Analysis by: Mark Joseph Manahan
ALIASES:

HackTool.Win32.Agent.eca (Kaspersky), HackTool.Win32.Agent (Ikarus), HackTool.Win32.Agent (not malicious) (Sunbelt)

 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: Hacking Tool

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This hacking tool may arrive as a file that exports functions used by other malware.

  TECHNICAL DETAILS

File Size: 54,784 bytes
File Type: DLL
Memory Resident: No
Initial Samples Received Date: 14 Mar 2013

Arrival Details

This hacking tool may arrive as a file that exports functions used by other malware.

NOTES:

This is a component used for stealing NTLM hashes stored in memory.

  SOLUTION

Minimum Scan Engine: 9.300
SSAPI PATTERN File: 1.390.37
SSAPI PATTERN Date: 08 Apr 2013

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

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