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W2KM_HANCITOR.SXM

February 10, 2017
 Analysis by: RonJay Kristoffer Caragay
 ALIASES:

W97M/Dropper.da (McAfee); WM/Agent.SEQ!tr (Fortinet);

 PLATFORM:

Windows

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

  • Threat Type: Backdoor

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  TECHNICAL DETAILS

File Size:

181,248 bytes

File Type:

DOC

Memory Resident:

Yes

Initial Samples Received Date:

09 Feb 2017

Payload:

Connects to URLs/IPs

Arrival Details

This backdoor may be downloaded from the following remote site(s):

  • http://www.{BLOCKED}e.com.br/api/get.php?id=dmluY2Vfa2Vhcm5zQHRyZW5kbWljcm8uY29t

Installation

This backdoor injects threads into the following normal process(es):

Other Details

This is the Trend Micro detection for Microsoft Word documents that are compromised through the insertion of a malicious macro.

NOTES:

This malware may be downloaded by the embedded link in email messages:

  SOLUTION

Minimum Scan Engine:

9.850

FIRST VSAPI PATTERN FILE:

13.210.07

FIRST VSAPI PATTERN DATE:

09 Feb 2017

VSAPI OPR PATTERN File:

13.211.00

VSAPI OPR PATTERN Date:

10 Feb 2017

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

Remove the malware/grayware file dropped/downloaded by W2KM_HANCITOR.SXM. (Note: Please skip this step if the threat(s) listed below have already been removed.)

     
    • BKDR_HANCITOR.XM

Step 3

Identify and terminate files detected as W2KM_HANCITOR.SXM

[ 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 4

Enable the macro virus protection in Microsoft Office Applications

[ Learn More ]

Step 5

Scan your computer with your Trend Micro product to delete files detected as W2KM_HANCITOR.SXM. 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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