General
- Target Chaos Ransomware Builder.exe
- Size 550KB
- Sample240323-nxzeksff97
- SHA256 f2665f89ba53abd3deb81988c0d5194992214053e77fc89b98b64a31a7504d77
Score
10/10
Malware Config
Targets
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- Target Chaos Ransomware Builder.exe
- Size 550KB
- SHA256 f2665f89ba53abd3deb81988c0d5194992214053e77fc89b98b64a31a7504d77
Score10/10-
Chaos
Ransomware family first seen in June 2021.
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Chaos Ransomware
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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Modifies boot configuration data using bcdedit
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Deletes backup catalog
Uses wbadmin.exe to inhibit system recovery.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Drops startup file
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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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Drops desktop.ini file(s)
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Sets desktop wallpaper using registry