Analysis by: Rika Joi Gregorio
ALIASES:

PWS:Win32/Fareit.gen!C(Microsoft), Trojan-PWS.Win32.Fareit(Ikarus), Win32/PSW.Fareit.A trojan(Eset)

 PLATFORM:

Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)

 OVERALL RISK RATING:
 REPORTED INFECTION:
 SYSTEM IMPACT RATING:
 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 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 the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system.

It steals certain information from the system and/or the user.

  TECHNICAL DETAILS

File Size: 134,144 bytes
File Type: EXE
Memory Resident: No
Initial Samples Received Date: 17 Apr 2013
Payload: Downloads files, Connects to URLs/IPs, 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 component file(s):

  • %User Temp%\{random digit}.bat - Used to delete its initially executed copy

(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Local\Temp on Windows Vista and 7.)

Other System Modifications

This spyware adds the following registry entries:

HKEY_CURRENT_USER\Software\WinRAR
HWID = "{random value}"

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

HKEY_CURRENT_USER\Software\WinRAR
{random} = "true"

Download Routine

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

  • http://{BLOCKED}.{BLOCKED}.165.68/KQecCgi.exe
  • http://{BLOCKED}pingbusiness.com/N jNU7oo.exe
  • http://{BLOCKED}h.de/1KHahg0e.exe

It saves the files it downloads using the following names:

  • %User Temp%\{random}.exe - detected as TSPY_ZBOT.OSH

(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Local\Temp on Windows Vista and 7.)

It then executes the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system.

Information Theft

This spyware steals the following information:

  • Signing Certificates of executables and drivers

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

  • 32BitFtp
  • ALFTP
  • AceBIT
  • AceFTP
  • BitKinex
  • BlazeFtp
  • BulletProof FTP
  • ClassicFTP
  • CoffeeCup Software
  • Cyberduck
  • DeluxeFTP
  • Directory Opus
  • EasyFTP
  • ExpanDrive
  • FFFTP
  • FTP Commander
  • FTP Explorer
  • FTP Navigator
  • FTPGetter
  • FTPNow
  • FTPRush
  • FTPShell
  • FTPVoyager
  • FTPWare
  • FarManager
  • FileZilla
  • FlashFXP
  • Fling FTP
  • FreshFTP
  • Ghisler
  • GlobalSCAPE CuteFTP 6 Home
  • GlobalSCAPE CuteFTP 6 Professional
  • GlobalSCAPE CuteFTP
  • GlobalSCAPE CuteFTP 7 Home
  • GlobalSCAPE CuteFTP 7 Professional
  • GlobalSCAPE CuteFTP 8 Home
  • GlobalSCAPE CuteFTP 8 Professional
  • GlobalSCAPE CuteFTP Lite
  • GlobalSCAPE CuteFTP Pro
  • LeapWare
  • LeechFTP
  • LinasFTP
  • MAS-Soft FTPInfo
  • My FTP
  • NetDrive
  • NetSarang
  • NexusFile
  • NovaFTP
  • NppFTP
  • Odin Secure FTP Expert
  • PuTTY
  • RhinoSoft
  • Robo-FTP 3.7
  • SecureFX
  • SmartFTP
  • Staff-FTP
  • TurboFTP
  • UltraFXP
  • WS_FTP
  • WebDrive
  • WebSitePublisher
  • WinFTP
  • WinSCP

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

  • Password
  • User ID
  • Server Type
  • Server Name
  • Port Number
  • Directory List

It attempts to steal stored email credentials from the following:

  • Windows Live Mail
  • Windows Mail
  • Pocomail
  • IncrediMail
  • BatMail
  • Outlook
  • ThunderBird

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

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

Stolen Information

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

  • http://{BLOCKED}i.{BLOCKED}hniker.de:8080/forum/viewtopic.php
  • http://mail.{BLOCKED}im.com:8080/forum/viewtopic.php
  • http://{BLOCKED}ra.com/forum/viewtopic.php
  • http://{BLOCKED}racenter.com/forum/viewtopic.php

NOTES:

This spyware uses the following list of passwords to brute force Windows Logon Users:

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

  SOLUTION

Minimum Scan Engine: 9.300
FIRST VSAPI PATTERN FILE: 9.862.04
FIRST VSAPI PATTERN DATE: 17 Apr 2013
VSAPI OPR PATTERN File: 9.863.00
VSAPI OPR PATTERN Date: 18 Apr 2013

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

Remove malware/grayware files dropped/downloaded by TSPY_FAREIT.OSH

     
    • TSPY_ZBOT.OSH

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 = "{random value}"
  • In HKEY_CURRENT_USER\Software\WinRAR
    • Client Hash = "{random value}"
  • In HKEY_CURRENT_USER\Software\WinRAR
    • {random} = "true"

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%\{random}.exe
  • %User Temp%\{random digit}.bat

Step 5

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