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TROJ_BANLOAD.CTR

March 29, 2014
 ALIASES:

Trojan horse Generic35.CFRS (AVG) ,W32/Agent.RNP!tr (Fortinet) ,Trojan-Banker.Win32.Agent (Ikarus) ,Trojan-Banker.Win32.Agent.rnp (Kaspersky) ,a variant of Win32/Packed.Themida application (Eset) ,Trojan.Win32.Generic!BT (Sunbelt)

 PLATFORM:

Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:
 INFORMATION EXPOSURE:

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users. It may be dropped by other malware.

  TECHNICAL DETAILS

File Size:

5,895,680 bytes

File Type:

EXE

Memory Resident:

Yes

Initial Samples Received Date:

29 Mar 2014

Arrival Details

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

It may be dropped by other malware.

Installation

This Trojan drops the following files:

  • %Application Data%\center4.txt
  • %Application Data%\lyrd.txt

(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.)

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
qvldbc = "{Malware Path}\{Malware Filename}.exe"

Other Details

This Trojan attempts to access the following websites to download files, which are possibly malicious:

  • http://{BLOCKED}.{BLOCKED}.195.90/int/dx10.inf