TSPY_ZBOT.ZYA

September 28, 2013

Analysis by: Marfel Tiamzon

PLATFORM:

Windows 2000, XP, Server 2003

OVERALL RISK RATING:

REPORTED INFECTION:

SYSTEM IMPACT RATING:

INFORMATION EXPOSURE:

Threat Type: Spyware
Destructiveness: No
Encrypted: Yes
In the wild: Yes

OVERVIEW

This spyware attempts to steal sensitive online banking information, such as user names and passwords. This routine risks the exposure of the user's account information, which may then lead to the unauthorized use of the stolen data. Once users access any of the monitored sites, it starts logging keystrokes. It attempts to steal information, such as user names and passwords, used when logging into certain banking or finance-related websites.

TECHNICAL DETAILS

File Size:

144,896 bytes

File Type:

EXE

Memory Resident:

Yes

Initial Samples Received Date:

09 Oct 2010

Infection Points

This spyware arrives as a file downloaded from the following URLs:

http://{BLOCKED}eglobal.ru/moe/lolo.exe

Installation

This spyware drops the following files:

%Application Data%\{random1}\{random}.exe
%Application Data%\{random2}\{random}.{random}

(Note: %Application Data% is the current user's Application Data folder, which is usually C:\Documents and Settings\{user name}\Application Data on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Roaming on Windows Vista and 7.)

It creates the following folders:

%Application Data%\{random1}
%Application Data%\{random2}

Autostart Technique

This spyware adds the following registry entries to enable its automatic execution at every system startup:

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
{365CD2CA-D0E2-2B36-0EEB-EF30ED0DB36A} = %Application Data%\{random1}\{random}.exe

Other System Modifications

This spyware adds the following registry keys:

HKEY_CURRENT_USER\Software\Microsoft\
{random}
@ =

Information Theft

This spyware monitors the Internet Explorer (IE) activities of the affected system, specifically the address bar. It recreates a legitimate website with a spoofed login page if a user visits banking sites with the following strings in the address bar and/or title bar:

