user@threatcheck.sh ~ threat-analysis
bash
$ analyze-threat Trojan:JS/Obfuse.PV!MTB
Trojan:JS/Obfuse.PV!MTB - Windows Defender threat signature analysis

Trojan:JS/Obfuse.PV!MTB - Windows Defender Threat Analysis

$ cat analysis.txt
=== THREAT ANALYSIS REPORT ===
Threat Name: Trojan:JS/Obfuse.PV!MTB
Classification:
Type:Trojan
Platform:JS
Family:Obfuse
Detection Type:Concrete
Known malware family with identified signatures
Variant:PV
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 JavaScript platform, family Obfuse

Summary:

This is an obfuscated JavaScript Trojan detected via concrete behavioral analysis. It typically originates from a macro-enabled document, downloads additional malicious payloads, establishes persistence by modifying system files and templates, and silently executes commands using Windows utilities like WScript.Shell, mshta.exe, and regsvr32.

Severity:
Critical
VDM Static Detection:
Relevant strings associated with this threat:
 - .VB_ProcData.VB_Invoke_Func = "Project.MacroBle.AutoOpen" (MACROHSTR_EXT)
 - .SaveAs (GetPath$ + "NORMAL1.DOT") (MACROHSTR_EXT)
 -  + "cript.shell") (MACROHSTR_EXT)
 - String = "c:\programdata\ (MACROHSTR_EXT)
 - (0) + "vr32 c:\programdata\ (MACROHSTR_EXT)
 - .txt", "ws" (MACROHSTR_EXT)
 - .pdf", "ws" (MACROHSTR_EXT)
 - .Open "GET (MACROHSTR_EXT)
 - .responsebody (MACROHSTR_EXT)
 - = CreateObject("WScript.Shell") (MACROHSTR_EXT)
 - = CreateObject("Scripting.FileSystemObject") (MACROHSTR_EXT)
 - (Environ("USERPROFILE") + "\Documents\" + "qX2xpJ5V.txt") Then (MACROHSTR_EXT)
 - mp4klgzo.CreateFolder (pacbhdvc) (MACROHSTR_EXT)
 - = q87fpor4.Run("wscript.exe //b " + Chr(34) + qs + Chr(34), 4, False) (MACROHSTR_EXT)
 - !#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:ExecutionGuardrails (PEHSTR_EXT)
 - !#HSTR:StringCodeForFileDeletion.A!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForHooking.M!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForNetshHelperDLL.A!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForRemoteServices.A!pli (PEHSTR_EXT)
Known malware which is associated with this threat:
Filename: shipment details.js
743ee294d9419a39cb0d15ad32ced4d3d78886eb98e34a39bfea2856b51b8295
18/12/2025
→VirusTotal↓Download Sample
Filename: Paymnet_slip.js
22c82e599efee60dfcc61674e315922cafe2a44fce11f67bbc97754bcb664ee9
18/12/2025
→VirusTotal↓Download Sample
Filename: Paymnet Advice.js
3a3a7bf17331c8f6faa3b0dfb109cda4154f0a999f0b27a293e29439c10a94ee
09/12/2025
→VirusTotal↓Download Sample
Filename: TT COPY.js
d320aba8582e9d6f494bc7f49b954e904fac0b71bd499e801c7d9f7524ffda53
09/12/2025
→VirusTotal↓Download Sample
Remediation Steps:
Isolate the affected host immediately. Perform a full system scan to ensure all malicious components are removed. Review system logs for persistence mechanisms and block any identified command-and-control (C2) domains or IPs at the network perimeter.
=== END REPORT ===
$ reanalyze-threat
This analysis was last updated on 08/12/2025. Do you want to analyze it again?
$ ls available-commands/
→ cd /home
user@threatcheck.sh:~$ ▊