Analysis by: Kiyoshi Obuchi
ALIASES:

Mal/FareitVB-M (Sophos); Trojan.PSW.Fareit.kju (Jiangmin); Trojan-PSW.Win32.Fareit.cqmm (Kaspersky)

 PLATFORM:

Windows

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

  • Threat Type: Trojan Spy

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes


  TECHNICAL DETAILS

Tamaño del archivo 720896 bytes
Tipo de archivo EXE
Fecha de recepción de las muestras iniciales 29 Apr 2017

Installation

This Trojan Spy drops the following copies of itself into the affected system:

  • %Application Data%\mololder\loomelme.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.)

It drops the following files:

  • %User Startup%\loomelme.vbs
  • %Application Data%\Microsoft\Windows\IETldCache\index.dat
  • %User Temp%\.Identifier
  • %Application Data%\BD6BD813-83E9-490D-8D43-F51394BC4252\run.dat

(Note: %User Startup% is the current user's Startup folder, which is usually C:\Documents and Settings\{user}\Start Menu\Programs\Startup on Windows 2000 and XP, and C:\Documents and Settings\{User name}\Start Menu\Programs\Startup on Windows Vista, 7, and 8.. %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.. %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 creates the following folders:

  • %Application Data%\mololder

(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.)

Other System Modifications

This Trojan Spy deletes the following files:

  • %User Temp%\JK-PO29042017.exe:Zone.Identifier

(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 modifies the following registry keys:

HKEY_CURRENT_USER\Software\WinRAR
HWID = {058DA450-C45A-49DA-905C-904A0504357D}

Other Details

This Trojan Spy connects to the following possibly malicious URL:

  • {BLOCKED}.{BLOCKED}.net
  • {BLOCKED}1.{BLOCKED}.net
  • {BLOCKED}2.{BLOCKED}.net
  • {BLOCKED}.{BLOCKED}.net
  • {BLOCKED}ack.{BLOCKED}.net
  • {BLOCKED}.{BLOCKED}si.com
  • {BLOCKED}.{BLOCKED}si.com
  • {BLOCKED}ol.{BLOCKED}.net
  • {BLOCKED}d.{BLOCKED}.net