General
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Target
fdf5c750970f62c54c40df974fc775c873c8916097db05f2f3d11012c87cd107
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Size
2.6MB
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Sample
220306-f67tbaaag6
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MD5
99f0feb589d41c1465846e380d5cdc7d
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SHA1
bae92119e9d856e735ed605d2db42680c2dabfc7
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SHA256
fdf5c750970f62c54c40df974fc775c873c8916097db05f2f3d11012c87cd107
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SHA512
d8a35f82f4e9d506db76da2ae6ce64b5cc19e28bf74353a07c750ce07547d43ac626d186f5a2f5572ac71d86f2d37868f5837f4b369b8c514c7497b771d8cfef
Static task
static1
Behavioral task
behavioral1
Sample
fdf5c750970f62c54c40df974fc775c873c8916097db05f2f3d11012c87cd107.exe
Resource
win7-20220223-en
Behavioral task
behavioral2
Sample
fdf5c750970f62c54c40df974fc775c873c8916097db05f2f3d11012c87cd107.exe
Resource
win10v2004-en-20220112
Malware Config
Extracted
http://myexternalip.com/raw
Targets
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Target
fdf5c750970f62c54c40df974fc775c873c8916097db05f2f3d11012c87cd107
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Size
2.6MB
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MD5
99f0feb589d41c1465846e380d5cdc7d
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SHA1
bae92119e9d856e735ed605d2db42680c2dabfc7
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SHA256
fdf5c750970f62c54c40df974fc775c873c8916097db05f2f3d11012c87cd107
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SHA512
d8a35f82f4e9d506db76da2ae6ce64b5cc19e28bf74353a07c750ce07547d43ac626d186f5a2f5572ac71d86f2d37868f5837f4b369b8c514c7497b771d8cfef
Score10/10-
Matrix Ransomware
Targeted ransomware with information collection and encryption functionality.
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Modifies boot configuration data using bcdedit
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Blocklisted process makes network request
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Drops file in Drivers directory
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Executes dropped EXE
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Modifies extensions of user files
Ransomware generally changes the extension on encrypted files.
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Sets service image path in registry
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Loads dropped DLL
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Modifies file permissions
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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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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Drops file in System32 directory
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Sets desktop wallpaper using registry
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MITRE ATT&CK Enterprise v6
Persistence
Hidden Files and Directories
1Registry Run Keys / Startup Folder
1Scheduled Task
1Defense Evasion
File Deletion
2File and Directory Permissions Modification
1Hidden Files and Directories
1Modify Registry
2