*.microsoft.com/*
*.trafficexplorer.com*
*.trueadvantage*
*login.commbiz.commbank.com.au*
*superiorads.biz*
http*bank.com.au/*
http://*.bmp
http://*.flv
http://*.gif
http://*.jpg
http://*.png
http://*.swf
http://*msn.com/*
http://*myspace.com/*
http://*youtube.com/*
http://ads.*
http://app.facebook.com/*
http://apps.facebook.com/*
http://facebook.com/*
http://livejournal.com/*
http://poonstart.ru/xxx/gate.php
http://saltonline.ru/sydney/index.php
http://savingsloans.com.au/PCLink_Check.aspx?p=52
http://www.citibank.com.au/australia/signon1/
http://www.communitycps.com.au/aspx/banking_view.aspx
http://www.facebook.com/*
http://www.membersequitybank.com.au/webBanking
https://*.bmp
https://*.flv
https://*.pncs.com.au/806015v47/*
https://*.swf
https://access.imb.com.au/imblogo_small.jpg
https://access.imb.com.au/personal*
https://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js
https://ajax.googleapis.com/ajax/libs/yui/2.8.1/build/animation/animation-min.js
https://ajax.googleapis.com/ajax/libs/yui/2.8.1/build/container/assets/skins/sam/container.css
https://ajax.googleapis.com/ajax/libs/yui/2.8.1/build/container/container-min.js
https://ajax.googleapis.com/ajax/libs/yui/2.8.1/build/cookie/cookie-min.js
https://ajax.googleapis.com/ajax/libs/yui/2.8.1/build/dragdrop/dragdrop-min.js
https://ajax.googleapis.com/ajax/libs/yui/2.8.1/build/event-simulate/event-simulate-min.js
https://ajax.googleapis.com/ajax/libs/yui/2.8.1/build/selector/selector-min.js
https://ajax.googleapis.com/ajax/libs/yui/2.8.1/build/yahoo-dom-event/yahoo-dom-event.js
https://businessonline.westpac.com.au/*
https://ebank.adcu.com.au/mvp352/Login.asp
https://etacts.com/media/images/ajax-loader.gif
https://ib.teacherscreditunion.com.au/Login.asp
https://ibank.humebuild.com.au/login.asp
https://inetbnkp.adelaidebank.com.au/OnlineBanking/AdBank?xid=*
https://inetbnkp.adelaidebank.com.au/OnlineBanking/adbanklogo.jpg
https://internetbanking.suncorpmetway.com.au/sml/logon.asp*
https://login.commbiz.commbank.com.au/Common/Common.Web/images/cba-logo-whitebg.gif
https://mvp.bigsky.net.au/mvpbscu/Login.asp
https://online.corp.westpac.com.au/
https://online.corp.westpac.com.au/furniture/ui_imgs/bg_header_singlepiece_24b_a.png
https://online.corp.westpac.com.au/furniture/ui_imgs/esi_btn_signin.png
https://online.corp.westpac.com.au/furniture/ui_imgs/logo_W_8b_a.png
https://online.mecu.com.au/daib/logon/cu3140/logon.asp
https://online.qantascu.com.au/daib/images/logon/cu2035/logo.gif\
https://online.qantascu.com.au/daib/logon/cu2035/logon.asp
https://online.savingsloans.com.au/DAIB/Logon/CU5023/Logon.asp
https://online.savingsloans.com.au/daib/images/logon/cu5023/logo.gif\
https://online.westpac.com.au/*
https://pc-easynet.policecredit.com.au/easyaccess/Login.asp*
https://permonline.newcastlepermanent.com.au/IB*/NPBSBusiness*
https://permonline.newcastlepermanent.com.au/IB*/NPBSPersonal*
https://permonline.newcastlepermanent.com.au/IB04/images/logo.gif
https://saltonline.ru/acd/ACD.js
https://secariadna.com/cgi-bin/ACD/ACD.js
https://secure.accu.com.au/secureaccu2/*
https://secure.accu.com.au/secureaccu2/img/austcenlogo.gif\
https://secure.ampbanking.com/au/Logon
https://secure.ampbanking.com/au/Logon
https://secure.ampbanking.com/au/Logon*
https://secure.liteforex.org/public/common/images/icons/alert.png
https://secure.mystate.com.au/secure*
https://secure.mystate.com.au/secure2/img/logo_main.gif\
https://static.my.commbank.com.au/static/R240/fo/images/phone.gif
https://webbanker.cua.com.au/webbanker/CUA?xid=*
https://webbanker.cua.com.au/webbanker/banner.jpg
https://www.amp.com.au/wps/portal/au/WPSLogin?*
https://www.bethelcollege.edu/generalconference/images/progress_bar.gif
https://www.citibank.com.au/AUGCB/JSO/signon/DisplayUsernameSignon.do
https://www.citibank.com.au/JPC/portal/images/cnb/citibank_logo.gif\
https://www.cpsinternetbanking.com.au/DAIB/images/logon/Cu5022/cps_r1_c1.jpg\
https://www.cpsinternetbanking.com.au/daib/logon/cu5022/logon.asp
https://www.pcunet1.com.au/mvppolice/Login.asp
https://www1.membersequitybank.com.au/ME?xid=*
https://www1.membersequitybank.com.au/logo1.gif
https://www3.netbank.comm1bank.com.au/static/css/current/fo/images/navArrowOrange.gif?v=10) no-repeat scroll 0 5px;
https://www3.netbank.commbank.com.au/static/css/current/fo/images/cba-logo-whitebg.gif?v=10
https://www3.netbank.commbank.com.au/static/css/current/fo/images/highlightPanelBg.png?v=10) repeat-y scroll top left;
https://www3.netbank.commbank.com.au/static/css/current/fo/images/highlightPanelBottom.png?v=10) no-repeat scroll bottom left;
https://www3.netbank.commbank.com.au/static/css/current/fo/images/highlightPanelBottomShadow.png?v=10) no-repeat scroll bottom left;
https://www3.netbank.commbank.com.au/static/css/current/fo/images/highlightPanelTop.png?v=10) no-repeat scroll top left;
https://www3.netbank.commbank.com.au/static/css/current/fo/images/logon-button.png?v=10) no-repeat scroll top left;
https://www3.netbank.commbank.com.au/static/css/current/fo/images/registerBanner.png?v=10) no-repeat scroll top left;
https://www3.netbank.commbank.com.au/static/css/current/fo/images/yellow-line.jpg?v=10) no-repeat scroll 5px bottom;

It attempts to steal sensitive online banking information, such as user names and passwords. This routine risks the exposure of the user's account information, which may then lead to the unauthorized use of the stolen data.

