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Backdoor.Win32.SPARKRAT.A

March 19, 2024
 Analysis by: Melvin Jhun Palbusa
 ALIASES:

Trojan:Win32/GoRat.DA!MTB (MICROSOFT)

 PLATFORM:

Windows

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

  • Threat Type: Backdoor

  • Destructiveness: No

  • Encrypted:

  • 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 connects to a website to send and receive information.

  TECHNICAL DETAILS

File Size:

8,478,720 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

07 Mar 2024

Payload:

Connects to URLs/IPs, Executes commands

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:

  • Get Machine GUID
  • System Manipulation:
    • System Shutdown
    • Lock Screen
    • Hibernate
    • Restart
    • Log off
  • Monitor Desktop
  • Screen Capture
  • Screen release
  • Ping Desktop
  • Kill Desktop
  • List file
  • Fetch file
  • Remove file
  • Upload file
  • Enumerate processes
  • Terminate process
  • Get screenshot
  • Create Terminal
  • Ping terminal
  • Update Version
  • Get IP Address
  • Get Mac Address
  • Get Net IO Information
  • Get CPU Information
  • Get RAM Information
  • Get Disk Information
  • Get Device

It connects to the following websites to send and receive information:

  • {BLOCKED}.{BLOCKED}.{BLOCKED}.13:9000

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

  • {BLOCKED}.{BLOCKED}.{BLOCKED}.13:9000

Other Details

This Backdoor does the following:

  • Upon execution, it automatically request an upgrade from its C2 server to obtain the latest available version.

  SOLUTION

Minimum Scan Engine:

9.800

FIRST VSAPI PATTERN FILE:

19.224.03

FIRST VSAPI PATTERN DATE:

18 Mar 2024

VSAPI OPR PATTERN File:

19.225.00

VSAPI OPR PATTERN Date:

19 Mar 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.XXPE50FFF078

Step 2

Note that not all files, folders, and registry keys and entries are installed on your computer during this malware's/spyware's/grayware's execution. This may be due to incomplete installation or other operating system conditions. If you do not find the same files/folders/registry information, please proceed to the next step.

Step 3

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 4

Scan your computer with your Trend Micro product to delete files detected as Backdoor.Win32.SPARKRAT.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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