user@threatcheck.sh ~ threat-analysis
bash
$ analyze-threat Trojan:Win32/Ravartar!rfn
Trojan:Win32/Ravartar!rfn - Windows Defender threat signature analysis

Trojan:Win32/Ravartar!rfn - Windows Defender Threat Analysis

$ cat analysis.txt
=== THREAT ANALYSIS REPORT ===
Threat Name: Trojan:Win32/Ravartar!rfn
Classification:
Type:Trojan
Platform:Win32
Family:Ravartar
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: Trojan - Appears legitimate but performs malicious actions for 32-bit Windows platform, family Ravartar

Summary:

This threat is a Trojan from the Ravartar family, delivered as a RAR archive via email attachment. It functions as a loader (donutloader) for AgentTesla, a potent information-stealing malware designed to exfiltrate sensitive data from the infected system.

Severity:
Critical
VDM Static Detection:
No detailed analysis available from definition files.
Known malware which is associated with this threat:
Filename: IMG_SOA_APRIL_JUNE_DB-Note_-回Reconcillation_CA15-_Statment.r00.rar
66fe407a08c51640c36597405014dee573df8489eeb218c741767e133692a4ed
24/07/2026
Filename: ThermoXFisher_RFQ_TFS-1905.xls
0b79b2b8d06abba2c98afe52f08bd6603d48905ceebd88b415e3545a5b3d42e7
24/07/2026
Filename: 14169798.rar
8c7349c0607fba5e9a1d4b0183265e54f81d050b02d670a551c0a89601300991
24/07/2026
Filename: Purchase Order 4902134.js
d91d2ac9fd07419f0c502f17e30adc89507a78118aceff3e756aa52ebcd1397a
24/07/2026
Filename: BL2038784680.JS
fdd96aba675606113ee424eb6c31f8dc47d9afbb0e83e8bebcb6299f2fa35cce
23/07/2026
Remediation Steps:
Immediately isolate the affected endpoint and ensure the detected Trojan is quarantined/removed. Force password resets for all accounts used on the compromised machine, especially email and critical business accounts. Conduct a full system scan and perform thorough threat hunting for any signs of persistence or further compromise. Reinforce email security policies and user awareness training to prevent future social engineering attacks.
=== END REPORT ===
$ reanalyze-threat
This analysis was last updated on 25/07/2026. Do you want to analyze it again?
$ ls available-commands/
user@threatcheck.sh:~$