Analysis by: John Anthony Banes
 PLATFORM:

Linux

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

  • Threat Type: Backdoor

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

Canal de infección Downloaded from the Internet, Dropped by other malware

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

It connects to certain websites to send and receive information.

  TECHNICAL DETAILS

Tamaño del archivo 121,260 bytes
Tipo de archivo ELF
Residente en memoria Yes
Fecha de recepción de las muestras iniciales 24 Apr 2017
Carga útil Connects to URLs/IPs, Downloads files, Terminates processes

Arrival Details

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

Process Termination

This Backdoor terminates processes or services that contain any of the following strings if found running in the affected system's memory:

  • encoder

Other Details

This Backdoor connects to the following website to send and receive information:

  • load.{BLOCKED}t.ir
  • ntp.{BLOCKED}t.ir
  • {BLOCKED}.{BLOCKED}.189.232
  • {BLOCKED}.{BLOCKED}.38.103

It does the following:

  • Uses common or factory-default usernames and passwords to login to attacked devices.
  • Downloads files
  • Performs DDOS attacks
  • Executes code

  SOLUTION

Motor de exploración mínimo 9.850
Primer archivo de patrones de VSAPI 13.360.04
Primera fecha de publicación de patrones de VSAPI 24 Apr 2017
Versión de patrones OPR de VSAPI 13.361.00
Fecha de publicación de patrones OPR de VSAPI 25 Apr 2017

Scan your computer with your Trend Micro product to delete files detected as ELF_PERSIRAI.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 this Knowledge Base page for more information.


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