user@threatcheck.sh ~ threat-analysis
bash
$ analyze-threat Trojan:MSIL/Formbook.CE!MTB
Trojan:MSIL/Formbook.CE!MTB - Windows Defender threat signature analysis

Trojan:MSIL/Formbook.CE!MTB - Windows Defender Threat Analysis

$ cat analysis.txt
=== THREAT ANALYSIS REPORT ===
Threat Name: Trojan:MSIL/Formbook.CE!MTB
Classification:
Type:Trojan
Platform:MSIL
Family:Formbook
Detection Type:Concrete
Known malware family with identified signatures
Variant:CE
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 .NET (Microsoft Intermediate Language) platform, family Formbook

Summary:

This is the Formbook infostealer trojan, which was likely delivered via a malicious email attachment opened in Outlook. The malware establishes persistence by creating a Run registry key and communicates with a command-and-control server to exfiltrate sensitive data like credentials and keystrokes.

Severity:
Medium
VDM Static Detection:
No detailed analysis available from definition files.
Known malware which is associated with this threat:
Filename: RFQ Q25.280 to 331 - Consumables Closing Nov 14th 2025- SAVIMEDS- Sudhir.exe
abb228e4b89956fc89b8c559ead149354a0c64623f44905fa70c05f4ebfe7b4b
11/11/2025
→VirusTotal↓Download Sample
Remediation Steps:
Isolate the host from the network. Remove the dropped file (aurora.exe) and its associated Run registry key. Since Formbook is an infostealer, reset the user's passwords and investigate the source email.
=== END REPORT ===
$ reanalyze-threat
This analysis was last updated on 11/11/2025. Do you want to analyze it again?
$ ls available-commands/
→ cd /home
user@threatcheck.sh:~$ ▊