Analysis by: Rommel Abraham Joven
ALIASES:

PWS:Win32/Fareit.gen!E(Microsoft); Trojan-PSW.Win32.Tepfer.uytm(Kaspersky); MSIL/Injector.IOX(ESET)

 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: Downloaded from the Internet, Dropped by other malware

This malware is related to CryptoWall 3.0 attacks seen in March 2015.

To get a one-glance comprehensive view of the behavior of this Spyware, refer to the Threat Diagram shown below.

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 executes then deletes itself afterward.

  TECHNICAL DETAILS

File Size: 92,160 bytes
File Type: EXE
Memory Resident: No
Initial Samples Received Date: 17 Mar 2015
Payload: 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 files:

  • %User Temp%\{7 random numbers}.bat

(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 adds the following processes:

  • cmd.exe (uses the dropped .bat file)

It executes then deletes itself afterward.

Other System Modifications

This spyware adds the following registry entries as part of its installation routine:

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

HKEY_CURRENT_USER\Software\WinRAR
Client Hash = "{Random Value}"

Information Theft

This spyware gathers the following data:

  • Cryptographic certificates

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

  • Far Manager
  • Total Commander
  • WS_FTP
  • 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
  • GlobalSCAPE CuteFTP Pro
  • GlobalSCAPE CuteFTP Lite
  • FlashFXP
  • FileZilla
  • FTP Navigator
  • FTP Commander
  • BulletProof FTP
  • SmartFTP
  • TurboFTP
  • CoreFTP
  • FTP Explorer
  • UltraFXP
  • FTPRush
  • BitKinex
  • Frigate3
  • WebSitePublisher
  • SecureFX
  • ExpanDrive
  • FFFTP
  • ClassicFTP
  • Fling FTP
  • SoftX FTPClient
  • Directory Opus
  • LeapFTP
  • 32BitFtp
  • WebDrive
  • Wise-FTP
  • FTPVoyager
  • FireFTP
  • LeechFTP
  • WinFTP
  • FTPGetter
  • ALFTP
  • DeluxeFTP
  • Epic
  • Staff-FTP
  • FreshFTP
  • BlazeFT
  • GoFTP
  • 3D-FTP
  • EasyFTP
  • NetSarang
  • FTPNow
  • Robo-FTP
  • LinasFTP
  • CyberDuck
  • PuTTY
  • NppFTP
  • CoffeeCup Software
  • FTPShell
  • MAS-Soft FTPInfo
  • NexusFile
  • WinZip
  • NovaFTP
  • Odin Secure FTP Expert

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
  • Pocomail
  • Incredimail
  • BatMail
  • The Bat!
  • Internet Account Manager
  • Microsoft Outlook
  • Thunderbird
  • FastTrack
  • Windows Live Mail
  • Windows Mail
  • Pocomail
  • Incredimail
  • BatMail
  • The Bat!
  • Internet Account Manager
  • Microsoft Outlook
  • Thunderbird
  • FastTrack

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

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

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}amap.com/administrator/lib/cheapoakley.php
  • http://{BLOCKED}leds.com/upload/images/images.php
  • http://{BLOCKED}old.com/img/t/t.php
  • http://www.{BLOCKED}e.mx/wp-includes/images/images.php
  • http://www.{BLOCKED}w.nl/wp-includes/pomo/pomo.php
  • http://www.{BLOCKED}ved.nl/wp-content/themes/themes.php
  • http://www.{BLOCKED}osting.nl/wp-includes/theme-compat/ips_kernel.php

  SOLUTION

Minimum Scan Engine: 9.750
FIRST VSAPI PATTERN FILE: 11.548.04
FIRST VSAPI PATTERN DATE: 17 Mar 2015
VSAPI OPR PATTERN File: 11.549.00
VSAPI OPR PATTERN Date: 18 Mar 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

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 = "{Random Value}"

Step 4

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%\{7 random numbers}.bat

Step 5

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