TSPY_BANKER.LUP
Windows 2000, XP, Server 2003

Threat Type: Trojan
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
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.
TECHNICAL DETAILS
Arrival Details
This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Autostart Technique
This Trojan adds the following registry entries to enable its automatic execution at every system startup:
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
Winnet2 = {malware path and filename}
Other System Modifications
This Trojan adds the following registry entries:
HKEY_LOCAL_MACHINE\SOFTWARE\Description\
Microsoft\Rpc\Uuid\
TemporaryData
NetworkAddress = {hexadecimal value}
HKEY_LOCAL_MACHINE\SOFTWARE\Description\
Microsoft\Rpc\Uuid\
TemporaryData
NetworkAddressLocal = 0
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
MSSQLServer\Client\SuperSocketNetLib\
LastConnect
sqlserver01.espacopublicidade.tecnologia.ws = -687210486:tcp:sqlserver01.espacopublicidade.tecnologia.ws,1433
Information Theft
This Trojan monitors the Internet Explorer (IE) activities of the affected system, specifically the address bar or title 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 or title bar:
- Acesso ao Net Banking Nossa Caixa
- Bradesco
- Nossa Chave de Seguranca
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 from the following banks and/or other financial institutions:
- Bradesco
- Nossa Caixa
Stolen Information
This Trojan sends the gathered information via HTTP POST to the following URL:
- http://www.{BLOCKED}k.sitebr.net/{BLOCKED}os/tabela.php
It sends the data it gathers to the following email addresses via SMTP:
- {BLOCKED}ahora2@gmail.com
Variant Information
This Trojan has the following MD5 hashes:
- 332f937b530d5d332fc4bdaa18ded55e
It has the following SHA1 hashes:
- 0e73475ec3a87b7495e07f85e5715e38e730e18b
SOLUTION
Step 1
For Windows XP and Windows Server 2003 users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.
Step 2
Delete this registry value
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\Windows\CurrentVersion\Run
- Winnet2={malware path and filename}
- Winnet2={malware path and filename}
- In HKEY_LOCAL_MACHINE\SOFTWARE\Description\Microsoft\Rpc\Uuid\TemporaryData
- NetworkAddress={hexadecimal value}
- NetworkAddress={hexadecimal value}
- In HKEY_LOCAL_MACHINE\SOFTWARE\Description\Microsoft\Rpc\Uuid\TemporaryData
- NetworkAddressLocal=0
- NetworkAddressLocal=0
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MSSQLServer\Client\SuperSocketNetLib\LastConnect
- sqlserver01.espacopublicidade.tecnologia.ws=-687210486:tcp:sqlserver01.espacopublicidade.tecnologia.ws,1433
- sqlserver01.espacopublicidade.tecnologia.ws=-687210486:tcp:sqlserver01.espacopublicidade.tecnologia.ws,1433
Step 3
Scan your computer with your Trend Micro product to delete files detected as TSPY_BANKER.LUP. 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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