General
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Target
https://github.com/LeechxSys/Jigsawsource
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Sample
240516-jtdw9abd83
Score
10/10
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://github.com/LeechxSys/Jigsawsource
Resource
win10v2004-20240426-en
windows10-2004-x64
20 signatures
1800 seconds
Malware Config
Targets
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Target
https://github.com/LeechxSys/Jigsawsource
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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Renames multiple (3783) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Adds Run key to start application
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Drops file in System32 directory
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