Analysis by: Leidryn Saludez
ALIASES:

Backdoor.RAT.SambaSpy (IKARUS)

 PLATFORM:

Windows

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

  • Threat Type: Backdoor

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

Infection Channel: 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 executes commands from a remote malicious user, effectively compromising the affected system.

It gathers certain information on the affected computer.

  TECHNICAL DETAILS

File Size: 12,348,877 bytes
File Type: JAR
Initial Samples Received Date: 20 Sep 2024
Payload: Connects to URLs/IPs

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.

Backdoor Routine

This Backdoor executes the following commands from a remote malicious user:

  • System Control:
    • Manages file system and processes
    • Webcam control
    • Take screenshots
    • Loads additional plug-ins
    • Starts remote shell
    • Manages clipboard
    • Logs keystrokes

It connects to the following URL(s) to send and receive commands from a remote malicious user:

  • {BLOCKED}j.lamsnajs.site

Information Theft

This Backdoor gathers the following information on the affected computer:

  • It gathers credentials from the following browsers:
    • Chrome
    • Edge
    • Opera
    • Brave
    • Iridium
    • Vivaldi

  SOLUTION

Minimum Scan Engine: 9.800
FIRST VSAPI PATTERN FILE: 19.602.02
FIRST VSAPI PATTERN DATE: 20 Sep 2024
VSAPI OPR PATTERN File: 19.603.00
VSAPI OPR PATTERN Date: 21 Sep 2024

Step 1

Trend Micro Predictive Machine Learning detects and blocks malware at the first sign of its existence, before it executes on your system. When enabled, your Trend Micro product detects this malware under the following machine learning name:

     Troj.Win32.TRX.XXJAR6ABFF021

Step 2

Before doing any scans, Windows 7, Windows 8, Windows 8.1, and Windows 10 users must disable System Restore to allow full scanning of their computers.

Step 3

Scan your computer with your Trend Micro product to delete files detected as Backdoor.JAVA.SAMBASPY.THIBOBD. 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:


Did this description help? Tell us how we did.