arrow_back
search
close

TSPY_EMOTET.S

April 20, 2015
 Analysis by: Pearl Charlaine Espejo
 ALIASES:

PWS:Win32/Emotet.E (Microsoft); Trojan-Banker.Win32.Emotet.eh (Kaspersky); Trojan.Win32.Emotet (Ikarus); Win32:Emotet-Y [Trj] (Avast)

 PLATFORM:

Windows

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

  • Threat Type: Spyware

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  TECHNICAL DETAILS

File Size:

336,384 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

01 Apr 2015

Payload:

Steals information

Installation

This spyware drops the following files:

  • %Application Data%\0394893.txt - where the gathered information will be saved

(Note: %Application Data% is the Application Data folder, where it usually is C:\Documents and Settings\{user name}\Application Data on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Roaming on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.)

It drops and executes the following files:

  • %Application Data%\_mem309038.bat - this will delete the executed file
  • %Application Data%\mailpv.exe - detected as HKTL_PASSVIEW

(Note: %Application Data% is the Application Data folder, where it usually is C:\Documents and Settings\{user name}\Application Data on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Roaming on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.)

Information Theft

This spyware gathers the following data:

  • Account Name
  • Application Name
  • Emaill Address
  • Server
  • Server Port
  • Server Type (POP3/IMAP/SMTP)
  • User Name
  • Password
  • Profile (for Outlook Express and MS-Outlook 2002/2003)
  • Password Strength
  • SMTP Server
  • SMTP Server Port
  • Secured (if connection is secured or not [Yes/ No])

It attempts to steal stored email credentials from the following:

  • Outlook Express
  • IncrediMail
  • Eudora
  • GroupMail Free
  • MS Outlook 2002/ 2003/ 2007/ 2010
  • Gmail
  • Hotmail/MSN
  • Yahoo! Mail
  • Netscape Mail
  • Thunderbird
  • Google Desktop
  • Windows Mail
  • Windows Live Mail
  • Outlook 2013

Stolen Information

This spyware sends the gathered information via HTTP POST to the following URL:

  • http://{BLOCKED}.{BLOCKED}.197.82:8080/ISJDn38/in/smtp.php

  SOLUTION

Minimum Scan Engine:

9.750

VSAPI OPR PATTERN File:

11.602.03

VSAPI OPR PATTERN Date:

13 Apr 2015

OPP PATTERN File:

11.603.00

OPP PATTERN Date:

14 Apr 2015

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

Terminate this process

[ Learn More ]

  1. For Windows 98 and ME users, the 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.
  • mailpv.exe

Step 4

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%\0394893.txt
  • %Application Data%\_mem309038.bat
  • %Application Data%\mailpv.exe

Step 5

Scan your computer with your Trend Micro product to delete files detected as TSPY_EMOTET.S. 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.