General
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Target
http://roblox.com
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Sample
230412-z7a1hsgg6v
Score
10/10
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
http://roblox.com
Resource
win10v2004-20230220-en
windows10-2004-x64
24 signatures
1800 seconds
Malware Config
Targets
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Target
http://roblox.com
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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Suspicious use of NtCreateProcessExOtherParentProcess
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Downloads MZ/PE file
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Modifies extensions of user files
Ransomware generally changes the extension on encrypted files.
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Executes dropped EXE
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Adds Run key to start application
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Drops desktop.ini file(s)
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Legitimate hosting services abused for malware hosting/C2
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