TSPY_ANEDL.A

January 09, 2014
 Analysis by: Mark Joseph Manahan
 ALIASES:

Trojan horse Dropper.Generic6.TXT (AVG) ,W32/Downloader_a.BX3!tr (Fortinet) ,Trojan.Win32.Spy (Ikarus) ,Backdoor.Win32.DarkHole.le (Kaspersky) ,TrojanDownloader:Win32/Anedl.A (Microsoft) ,Downloader.a!bx3 (McAfee) ,Win32/Votwup.W trojan (Eset) ,Trojan Horse (Symantec) ,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: Spyware

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Downloaded from the Internet, Dropped by other malware

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 connects to certain websites to send and receive information.

  TECHNICAL DETAILS

File Size:

233,472 bytes

File Type:

EXE

Memory Resident:

Yes

Initial Samples Received Date:

08 Jan 2014

Payload:

Connects to URLs/IPs, Steals information

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:

  • %Application Data%\{filename}.exe
        {whereas filename may be one of the following:
    • lsass.exe
    • dwm.exe
    • svhost.exe
    • trw32.exe
    • nxp.exe
    • system.exe
    • lsm32.exe
    • csrss.exe
    • arx32.exe
    • aqs.exe

(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.)

Information Theft

This spyware gathers the following account information from any of the mentioned File Transfer Protocol (FTP) clients or file manager software:

  • Fxp
  • Total Commander
  • Filezilla
  • Wsftp
  • Cute Ftp

It attempts to get stored information such as user names, passwords, and hostnames from the following browsers:

  • Mozilla Firefox
  • Opera
  • Google Chrome
  • Safari

Other Details

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

  • {BLOCKED}romhellfromme12345.net/dial.php
  • {BLOCKED}romhellfromme12345.net/gate.php
  • {BLOCKED}romhellfromme12345.net/upload.php

NOTES:

This spyware steals information from the following Mail/Messenger Application:

  • Qip2005
  • Qip2010
  • QipInfium
  • The Bat

It steals user names and passwords for Remote Desktop Connection.

  SOLUTION

Minimum Scan Engine:

9.700

FIRST VSAPI PATTERN FILE:

10.528.08

FIRST VSAPI PATTERN DATE:

08 Jan 2014

Step 1

Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.

Step 2

Identify and terminate files detected as TSPY_ANEDL.A

[ Learn More ]
  1. Windows Task Manager may not display all running processes. In this case, please use a third-party process viewer, preferably Process Explorer, to terminate the malware/grayware/spyware file. You may download the said tool here.
  2. If the detected file is displayed in either Windows Task Manager or Process Explorer but you cannot delete it, restart your computer in safe mode. To do this, refer to this link for the complete steps.
  3. If the detected file is not displayed in either Windows Task Manager or Process Explorer, continue doing the next steps.

Step 3

Scan your computer with your Trend Micro product to delete files detected as TSPY_ANEDL.A. 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.


Did this description help? Tell us how we did.