user@threatcheck.sh ~ threat-analysis
bash
$ analyze-threat Trojan:MSIL/DCRat.LA!MTB
Trojan:MSIL/DCRat.LA!MTB - Windows Defender threat signature analysis

Trojan:MSIL/DCRat.LA!MTB - Windows Defender Threat Analysis

$ cat analysis.txt
=== THREAT ANALYSIS REPORT ===
Threat Name: Trojan:MSIL/DCRat.LA!MTB
Classification:
Type:Trojan
Platform:MSIL
Family:DCRat
Detection Type:Concrete
Known malware family with identified signatures
Variant:LA
Specific signature variant within the malware family
Suffix:!MTB
Detected via machine learning and behavioral analysis
Detection Method:Behavioral
Confidence:Very High
False-Positive Risk:Low

Concrete signature match: Trojan - Appears legitimate but performs malicious actions for .NET (Microsoft Intermediate Language) platform, family DCRat

Summary:

This threat is a .NET-based Remote Access Trojan (RAT) from the DCRat family, detected through machine learning behavioral analysis. Once active, it grants an attacker remote control over the compromised system, allowing for data theft, command execution, and surveillance.

Severity:
Medium
VDM Static Detection:
No specific strings found for this threat
YARA Rule:
rule Trojan_MSIL_DCRat_LA_2147901431_0
{
    meta:
        author = "threatcheck.sh"
        detection_name = "Trojan:MSIL/DCRat.LA!MTB"
        threat_id = "2147901431"
        type = "Trojan"
        platform = "MSIL: .NET intermediate language scripts"
        family = "DCRat"
        severity = "Critical"
        info = "MTB: Microsoft Threat Behavior"
        signature_type = "SIGNATURE_TYPE_PEHSTR_EXT"
        threshold = "5"
        strings_accuracy = "Low"
    strings:
        $x_5_1 = {02 03 02 4b 03 04 61 05 61 58 0e 07 0e 04 95 58 7e b5 08 00 04 0e 06 17 59 95 58 0e 05 28 ?? 0d 00 06 58 54 2a}  //weight: 5, accuracy: Low
    condition:
        (filesize < 20MB) and
        (all of ($x*))
}
Known malware which is associated with this threat:
Filename: 44F5227885119F0631C4A26DE7608818.exe
bf97e6b72ce8503056dd5fdaf76e73f9d9d6a787c26d900ee053ad1ccf817508
23/11/2025
→VirusTotal↓Download Sample
Remediation Steps:
1. Isolate the affected machine from the network to prevent lateral movement. 2. Use Windows Defender or another reputable antivirus to perform a full system scan and remove the threat. 3. Change all passwords for accounts that were used on the system. 4. Investigate the initial point of compromise, such as a phishing email or malicious download.
=== END REPORT ===
$ reanalyze-threat
This analysis was last updated on 23/11/2025. Do you want to analyze it again?
$ ls available-commands/
→ cd /home
user@threatcheck.sh:~$ ▊