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TSPY_LOKI.NIL

June 21, 2017
 Analysis by: Jennifer Gumban
 ALIASES:

PWS:Win32/Dyzap.X (Microsoft)

 PLATFORM:

Windows

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

  • Threat Type: Trojan Spy

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Dropped by other malware, 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 connects to a website to send and receive information.

It gathers certain information on the affected computer.

  TECHNICAL DETAILS

File Size:

258,048 bytes

File Type:

EXE

Memory Resident:

Yes

Initial Samples Received Date:

22 May 2017

Payload:

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 adds the following folders:

  • %Application Data%\{random folder name}

(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:

  • %Application Data%\copied.vbs ← executes copied.exe
  • %Application Data%\{random folder name}\{random filename}.lck

(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 copies of itself into the affected system:

  • %Application Data%\copied.exe
  • %Application Data%\{random folder name}\{random filename}.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.)

Autostart Technique

This Trojan Spy adds the following registry entries to enable its automatic execution at every system startup:

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
{random folder name} = "%Application Data%\{random folder name}\{random filename}.exe"

Backdoor Routine

This Trojan Spy connects to the following websites to send and receive information:

  • http://{BLOCKED}ogor.{BLOCKED}h.id/aa/Panel/five/fre.php
  • {BLOCKED}.{BLOCKED}.179.229
  • {BLOCKED}boss.bid/alien/fre.php
  • {BLOCKED}tand.trade/alien/fre.php

Information Theft

This Trojan Spy gathers the following information on the affected computer:

  • Username
  • Machine name

NOTES:

This malware steals stored account information such as usernames and passwords from the following applications:

FTP Applications:

  • AbleFTP8
  • AbleFTP9
  • AbleFTP10
  • AbleFTP11
  • AbleFTP12
  • AbleFTP12
  • AbleFTP12
  • AbleFTP13
  • AbleFTP13
  • AbleFTP13
  • AbleFTP14
  • AbleFTP14
  • AbleFTP14
  • JaSFtp7
  • JaSFtp8
  • JaSFtp9
  • JaSFtp10
  • JaSFtp11
  • JaSFtp12
  • JaSFtp13
  • JaSFtp14
  • Automize7
  • Automize8
  • Automize9
  • Automize10
  • Automize11
  • Automize12
  • Automize13
  • Automize14
  • Cyberduck
  • FTPInfo
  • LinasFTP
  • FileZilla
  • Staff-FTP
  • FlashPeak BlazeFtp
  • Fastream NETFile
  • GoFTP
  • Estsoft ALFTP
  • DeluxeFTP
  • FTPGetter
  • Ipswitch WS_FTP
  • ExpanDrive
  • Steed
  • FlashFXP
  • INSoftware NovaFTP
  • NetDrive
  • NetDrive 2
  • Ghisler Total Commander
  • SmartFTP
  • WinFtp Client
  • Martin Prikryl
  • 32BitFtp
  • FTP Navigator
  • FreshWebmaster FreshFTP
  • BitKinex
  • UltraFXP
  • FTP Now
  • Odin Secure FTP Expert
  • NCH Software Fling
  • NCH Software ClassicFTP

Email Applications:

  • Softwarenetz Mailing Daten
  • Opera Mail
  • Postbox
  • Mozilla FossaMail
  • WinChips
  • Microsoft Outlook
  • Flaska.net Trojita
  • TrulyMail
  • Foxmail mail
  • Pocomail
  • IncrediMail
  • GmailNotifierPro
  • DeskSoft CheckMail
  • Mozilla Thunderbird

Sticky Notes Applications:

  • To-Do DeskList
  • stickies
  • NoteFly
  • Conceptworld Notezilla
  • Microsoft Sticky Notes

Password Manager Applications:

  • Enpass
  • RoboForm
  • 1Password
  • mSecure
  • KeePass

File Manager Applications:

  • Mikrotik Winbox
  • Syncovery
  • VanDyke SecureFX
  • FullSync
  • Far Manager

Game Applications:

  • PokerStars

SSH/VNC Client Applications:

  • Simon Tatham PuTTY
  • VNC
  • 9bis.com KiTTY
  • Bitvise SSH Client

  SOLUTION

Minimum Scan Engine:

9.850

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

Restart in Safe Mode

[ Learn More ]

Step 4

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\Microsoft\Windows\CurrentVersion\Run
    • {random folder name} = "%Application Data%\{random folder name}\{random filename}.exe"

Step 5

Search and delete this folder

[ Learn More ]
Please make sure you check the Search Hidden Files and Folders checkbox in the More advanced options option to include all hidden folders in the search result.  
  • %Application Data%\{random folder name}

Step 6

Restart in normal mode and scan your computer with your Trend Micro product for files detected as TSPY_LOKI.NIL. 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.

Step 7

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