Analysis by: Maria Emreen Viray

 PLATFORM:

Windows

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

  • Threat Type: Hacking Tool

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

Canal de infección Downloaded from the Internet, Dropped by other malware

This Hacking Tool 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

Tamaño del archivo 116,736 bytes
Tipo de archivo EXE
Residente en memoria No
Fecha de recepción de las muestras iniciales 05 Mar 2021

Arrival Details

This Hacking Tool 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 Hacking Tool drops the following files:

  • {malware path}\o.txt

Other Details

This Hacking Tool requires the following additional components to properly run:

  • {malware path}\ip.txt
    • should contain domain name inputs used by application

It does the following:

  • it resolves domain names into their corresponding IP addresses by doing the following:
    • reads ip.txt for the following inputs:
      • {domain}
        • note: if multiple domains as input, each should be separated with a new line
    • checks if domain is alive (through ICMP echo requests). If so, it retrieves its IP address and displays the following in the console:
      • ok: {resolved IP address} {domain}
    • records the resolution into o.txt as
      • {domain} {resolved IP address} 0
    • if domain is not alive, it displays the following in the console:
      • no: {domain}
  • part of the console output are:
    • timeout=[{time (ms) to wait for replies}]
    • thread=[10]
      • no significant impact in application
    • time= {time (ms) elapsed since start of domain to ip resolution}

  SOLUTION

Motor de exploración mínimo 9.800
Archivo de patrones de SSAPI: 2.389.00
Fecha de publicación del patrón SSAPI 11 Mar 2021

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

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

Search and delete this file

[ Learn More ]
There may be some files that are hidden. Please make sure you check the Search Hidden Files and Folders checkbox in the "More advanced options" option to include all hidden files and folders in the search result.  
  • {malware path}\ip.txt
  • {malware path}\o.txt

Step 4

Scan your computer with your Trend Micro product to delete files detected as HackTool.Win32.PingSweep.B. 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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