ThreatExpert Report: Trojan.Win32.Buzus.anee, W32.Ackantta.B@mm, W32/Palack.worm, W32/AutoVrt-Gen..

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Submission Summary:

Submission details:

Submission received: 10 September 2009, 02:12:38
Processing time: 8 min 0 sec
Submitted sample:

File MD5: 0x925A4A25CFA562A0330C8733CC697021
File SHA-1: 0xDEB40F521B05D5343A176D990C33B0E101A43437
Filesize: 266,240 bytes
Alias:

W32.Ackantta.B@mm [Symantec]
Trojan.Win32.Buzus.anee [Kaspersky Lab]
W32/Palack.worm [McAfee]
W32/AutoVrt-Gen, Mal/CryptBox-A [Sophos]
VirTool:Win32/Injector.gen!AH [Microsoft]
Trojan.Win32.Buzus [Ikarus]
Win32/Ackantta.worm.266240 [AhnLab]

Summary of the findings:

What's been found	Severity Level
Capability to send out email message(s) with the built-in SMTP client engine.
Threat characteristics of Vundo (aka VirtuMonde/VirtuMundo), a trojan horse that cause popups and advertises rogue antispyware programs. Vundo can be installed by visiting a Web site link contained in a spammed email. It is known to create a DLL file in the Windows system32 directory and inject it into system processes winlogon.exe and explorer.exe.
Communication with a remote SMTP server and sending out email.
Mass-mailer that sends out email to the email addresses harvested from the local computer.
Downloads/requests other files from Internet.
Creates a startup registry entry.
Registers a Winlogon notification package so that the installed module is loaded into the address space of winlogon.exe.
Registers a 32-bit in-process server DLL.
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.Virtumonde	Virtumonde modifies the Windows Internet connection mechanism and display various pop-up advertisements.
Trojan.Buzus!sd6	Trojan.Buzus!sd6 is a malicious program that does not infect other files but may represents security risk for your computer and/or network environment.

Attention! The following threat categories were identified:

Threat Category	Description
	A network-aware worm that attempts to replicate across the existing network(s)
	A malicious trojan horse or bot that may represent security risk for the compromised system and/or its network environment
	A program that downloads files to the local computer that may represent security risk

File System Modifications

The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%Temp%\cbXQjIAt.bat	79 bytes	MD5: 0xFE344E0D6EEE9BD02BD8978F197F34B1 SHA-1: 0x053A18272E26F33F033AC8C288A31ED450A34C6B	(not available)
2	%System%\javale.exe [file and pathname of the sample #1]	266,240 bytes	MD5: 0x925A4A25CFA562A0330C8733CC697021 SHA-1: 0xDEB40F521B05D5343A176D990C33B0E101A43437	W32.Ackantta.B@mm [Symantec] Trojan.Win32.Buzus.anee [Kaspersky Lab] W32/Palack.worm [McAfee] W32/AutoVrt-Gen, Mal/CryptBox-A [Sophos] VirTool:Win32/Injector.gen!AH [Microsoft] Trojan.Win32.Buzus [Ikarus] Win32/Ackantta.worm.266240 [AhnLab]
3	%System%\javame1.1.exe	52,224 bytes	MD5: 0xC3D20F28C394E3C5869F6FAA4684EB62 SHA-1: 0xEFE527A03F9848A951A7B6B91F4E971A83DDE64E	W32.Ackantta.B@mm [Symantec] Packed.Win32.Tdss.c [Kaspersky Lab] Generic BackDoor.u [McAfee] W32/AutoVrt-Gen, Mal/CryptBox-A [Sophos] VirTool:Win32/Injector.gen!AH [Microsoft] Packed.Win32.Tdss [Ikarus] Win32/Ackantta.worm.52224 [AhnLab]
4	%System%\javase1.1.exe	10,240 bytes	MD5: 0xEE916924597CB81398E27AC915A2DE86 SHA-1: 0xB07D234D4C6E19BC40B64B9464E06C0B53116BBC	Trojan Horse [Symantec] Trojan-Downloader.Win32.Murlo.bst [Kaspersky Lab] Downloader-BPV [McAfee] Mal/Piptea-A [Sophos] Trojan.Spammer [Ikarus] Win-Trojan/Agent.10240.VW [AhnLab]
5	%System%\opnmMdAp.dll	37,888 bytes	MD5: 0xD4A03EFCF2313F3C44A734C8E5E7095F SHA-1: 0x9ADB205083B9E0DD368164466FBFA7D1E46DE77C	Trojan Horse [Symantec] Trojan.Win32.Monder.bovr [Kaspersky Lab] Vundo.gen.w [McAfee] Troj/Virtum-Gen [Sophos] Trojan:Win32/Vundo.gen!AO [Microsoft] Trojan.Win32.Vundo [Ikarus] Win-Trojan/Monder.37888.C [AhnLab]

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).
%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).