It accesses the following site to download its configuration file:

http://{BLOCKED}ints.ru/moe/lol.dll
http://{BLOCKED}reglobal.ru/moe/lolo.dll

Once users access any of the monitored sites, it starts logging keystrokes.

Note that the contents of the file, hence the list of websites to monitor, may change any time.

It attempts to steal information from the following banks and/or other financial institutions:

AIB
Citibank
Facebook
Live Journal
Microsoft
Myspace
Net Banking
PNC
Westpac Banking Corporation
YouTube

Stolen Information

This spyware sends the gathered information via HTTP POST to the following URL:

http://{BLOCKED}reglobal.ru/moe/lol.php

Other Details

This spyware did not exhibit backdoor routines during testing.

Variant Information

This spyware has the following MD5 hashes:

7fd31163fe7d29c61767437b2b1234cd

It has the following SHA1 hashes:

19833859e7383151a75baf4e904f2be9487e6ae0

SOLUTION

Minimum Scan Engine:

8.900

Step 1

Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.

Step 2

Identify and delete files detected as TSPY_ZBOT.ZYA using either the Startup Disk or Recovery Console

[ Learn More ]

To identify and delete the malware/grayware file:

• On Windows XP and Server 2003 systems:

Scan your computer with your Trend Micro product and then take note of the names of the malware/grayware files detected.
Click Start>Run. In the Open input box, type secpol.msc and press Enter.
In the left panel, double-click Local Policies>Security Options.
In the right panel, double-click Recovery Console: Allow floppy copy and access to all drives and folders.
Select Enabled and click OK.
Insert the Windows Installation CD into the CD drive, then restart your computer.
When prompted, press any key to boot from the CD.
On the main menu, type r to go to the Recovery Console.
Type the number that corresponds to the drive and directory that contains Windows (usually C:\WINDOWS) and press Enter.
Type the Administrator password and press Enter.
In the input box, type the following then press Enter:
SET AllowAllPaths = TRUE
del "{malware/grayware path and file name}"
Type exit and press Enter to restart the system normally.

• On Windows Vista and 7 systems:

Scan your computer with your Trend Micro product and then take note of the names of the malware/grayware files detected.
Insert your Windows Installation DVD in the DVD drive, then Press the restart button.
When prompted, press any key to boot from the CD.
Depending on your Windows Installation DVD, you might be required to select the installation language. Then on the Install Windows window, choose your language, locale, and keyboard layout or input method. Click Next, then click Repair your computer.
Select Use recovery tools that can help fix problems starting Windows. Select your installation of Windows. Click Next.
If the Startup Repair window appears, click Cancel, Yes, then Finish.
In the System Recovery Options window, click Command Prompt.
In the Command Prompt window, type the following then press Enter:
BootRec.exe /fixmbr
del "{malware/grayware path and file name}"
Type exit and press Enter to close the Command Prompt window.
Click Restart to restart the system normally.

Step 3

Delete this registry value

[ Learn More ]

Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.

In HKEY_CURRENT_USER\Software\Microsoft\
- {random}
In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- {365CD2CA-D0E2-2B36-0EEB-EF30ED0DB36A}=%Application Data%\{random1}\{random}.exe

Step 4

Search and delete this folder

[ Learn More ]

Please make sure you check the Search Hidden Files and Folders checkbox in the More advanced options option to include all hidden folders in the search result.

%Application Data%\{random1}

%Application Data%\{random2}

Step 5

Scan your computer with your Trend Micro product to delete files detected as TSPY_ZBOT.ZYA. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.

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TSPY_ZBOT.ZYA

OVERVIEW

TECHNICAL DETAILS

SOLUTION

Related URLs

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TSPY_ZBOT.ZYA

OVERVIEW

TECHNICAL DETAILS

SOLUTION

Related URLs

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