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General
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Target
https://github.com/Pyran1/MalwareCollection/raw/refs/heads/master/Ransomware/Ransomware.Jigsaw.zip
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Sample
250224-nppkeazny2
Score
10/10
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://github.com/Pyran1/MalwareCollection/raw/refs/heads/master/Ransomware/Ransomware.Jigsaw.zip
Resource
win10v2004-20250217-en
17 signatures
900 seconds
Malware Config
Targets
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Target
https://github.com/Pyran1/MalwareCollection/raw/refs/heads/master/Ransomware/Ransomware.Jigsaw.zip
Score10/10-
Jigsaw Ransomware
Ransomware family first created in 2016. Named based on wallpaper set after infection in the early versions.
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Jigsaw family
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Renames multiple (2888) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Executes dropped EXE
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Adds Run key to start application
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Legitimate hosting services abused for malware hosting/C2
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