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

Trojan:Win32/Malex.AMX!MTB - Windows Defender Threat Analysis

$ cat analysis.txt
=== THREAT ANALYSIS REPORT ===
Threat Name: Trojan:Win32/Malex.AMX!MTB
Classification:
Type:Trojan
Platform:Win32
Family:Malex
Detection Type:Concrete
Known malware family with identified signatures
Variant:AMX
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 32-bit Windows platform, family Malex

Summary:

This is a Trojan from the Malex malware family, detected by Microsoft's machine learning behavioral analysis engine (!MTB). As a Trojan, it likely masquerades as a legitimate program to execute malicious activities such as stealing information, downloading other malware, or providing backdoor access to the compromised system.

Severity:
Medium
VDM Static Detection:
No specific strings found for this threat
YARA Rule:
rule Trojan_Win32_Malex_AMX_2147928584_0
{
    meta:
        author = "threatcheck.sh"
        detection_name = "Trojan:Win32/Malex.AMX!MTB"
        threat_id = "2147928584"
        type = "Trojan"
        platform = "Win32: Windows 32-bit platform"
        family = "Malex"
        severity = "Critical"
        info = "MTB: Microsoft Threat Behavior"
        signature_type = "SIGNATURE_TYPE_PEHSTR_EXT"
        threshold = "3"
        strings_accuracy = "Low"
    strings:
        $x_2_1 = {6a 01 6a 10 68 94 7a 42 00 68 06 7c 42 00 e8 ?? ?? ?? ?? 83 c4 10 6a 01 6a 10 68 a5 7a 42 00 68 06 7c 42 00 e8 ?? ?? ?? ?? 83 c4 10 6a 01 6a 10 68 b6 7a 42 00 68 06 7c 42 00 e8 ?? ?? ?? ?? 83 c4 10 6a 01 6a 10 ff 35 e4 7a 42 00 68 06 7c 42 00 e8}  //weight: 2, accuracy: Low
        $x_1_2 = {83 c4 1c ff 35 20 59 42 00 68 80 8d 42 00 68 28 9c 41 00 e8 ?? ?? ?? ?? 83 c4 0c 68 28 9c 41 00 68 a4 8d 42 00 68 30 97 41 00}  //weight: 1, accuracy: Low
    condition:
        (filesize < 20MB) and
        (all of ($x*))
}
Known malware which is associated with this threat:
Filename: svchost.exe
91164c9bfbd47e8fe64db92a79ee734a1bff8741c6635f354794282af0c2e222
23/11/2025
→VirusTotal↓Download Sample
Filename: svchost.exe
0db96db2dac4a2c48f79dab2ef1a33f84cfa588ae0031e276dd8b4d2b6018950
23/11/2025
→VirusTotal↓Download Sample
Filename: svchost.exe
85ce7aef47e18fe2ab48e7fd9eb8bb6843c1d087b4bd07d579ad047cbc995d51
23/11/2025
→VirusTotal↓Download Sample
Filename: svchost.exe
3cee5e2c9f41396a2ae9d8c40d2ada0b3b03ab219130a4c69aaa009e65fd3f9d
23/11/2025
→VirusTotal↓Download Sample
Filename: svchost.exe
7690bca2733e1caaeba502ce15087aad02978efd548ce366cfee25decd7da7cc
23/11/2025
→VirusTotal↓Download Sample
Remediation Steps:
Isolate the affected machine from the network immediately. Use your endpoint security solution to quarantine and remove the detected file. Investigate for persistence mechanisms or further compromise and ensure all systems and security tools are fully updated.
=== 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:~$ ▊