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HackTool.Win64.FScan.F

November 23, 2022
 Analysis by: Ricardo III Valdez
 ALIASES:

UDS:HackTool.Win32.SMBScan (KASPERSKY)

 PLATFORM:

Windows

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

  • Threat Type: Hacking Tool

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

Infection Channel:

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

File Size:

5,427,200 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

28 Sep 2022

Payload:

Sets and accepts specific parameters

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.

Other Details

This Hacking Tool does the following:

  • It accepts the following parameters:
    • -br int, Specifies the thread for threaded blasting (default: 1)
    • -c string, Execute commands using SSH
    • -cookie string, Sets the POC cookies
    • -debug int, Sets the time to log error message (default: 60)
    • -domain string, Specifies the SMB domain
    • -full, Accepts 100 shiro-key inputs for POC full scan
    • -h string, Specifies the IP address of the host you want to scan
    • -hf string, Specifies the IP to import as file
    • -hn string, Skip certain IP scans
    • -m string, Select scan type (default: "all")
    • -no, Do not save output logs
    • -nobr, Do not brute passwords
    • -nopoc, Skip web vulnerability scanning or POC scanning
    • -np, Skip ping
    • -num int, Sets the web POC contact rate (default: 20)
    • -o string, Saves the scan results to an output file (default: "results.txt")
    • -p string, Selects a port to be scanned
    • -pa string, Adds a port to the DefaultPorts database (example: -pa 3389)
    • -path string, Sets SMB remote file path
    • -ping, Uses ping instead of ICMP for survival detection
    • -pn string, Specifies the ports to be skipped during scanning (example: -pn 445)
    • -pocname string, Specifies the name of the Web POC (example: -pocname weblogic)
    • -pocpath string, Sets the POC file path
    • -portf string, Specifies the port file
    • -proxy string, Sets the POC proxy
    • -pwd string, Specifies the password at the time of blasting
    • -pwda string, Adds a password to the DefaultPasses database
    • -pwdf string, Specifies the password file at the time of blasting
    • -rf string, Specifies the redis file for writing the public key module
    • -rs string, Uses the redis shell to write cron file
    • -sc string, Specifies ms17-010 to use the module shellcode (built-in functions such as adding users "-sc add")
    • -silent, Silent scanning
    • -socks5 string, Sets socks5 proxy that will be used in tcp connection, timeout setting will not work
    • -sshkey string, Specifies the SSH private key when connected
    • -t int, Scan thread - default 600
    • -time int, Sets the port scan timeout (default: 3)
    • -top int, Show live length (default: 10)
    • -u string, Specifies the url to be scanned
    • -uf string, Specifies the url file to be scanned
    • -user string, Specifies the username at the time of blasting
    • -usera string, Adds a username to the DefaultUsers database
    • -userf string, Specifies the username file at the time of blasting
    • -wt int, Sets the web access timeout (default 5)

  SOLUTION

Minimum Scan Engine:

9.800

SSAPI PATTERN File:

2.569.00

SSAPI PATTERN Date:

24 Nov 2022

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.XXPE50FFF061

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

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 4

Scan your computer with your Trend Micro product to delete files detected as HackTool.Win64.FScan.F. 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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