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Paper Abstract and Keywords
Presentation 2024-03-21 11:20
Analyzing Attackers and Victims Actions via LockBit3.0 Website Data Dynamics
Yuji Sekine, Yin Minn Pa Pa, Katsunari Yoshioka, Tsutomu Matsumoto (YNU) ICSS2023-70
Abstract (in Japanese) (See Japanese page) 
(in English) LockBit3.0 is one of the top ransomware groups that has been active since July 2022, targeting over 1,000 companies. In February 2024, Operation Cronos, an international law enforcement operation, took down the servers involved, froze the cryptocurrency accounts, and arrested the people involved, but at the time of writing this research report, the details of the operation are not yet known. LockBit3.0 operates as a RaaS (Ransomware as a Service) model, expose victim information and leaked data on their darkweb website while selling the leaked data to the third parties. The information exposed on their website may change according to the victim's negotiation. However, how these changes are related to the victims' actions such as negotiation, extension of ransomware payment deadline has not been well studied. In this study, we monitor LockBit3.0 website over a 166-days period to analyze how the changes of victim information and ransomware payment deadline relate to the actions of attackers and victims.
Keyword (in Japanese) (See Japanese page) 
(in English) Ransomware / Malware / Threat Intelligence / LockBit / / / /  
Reference Info. IEICE Tech. Rep., vol. 123, no. 448, ICSS2023-70, pp. 9-16, March 2024.
Paper # ICSS2023-70 
Date of Issue 2024-03-14 (ICSS) 
ISSN Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF ICSS2023-70

Conference Information
Committee ICSS IPSJ-SPT  
Conference Date 2024-03-21 - 2024-03-22 
Place (in Japanese) (See Japanese page) 
Place (in English) OIST 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Security, Trust, etc. 
Paper Information
Registration To ICSS 
Conference Code 2024-03-ICSS-SPT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Analyzing Attackers and Victims Actions via LockBit3.0 Website Data Dynamics 
Sub Title (in English)  
Keyword(1) Ransomware  
Keyword(2) Malware  
Keyword(3) Threat Intelligence  
Keyword(4) LockBit  
Keyword(5)  
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1st Author's Name Yuji Sekine  
1st Author's Affiliation Yokohama National University (YNU)
2nd Author's Name Yin Minn Pa Pa  
2nd Author's Affiliation Yokohama National University (YNU)
3rd Author's Name Katsunari Yoshioka  
3rd Author's Affiliation Yokohama National University (YNU)
4th Author's Name Tsutomu Matsumoto  
4th Author's Affiliation Yokohama National University (YNU)
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Speaker Author-1 
Date Time 2024-03-21 11:20:00 
Presentation Time 25 minutes 
Registration for ICSS 
Paper # ICSS2023-70 
Volume (vol) vol.123 
Number (no) no.448 
Page pp.9-16 
#Pages 8 
Date of Issue 2024-03-14 (ICSS) 

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