Apt73 Ransomware

Description Summary

A new ransomware group is said to have emerged in mid-April 2024, under the name 'APT73.' It's worth noting that the group reportedly self-proclaimed as an APT, which stands for 'Advanced Persistent Threat' in the cybersecurity field.

According to research, much of the available information about the aforementioned group came from another ransomware group known as LockBit.
Source: https://github.com/crocodyli/ThreatActors-TTPs

Threat Actor

Operator/affiliate cluster behind the Apt73 leak site. Detailed actor attribution is not available in curated public reporting.

Technical Indicators

Encryption Extension
Not publicly reported
Encryption Algorithm
Not publicly reported
Ransom Note Name
Not publicly reported
Targeted Industries
Cross-sector (per leak-site victim telemetry)
First Seen
Unknown
Last Seen
No public victim disclosures observed
Geographical Location
Global / not publicly profiled

MITRE ATT&CK Matrix

Tactic TTP Technique Name
Impact x 2 T1486 Data Encrypted for Impact
T1490 Inhibit System Recovery
Exfiltration x 1 T1567 Exfiltration Over Web Service (leak site)
Initial Access x 2 T1190 Exploit Public-Facing Application
T1078 Valid Accounts