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

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

$ cat analysis.txt
=== THREAT ANALYSIS REPORT ===
Threat Name: Trojan:MSIL/DCRat.RDJ!MTB
Classification:
Type:Trojan
Platform:MSIL
Family:DCRat
Detection Type:Concrete
Known malware family with identified signatures
Variant:RDJ
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 Remote Access Trojan (RAT) from the DCRat family, which allows an attacker to gain unauthorized remote control over the infected system. This can lead to data theft, surveillance, and the installation of additional malware. The detection is based on machine learning behavioral analysis, indicating suspicious activity consistent with this threat family.

Severity:
Medium
VDM Static Detection:
No specific strings found for this threat
YARA Rule:
rule Trojan_MSIL_DCRat_RDJ_2147897646_0
{
    meta:
        author = "threatcheck.sh"
        detection_name = "Trojan:MSIL/DCRat.RDJ!MTB"
        threat_id = "2147897646"
        type = "Trojan"
        platform = "MSIL: .NET intermediate language scripts"
        family = "DCRat"
        severity = "Critical"
        info = "MTB: Microsoft Threat Behavior"
        signature_type = "SIGNATURE_TYPE_PEHSTR_EXT"
        threshold = "3"
        strings_accuracy = "High"
    strings:
        $x_1_1 = "SGxDUr5uRrbW2X9YcTIdUkMi5E" ascii //weight: 1
        $x_1_2 = "pxqDsBPmp0nY" ascii //weight: 1
        $x_1_3 = "$TR$4E" ascii //weight: 1
    condition:
        (filesize < 20MB) and
        (all of ($x*))
}
Known malware which is associated with this threat:
49f4ceb17f9e44be27e065513a036f22da0bd0688a9a5d9c479b8aa70b7f3110
08/11/2025
Remediation Steps:
Isolate the affected machine from the network immediately to prevent lateral movement. Use the security software to quarantine and remove the threat. Investigate the initial access vector and reset credentials for any user accounts associated with the compromised device.
=== END REPORT ===
$ reanalyze-threat
This analysis was last updated on 08/11/2025. Do you want to analyze it again?
$ ls available-commands/
user@threatcheck.sh:~$