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Threat Group Cards: A Threat Actor Encyclopedia

Tool: Proxysvc

Names	Proxysvc
Category	Malware
Type	Backdoor, Tunneling
Description	Proxysvc is a malicious DLL used by Lazarus Group in a campaign known as Operation GhostSecret. It has appeared to be operating undetected since 2017 and was mostly observed in higher education organizations. The goal of Proxysvc is to deliver additional payloads to the target and to maintain control for the attacker. It is in the form of a DLL that can also be executed as a standalone process.
Information	<https://www.mcafee.com/blogs/other-blogs/mcafee-labs/analyzing-operation-ghostsecret-attack-seeks-to-steal-data-worldwide/>
MITRE ATT&CK	<https://attack.mitre.org/software/S0238/>
AlienVault OTX	<https://otx.alienvault.com/browse/pulses?q=tag:proxysvc>

Last change to this tool card: 22 April 2020

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All groups using tool Proxysvc

Changed	Name	Country	Observed
APT groups
	Lazarus Group, Hidden Cobra, Labyrinth Chollima		2007-Sep 2024

1 group listed (1 APT, 0 other, 0 unknown)

Digital Service Security Center
Electronic Transactions Development Agency

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