TSPY_SPYEYE.CF

 Analysis by: Kathleen Notario

 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

 OVERALL RISK RATING:
 REPORTED INFECTION:
 SYSTEM IMPACT RATING:
 INFORMATION EXPOSURE:

  • Threat Type: Spyware

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

This spyware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

It also has rootkit capabilities, which enables it to hide its processes and files from the user.

It modifies the Internet Explorer Zone Settings.

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 retrieves specific information from the affected system.

It connects to certain websites to send and receive information. It deletes the initially executed copy of itself.

  TECHNICAL DETAILS

File Size:

822,272 bytes

File Type:

EXE

Memory Resident:

Yes

Initial Samples Received Date:

15 Jun 2011

Payload:

Connects to URLs/IPs, Modifies Internet Explorer Zone Settings, Hides files and processes

Arrival Details

This spyware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Installation

This spyware drops the following copies of itself into the affected system:

  • %System Root%\RECYCLER\{random file name}.exe

(Note: %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.)

It drops the following non-malicious file:

  • %System Root%\RECYCLER\{random file name}

(Note: %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.)

Other System Modifications

This spyware adds the following registry entries:

HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\PhishingFilter
EnabledV8 = "0"

HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\PhishingFilter
ShownServiceDownBalloon = "0"

HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\Recovery
ClearBrowsingHistoryOnExit = "0"

Rootkit Capabilities

This spyware also has rootkit capabilities, which enables it to hide its processes and files from the user.

Web Browser Home Page and Search Page Modification

This spyware modifies the Internet Explorer Zone Settings.

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 retrieves the following information from the affected system:

  • Operating System Information
  • Status (online/offline)
  • Internet Explorer version
  • Account Type
  • Volume information
  • Language ID
  • Tick Time
  • Timezone
  • Local Time
  • Bot Version
  • Bot GUID
  • Bot Hash
  • Plug-in
  • Function Data
  • Process Name
  • Hooked Function
  • Process Name

Other Details

This spyware connects to the following website to send and receive information:

  • http://{BLOCKED}2.{BLOCKED}0.164.206/email/gate.php

It does the following:

  • Update configuration file
  • Update itself
  • Modify Internet Setting Zones
  • Modify Mozilla Firefox preference file
  • Log keystrokes
  • Fill form data
  • Steal FTP and POP3 user names and passwords
  • Capture entered information in web forms

It deletes the initially executed copy of itself

NOTES:
It sends the retrieved information to a remote malicious user.

It may perform webinjects and steal user information such as usernames and passwords when the user visits any of the following banks and/or financial institutions:

  • *.entropay.com/basemenu/prot/*
  • *bankofamerica.com/*
  • *bankofamerica.com/cgi-bin/*GotoWelcome
  • *cibconline.cibc.com/olbtxn/accounts/*
  • *online.wellsfargo.com/das/cgi-bin/session.cgi*
  • *onlinebanking.tdbank.com/accts/getAccts.asp
  • *paypal*
  • *paypal.com*
  • *royalbank.com/cgi-bin/rbaccess/rbcgi*
  • *royalbank.com/wps/myportal/OLB/!ut/*
  • *royalbank.com/wps/myportal/OLB/!ut/*/*/*
  • *suntrust.com/portal/server.pt?mode=*
  • *www1.royalbank.com/cgi-bin/rbaccess/rbcgi3m01*
  • h*paypal.com/us/cgi-bin/webscr?cmd=_login-done&login_access=*
  • http*://*chase.com/*
  • http*://*royalbank.com/wps/myportal/OLB/!ut/*/*/*
  • http*://*suntrust.com/*
  • http*://*wellsfargo.com/*
  • http*bmo.com*
  • http*capitalone.com*
  • http*cibconline.cibc.com*
  • http*easywebsoc.td.com*
  • http*pnc.com*
  • https://*.bankofamerica.com/*/commonscript.js
  • https://*.wachovia.com/myAccounts.aspx*
  • https://*citibank.com/*BS_Id=MemberHomepage*
  • https://*usbank.com/internetBanking/RequestRouter
  • https://chaseonline.chase.com/MyAccounts.aspx
  • https://easyweb*.tdcanadatr st.com/servlet/*FinancialSummaryServlet*
  • https://onlineeast#.bankofamerica.com/*/GotoCustomerServiceMenu*
  • https://onlineeast#.bankofamerica.com/*/GotoWelcome
  • https://onlineeast#.bankofamerica.com/*/SplashPageControl*
  • https://sitekey.bankofamerica.com/sas/maint.do
  • https://sitekey.bankofamerica.com/sas/resetPasscode*
  • https://sitekey.bankofamerica.com/sas/resetPasscode*Action.do
  • https://sitekey.bankofamerica.com/sas/resetPasscodeScreen
  • https://www.moneybookers.com/app/login.pl*

  SOLUTION

Minimum Scan Engine:

8.900

FIRST VSAPI PATTERN FILE:

currently processing (rename)

Step 1

For Windows ME and XP users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.

Step 2

Restart in Safe Mode

[ Learn More ]

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\Internet Explorer\PhishingFilter
    • EnabledV8 = 0
  • In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\PhishingFilter
    • ShownServiceDownBalloon = 0
  • In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Recovery
    • ClearBrowsingHistoryOnExit = 0

Step 4

Search and delete this file

[ Learn More ]
There may be some component files that are hidden. Please make sure you check the Search Hidden Files and Folders checkbox in the More advanced options option to include all hidden files and folders in the search result.
  • %System Root%\RECYCLER\{random file name}

Step 5

Reset Internet security settings

[ Learn More ]

Step 6

Restart in normal mode and scan your computer with your Trend Micro product for files detected as TSPY_SPYEYE.CF 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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