Modified by: Jay Bradley Nebre

ALIASES:

Trojan:Win32/Skeeyah.A!MTB (Microsoft); RDN/Generic.grp (McAfee); HEUR:Backdoor.Win32.Androm.gen (Kaspersky); Troj/Fareit-IVV (Sophos); Trojan.Win32.Generic!BT (Sunbelt)

 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: 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.

  TECHNICAL DETAILS

File Size: 308,484 bytes
File Type: EXE
Memory Resident: Yes
Initial Samples Received Date: 24 Sep 2019
Payload: Drops files

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 processes:

  • %System%\cmd.exe

(Note: %System% is the Windows system folder, where it usually is C:\Windows\System32 on all Windows operating system versions.)

It creates the following folders:

  • %Application Data%\config\quickmod
  • %Application Data%\config
  • %Application Data%\config\quickmod\ParentID\actions
  • %Application Data%\config\quickmod\ParentID

(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}

Other System Modifications

This Trojan Spy adds the following registry keys:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Guayaquil

HKEY_CURRENT_USER\SOFTWARE\HydraProductions\
domineesforefeel

It adds the following registry entries:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Guayaquil
DisplayName = "Guayaquil"

HKEY_CURRENT_USER\Software\HydraProductions\
domineesforefeel
FinishRead = "No"

Dropping Routine

This Trojan Spy drops the following 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
  • %User Temp%\Ogham
  • %User Temp%\sump.dll
  • %User Temp%\nsqBBE1.tmp\System.dll
  • %User Temp%\1ae7d87d.lnk
  • %User Temp%\aspnetregbrowsers.exe
  • %User Temp%\io.pagure.lohit.tamil.font.metainfo.xml
  • %Application Data%\config\quickmod\ParentID\actions\KBTopicTypeFilter80.xml
  • %User Temp%\ZipExeStub.exe
  • %Application Data%\config\quickmod\ParentID\actions\sarray.cpp
  • %User Temp%\regcap.exe
  • %User Temp%\croseci2c.ko
  • %User Temp%\product.xdr
  • %User Temp%\VsMacroHierarchyLib.dll
  • %Application Data%\config\quickmod\ParentID\actions\mdrivres.h
  • %Application Data%\config\quickmod\ParentID\actions\libmpc3amd64.shlibs
  • %Application Data%\config\quickmod\ParentID\actions\17.opends60.dll
  • %User Temp%\crtowordsjp.dll
  • %User Temp%\RemotingCrossAppDomain.zip
  • %User Temp%\thresholds.xml
  • %User Temp%\vnd.android.package-archive.xml
  • %Application Data%\config\quickmod\ParentID\actions\sbssystementerpriseservices.dll
  • %User Temp%\Local903113851vbcalendar1.gif
  • %User Temp%\gtk-remove.svg

(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).. %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local\Temp on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)

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
  • 9bis.comKiTTY
  • AbleFTP
  • Automize
  • BitKinex
  • Cyberduck
  • DeluxeFTP
  • EasyFTP
  • Estsoft ALFTP
  • ExpanDrive
  • FTP Navigator
  • FTP Now
  • FTPBox
  • FTPGetter
  • FTPInfo
  • FTPShell
  • Far Manager
  • Fastream NETFile
  • FileZilla
  • FlashFXP
  • FlashPeak BlazeFtp
  • FreshWebmaster FreshFTP
  • Ghisler Total Commander
  • GoFTP
  • INSoftware NovaFTP
  • Ipswitch WS_FTP
  • JaSFtp
  • LinasFTP
  • Martin Prikryl
  • NCH Software ClassicFTP
  • NCH Software Fling
  • NetDrive
  • NetDrive 2
  • NetSarang Xftp
  • NexusFile
  • Notepad++ NppFTP
  • Odin Secure FTP Expert
  • Sherrod Computers Sherrod FTP
  • SimonTatham PuTTY
  • SmartFTP
  • Staff-FTP
  • Steed
  • UltraFXP
  • VanDyke SecureFX
  • WinFTP
  • oZone3D MyFTP

