO
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Folder\shellex\ContextMenuHandlers\MagicISO
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\.iso
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\.uif
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\MagicISO.Document
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\MagicISO.Document\DefaultIcon
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\MagicISO.Document\shell
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\MagicISO.Document\shell\open
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\MagicISO.Document\shell\open\command
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Misosh.MShellExtMenu
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Misosh.MShellExtMenu\CLSID
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Misosh.MShellExtMenu\CurVer
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Misosh.MShellExtMenu.1
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Misosh.MShellExtMenu.1\CLSID
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Magic ISO Maker v5.3 (build 0221)
HKEY_CURRENT_USER\Software\MagicISO
HKEY_CURRENT_USER\Software\WinRAR SFX

The newly created Registry Values are:

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\*\shellex\ContextMenuHandlers\MagicISO]

(Default) = "{DB85C504-C730-49DD-BEC1-7B39C6103B7A}"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{DB85C504-C730-49DD-BEC1-7B39C6103B7A}\VersionIndependentProgID]

(Default) = "Misosh.MShellExtMenu"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{DB85C504-C730-49DD-BEC1-7B39C6103B7A}\TypeLib]

(Default) = "{4332D748-30D3-4464-B1A2-37525998CF50}"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{DB85C504-C730-49DD-BEC1-7B39C6103B7A}\ProgID]

(Default) = "Misosh.MShellExtMenu.1"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{DB85C504-C730-49DD-BEC1-7B39C6103B7A}\InprocServer32]

(Default) = "%ProgramFiles%\MagicISO\misosh.dll"
ThreadingModel = "Apartment"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{DB85C504-C730-49DD-BEC1-7B39C6103B7A}]

(Default) = "MShellExtMenu Class"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Directory\shellex\ContextMenuHandlers\MagicISO]

(Default) = "{DB85C504-C730-49DD-BEC1-7B39C6103B7A}"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Folder\shellex\ContextMenuHandlers\MagicISO]

(Default) = "{DB85C504-C730-49DD-BEC1-7B39C6103B7A}"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\.iso]

(Default) = "MagicISO.Document"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\.uif]

(Default) = "MagicISO.Document"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\MagicISO.Document\shell\open\command]

(Default) = "C:\PROGRA~1\MagicISO\MagicISO.exe %1"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\MagicISO.Document\DefaultIcon]

(Default) = "C:\PROGRA~1\MagicISO\MagicISO.ico,0"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\MagicISO.Document]

(Default) = "MagicISO Document"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Misosh.MShellExtMenu\CurVer]

(Default) = "Misosh.MShellExtMenu.1"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Misosh.MShellExtMenu\CLSID]

(Default) = "{DB85C504-C730-49DD-BEC1-7B39C6103B7A}"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Misosh.MShellExtMenu]

(Default) = "MShellExtMenu Class"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Misosh.MShellExtMenu.1\CLSID]

(Default) = "{DB85C504-C730-49DD-BEC1-7B39C6103B7A}"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Misosh.MShellExtMenu.1]

(Default) = "MShellExtMenu Class"

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Magic ISO Maker v5.3 (build 0221)]

DisplayName = "Magic ISO Maker v5.3 (build 0221)"
UninstallString = "C:\PROGRA~1\MagicISO\UNWISE.EXE C:\PROGRA~1\MagicISO\INSTALL.LOG"

[HKEY_CURRENT_USER\Software\MagicISO]

path = "C:\PROGRA~1\MagicISO"

[HKEY_CURRENT_USER\Software\WinRAR SFX]

c%%windows = "c:\windows"

Other details

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

	China
	Russian Federation

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