TR/Spy.Agent.gct - Trojan

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Summary

Full description

Statistics

Virus:	TR/Spy.Agent.gct
Date discovered:	17/06/2008
Type:	Trojan
In the wild:	No
Reported Infections:	Low
Distribution Potential:	Low
Damage Potential:	Medium
Static file:	No
File size:	~4.143.000 Bytes
IVDF version:	7.00.04.210 - Tue, 17 Jun 2008 17:15 (GMT+1)

General Method of propagation:
   • No own spreading routine

Aliases:
   • Symantec: Infostealer
   • Kaspersky: Trojan-Spy.Win32.Banker.oyi
   • TrendMicro: TROJ_BANKER.NWL
   • F-Secure: Trojan-Spy.Win32.Banker.oyi
   • Panda: Trj/Banker.FWD
   • Grisoft: PSW.Banker4.AHOP
   • Eset: probably a variant of Win32/Spy.Banker trojan

Platforms / OS:
   • Windows 95
   • Windows 98
   • Windows 98 SE
   • Windows NT
   • Windows ME
   • Windows 2000
   • Windows XP
   • Windows 2003

Side effects:
   • Registry modification
   • Steals information

Files It copies itself to the following location:
• %SYSDIR%\Internet_Explorer.exe

The following file is created:

– C:\001.tmp This file contains collected information about the system.

Registry The following registry key is added in order to run the process after reboot:

– [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
• Internet_Explorer.exe="%SYSDIR%\Internet_Explorer.exe"

The following registry key is added:

– [HKCU\Software\Microsoft\FkuCMxHi]
• htIRtBqg=%hex values%

Backdoor Contact server:
All of the following:
   • http://www.nutricionchaves.com.ar/**********search/~/_.php
   • http://www.radiomarcatenerife.com/**********/Messages/lang/eng/region.php

As a result it may send some information. This is done via the HTTP POST method using a PHP script.

Sends information about:
    • Computer name
    • IP address
    • MAC address
    • Collected information described in stealing section
    • System time
    • visited URLs

Stealing – A logging routine is started after one of the following websites are visited:
   • http://www.bb.com.br
   • http://www.unibanco.com
   • http://www.itau.com.br
   • http://www.bradesco.com.br
   • http://www.santander.com.br

– It captures:
    • Login information

File details Programming language:
The malware program was written in Delphi.

Runtime packer:
In order to aggravate detection and reduce size of the file it is packed with a runtime packer.

See a brief description here.

Description inserted by Thomas Wegele on Wed, 06 Aug 2008 09:43 (GMT+1)
Description updated by Thomas Wegele on Wed, 06 Aug 2008 12:11 (GMT+1)

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