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Threat Group Cards: A Threat Actor Encyclopedia

Tool: Graphite

Names	Graphite
Category	Malware
Type	Backdoor
Description	(Cluster25) Once obtained a new OAuth2 token, the Graphite malware will query the Microsoft GraphAPIs for new commands by enumerating the child files in the check OneDrive subdirectory. If a new file is found, the content is downloaded and decrypted through an AES-256-CBCdecryption algorithm. The monitoring of task executions and the uploading of their results is managed through a dedicated thread. Finally, the malware allows remote command execution by allocating a new region of memory and executing the received shellcode by calling a new dedicated thread.
Information	<https://blog.cluster25.duskrise.com/2022/09/23/in-the-footsteps-of-the-fancy-bear-powerpoint-graphite/> <https://www.trellix.com/en-gb/about/newsroom/stories/threat-labs/prime-ministers-office-compromised.html>
Malpedia	<https://malpedia.caad.fkie.fraunhofer.de/details/win.graphite>

Last change to this tool card: 27 December 2022

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All groups using tool Graphite

Changed	Name	Country	Observed
APT groups
	Sofacy, APT 28, Fancy Bear, Sednit		2004-Sep 2024

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

Digital Service Security Center
Electronic Transactions Development Agency

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