TSPY_ZBOT.TRW

This spyware arrives as an attachment to email messages spammed by other malware/grayware or malicious users.

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 attempts to steal information, such as user names and passwords, used when logging into certain banking or finance-related websites.

Arrival Details

This spyware arrives as an attachment to email messages spammed by other malware/grayware or malicious users.

Infection Points

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

• http://{BLOCKED}og.ru/official6.exe

Installation

This spyware drops the following files:

• %Application Data%\{random1}\{random}.exe - copy of itself
• %Application Data%\{random2}\{random}.{random} - contains encrypted stolen data

(Note: %Application Data% is the current user's Application Data folder, which is usually C:\Windows\Profiles\{user name}\Application Data on Windows 98 and ME, C:\WINNT\Profiles\{user name}\Application Data on Windows NT, and C:\Documents and Settings\{user name}\Local Settings\Application Data on Windows 2000, XP, and Server 2003.)

It creates the following folders:

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

(Note: %Application Data% is the current user's Application Data folder, which is usually C:\Windows\Profiles\{user name}\Application Data on Windows 98 and ME, C:\WINNT\Profiles\{user name}\Application Data on Windows NT, and C:\Documents and Settings\{user name}\Local Settings\Application Data on Windows 2000, XP, and Server 2003.)

It injects itself into the following processes as part of its memory residency routine:

• All processes

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
{GUID of mount point of %Windows%} = %Application Data%\{random1}\{malware filename}.exe

Other System Modifications

This spyware adds the following registry keys:

HKEY_CURRENT_USER\Software\Microsoft\
{random}

It creates the following registry entry(ies) to bypass Windows Firewall:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Services\SharedAccess\Parameters\
FirewallPolicy\StandardProfile\AuthorizedApplications\
List
%Windows%\explorer.exe = %Windows%\explorer.exe:*:Enabled:Windows Explorer

Information Theft

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.

It accesses the following site to download its configuration file:

• http://{BLOCKED}eet.ru/offline8.bin
• http://{BLOCKED}m.ru/hutaroma.bin
• http://{BLOCKED}oney.ru/tuvikola.bin
• http://{BLOCKED}rush.ru/butsumin.bin
• http://www.{BLOCKED}pt2.ru/qolored.bin
• http://www.{BLOCKED}tomexixo.ru/vimedcer.bin

It targets the following websites:

• https://*/todo/ping.php*
• @*//www.svbconnect.com/security/challengeVerify.do
• @*//ultrabranch.alaskausa.org/efs/servlet/efs/*password*
• @*//ktt.key.com/ktt/cmd/validatePinForm
• @*//ktt.key.com/ktt/cmd/logonFromKeyCom
• @*ingdirect.com*
• https://*secure.hsbcnet.com/*AUTH*
• https://ibanka.seb.lv/ipc/login_ub*
• https://i*.baltikums.*/stream.Baltikums*
• https://www.commercial.hsbc.com.hk/1/2/!ut/p/kcxml/*
• https://www.almubasher.com.sa/NewECorporate/p/login*
• https://www*sampopank*/ibank/login*
• https://i.rietumu.lv/*/login*
• https://www.rbworld.lv/*
• https://s2b.standardchartered.com/css/en/content.css
• https://www.rbworld.lv/bankworld/*/LoginBrowser/login*
• https://www.ab.lv/*
• https://ebank.laiki.com/CommonUI/eBankBusinessUI/eBankingTransactions*
• https://ebank.laiki.com/commonui/ebankcommonui/logonto.aspx
• https://*bankofcyprus.com/*

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

• Silicon Valley Bank
• Alaska USA Federal Credit Union
• KeyBank
• ING Direct
• HSBC
• Ibanka
• Baltikums Banka
• Al Mubasher
• Sampo Pank
• Rietumu Banka
• Rietumu BankWorld
• Standard Chartered Bank
• ABLV Bank
• Marfin Laiki Bank
• Bank of Cyprus

Stolen Information

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

• http://{BLOCKED}ack.ru/ping32.php