General
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Target
91d07adbf35edb6bb96e7b210f17b9b868ed858802727d6f69c1e5a2d37a9c53
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Size
1.2MB
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Sample
220201-kjzawacbf6
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MD5
1fa1b6d4b3ed867c1d4baffc77417611
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SHA1
afb5e385f9cc8910d7a970b6c32b8d79295579da
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SHA256
91d07adbf35edb6bb96e7b210f17b9b868ed858802727d6f69c1e5a2d37a9c53
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SHA512
0600b92914a7489a6428b8e4217e5f24e1d149fc5807d86cc4de91b43be2470a1ddf77093c8732d4371a87fd163cc556e09d11a2c6655382a35a5f5741ae05a5
Static task
static1
Behavioral task
behavioral1
Sample
91d07adbf35edb6bb96e7b210f17b9b868ed858802727d6f69c1e5a2d37a9c53.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
91d07adbf35edb6bb96e7b210f17b9b868ed858802727d6f69c1e5a2d37a9c53.exe
Resource
win10v2004-en-20220113
Malware Config
Extracted
http://myexternalip.com/raw
Targets
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Target
91d07adbf35edb6bb96e7b210f17b9b868ed858802727d6f69c1e5a2d37a9c53
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Size
1.2MB
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MD5
1fa1b6d4b3ed867c1d4baffc77417611
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SHA1
afb5e385f9cc8910d7a970b6c32b8d79295579da
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SHA256
91d07adbf35edb6bb96e7b210f17b9b868ed858802727d6f69c1e5a2d37a9c53
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SHA512
0600b92914a7489a6428b8e4217e5f24e1d149fc5807d86cc4de91b43be2470a1ddf77093c8732d4371a87fd163cc556e09d11a2c6655382a35a5f5741ae05a5
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Matrix Ransomware
Targeted ransomware with information collection and encryption functionality.
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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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Sets service image path in registry
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Loads dropped DLL
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Modifies file permissions
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Drops desktop.ini file(s)
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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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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