Analysis by: Karen Ivy Titiwa

ALIASES:

HEUR:Trojan.Linux.Agent.hm(KASPERSKY); ELF:DDoS-BD [Trj](AVAST)

 PLATFORM:

Linux

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

  • Threat Type: DDoS malware

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

Infection Channel: Downloaded from the Internet

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

It executes commands from a remote malicious user, effectively compromising the affected system.

  TECHNICAL DETAILS

File Size: 4,456,448 bytes
File Type: , ELF
Memory Resident: Yes
Initial Samples Received Date: 09 Jun 2020
Payload: Compromises network security, Steals information

Arrival Details

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

Backdoor Routine

This DDoS malware executes the following commands from a remote malicious user:

  • Initiate the following DDoS attacks:
    • TCP flood
    • UDP flood
    • ACK attack
    • SYN attack
    • SYNACK attack
    • IPS spoof
    • SSH attack
  • Remove Self
  • Create Directory
  • Create Services
  • Copy Files
  • Execute files
  • Terminate Process

Information Theft

This DDoS malware gathers the following data:

  • Host IP address
  • Domain Name
  • Directories
  • URL scheme
  • CPU Information
  • PID of Running Process

  SOLUTION

Minimum Scan Engine: 9.850
FIRST VSAPI PATTERN FILE: 15.920.05
FIRST VSAPI PATTERN DATE: 09 Jun 2020
VSAPI OPR PATTERN File: 15.921.00
VSAPI OPR PATTERN Date: 10 Jun 2020

Scan your computer with your Trend Micro product to delete files detected as DDoS.Linux.KAIJI.A. 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:


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