HOMETHREATSUnidentified 103 (FIN8)
MALWARE FAMILY💰 FINANCIALHIGH

Unidentified 103 (FIN8)

Internal ID: win.unidentified_103
1
aliases
Last seen:Mar 17, 2026

Intelligence Profile

A malware that uses .NET to load unmanaged (shell)code which has some resemblance to BADHATCH, the IP found in the sample was referred to in coverage on WHITERABBIT ransomware attacks.

Threat Analysis

Unidentified 103 (FIN8) is a malware family tracked by threat intelligence researchers and catalogued in the Malpedia dataset. It represents a distinct malicious software lineage with identifiable code characteristics, behaviors, and victimology.

Financially motivated threat actors like Unidentified 103 (FIN8) prioritize monetary gain through methods such as ransomware deployment, banking trojans, cryptocurrency theft, BEC scams, or credential harvesting for resale on underground markets.

With high sophistication, Unidentified 103 (FIN8) is capable of targeted intrusions using adapted commodity tools alongside custom implants, maintaining operational security and evading standard detection mechanisms.

External References

Quick Facts

TypeMalware Family
Motivation💰 financial
Sophisticationhigh
Aliases1

Also Known As

win.unidentified_103

Research Links

Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.
Unidentified 103 (FIN8) — Malware Family | Threat Intelligence | CTIWATCH.COM