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WORM_FAREIT.YT

January 30, 2017
 Analysis by: Pearl Charlaine Espejo
 Modified by: Michael Jay Villanueva
 ALIASES:

PWS:Win32/Fareit.AE (Microsoft); Trojan-PSW.Win32.Fareit.gzj (Kaspersky)

 PLATFORM:

Windows

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

  • Threat Type: Worm

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Downloaded from the Internet, Dropped by other malware, Infects files, Via physical/removable drives


This worm arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

It propagates via shared networks and drops copies of itself into available networks.

As of this writing, the said sites are inaccessible.

It deletes itself after execution.

  TECHNICAL DETAILS

File Size:

708,608 bytes

File Type:

EXE

Memory Resident:

Yes

Initial Samples Received Date:

17 Jan 2017

Payload:

Connects to URLs/IPs, Steals information

Arrival Details

This worm 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 worm drops the following files:

  • {malware path}\aspr_keys.ini - deleted afterwards

It drops and executes the following files:

  • %User Temp%\{random numbers}.bat - this will delete the initially executed copy

(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.)

It drops the following copies of itself into the affected system:

  • %Application Data%\Sound.exe

(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.)

Autostart Technique

This worm adds the following registry entries to enable its automatic execution at every system startup:

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
{malware filename}.exe = "%Application Data%\Sound.exe"

Other System Modifications

This worm adds the following registry entries:

HKEY_CURRENT_USER\Software\WinRAR
HWID = "{hex values}"

Propagation

This worm propagates via shared networks and drops copies of itself into available networks.

It drops the following copies of itself in all physical and removable drives:

  • {drive letter}:\{malware filename}.exe

Download Routine

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

  • http://{BLOCKED}o.ibaba.biz/shit.exe

As of this writing, the said sites are inaccessible.

Information Theft

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

  • 32BitFtp
  • 3D-FTP
  • AceBIT
  • Adobe
  • BitKinex
  • Bullet Proof FTP
  • CoffeeCup Software
  • Core FTP
  • Cryer WebSitePublisher
  • Cyberduck
  • DeluxeFTP
  • EasyFTP
  • Estsoft ALFTP
  • ExpanDrive
  • FTP Commander
  • FTP Control
  • FTP Explorer
  • FTP Navigator
  • FTP Now
  • FTPGetter
  • FTPRush
  • FTPShell
  • Far Manager
  • FastTrackFTP
  • FileZilla
  • FireFTP
  • FlashFXP 3
  • FlashFXP 4
  • FlashPeak BlazeFtp
  • FreshFTP
  • Frigate3
  • GPSoftware Directory Opus
  • Ghisler Total Commander
  • Global Downloader
  • 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
  • GlobalSCAPE CuteFTP Lite
  • GlobalSCAPE CuteFTP Pro
  • GoFTP
  • INSoftware NovaFTP
  • Ipswitch WS_FTP
  • LeapWare LeapFTP
  • LeechFTP
  • LinasFTP
  • MAS-Soft FTPInfo
  • MS IE FTP
  • Martin Prikryl
  • My FTP
  • NCH Software ClassicFTP
  • NCH Software Fling
  • NetDrive
  • NetSarang
  • NexusFile
  • Nico Mak Computing WinZip
  • Notepad++ NppFTP
  • Opera
  • RhinoSoft FTPVoyager
  • Robo-FTP 3.7
  • SimonTatham PuTTY
  • SmartFTP
  • SoftX FTP Client
  • Sota FFFTP
  • South River Technologies WebDrive
  • Staff-FTP
  • TurboFTP
  • UltraFXP
  • VanDyke SecureFX
  • Visicom Media
  • 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:

  • IncrediMail
  • Microsoft Outlook
  • Microsoft Windows Live Mail
  • Microsoft Windows Mail
  • Poco Systems Pocomail
  • RimArts Becky! Internet Mail
  • RIT The Bat!
  • Thunderbird

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

  • Internet Explorer
  • Bromium
  • Chromium
  • Comodo
  • Epic
  • FastStone Browser
  • Flock
  • Google Chrome
  • K-Meleon
  • MapleStudio ChromePlus
  • Mozilla Firefox
  • Mozilla SeaMonkey
  • Nichrome
  • Opera
  • RockMelt
  • Yandex

