TSPY_FAREIT.YYTDL

January 02, 2017
 Analysis by: RonJay Kristoffer Caragay
 ALIASES:

PWS:Win32/Fareit (Microsoft); Trojan.Contwoo (Symantec); Troj/Fareit-AMQ (Sophos); Trojan-PSW.Win32.Fareit.bshk (Kaspersky);

 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 spyware may be dropped by other malware.

As of this writing, the said sites are inaccessible.

However, as of this writing, the said sites are inaccessible. It deletes itself after execution.

  TECHNICAL DETAILS

File Size:

117,248 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

25 Apr 2016

Payload:

Connects to URLs/IPs

Arrival Details

This spyware may be dropped by the following malware:

  • TROJ_FAREIT.YYTDL

Installation

This spyware drops and executes the following files:

  • %User Temp%\{random numbers}.bat ← used to delete itself - deleted afterwards

(Note: %User Temp% is the user's temporary folder, where it usually is C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Local\Temp 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.)

Other System Modifications

This spyware adds the following registry entries:

HKEY_CURRENT_USER\Software\WinRAR
HWID = "{GUID}"

HKEY_CURRENT_USER\Software\WinRAR
Client Hash = "{hex value}"

Download Routine

This spyware connects to the following website(s) to download and execute a malicious file:

  • http://{BLOCKED}oppee.com/system/logs/xtool.exe
  • http://insta.{BLOCKED}t.ru/system/logs/xtool.exe
  • http://editprod.{BLOCKED}lter.in.ua/system/logs/xtool.exe

It saves the files it downloads using the following names:

  • %User Temp%\{random numbers}.exe

(Note: %User Temp% is the user's temporary folder, where it usually is C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Local\Temp 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.)

As of this writing, the said sites are inaccessible.

Information Theft

This spyware attempts to steal stored account information used in the following installed File Transfer Protocol (FTP) clients or file manager software:

  • Far
  • Far2
  • Far Manager
  • FileZilla
  • FlashFXP
  • FlashFXP 3
  • FlashFXP 4
  • FTPWare COREFTP
  • Ghisler Total Commander
  • Ghisler Windows Commander
  • GlobalSCAPE CuteFTP
  • GlobalSCAPE CuteFTP Pro
  • GlobalSCAPE CuteFTP Lite
  • GlobalSCAPE CuteFTP 6 Home
  • GlobalSCAPE CuteFTP 6 Professional
  • GlobalSCAPE CuteFTP 7 Home
  • GlobalSCAPE CuteFTP 7 Professional
  • GlobalSCAPE CuteFTP 8 Home
  • GlobalSCAPE CuteFTP 8 Professional
  • GlobalSCAPE CuteFTP 9
  • Martin Prikryl
  • VanDyke SecureFX
  • WinFTP

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

  • Username
  • Password
  • User ID
  • Host Address
  • Directory List
  • Port Number
  • Terminal Type
  • Server Name
  • Server Type

It attempts to steal stored email credentials from the following:

  • Windows Live Mail
  • Windows Mail
  • IncrediMail
  • Microsoft Outlook
  • Mozilla ThunderBird

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

  • Microsoft Edge
  • Opera
  • Internet Explorer
  • ChromePlus
  • Chromium
  • Google Chrome
  • Mozilla Firefox

It uses the following list of user names and passwords to access password-protected locations where the mentioned information is stored:

  • samantha
  • michelle
  • david
  • eminem
  • scooter
  • asdfasdf
  • sammy
  • baby
  • diamond
  • maxwell
  • 55555
  • justin
  • james
  • chicken
  • danielle
  • iloveyou2
  • fuckoff
  • prince
  • junior
  • rainbow
  • 112233
  • fuckyou1
  • 1
  • nintendo
  • peanut
  • none
  • church
  • bubbles
  • robert
  • 222222
  • destiny
  • loving
  • gfhjkm
  • mylove
  • jasper
  • hallo
  • 123321
  • cocacola
  • helpme
  • nicole
  • guitar
  • billgates
  • looking
  • scooby
  • joseph
  • genesis
  • forum
  • emmanuel
  • cassie
  • victory
  • passw0rd
  • foobar
  • ilovegod
  • nathan
  • blabla
  • digital
  • peaches
  • football1
  • 11111111
  • power
  • thunder
  • gateway
  • iloveyou!
  • football
  • tigger
  • corvette
  • angel
  • killer
  • creative
  • 123456789
  • google
  • zxcvbnm
  • startrek
  • ashley
  • cheese
  • a
  • sunshine
  • christ
  • 000000
  • soccer
  • qwerty1
  • friend
  • summer
  • 1234567
  • merlin
  • phpbb
  • 12345678
  • jordan
  • saved
  • dexter
  • viper
  • winner
  • sparky
  • windows
  • 123abc
  • lucky
  • anthony
  • jesus
  • ghbdtn
  • admin
  • hotdog
  • baseball
  • password1
  • dragon
  • trustno1
  • jason
  • internet
  • mustdie
  • john
  • letmein
  • 123
  • mike
  • knight
  • jordan23
  • abc123
  • red123
  • praise
  • freedom
  • jesus1
  • 12345
  • london
  • computer
  • microsoft
  • muffin
  • qwert
  • mother
  • master
  • 111111
  • qazwsx
  • samuel
  • canada
  • slayer
  • rachel
  • onelove
  • qwerty
  • prayer
  • iloveyou1
  • whatever
  • god
  • password
  • blessing
  • snoopy
  • 1q2w3e4r
  • cookie
  • 11111
  • chelsea
  • pokemon
  • hahaha
  • aaaaaa
  • hardcore
  • shadow
  • welcome
  • mustang
  • 654321
  • bailey
  • blahblah
  • matrix
  • jessica
  • stella
  • benjamin
  • testing
  • secret
  • trinity
  • richard
  • peace
  • shalom
  • monkey
  • iloveyou
  • thomas
  • blink182
  • jasmine
  • purple
  • test
  • angels
  • grace
  • hello
  • poop
  • blessed
  • 1234567890
  • heaven
  • hunter
  • pepper
  • john316
  • cool
  • buster
  • andrew
  • faith
  • ginger
  • 7777777
  • hockey
  • hello1
  • angel1
  • superman
  • enter
  • daniel
  • 123123
  • forever
  • nothing
  • dakota
  • kitten
  • asdf
  • 1111
  • banana
  • gates
  • flower
  • taylor
  • lovely
  • hannah
  • princess
  • compaq
  • jennifer
  • myspace1
  • smokey
  • matthew
  • harley
  • rotimi
  • fuckyou
  • soccer1
  • 123456
  • single
  • joshua
  • green
  • 123qwe
  • starwars
  • love
  • silver
  • austin
  • michael
  • amanda
  • 1234
  • charlie
  • bandit
  • chris
  • happy
  • hope
  • maggie
  • maverick
  • online
  • spirit
  • george
  • friends
  • dallas
  • adidas
  • 1q2w3e
  • 7777
  • orange
  • testtest
  • asshole
  • apple
  • biteme
  • 666666
  • william
  • mickey
  • asdfgh
  • wisdom
  • batman
  • pass

Stolen Information

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

  • http://{BLOCKED}obbe.com/zapoy/gate.php
  • http://{BLOCKED}hnwilhap.ru/zapoy/gate.php
  • http://{BLOCKED}rrol.ru/zapoy/gate.php

Other Details

However, as of this writing, the said sites are inaccessible.

It deletes itself after execution.

NOTES:

This spyware attempts to steal account information used in Remote Desktop connection.

  SOLUTION

Minimum Scan Engine:

9.800

FIRST VSAPI PATTERN FILE:

13.126.03

FIRST VSAPI PATTERN DATE:

30 Dec 2016

VSAPI OPR PATTERN File:

13.127.00

VSAPI OPR PATTERN Date:

31 Dec 2016

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

Remove the malware/grayware file that dropped/downloaded TSPY_FAREIT.YYTDL. (Note: Please skip this step if the threat(s) listed below have already been removed.)

    • TROJ_FAREIT.YYTDL

Step 4

Identify and terminate files detected as TSPY_FAREIT.YYTDL

[ 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 5

Delete this registry value

[ Learn More ]

Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.

  • In HKEY_CURRENT_USER\Software\WinRAR
    • HWID = "{GUID}"
  • In HKEY_CURRENT_USER\Software\WinRAR
    • Client Hash = "{hex value}"

Step 6

Search and delete these files

[ 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.  
  • %User Temp%\{random numbers}.exe
  • %User Temp%\{random numbers}.bat

Step 7

Scan your computer with your Trend Micro product to delete files detected as TSPY_FAREIT.YYTDL. 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.