General
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Target
f92a631f2f12e7ba8c9d031a31b5f4c1158e140665c5d081db55f67b11fb4a14
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Size
2.4MB
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Sample
201008-4galjyamzs
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MD5
c13d671ed16399a2b430c79b3200b425
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SHA1
9acfb64b5617566d97a9ded3b295915035b3e3e7
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SHA256
f92a631f2f12e7ba8c9d031a31b5f4c1158e140665c5d081db55f67b11fb4a14
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SHA512
1e4a9d96b8c0c3f967ccf52f7a3360e5a28929420475e565318c82e38fb75ed3039605f95d6e466e0d4f06100c4145800ca6bea2548d3d1ad89cc0d1093beef6
Static task
static1
Behavioral task
behavioral1
Sample
f92a631f2f12e7ba8c9d031a31b5f4c1158e140665c5d081db55f67b11fb4a14.exe
Resource
win7v200722
Behavioral task
behavioral2
Sample
f92a631f2f12e7ba8c9d031a31b5f4c1158e140665c5d081db55f67b11fb4a14.exe
Resource
win10
Malware Config
Extracted
http://myexternalip.com/raw
Targets
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Target
f92a631f2f12e7ba8c9d031a31b5f4c1158e140665c5d081db55f67b11fb4a14
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Size
2.4MB
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MD5
c13d671ed16399a2b430c79b3200b425
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SHA1
9acfb64b5617566d97a9ded3b295915035b3e3e7
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SHA256
f92a631f2f12e7ba8c9d031a31b5f4c1158e140665c5d081db55f67b11fb4a14
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SHA512
1e4a9d96b8c0c3f967ccf52f7a3360e5a28929420475e565318c82e38fb75ed3039605f95d6e466e0d4f06100c4145800ca6bea2548d3d1ad89cc0d1093beef6
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Matrix Ransomware
Targeted ransomware with information collection and encryption functionality.
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Modifies boot configuration data using bcdedit
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Blacklisted 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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Loads dropped DLL
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Modifies file permissions
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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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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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Modifies service
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Sets desktop wallpaper using registry
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MITRE ATT&CK Enterprise v6
Persistence
Modify Existing Service
1Registry Run Keys / Startup Folder
1Scheduled Task
1Defense Evasion
File Deletion
2File and Directory Permissions Modification
1Modify Registry
3