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

  • 123456
  • password
  • phpbb
  • qwerty
  • 12345
  • jesus
  • 12345678
  • 1234
  • abc123
  • letmein
  • test
  • love
  • 123
  • password1
  • hello
  • monkey
  • dragon
  • trustno1
  • 111111
  • iloveyou
  • 1234567
  • shadow
  • 123456789
  • christ
  • sunshine
  • master
  • computer
  • princess
  • tigger
  • football
  • angel
  • jesus1
  • 123123
  • whatever
  • freedom
  • killer
  • asdf
  • soccer
  • superman
  • michael
  • cheese
  • internet
  • joshua
  • fuckyou
  • blessed
  • baseball
  • starwars
  • 000000
  • purple
  • jordan
  • faith
  • summer
  • ashley
  • buster
  • heaven
  • pepper
  • 7777777
  • hunter
  • lovely
  • andrew
  • thomas
  • angels
  • charlie
  • daniel
  • 1111
  • jennifer
  • single
  • hannah
  • qazwsx
  • happy
  • matrix
  • pass
  • aaaaaa
  • 654321
  • amanda
  • nothing
  • ginger
  • mother
  • snoopy
  • jessica
  • welcome
  • pokemon
  • iloveyou1
  • 11111
  • mustang
  • helpme
  • justin
  • jasmine
  • orange
  • testing
  • apple
  • michelle
  • peace
  • secret
  • 1
  • grace
  • william
  • iloveyou2
  • nicole
  • 666666
  • muffin
  • gateway
  • fuckyou1
  • asshole
  • hahaha
  • poop
  • blessing
  • blahblah
  • myspace1
  • matthew
  • canada
  • silver
  • robert
  • forever
  • asdfgh
  • rachel
  • rainbow
  • guitar
  • peanut
  • batman
  • cookie
  • bailey
  • soccer1
  • mickey
  • biteme
  • hello1
  • eminem
  • dakota
  • samantha
  • compaq
  • diamond
  • taylor
  • forum
  • john316
  • richard
  • blink182
  • peaches
  • cool
  • flower
  • scooter
  • banana
  • james
  • asdfasdf
  • victory
  • london
  • 123qwe
  • 123321
  • startrek
  • george
  • winner
  • maggie
  • trinity
  • online
  • 123abc
  • chicken
  • junior
  • chris
  • passw0rd
  • austin
  • sparky
  • admin
  • merlin
  • google
  • friends
  • hope
  • shalom
  • nintendo
  • looking
  • harley
  • smokey
  • 7777
  • joseph
  • lucky
  • digital
  • a
  • thunder
  • spirit
  • bandit
  • enter
  • anthony
  • corvette
  • hockey
  • power
  • benjamin
  • iloveyou!
  • 1q2w3e
  • viper
  • genesis
  • knight
  • qwerty1
  • creative
  • foobar
  • adidas
  • rotimi
  • slayer
  • wisdom

Stolen Information

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

  • http://{BLOCKED}o.ibaba.biz/gate.php
  • As of this writing, the said site is inaccessible.

Other Details

This worm deletes itself after execution.

  SOLUTION

Minimum Scan Engine:

9.800

FIRST VSAPI PATTERN FILE:

13.164.02

FIRST VSAPI PATTERN DATE:

18 Jan 2017

VSAPI OPR PATTERN File:

13.165.00

VSAPI OPR PATTERN Date:

19 Jan 2017

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

Restart in Safe Mode

[ Learn More ]

Step 4

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\Microsoft\Windows\CurrentVersion\Run
    • {malware filename}.exe = "%Application Data%\Sound.exe"
  • In HKEY_CURRENT_USER\Software\WinRAR
    • HWID = "{hex values}"

Step 5

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.
  • {malware path}\aspr_keys.ini
  • %User Temp%\{random numbers}.bat

Step 6

Restart in normal mode and scan your computer with your Trend Micro product for files detected as WORM_FAREIT.YT. 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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