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Trojan.SH.HADGLIDER.A

May 05, 2020
 Analysis by: Joshua John Bantayan
 ALIASES:

N/A

 PLATFORM:

Linux\Unix

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Downloaded from the Internet


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.

However, as of this writing, the said sites are inaccessible.

  TECHNICAL DETAILS

File Size:

1,478 bytes

File Type:

Other

Initial Samples Received Date:

04 May 2020

Payload:

Connects to URLs/IPs, Downloads files

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.

Download Routine

This Trojan connects to the following website(s) to download and execute a malicious file:

  • http://{BLOCKED}.{BLOCKED}.148.123/COVID19/sh/clean.sh - detected as Trojan.SH.HADGLIDER.C
  • http://{BLOCKED}.{BLOCKED}.148.123/COVID19/sh/setup.basics.sh - detected as Trojan.SH.HADGLIDER.E
  • http://{BLOCKED}.{BLOCKED}.148.123/COVID19/sh/setup.mytoys.sh - detected as Trojan.SH.HADGLIDER.F
  • http://{BLOCKED}.{BLOCKED}.148.123/COVID19/sh/setup.xmrig.curl.sh - Trojan.SH.HADGLIDER.J
  • http://{BLOCKED}.{BLOCKED}.148.123/COVID19/nk/NarrenKappe.sh - detected as Trojan.SH.HADGLIDER.TSD
  • http://{BLOCKED}t.red/sysinfo - detected as TrojanSpy.SH.HADGLIDER.A
  • http://{BLOCKED}t.red/dns - detected as Trojan.SH.HADGLIDER.D
  • http://{BLOCKED}.{BLOCKED}.148.123/COVID19/sh/lan.ssh.kinsing.sh

Other Details

This Trojan does the following:

  • It deletes the following cron jobs:
    • /etc/cron.hourly/COVID19*
    • /etc/cron.hourly/SARScov2*
    • /var/spool/cron/COVID19*
    • /var/spool/cron/SARScov2*
    • /var/spool/cron/crontabs/SARScov2*
    • /var/spool/cron/crontabs/COVID19*

However, as of this writing, the said sites are inaccessible.

  SOLUTION

Minimum Scan Engine:

9.850

FIRST VSAPI PATTERN FILE:

15.848.07

FIRST VSAPI PATTERN DATE:

05 May 2020

VSAPI OPR PATTERN File:

15.849.00

VSAPI OPR PATTERN Date:

06 May 2020

Step 1

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 2

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