TSPY_BEBLOH.YYU


 ALIASES:

Win32/Spy.Bebloh.K (ESET-NOD32), Troj/Shiotob-AG (Sophos)

 PLATFORM:

Windows

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

  • Threat Type: Spyware

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Downloaded from the Internet

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

It does not have any propagation routine.

It does not have any backdoor routine.

It modifies the Internet Explorer Zone Settings.

It attempts to steal sensitive online banking information, such as user names and passwords. This routine risks the exposure of the user's account information, which may then lead to the unauthorized use of the stolen data.

It connects to certain websites to send and receive information. It gathers information and reports it to its servers.

  TECHNICAL DETAILS

File Size:

247,296 bytes

File Type:

EXE

Memory Resident:

Yes

Initial Samples Received Date:

24 Mar 2016

Payload:

Connects to URLs/IPs, Steals information

Arrival Details

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

  • Global\Uz{hex values}

It injects codes into the following process(es):

  • explorer.exe

Other System Modifications

This spyware adds the following registry keys:

HKEY_CURRENT_USER\Software\{random key}

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Ext\
Settings\{GUID}

It adds the following registry entries:

HKEY_CURRENT_USER\Software\{random key}
(Default) = "{hex values}"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Ext\
Settings\{GUID}
Flags = "1"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Ext\
Settings\{GUID}
Version = "*"

HKEY_CURRENT_USER\Software\{random key}
{random} = "{hex values}"

Propagation

This spyware does not have any propagation routine.

Backdoor Routine

This spyware does not have any backdoor routine.

Web Browser Home Page and Search Page Modification

This spyware modifies the Internet Explorer Zone Settings.

Information Theft

This spyware attempts to steal sensitive online banking information, such as user names and passwords. This routine risks the exposure of the user's account information, which may then lead to the unauthorized use of the stolen data.

Stolen Information

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

  • {BLOCKED}oute.com/set/?tver={value}&vcmd={value}&cc={value}&hh={Hex Value}&ipcnf={Ip address}+&sckport={value}&pros={value}&via={value}&keret={value};&email={email address}

Other Details

This spyware connects to the following URL(s) to check for an Internet connection:

  • www.google.com

It connects to the following website to send and receive information:

  • http://{BLOCKED}oute.com
  • https://{BLOCKED}oute.com

It does the following:

  • Update itself
  • It does not proceed to its malicious routine if it detects that it is running in a Virtual environment
  • It deletes the cache files of Google Chrome and Mozilla Firefox
  • It monitors the following files to steal sensitive information, such as user names and passwords:
    • iexplore.exe
    • explorer.exe
    • myie.exe
    • firefox.exe
    • ftpte.exe
    • coreftp.exe
    • filezilla.exe
    • TOTALCMD.EXE
    • cftp.exe
    • FTPVoyager.exe
    • SmartFTP.exe
    • WinSCP.exe
    • chrome.exe
    • opera.exe
    • chrome.dll
    • thebat.exe
    • msimn.exe
    • nsp4.dll
    • nss3.dll
    • Outlook.exe

It gathers the following information and reports it to its servers:

  • Email addresses from Windows Address Book (WAB)
  • User Credentials (FTP, Browser, Email)
  • Machine Name
  • OS Information (Version, Product ID, Name, Install Date)
  • Explorer File Information
  • Volume Serial Number
  • Network Configuration (IP address, Socket, Ports)
  • Keyboar Layout

NOTES:

It does not have rootkit capabilities.

It does not exploit any vulnerability.

  SOLUTION

Minimum Scan Engine:

9.800

FIRST VSAPI PATTERN FILE:

12.426.02

FIRST VSAPI PATTERN DATE:

25 Mar 2016

VSAPI OPR PATTERN File:

12.427.00

VSAPI OPR PATTERN Date:

26 Mar 2016

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 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. Before you could do this, you must restart in Safe Mode. For instructions on how to do this, you may refer to this page If the preceding step requires you to restart in safe mode, you may proceed to edit the system registry.

  • In HKEY_CURRENT_USER\Software
    • {random key}
  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Ext\Settings
    • {GUID}

Step 5

Restart in normal mode and scan your computer with your Trend Micro product for files detected as TSPY_BEBLOH.YYU. 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 6

Reset Internet security settings

[ Learn More ]


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