It attempts to steal stored email credentials from the following:

  • FossaMail
  • Foxmail
  • IncrediMail
  • Microsoft 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 Safari
  • Baidu Spark
  • Catalina Group Citrio
  • Chromium
  • Coc Coc Browser
  • Comodo Chromodo
  • Comodo Dragon
  • Comodo IceDragon
  • Coowon
  • Epic Privacy Browser
  • Flock
  • Google Chrome
  • Google Chrome SxS
  • Internet Explorer
  • K-Meleon
  • Lunascape 6
  • MapleStudio ChromePlus
  • Moonchild Productions Pale Moon
  • Mozilla Firefox
  • Mozilla SeaMonkey
  • Mustang Browser
  • NETGATE Technologies BlackHawk
  • Nichrome
  • Opera Next
  • Opera Stable
  • QtWeb.NET QtWeb Internet Browser
  • QupZilla
  • RockMelt
  • Sleipnir Browser
  • Superbird
  • Titan Browser
  • Torch
  • Vivaldi
  • Yandex Browser

Stolen Information

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

  • {BLOCKED}.{BLOCKED}.102.103/Sammybiggy/fre.php

  SOLUTION

Minimum Scan Engine: 9.850
FIRST VSAPI PATTERN FILE: 15.360.05
FIRST VSAPI PATTERN DATE: 11 Sep 2019
VSAPI OPR PATTERN File: 15.361.00
VSAPI OPR PATTERN Date: 12 Sep 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

Delete this registry key

[ 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_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall
    • Guayaquil
  • In HKEY_CURRENT_USER\SOFTWARE\HydraProductions
    • domineesforefeel

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_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Guayaquil
    • DisplayName = "Guayaquil"
  • In HKEY_CURRENT_USER\Software\HydraProductions\domineesforefeel
    • FinishRead = "No"

Step 4

Search and delete these components

[ Learn More ]
There may be some components 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%\aspnetregbrowsers.exe
  • %Start Menu%\Programs\Darcs\Darcs site.url
  • %User Temp%\io.pagure.lohit.tamil.font.metainfo.xml
  • %Application Data%\config\quickmod\ParentID\actions\KBTopicTypeFilter80.xml
  • %User Temp%\ZipExeStub.exe
  • %Application Data%\config\quickmod\ParentID\actions\sarray.cpp
  • %User Temp%\regcap.exe
  • %User Temp%\croseci2c.ko
  • %User Temp%\product.xdr
  • %User Temp%\VsMacroHierarchyLib.dll
  • %Application Data%\config\quickmod\ParentID\actions\mdrivres.h
  • %Application Data%\config\quickmod\ParentID\actions\libmpc3amd64.shlibs
  • %Start Menu%\Programs\$ICONS_GROUP\Service\Register Trap Service.lnk
  • %Application Data%\config\quickmod\ParentID\actions\17.opends60.dll
  • %User Temp%\crtowordsjp.dll
  • %User Temp%\RemotingCrossAppDomain.zip
  • %User Temp%\thresholds.xml
  • %User Temp%\vnd.android.package-archive.xml
  • %Application Data%\config\quickmod\ParentID\actions\sbssystementerpriseservices.dll
  • %User Temp%\Local903113851vbcalendar1.gif
  • %User Temp%\gtk-remove.svg

Step 5

Search and delete these folders

[ 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%\config\quickmod
  • %Application Data%\config
  • %Application Data%\config\quickmod\ParentID\actions
  • %Application Data%\config\quickmod\ParentID

Step 6

Scan your computer with your Trend Micro product to delete files detected as TrojanSpy.Win32.LOKI.TIOIBOHX. 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 the following Trend Micro Support pages for more information:


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