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]	270,336 bytes
javale.exe	%System%\javale.exe	270,336 bytes
javame1.1.exe	%System%\javame1.1.exe	65,536 bytes
[generic host process]	[generic host process filename]	45,056 bytes
javaee1.1.exe	%System%\javaee1.1.exe	73,728 bytes

Notes:

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

The following module was loaded into the address space of other process(es):

Module Name	Module Filename	Address Space Details
opnmMdAp.dll	%System%\opnmMdAp.dll	Process name: explorer.exe Process filename: %Windir%\explorer.exe Address space: 0x1950000 - 0x1965000

Notes:

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

Registry Modifications

The following Registry Keys were created:

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{6D794CB4-C7CD-4c6f-BFDC-9B77AFBDC02C}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{6D794CB4-C7CD-4c6f-BFDC-9B77AFBDC02C}\InprocServer32
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Control Panel\Settings
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\CabinetFileStateRA
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\opnmMdAp
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\00cd0861
HKEY_CURRENT_USER\Software\Microsoft\cs41275

The newly created Registry Values are:

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{6D794CB4-C7CD-4c6f-BFDC-9B77AFBDC02C}\InprocServer32]

(Default) = "%System%\opnmMdAp.dll"
ThreadingModel = "Both"

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Control Panel\Settings]

Time = 30 DD 99 FF F6 31 CA 01 00 00 00 00

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

{6D794CB4-C7CD-4c6f-BFDC-9B77AFBDC02C} = ""

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

Sun Java Updater v7 = "%System%\javale.exe"

so that javale.exe runs every time Windows starts

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

Asynchronous = 0x00000001
DllName = "opnmMdAp.dll"
Impersonate = 0x00000000
Logon = "o"
Logoff = "f"

so that opnmMdAp.dll is installed as a Winlogon notification package

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\00cd0861]

(Default) = "6A445B6EDDA84B59B4C0E3CD18B98E14&"

[HKEY_CURRENT_USER\Software\Microsoft\Installer]

(Default) = 30 D8 02 00 F7 31 CA 01

The following Registry Value was modified:

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

1A10 =
{AEBA21FA-782A-4A90-978D-B72164C80120} =
{A8A88C49-5EB2-4990-A1A2-0876022C854F} =

Other details

To mark the presence in the system, the following Mutex objects were created:

xQfA3cKa
VXXgTFlK
DDrawWindowListMutex
DDrawDriverObjectListMutex
__DDrawExclMode__
ok1F3x@t

The following ports were open in the system:

Port	Protocol	Process
1031	TCP	javale.exe (%System%\javale.exe)
1034	TCP	[file and pathname of the sample #1]
1035	TCP	[file and pathname of the sample #1]
1048	TCP	javale.exe (%System%\javale.exe)
1049	TCP	javale.exe (%System%\javale.exe)
1065	TCP	javale.exe (%System%\javale.exe)
1066	TCP	javale.exe (%System%\javale.exe)
1067	TCP	javale.exe (%System%\javale.exe)
1068	TCP	javale.exe (%System%\javale.exe)

The following Host Names were requested from a host database:

www.whatismyip.com
?
mail.[user's domain]
[user's email address]
mx.[user's domain]
smtp.domain.com
smtp.[user's domain]
mx1.[user's domain]
mxs.[user's domain]
mail1.[user's domain]
relay.[user's domain]
ns.[user's domain]
gate.[user's domain]
206.137.17.89
msdirectservices.com

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

Remote Host	Port Number
?	43

The following Internet Connection was established:

Server Name	Server Port	Connect as User	Connection Password
ak.imgag.com	80	(null)	(null)

The following GET requests were made:

imgag/css/agbeta/agi_base.css
imgag/css/agbeta/agi_layout4.css
imgag/css/agbeta/agi_ecard.css
imgag/js/built/ag/dojo/dojo.js
imgag/js/built/ag/ag/layers/core.js
imgag/agbeta/x.gif
imgag/agbeta/button/submit.gif
imgag/js/built/ag/ag/layers/ext.js
imgag/js/built/ag/dojox/layers/storage.js
imgag/js/uut.js
imgag/product/thumbs/3121626r.gif

The following HTTP URL was started reading:

http://whatismyip.com/automation/n09230945.asp

The following Internet download was started (the retrieved bits are saved into the local file):

URL to be downloaded	Filename for the downloaded bits
http://childhe.com/pas/apstpldr.dll.html?affid=171288&uid=&guid=6A445B6EDDA84B59B4C0E3CD18B98E14	%System%\khfCuSjK.dll

There was application-defined hook procedure installed into the hook chain (e.g. to monitor keystrokes). The installed hook is handled by the following module:

%System%\opnmMdAp.dll

Generated SMTP traffic

Email Sender:

e-cards@americangreetings.com

Email Recipients:

austria@msdirectservices.com
[user's email address]

Email Subject:

You have got a new E-Card from your friend!

Email Attachments:

e-card.zip (364,490 bytes)
e-card.zip (364,696 bytes)

Email Body:

eCards, Free Greeting Cards Online, Birthday Cards and Funny Animated eCards at American GreetingsAmericanGreetings.comJoin NowSign Insign inEnter the email address and password that you used to sign up for your Membership or to register your account and hit the "submit" button.email addresspassword forgot your password?remember me on this computer (recommended unless you are using a public computer)feedbackhelpecardsphoto giftscreate & printremindersinviteswallpapers & screensaverssearch ecards ▼ ΧYou have got a new E-Card from your friend! To see the complete card check the attachment.You're a Wonderful Friend Because you make me laugh... Because you're there for me even before I ask... Because you understand me even when I'm not making sense... Because I don't know what I'd ever do without you... That's why our friendship means so much to me.help centerecard site mapcreate & print site mapadvertise with usaffiliate programprivacy policyterms of serviceabout usinvestor relationspress roomrecallsAmericanGreetings.com is a service of , a subsidiary of American GreetingsCopyright ï¿½ 1997-2009 AG.com, Inc. all rights reserved.

For example, the generated email message may look similar to the one shown below:

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