Analysis by: Ryan Paolo Maglaque
ALIASES:

Infostealer.Lokibot(Norton);

 PLATFORM:

Windows

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

  • Threat Type: Trojan Spy

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

Infection Channel: Downloaded from the Internet

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

It deletes itself after execution.

  TECHNICAL DETAILS

File Size: 483,328 bytes
File Type: EXE
Memory Resident: Yes
Initial Samples Received Date: 22 Aug 2017
Payload: Connects to URLs/IPs

Arrival Details

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

  • %application data%\{random}\{random}.exe

It drops the following files:

  • %application data%\{random}\{random}.lck

It adds the following mutexes to ensure that only one of its copies runs at any one time:

  • F763FD6CB32A01D7B8238AA4

Information Theft

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

  • 32Bitftp
  • 9bis.com KiTTY
  • AbleFTP
  • BitKinex
  • Bitvise BvSshClient
  • DeluxeFTP
  • EasyFTP
  • Estsoft ALFTP
  • ExpanDrive
  • Far Manager
  • Fastream NETFile
  • FileZilla
  • FlashFXP
  • Flashpeak BlazeFtp
  • FreshWebmaster FreshFTP
  • FTP Navigator
  • FTP Now
  • FTPBox
  • FTPGetter
  • FTPInfo
  • FTPShell
  • GHISLER Total Commander
  • GoFTP
  • INSoftware NovaFTP
  • IpSwitch WS_FTP
  • iterate_GmbH Cyberduck
  • JasFtp
  • LinasFTP
  • Martin Prikryl WinSCP
  • NCH Software ClassicFTP
  • NCH Software Fling
  • NetDrive
  • NetSarang Xftp
  • NexusFile
  • Notepad++ NppFTP
  • Odin Secure FTP Expert
  • oZone3D MyFTP
  • Sherrod FTP
  • SimonTatham PuTTY
  • SmartFTP
  • Staff-FTP
  • SuperPutty
  • UltraFXP
  • VanDyke SecureFX
  • WinFtp Client

It attempts to steal stored email credentials from the following:

  • FossaMail
  • Foxmail
  • Incredimail
  • Outlook
  • Postbox
  • Thunderbird

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

  • 360 Browser
  • 8pecxstudios Cyberfox
  • Apple Computer Safari
  • Catalina Group Citrio
  • Chromium
  • Chromodo
  • CocCoc
  • Comodo Dragon
  • Comodo IceDragon
  • Coowon
  • Epic Privacy Browser
  • Flock Browser
  • Google Chrome
  • Google Chrome SxS
  • Internet Explorer
  • Iridium
  • K-Meleon
  • LunaScape6
  • Maplestudio Chromeplus
  • Moonchild Productions Pale Moon
  • Mozilla Firefox
  • Mozilla Seamonkey
  • Mozilla Waterfox
  • Mustang Browser
  • NETGATE Technologies Blackhawk
  • Nichrome
  • Opera
  • Opera Next
  • Orbitum
  • QtWeb Internet Browser
  • QupZilla
  • Rockmelt
  • Spark
  • Superbird
  • Titan Browser
  • Torch
  • Vivaldi
  • YandexBrowser

Stolen Information

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

  • {BLOCKED}elme.info/042/fre.php

Other Details

This Trojan Spy deletes itself after execution.

  SOLUTION

Minimum Scan Engine: 9.850
FIRST VSAPI PATTERN FILE: 13.612.05
FIRST VSAPI PATTERN DATE: 23 Aug 2017
VSAPI OPR PATTERN File: 13.613.00
VSAPI OPR PATTERN Date: 24 Aug 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

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.  
  • %application data%\{random}\{random}.exe
  • %application data%\{random}\{random}.lck

Step 4

Scan your computer with your Trend Micro product to delete files detected as TSPY_LOKI.GTE. 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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