Analysis by: Karen Ivy Titiwa
ALIASES:

HackTool:MacOS/Brootkit.A!MT(MICROSOFT); Rootkit.Shell.Agent.a (KASPERSKY)

 PLATFORM:

Linux

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

  • Threat Type: Rootkit

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes


  TECHNICAL DETAILS

Tamaño del archivo 6,623 bytes
Tipo de archivo Other
Residente en memoria Yes
Fecha de recepción de las muestras iniciales 19 Feb 2020

Arrival Details

This malware arrives via the following means:

Other Details

This Rootkit does the following:

  • It is used by Trojan.SH.BROOTKIT.B for its rootkit capabilities.
  • It hides processes with the following names:
    • diskmanagerd
    • kacpi_notify
  • It hides files with names containing any of the following strings:
    • emacs.sh
    • kacpi_notify
    • diskmanagerd
  • Capable of hiding ports
  • Overwrites the following terminal bash command:
    • netstat → lists all ports but hides specified ports, if any
    • ls → lists all files and directores but hides files mentioned above
    • ps → lists all processes but hides processess mentioned above

  SOLUTION

Motor de exploración mínimo 9.850
Primer archivo de patrones de VSAPI 15.698.03
Primera fecha de publicación de patrones de VSAPI 21 Feb 2020
Versión de patrones OPR de VSAPI 15.699.00
Fecha de publicación de patrones OPR de VSAPI 22 Feb 2020

Scan your computer with your Trend Micro product to clean files detected as Rootkit.SH.BROOTKIT.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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