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Threat Group Cards: A Threat Actor Encyclopedia

Tool: Agent Tesla

Names	Agent Tesla AgentTesla AgenTesla Origin Logger Negasteal ZPAQ
Category	Malware
Type	Keylogger, Info stealer
Description	(Fortinet) FortiGuard Labs recently captured some malware which was developed using the Microsoft .Net framework. I analyzed one of them, it's a new variant from AgentTasla family. In this blog, I’m going to show you how it is able to steal information from a victim’s machine. The malware was spread via a Microsoft Word document that contained an auto-executable malicious VBA Macro.
Information	<https://www.fortinet.com/blog/threat-research/in-depth-analysis-of-net-malware-javaupdtr.html> <https://blog.malwarebytes.com/threat-analysis/2020/04/new-agenttesla-variant-steals-wifi-credentials/> <https://researchcenter.paloaltonetworks.com/2017/09/unit42-analyzing-various-layers-agentteslas-packing/> <https://malwarebreakdown.com/2018/01/11/malspam-entitled-invoice-attched-for-your-reference-delivers-agent-tesla-keylogger/> <https://www.zscaler.com/blogs/research/agent-tesla-keylogger-delivered-using-cybersquatting> <https://www.fortinet.com/blog/threat-research/analysis-of-new-agent-tesla-spyware-variant.html> <https://thisissecurity.stormshield.com/2018/01/12/agent-tesla-campaign/> <https://blogs.forcepoint.com/security-labs/part-two-camouflage-netting> <https://www.deepinstinct.com/2020/07/02/agent-tesla-a-lesson-in-how-complexity-gets-you-under-the-radar/> <https://labs.sentinelone.com/agent-tesla-old-rat-uses-new-tricks-to-stay-on-top/> <https://www.area1security.com/blog/facemask-phishing-agent-tesla-malware/> <https://www.deepinstinct.com/2020/10/29/the-hasty-agent-agent-tesla-attack-uses-hastebin/> <https://cofense.com/strategic-analysis-agent-tesla-expands-targeting-and-networking-capabilities/> <https://news.sophos.com/en-us/2021/02/02/agent-tesla-amps-up-information-stealing-attacks/> <https://www.riskiq.com/blog/external-threat-management/agent-tesla-trend-analysis/> <https://www.fortinet.com/blog/threat-research/phishing-malware-hijacks-bitcoin-addresses-delivers-new-agent-tesla-variant> <https://securityaffairs.co/wordpress/123039/malware/agent-tesla-c2c-dumped.html> <https://www.fortinet.com/blog/threat-research/fake-purchase-order-used-to-deliver-agent-tesla> <https://unit42.paloaltonetworks.com/excel-add-ins-malicious-xll-files-agent-tesla/> <https://unit42.paloaltonetworks.com/malicious-compiled-html-help-file-agent-tesla/> <https://cofense.com/blog/the-rise-of-agent-tesla-understanding-the-notorious-keylogger/> <https://www.fortinet.com/blog/threat-research/agent-tesla-variant-spread-by-crafted-excel-document> <https://www.mcafee.com/blogs/other-blogs/mcafee-labs/agent-teslas-unique-approach-vbs-and-steganography-for-delivery-and-intrusion/> <https://asec.ahnlab.com/en/57546/> <https://www.gdatasoftware.com/blog/2023/11/37822-agent-tesla-zpaq> <https://www.forcepoint.com/blog/x-labs/agent-tesla-malware-attacks-travel-industry> <https://www.trustwave.com/en-us/resources/blogs/spiderlabs-blog/agent-teslas-new-ride-the-rise-of-a-novel-loader/> <https://blog.checkpoint.com/research/agent-tesla-targeting-united-states-australia-revealing-the-attackers-identities/> <https://cofense.com/blog/agent-tesla-the-punches-keep-coming/> <https://www.fortinet.com/blog/threat-research/new-agent-tesla-campaign-targeting-spanish-speaking-people>
MITRE ATT&CK	<https://attack.mitre.org/software/S0331/>
Malpedia	<https://malpedia.caad.fkie.fraunhofer.de/details/win.agent_tesla>
AlienVault OTX	<https://otx.alienvault.com/browse/pulses?q=tag:AgentTesla>
Playbook	<https://pan-unit42.github.io/playbook_viewer/?pb=agent-tesla>

Last change to this tool card: 19 June 2024

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All groups using tool Agent Tesla

Changed	Name	Country	Observed
APT groups
	Aggah	[Unknown]	2018-Jun 2022
	Gorgon Group		2017-Jul 2020
	OPERA1ER	[Unknown]	2016-Jul 2023
	Operation Epic Manchego	[Unknown]	2020
	RATicate	[Unknown]	2019
	Sweed	[Unknown]	2017-2019
	TA2541	[Unknown]	2017

7 groups listed (7 APT, 0 other, 0 unknown)

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