TrojanSpy.Win32.LOKI.THGBIAI
Trojan.Win32.VBKryjetor.cbxk (KASPERSKY); W32/Injector.EGVO!tr (FORTINET)
Windows
Threat Type: Trojan Spy
Destructiveness: No
Encrypted: Yes
In the wild: Yes
OVERVIEW
Downloaded from the Internet, Dropped by other malware
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
1,052,672 bytes
EXE
Yes
26 Jul 2019
Connects to URLs/IPs, Steals information
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 files:
- %Application Data%\{substring from hash of machine GUID}\{substring from hash of machine GUID}.lck
- %Application Data%\{substring from hash of machine GUID}\{substring from hash of machine GUID}.hdb
(Note: %Application Data% is the current user's Application Data folder, which is usually C:\Documents and Settings\{user name}\Application Data on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Roaming on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)
It creates the following folders:
- %Application Data%\{substring from hash of machine GUID}
(Note: %Application Data% is the current user's Application Data folder, which is usually C:\Documents and Settings\{user name}\Application Data on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Roaming on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)
It drops copies of itself into folders whose names contain the following strings:
- %Application Data%\{substring from hash of machine GUID}\{substring from hash of machine GUID}.exe
(Note: %Application Data% is the current user's Application Data folder, which is usually C:\Documents and Settings\{user name}\Application Data on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Roaming on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)
It adds the following mutexes to ensure that only one of its copies runs at any one time:
- {hash of machine GUID}
Information Theft
This Trojan Spy gathers the following data:
- User Name
- Computer Name
- Machine GUID
It attempts to steal stored account information used in the following installed File Transfer Protocol (FTP) clients or file manager software:
- 32BitFtp
- ALFTP
- BitKinex
- Bitvise SSH
- BlazeFtp
- ClassicFTP
- Cyberduck
- EasyFTP
- ExpanDrive
- Far
- Far2
- Far Manager
- FileZilla
- FlashFXP
- Fling
- FreshFTP
- FTPBox
- FTPGetter
- FTPInfo
- FTP Navigator
- FTP Now
- FTPShell
- fullsync
- DeluxeFTP
- GoFTP
- JaSFtp
- AbleFTP
- Automize
- LinasFTP
- MyFTP
- NetDrive
- NetDrive2
- Fastream NETFile
- NexusFile
- NovaFTP
- Notepad++ NppFTP
- Odin Secure FTP Expert
- PuTTY
- KiTTY
- SecureFX
- SftpNetDrive
- sherrod FTP
- SmartFTP
- Staff-FTP
- Steed
- SuperPutty
- Syncovery
- Total Commander
- UltraFXP
- WinFtp Client
- FSProtocol
- WS_FTP
- Ipswitch
- Xftp
It attempts to steal stored email credentials from the following:
- Thunderbird
- Postbox
- FossaMail
- Foxmail
- IncrediMail
- Outlook
- Pocomail
- Gmail Notifier Pro
- DeskSoft Checkmail
- Softwarenetz Mailing
- Opera Mail
- yMail2
- yMail
- TrulyMail
It attempts to get stored information such as user names, passwords, and hostnames from the following browsers:
- 360Browser
- ChromePlus
- Comodo Dragon
- Chrome
- Nichrome
- Rockmelt
- Spark
- Chromium
- Titan Browser
- Torch
- YandexBrowser
- Epic Privacy Browser
- CocCoc
- Vivaldi
- Chromodo
- Superbird
- Coowon
- Mustang Browser
- Citrio
- Chrome SxS
- Orbitum
- Iridium
- Opera
- ChromiumViewer
- Internet Explorer
- Firefox
- SeaMonkey
- Flock Browser
- K-Meleon
- IceDragon
- BlackHawk
- Cyberfox
- Pale Moon
- Lunascape6
- Waterfox
- QtWeb
- QupZilla
- Safari
Other Details
This Trojan Spy does the following:
- Gathers information from “Sticky” related applications:
- To-Do DeskList
- Stickies
- NoteFly
- Notezilla
- Sticky Notes
- Gathers information from password managing applications:
- Enpass Password Manager
- My Roboform
- 1Password
- MikrotikWinbox
It deletes itself after execution.
Mobile Malware Routine
This Trojan Spy sends the gathered information via HTTP POST to the following URL(s):
- http://{BLOCKED}n.com/wp-includes/colors/five/fre.php
SOLUTION
9.850
15.263.00
29 Jul 2019
15.264.00
30 Jul 2019
Step 1
Before doing any scans, Windows 7, Windows 8, Windows 8.1, and Windows 10 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
Step 4
Search and delete these files
- %Application Data%\{substring from hash of machine GUID}\{substring from hash of machine GUID}.exe
- %Application Data%\{substring from hash of machine GUID}\{substring from hash of machine GUID}.lck
- %Application Data%\{substring from hash of machine GUID}\{substring from hash of machine GUID}.hdb
Step 5
Restart in normal mode and scan your computer with your Trend Micro product for files detected as TrojanSpy.Win32.LOKI.THGBIAI. 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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