Utilizing Trend Micro Products for BKDR

Summary

The BAYROB/NIVDORT malware arrives via spam email as an attachment and goes through two stages of infection. The first stage uses Domain Generating Algorithm (DGA) to download its updated copy that contains backdoor capability. The second stage of infection, downloads a bitcoin-miner on an infected machine.

BAYROB was first seen in 2007 stealing only eBay accounts until it evolved and appeared again in 2015 with its backdoor and Anti-AV capabilities. A resurgence in 2016 caused high volume of infections due to its mass mailing capabilities.

Below is a summary profile of this threat throughout the years of observation:

	2007	2015	2016
TARGET	eBay Accounts	Harvest bitcoin via coinminer	Still being determined by looking for live C&C
URL	Fixed malicious URL	Uses DGA	Uses DGA
STEALTH MECHANISM	Uses Kodak Viewer Express	Uses fake MP3 extensions and error messages	Uses names as filenames (jewell.exe) and error messages
CAPABILITY	Information theft	Information theft, backdoor capabilities, may download other malware with other functionalities, clicker capabilities	Information theft, backdoor capabilities, may download other malware with other functionalities, mass mailing capabilities
DEFENSE	None	Disables AV via registry, disables firewall, terminates AV application including watchdog	Disables AV via registry, disables firewall, terminates AV application including watchdog

For further information on BKDR_BAYROB variants that we have already detected, click here.

Click image to enlarge.

Make sure to always use the latest pattern available to detect the old and new variants of BKDR_BAYROB.

Details

Solution Map

Major Products	Versions	Virus Pattern	Behavior Monitoring	Web Reputation	DCT Pattern	Antispam Pattern	Network Pattern
OfficeScan	10.6 and above	Update Pattern via web console	Update Pattern via web console	Enable Web Reputation Service*	Update Pattern via web console	Not Applicable	Update Pattern via web console
Worry Free Business Suite	Standard					Not Applicable	Not Applicable
	Advanced/MSA					Update Pattern via web console
	Hosted					Update Pattern via web console
Deep Security	8.0 and above		Not Applicable		Update Pattern via web console	Not Applicable	Update Pattern via web console
ScanMail	SMEX 10 and later				Not Applicable	Update Pattern via web console	Not Applicable
ScanMail	SMD 5 and later
InterScan Messaging	IMSVA 8.0 and above
InterScan Web	IWSVA 6.0 and later
Deep Discovery	DDI 3.0 and later					Not Applicable	Update Pattern via web console
	DDAN
	DDEI

Refer to the Product Administrator’s Guide on how to enable the Email Reputation or Web Reputation services features.

Recommendations

Threat Report

Trend Micro Threat Encyclopedia: TSPY_NIVDORT.SM

Rating:

Category:

Configure; Troubleshoot; Update

Solution Id:

1112195

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