ROOTKIT.LINUX.KORKERDS.AA

October 30, 2018

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 Analysis by: Augusto II Remillano

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 ALIASES:

Linux/Rootkit.Agent.AQ (NOD32)

 PLATFORM:

Linux

 OVERALL RISK RATING:

 DAMAGE POTENTIAL:

 DISTRIBUTION POTENTIAL:

 REPORTED INFECTION:

 SYSTEM IMPACT RATING:

 INFORMATION EXPOSURE:

• 
  Threat Type: Rootkit
• 
  Destructiveness: No
• 
  Encrypted: No
• 
  In the wild: Yes

  OVERVIEW

Infection Channel:

Dropped by other malware, Downloaded from the Internet

This Rootkit 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:

12,288 bytes

File Type:

ELF

Memory Resident:

Yes

Payload:

Hides files and processes

Arrival Details

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

Other Details

This Rootkit does the following:

• Its rootkit capabilities enable it to hide processes with the name "kworkerds"
• Used by Coinminer.Linux.KORKERDS.AA for its rootkit capabilities

  SOLUTION

Minimum Scan Engine:

9.850

FIRST VSAPI PATTERN FILE:

14.588.05

FIRST VSAPI PATTERN DATE:

26 Oct 2018

VSAPI OPR PATTERN File:

14.589.00

VSAPI OPR PATTERN Date:

27 Oct 2018

Scan your computer with your Trend Micro product to delete files detected as ROOTKIT.LINUX.KORKERDS.AA. 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 the following Trend Micro Support pages for more information:

• Home and Home Office Support
• Business Support

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