General
- Target Ransomware.Jigsaw.exe
- Size 283KB
- Sample240630-m2967szdpl
- SHA256 3ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7
Malware Config
Targets
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- Target Ransomware.Jigsaw.exe
- Size 283KB
- SHA256 3ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7
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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Process spawned unexpected child process
This typically indicates the parent process was compromised via an exploit or macro.
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Renames multiple (3762) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Boot or Logon Autostart Execution: Active Setup
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
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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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Reads user/profile data of web browsers
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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Drops file in System32 directory
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Privilege Escalation
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1