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

Trojan:Win32/Lazy.AB!MTB - Windows Defender Threat Analysis

$ cat analysis.txt
=== THREAT ANALYSIS REPORT ===
Threat Name: Trojan:Win32/Lazy.AB!MTB
Classification:
Type:Trojan
Platform:Win32
Family:Lazy
Detection Type:Concrete
Known malware family with identified signatures
Variant:AB
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 Lazy

Summary:

Trojan:Win32/Lazy.AB!MTB is a highly malicious Trojan detected via concrete signatures and behavioral analysis, indicating a low false positive risk. It extensively abuses legitimate Windows utilities like mshta, regsvr32, rundll32, and PowerShell, implements API hooking, creates scheduled tasks for persistence, and can perform remote file operations, aiming for comprehensive system control and malicious execution.

Severity:
Critical
VDM Static Detection:
Relevant strings associated with this threat:
 - Fjiocoivjsfiiqwi (PEHSTR_EXT)
 - |#c1db55ab-c21a-4637-bb3f-a12568109d35 (NID)
 - }#c1db55ab-c21a-4637-bb3f-a12568109d35 (NID)
 - |#d4f940ab-401b-4efc-aadc-ad5f3c50688a (NID)
 - }#d4f940ab-401b-4efc-aadc-ad5f3c50688a (NID)
 - !#HSTR:StringCodeForMshta.A!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForHooking.C!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForHooking.D!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForHooking.L!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForHooking.O!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForRegsvr32.A!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForRundll32.A!pli (PEHSTR_EXT)
 - rundll32 (PEHSTR_EXT)
 - !#HSTR:StringCodeForBITSJobs.A!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForPowerShell.G!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForScheduledTask.A!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForDataEncoding.D!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForHooking.J!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForHooking.K!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForRemoteFileCopy.B!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForFileDeletion.A!pli (PEHSTR_EXT)
YARA Rule:
rule Trojan_Win32_Lazy_AB_2147849152_0
{
    meta:
        author = "threatcheck.sh"
        detection_name = "Trojan:Win32/Lazy.AB!MTB"
        threat_id = "2147849152"
        type = "Trojan"
        platform = "Win32: Windows 32-bit platform"
        family = "Lazy"
        severity = "Critical"
        info = "MTB: Microsoft Threat Behavior"
        signature_type = "SIGNATURE_TYPE_PEHSTR_EXT"
        threshold = "10"
        strings_accuracy = "High"
    strings:
        $x_10_1 = {83 7c 24 60 10 8d 44 24 4c 0f 43 44 24 4c 8a 04 10 2a 04 91 88 44 24 13 3b de 73 2e 8a 4c 24 13 8d 43 01 89 44 24 38 83 fe 10 8d 44 24 28 0f 43 c7 88 0c 18 c6 44 18 01 00 8b 74 24 3c 8b 5c 24 38 8b 7c 24 28}  //weight: 10, accuracy: High
    condition:
        (filesize < 20MB) and
        (all of ($x*))
}
Known malware which is associated with this threat:
Filename: verification.google
b0e1beb8efa31915bb0391e97993f6a6774feda87f1b61d67f9d3c8bb6308b12
20/03/2026
Remediation Steps:
Immediately isolate the infected system. Perform a comprehensive antimalware scan and ensure all detected malicious files, scheduled tasks, and registry modifications are removed. Thoroughly investigate for any signs of lateral movement, data exfiltration, or further compromise, and restore the system from a trusted clean backup if necessary.
=== END REPORT ===
$ reanalyze-threat
This analysis was last updated on 20/03/2026. Do you want to analyze it again?
$ ls available-commands/
user@threatcheck.sh:~$