TROJ_CVE20093129.B

 Analysis by: Sammy Chua

 ALIASES:

Bloodhound.Exploit.306 (Symantec); Exp/20093129-A (Sophos); Exploit:Win32/CVE-2009-3129 (Microsoft);

 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:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:
 INFORMATION EXPOSURE:

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This Trojan 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:

2,560 bytes

File Type:

XLS

Memory Resident:

No

Initial Samples Received Date:

14 Jan 2016

Arrival Details

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

NOTES:

This is the Trend Micro generic detection for files that targets a Microsoft Excel vulnerability. This vulnerability allows execution of arbitrary code with currently logged-on user privileges via a spreadsheet.

This vulnerability is known as Excel Featheader Record Memory Corruption Vulnerability.

  SOLUTION

Minimum Scan Engine:

9.800

FIRST VSAPI PATTERN FILE:

12.280.05

FIRST VSAPI PATTERN DATE:

18 Jan 2016

VSAPI OPR PATTERN File:

12.281.00

VSAPI OPR PATTERN Date:

19 Jan 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

Scan your computer with your Trend Micro product to delete files detected as TROJ_CVE20093129.B. 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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