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TSPY_MNIA.SMUS10

March 09, 2013
 Analysis by: Jaime Benigno Reyes
 ALIASES:

a variant of Win32/OpenInstall application (Nod32), Trojan.OpenInstall (Ikarus)

 PLATFORM:

Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)

 OVERALL RISK RATING:
 REPORTED INFECTION:
 SYSTEM IMPACT RATING:
 INFORMATION EXPOSURE:

  • Threat Type: Spyware

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Downloaded from the Internet, Dropped by other malware


This malware is signed with a legitimate digital certificate, which tricks users into thinking that it is a legitimate file. Users affected by this malware may have certain information about their systems stolen and sent to cybercriminals.

To get a one-glance comprehensive view of the behavior of this Spyware, refer to the Threat Diagram shown below.

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 retrieves specific information from the affected system.

It requires its main component to successfully perform its intended routine.

  TECHNICAL DETAILS

File Size:

Varies

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

29 Jul 2011

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.

Download Routine

This spyware connects to the following URL(s) to download its configuration file:

  • http://{BLOCKED}n.{BLOCKED}stall.com.s3.amazonaws.com/installers/75747/gui.json

Information Theft

This spyware retrieves the following information from the affected system:

  • Computer Name
  • OS Version
  • Language
  • Bit Type (32 or 64)
  • Organization
  • Owner
  • User Name

Stolen Information

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

  • http://{BLOCKED}.{BLOCKED}stall.com
  • http://{BLOCKED}.{BLOCKED}stall.com

Other Details

This spyware requires its main component to successfully perform its intended routine.

  SOLUTION

Minimum Scan Engine:

9.300

VSAPI OPR PATTERN File:

8.317.00

VSAPI OPR PATTERN Date:

29 Jul 2011

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_MNIA.SMUS10

[ Learn More ]
  1. 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.
  2. 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.
  3. If the detected file is not displayed in either Windows Task Manager or Process Explorer, continue doing the next steps.

Step 3

Scan your computer with your Trend Micro product to delete files detected as TSPY_MNIA.SMUS10. 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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