user@threatcheck.sh ~ threat-analysis
bash
$ analyze-threat Trojan:Win64/NukeSped.DA!MTB
Trojan:Win64/NukeSped.DA!MTB - Windows Defender threat signature analysis

Trojan:Win64/NukeSped.DA!MTB - Windows Defender Threat Analysis

$ cat analysis.txt
=== THREAT ANALYSIS REPORT ===
Threat Name: Trojan:Win64/NukeSped.DA!MTB
Classification:
Type:Trojan
Platform:Win64
Family:NukeSped
Detection Type:Concrete
Known malware family with identified signatures
Variant:DA
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 64-bit Windows platform, family NukeSped

Summary:

This threat is a Trojan from the NukeSped family, a sophisticated backdoor used for persistent remote access, data exfiltration, and executing remote commands. The '!MTB' designation indicates it was identified by Microsoft's machine learning behavioral analysis, which detected activities characteristic of this malware family.

Severity:
Medium
VDM Static Detection:
No specific strings found for this threat
YARA Rule:
rule Trojan_Win64_NukeSped_DA_2147930009_0
{
    meta:
        author = "threatcheck.sh"
        detection_name = "Trojan:Win64/NukeSped.DA!MTB"
        threat_id = "2147930009"
        type = "Trojan"
        platform = "Win64: Windows 64-bit platform"
        family = "NukeSped"
        severity = "Critical"
        info = "MTB: Microsoft Threat Behavior"
        signature_type = "SIGNATURE_TYPE_PEHSTR_EXT"
        threshold = "1"
        strings_accuracy = "High"
    strings:
        $x_1_1 = {0f b6 43 01 ff ce 0f b6 0c 28 43 30 0c 26 41 ff c6 0f b6 43 01 fe c0 88 43 01 3c 40 75}  //weight: 1, accuracy: High
    condition:
        (filesize < 20MB) and
        (all of ($x*))
}
Known malware which is associated with this threat:
Filename: radcui.dll
031322f5591b00c6d04b5705bf482e6e0ca01e65e37ac2ef1dd045ee9434f845
05/12/2025
→VirusTotal↓Download Sample
Remediation Steps:
Isolate the affected host from the network immediately. Use an updated EDR or antivirus solution to quarantine and remove the threat. Investigate for persistence mechanisms, signs of lateral movement, and reset credentials for all accounts used on the machine.
=== END REPORT ===
$ reanalyze-threat
This analysis was last updated on 05/12/2025. Do you want to analyze it again?
$ ls available-commands/
→ cd /home
user@threatcheck.sh:~$ ▊