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

Trojan:Win64/Stealer.SXB!MTB - Windows Defender Threat Analysis

$ cat analysis.txt
=== THREAT ANALYSIS REPORT ===
Threat Name: Trojan:Win64/Stealer.SXB!MTB
Classification:
Type:Trojan
Platform:Win64
Family:Stealer
Detection Type:Concrete
Known malware family with identified signatures
Variant:SXB
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 Stealer

Summary:

Trojan:Win64/Stealer.SXB!MTB is a critical concrete detection of a stealer malware targeting Win64 systems, confirmed by both specific signatures and behavioral analysis (MTB). This threat is designed to exfiltrate sensitive information and may use functions like `ShellExecute` to achieve its malicious objectives.

Severity:
Critical
VDM Static Detection:
Relevant strings associated with this threat:
 - ShellExecute (PEHSTR_EXT)
YARA Rule:
rule Trojan_Win64_Stealer_SXB_2147950176_0
{
    meta:
        author = "threatcheck.sh"
        detection_name = "Trojan:Win64/Stealer.SXB!MTB"
        threat_id = "2147950176"
        type = "Trojan"
        platform = "Win64: Windows 64-bit platform"
        family = "Stealer"
        severity = "Critical"
        info = "MTB: Microsoft Threat Behavior"
        signature_type = "SIGNATURE_TYPE_PEHSTR_EXT"
        threshold = "5"
        strings_accuracy = "Low"
    strings:
        $x_3_1 = {48 ff c8 48 85 c0 7c ?? 4c 8b 84 24 ?? ?? ?? ?? 4c 39 c0 0f 83 ?? ?? ?? ?? 48 ff c3 4c 8b 84 24 ?? ?? ?? ?? 45 0f b6 04 00 48 39 d9 73}  //weight: 3, accuracy: Low
        $x_2_2 = {4c 89 d3 48 89 f9 bf ?? ?? ?? ?? 48 8d 35 ?? ?? ?? ?? ?? ?? ?? ?? ?? 48 8b 94 24 ?? ?? ?? ?? 49 89 da 49 89 c1 48 89 cf}  //weight: 2, accuracy: Low
    condition:
        (filesize < 20MB) and
        (all of ($x*))
}
Known malware which is associated with this threat:
Filename: 27681550832027d5ad7ca590ed5396c64a24ad799d5d33db2f12e54855af3c63
27681550832027d5ad7ca590ed5396c64a24ad799d5d33db2f12e54855af3c63
22/01/2026
→VirusTotal↓Download Sample
Filename: b6117013633a43a33639f4fdd497ffa1c3b33aa844416b5107e7bcbc2937d253
b6117013633a43a33639f4fdd497ffa1c3b33aa844416b5107e7bcbc2937d253
22/01/2026
→VirusTotal↓Download Sample
Filename: d6f84096e34c6569f31b8426e7c0f3eeec3449aa8567ce8c858026902901389e
d6f84096e34c6569f31b8426e7c0f3eeec3449aa8567ce8c858026902901389e
22/01/2026
→VirusTotal↓Download Sample
Filename: cddc090a8e06c1e4c8d09827055741c00fb0c06ec727ea85ebfce3dab1ea1187
cddc090a8e06c1e4c8d09827055741c00fb0c06ec727ea85ebfce3dab1ea1187
22/01/2026
→VirusTotal↓Download Sample
Remediation Steps:
Immediately isolate the infected system from the network. Quarantine or remove the detected malicious file, perform a full system scan with updated security software, and reset all user credentials (especially passwords) that may have been exposed on the compromised machine. Review system logs and configurations for persistence mechanisms or further compromise indicators.
=== END REPORT ===
$ reanalyze-threat
This analysis was last updated on 22/01/2026. Do you want to analyze it again?
$ ls available-commands/
→ cd /home
user@threatcheck.sh:~$ ▊