user@threatcheck.sh ~ threat-analysis
bash
$ analyze-threat HackTool:Win64/Mimikatz!rfn
HackTool:Win64/Mimikatz!rfn - Windows Defender threat signature analysis

HackTool:Win64/Mimikatz!rfn - Windows Defender Threat Analysis

$ cat analysis.txt
=== THREAT ANALYSIS REPORT ===
Threat Name: HackTool:Win64/Mimikatz!rfn
Classification:
Type:HackTool
Platform:Win64
Family:Mimikatz
Detection Type:Concrete
Known malware family with identified signatures
Suffix:!rfn
Specific ransomware family name
Confidence:Very High
False-Positive Risk:Low

Concrete signature match: Hack Tool - Tool used to exploit vulnerabilities for 64-bit Windows platform, family Mimikatz

Summary:

This is a concrete detection of HackTool:Win64/Mimikatz!rfn, a powerful post-exploitation tool designed to extract credentials (passwords, hashes, Kerberos tickets) from memory. Its presence indicates a significant security breach or an active attempt to compromise user and system credentials, targeting sensitive data from browsers, email clients, and other applications.

Severity:
Critical
VDM Static Detection:
Relevant strings associated with this threat:
 - Mgithub.com/clymb3r/PowerShell/blob/master/Invoke-Mimikatz/Invoke-Mimikatz.ps1 (PEHSTR)
 - tinyurl.com/mnq854e (PEHSTR)
 - fXRb.T (SNID)
 - AppData\Roaming\FileZilla.dat (PEHSTR_EXT)
 - AppData\Local\Microsoft\Credential (PEHSTR_EXT)
 - Application Data\Thunderbird\Profiles (PEHSTR_EXT)
 - AppData\Roaming\Thunderbird\Profiles (PEHSTR_EXT)
 - AppData\Roaming\Mozilla\Firefox\Profiles (PEHSTR_EXT)
 - Application Data\Mozilla\Firefox\Profiles (PEHSTR_EXT)
 - Outlook\Profiles\Outlook (PEHSTR_EXT)
 - SOFTWARE\RealVNC\WinVNC4 (PEHSTR_EXT)
 - SOFTWARE\TightVNC\Server (PEHSTR_EXT)
 - uvnc bvba\UltraVNC\UltraVNC.ini (PEHSTR_EXT)
 - AppData\Roaming\Opera Software\Opera Stable\Login Data (PEHSTR_EXT)
 - Software\Microsoft\Internet Explorer\IntelliForms\Storage2 (PEHSTR_EXT)
 - Local Settings\Application Data\Google\Chrome\User Data\Default\ (PEHSTR_EXT)
 - Appdata\Local\Google\Chrome\User Data\Default\ (PEHSTR_EXT)
 - Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook (PEHSTR_EXT)
 - SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList\ (PEHSTR_EXT)
 - AppData\Local\Microsoft\Windows\WebCache\WebCacheV01.dat (PEHSTR_EXT)
 - mimikatz  (PEHSTR_EXT)
 - mimikatz (PEHSTR)
 - powershell_reflective_mimikatz (PEHSTR)
 - powerkatz.dll (PEHSTR)
 - blog.gentilkiwi.com/mimikatz (PEHSTR)
 - powershell_reflective_mimikatz (PEHSTR_EXT)
 - .writeprocessmemory.invoke (PEHSTR_EXT)
 - /user: (PEHSTR_EXT)
 - /domain: (PEHSTR_EXT)
 - /ntlm: (PEHSTR_EXT)
 - log mimikatz input/output to file (PEHSTR_EXT)
 - /mimikatz (PEHSTR_EXT)
 - \\.\pipe\kekeo_tsssp_endpoint (PEHSTR_EXT)
 - software\policies\microsoft\windows\credentialsdelegation (PEHSTR_EXT)
 - system\currentcontrolset\control\lsa\credssp\policydefaults (PEHSTR_EXT)
 - mimikatz.exe (PEHSTR_EXT)
 - Executing Mimikatz (PEHSTR_EXT)
 - sekurlsa::tickets /export (PEHSTR_EXT)
 - /user (PEHSTR_EXT)
 - /domain (PEHSTR_EXT)
 - @.kirbi (PEHSTR_EXT)
 - mimikatz (PEHSTR_EXT)
 - powerkatz.dll (PEHSTR_EXT)
 - blog.gentilkiwi.com/mimikatz (PEHSTR_EXT)
 - LoadMimiByCommand (PEHSTR_EXT)
 - MimikatzDelegate (PEHSTR_EXT)
 - start gg.lnk (PEHSTR_EXT)
 - start procdump.exe -accepteula -ma lsass.exe lsass.dmp (PEHSTR_EXT)
 - expand mim mimi.exe (PEHSTR_EXT)
 - mimi.exestop (PEHSTR_EXT)
 - shaykhelislamov/Documents/Codetest/testproject/main/exec.go (PEHSTR_EXT)
 - cmd /c C:\Users\Public\Documents\ (PEHSTR_EXT)
 - cmd.exe /c taskkill /f /t /im (PEHSTR_EXT)
 - SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System (PEHSTR_EXT)
 - ://department.microsoftmiddlename.tk/ (PEHSTR_EXT)
 - 87.251.log (PEHSTR_EXT)
 - urlmon.dll (PEHSTR_EXT)
 - //department.microsoftmiddlename.tk/picturess/ (PEHSTR_EXT)
 - RDSv1.dll (PEHSTR_EXT)
 - C:/Users/Public/Documents/RDSv1.dll (PEHSTR_EXT)
 - ice_types.secrets.mimikatz.MimikatzResult (PEHSTR_EXT)
 - mimidrv.sys (PEHSTR_EXT)
 - get_MimikatzPE (PEHSTR)
 - set_MimikatzPE (PEHSTR)
 - cmd.exe /V:on /C reg delete HKLM\Software\CommandTmp /f (PEHSTR_EXT)
 - Please input ip. eg, /ip:xx.XXX.xx.x or /ip:xxx.com (PEHSTR_EXT)
 - spread.Cryptohijack (PEHSTR_EXT)
 - !#HSTR:StringCodeForMshta.A!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForHooking.C!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForHooking.D!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForHooking.L!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForHooking.O!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForRegsvr32.A!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForRundll32.A!pli (PEHSTR_EXT)
 - rundll32 (PEHSTR_EXT)
 - !#HSTR:StringCodeForBITSJobs.A!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForPowerShell.G!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForScheduledTask.A!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForDataEncoding.D!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForHooking.J!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForHooking.K!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForRemoteFileCopy.B!pli (PEHSTR_EXT)
 - !#HSTR:ExecutionGuardrails (PEHSTR_EXT)
 - !#HSTR:StringCodeForFileDeletion.A!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForHooking.M!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForNetshHelperDLL.A!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForRemoteServices.A!pli (PEHSTR_EXT)
Known malware which is associated with this threat:
Filename: SD900 Scanned Image-PO 89003.exe
9779b73c7453799dd09006fcf45411135ab6e87e53a33399e59353253a39b1f9
10/01/2026
Remediation Steps:
Immediately isolate the affected system to prevent further compromise or lateral movement. Perform a full system scan with updated security software to remove the threat. All user and service account credentials on the affected system must be considered compromised and reset. Conduct a thorough forensic investigation to identify the initial compromise vector, scope of impact, and any persistence mechanisms.
=== END REPORT ===
$ reanalyze-threat
This analysis was last updated on 10/01/2026. Do you want to analyze it again?
$ ls available-commands/
user@threatcheck.sh:~$