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REFERENCEPUBLIC INTELLIGENCE

Agent Tesla - S0331

Name of ATT&CK software | [Agent Tesla](https://attack.mitre.org/software/S0331) is a spyware Trojan written for the .NET framework that has been observed since at least 2014.(Citation: Fortinet Agent Tesla April 2018)(Citation: Bitdefender Agent Tesla April 2020)(Citation: Malwarebytes Agent Tesla April 2020)

Reference details

Primary displayed family label
Agent Tesla - S0331
Source context
2023/07/malicious-campaigns-target-entities-in-ukraine-poland.json
First reported
2022-11-09 12:55 UTC
Last reported
2023-07-13 11:00 UTC
Catalog updated
2026-10-08 05:42 UTC

Source family labels

Agent Tesla - S0331

Tags

misp:galaxy-name="Malware"misp:galaxy-type="mitre-malware"misp-galaxy:mitre-malware="Agent Tesla - S0331"

Published indicators

Network addresses are displayed in defanged form.

No file hashes or network indicators were published in this record.

Source observations

Cisco Talos published IOCs ↗

Evidence class
provider reported
Source family label
Agent Tesla - S0331
Source confidence
Not reported
Observed
2023-07-13 11:00 UTC
Retrieved
2026-10-08 05:42 UTC

Cisco Talos published IOCs ↗

Evidence class
provider reported
Source family label
Agent Tesla - S0331
Source confidence
Not reported
Observed
2022-11-09 12:55 UTC
Retrieved
2026-10-08 04:33 UTC

Research references