Analysis by: Vincent Martin Hermosura
 PLATFORM:

Windows

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

  • Threat Type: Spyware

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

Infection Channel: Dropped by other malware

This malware is known as the Dyre banking Trojan, also known as “Dyreza."

This spyware may be dropped by other malware.

It may be injected into processes running in memory.

It connects to certain websites to send and receive information.

  TECHNICAL DETAILS

File Size: Varies
File Type: EXE
Memory Resident: Yes
Initial Samples Received Date: 02 Oct 2014
Payload: Steals information

Arrival Details

This spyware may be dropped by other malware.

Installation

This spyware drops the following file(s)/component(s):

  • %Application Data%\2ete64.vas - configuration file

(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.)

It adds the following mutexes to ensure that only one of its copies runs at any one time:

  • Global\cdv5b74f5y7

It may be injected into processes running in memory.

It injects codes into the following process(es):

  • chrome.exe
  • firefox.exe
  • iexplore.exe

Other Details

This spyware connects to the following URL(s) to get the affected system's IP address:

  • http://BLOCKED}hazip.com

It connects to the following website to send and receive information:

  • {BLOCKED}.{BLOCKED}.172.196
  • {BLOCKED}.{BLOCKED}.46.50
  • {BLOCKED}.{BLOCKED}.222.11
  • {BLOCKED}.{BLOCKED}.83.32

  SOLUTION

Minimum Scan Engine: 9.700

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

Note that not all files, folders, and registry keys and entries are installed on your computer during this malware's/spyware's/grayware's execution. This may be due to incomplete installation or other operating system conditions. If you do not find the same files/folders/registry information, please proceed to the next step.

Step 3

Search and delete this file

[ Learn More ]
There may be some 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.
  • %Application Data%\2ete64.vas

Step 4

Scan your computer with your Trend Micro product to delete files detected as TSPY_BANKER.COR. 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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