TSPY_POSNEWT.SM
Infostealer.Rawpos (Symantec); TrojanSpy:Win32/Bagopos.A (Microsoft)
Windows
Threat Type: Spyware
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
This Point-of-Sale(PoS) malware was discovered on April 2015 attempting to target certain US-based airports. PoS devices infected by this malware should be considered compromised due to its info-stealing routines.
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 modifies the Internet Explorer Zone Settings.
It logs a user's keystrokes to steal information.
It deletes itself after execution.
TECHNICAL DETAILS
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 drops the following copies of itself into the affected system and executes them:
- %Application Data%\Java\JavaUpdate.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, XP, and Server 2003, or C:\Users\{user name}\AppData\Roaming on Windows Vista, 7, and 8.)
It drops the following component file(s):
- %Application Data%\Java\DLLx64.dll
(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, XP, and Server 2003, or C:\Users\{user name}\AppData\Roaming on Windows Vista, 7, and 8.)
Autostart Technique
This Spyware adds the following registry entries to enable its automatic execution at every system startup:
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
Java Update Manager = "%Application Data%\Java\JavaUpdate.exe"
Other System Modifications
This Spyware adds the following registry keys:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Tracing\JavaUpdate_RASAPI32
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Tracing\JavaUpdate_RASMANCS
It adds the following registry entries as part of its installation routine:
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Policies\
Associations
LowRiskFileTypes = ".exe;.bat;.reg;.vbs;"
Web Browser Home Page and Search Page Modification
This Spyware modifies the Internet Explorer Zone Settings.
Information Theft
This Spyware accepts the following parameters:
- cs= status code
- p= os version + platform + computername
- m= sessionID
- ls= stolen data
- v= client version
It logs a user's keystrokes to steal information.
Stolen Information
This Spyware sends the gathered information via HTTP POST to the following URL:
- http://{BLOCKED}.{BLOCKED}.64.84/a0d19de489970cf7276ebf390ef0cf23/
- http://{BLOCKED}.{BLOCKED}.10.1/connect/2
- http://{BLOCKED}.{BLOCKED}.68.58/52ff5b94d95a03c5/eklemek.php
- http://{BLOCKED}.{BLOCKED}.68.58/afdah/eklemek.php
- http://{BLOCKED}.{BLOCKED}.68.58/ufke/eklemek.php
- http://{BLOCKED}.{BLOCKED}.88.204/connect/2
- http://{BLOCKED}.{BLOCKED}.65.112/connect/2
- http://{BLOCKED}.{BLOCKED}.65.112/connect/5
- http://{BLOCKED}.{BLOCKED}.65.112/connect/9
- http://{BLOCKED}.{BLOCKED}.65.23/connect/3
- http://{BLOCKED}.{BLOCKED}.30.19/mndn39oaom54lt3lk/
- http://{BLOCKED}axis-1.name/a0d19de489970cf7276ebf390ef0cf23/
- http://{BLOCKED}-promos.com/ujakj/ek.php
- http://{BLOCKED}-catalogs.com/dkok/ek.php
Other Details
This Spyware deletes itself after execution.
NOTES:
This spyware acquires VNC passwords of the following for remote control:
- RealVNC
- TightVNC
- UltraVNC
- WinVNC
It scans the memory of all running processes except for the following:
- alg.exe
- csrss.exe
- lsass.exe
- smss.exe
- spoolsv.exe
- svchost.exe
- System
- winlogon.exe
- wuauclt.exe
It uses a constant User-Agent:
Mozilla/4.0(compatible; MSIE 7.0b; Windows NT 6.0
SOLUTION
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
Identify and terminate files detected as TSPY_POSNEWT.SM
- Windows Task Manager may not display all running processes. In this case, please use a third-party process viewer, preferably Process Explorer, to terminate the malware/grayware/spyware file. You may download the said tool here.
- If the detected file is displayed in either Windows Task Manager or Process Explorer but you cannot delete it, restart your computer in safe mode. To do this, refer to this link for the complete steps.
- If the detected file is not displayed in either Windows Task Manager or Process Explorer, continue doing the next steps.
Step 3
Delete this registry value
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
- Java Update Manager = "%Application Data%\Java\JavaUpdate.exe"
- Java Update Manager = "%Application Data%\Java\JavaUpdate.exe"
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Associations
- LowRiskFileTypes = ".exe;.bat;.reg;.vbs;"
- LowRiskFileTypes = ".exe;.bat;.reg;.vbs;"
Step 4
Delete this registry key
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\Tracing
- JavaUpdate_RASAPI32
- JavaUpdate_RASAPI32
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing
- JavaUpdate_RASMANCS
- JavaUpdate_RASMANCS
Step 5
Search and delete these files
- %Application Data%\Java\DLLx64.dll
Step 6
Scan your computer with your Trend Micro product to delete files detected as TSPY_POSNEWT.SM. 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:
Did this description help? Tell us how we did.