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

Trojan:MSIL/Rozena.HNG!MTB - Windows Defender Threat Analysis

$ cat analysis.txt
=== THREAT ANALYSIS REPORT ===
Threat Name: Trojan:MSIL/Rozena.HNG!MTB
Classification:
Type:Trojan
Platform:MSIL
Family:Rozena
Detection Type:Concrete
Known malware family with identified signatures
Variant:HNG
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 Rozena

Summary:

Trojan:MSIL/Rozena.HNG!MTB is a .NET based Trojan that uses machine learning behavioral analysis for detection. The malware is related to the Rozena family, which is associated with malicious activity, indicating it likely aims to compromise the system and potentially steal data or perform other malicious actions.

Severity:
Medium
VDM Static Detection:
No specific strings found for this threat
YARA Rule:
rule Trojan_MSIL_Rozena_HNG_2147908587_0
{
    meta:
        author = "threatcheck.sh"
        detection_name = "Trojan:MSIL/Rozena.HNG!MTB"
        threat_id = "2147908587"
        type = "Trojan"
        platform = "MSIL: .NET intermediate language scripts"
        family = "Rozena"
        severity = "Critical"
        info = "MTB: Microsoft Threat Behavior"
        signature_type = "SIGNATURE_TYPE_PEHSTR_EXT"
        threshold = "1"
        strings_accuracy = "High"
    strings:
        $x_1_1 = {56 00 69 00 72 00 74 00 75 00 61 00 6c 00 41 00 6c 00 6c 00 6f 00 63 00 45 00 78 00 00 25 57 00 72 00 69 00 74 00 65 00 50 00 72 00 6f 00 63 00 65 00 73 00 73 00 4d 00 65 00 6d 00 6f 00 72 00 79 00 00 23 52 00 65 00 61 00 64 00 50 00 72 00 6f 00 63 00 65 00 73 00 73 00 4d 00 65 00 6d 00 6f 00 72 00 79 00 00 0b 6e 00 74 00 64 00 6c 00 6c 00 00 29 5a 00 77 00 55 00 6e 00 6d 00 61 00 70 00 56 00 69 00 65 00 77 00 4f 00 66 00 53 00 65 00 63 00 74 00 69 00 6f 00 6e 00 00 1d 43 00 72 00 65 00 61 00 74 00 65 00 50 00 72 00 6f 00 63 00 65 00 73 00 73 00 41 00}  //weight: 1, accuracy: High
    condition:
        (filesize < 20MB) and
        (all of ($x*))
}
Known malware which is associated with this threat:
Filename: client.exe
6a1f394db151cf3b1366c7894f3e18e2e7d23dc8e239ab1bfd9b518479bd5c5f
18/11/2025
→VirusTotal↓Download Sample
Remediation Steps:
Run a full scan with an updated antivirus, isolate the affected system, and investigate the source of the malware. Consider using a more detailed endpoint detection and response (EDR) if possible.
=== END REPORT ===
$ reanalyze-threat
This analysis was last updated on 18/11/2025. Do you want to analyze it again?
$ ls available-commands/
→ cd /home
user@threatcheck.sh:~$ ▊