General
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Target
0b03bf1c7b596a862978999eebfa0703e6de48912c9a57e2fed3ae5cd747bea7
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Size
1.2MB
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Sample
230713-3c93xabe73
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MD5
76b640aa00354e46b29ca7ac2adfd732
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SHA1
afebf9d72ba7186afefebf4deda87675621b0b8b
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SHA256
0b03bf1c7b596a862978999eebfa0703e6de48912c9a57e2fed3ae5cd747bea7
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SHA512
fecb15238714c786098f1dd0bb18696ab15634228ec3a48c900fd843e817d4c24607bdf6fb58e0321da3e1c1e49305ec919dddabbd34727acec8fbd6cb6fd552
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SSDEEP
24576:l/SA+2lraRrjSJR5ezmT1dM9tZBrPyvaNn:zXlabPyyN
Static task
static1
Behavioral task
behavioral1
Sample
0b03bf1c7b596a862978999eebfa0703e6de48912c9a57e2fed3ae5cd747bea7.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
0b03bf1c7b596a862978999eebfa0703e6de48912c9a57e2fed3ae5cd747bea7.exe
Resource
win10v2004-20230703-en
Malware Config
Extracted
http://myexternalip.com/raw
Extracted
C:\Program Files (x86)\Microsoft Office\Office14\1033\QuickStyles\#FOX_README#.rtf
https://bitmsg.me
https://bitmsg.me/users/sign_up
https://bitmsg.me/users/sign_in
Extracted
C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\Annotations\Stamps\ENU\#FOX_README#.rtf
https://bitmsg.me
https://bitmsg.me/users/sign_up
https://bitmsg.me/users/sign_in
Targets
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Target
0b03bf1c7b596a862978999eebfa0703e6de48912c9a57e2fed3ae5cd747bea7
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Size
1.2MB
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MD5
76b640aa00354e46b29ca7ac2adfd732
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SHA1
afebf9d72ba7186afefebf4deda87675621b0b8b
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SHA256
0b03bf1c7b596a862978999eebfa0703e6de48912c9a57e2fed3ae5cd747bea7
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SHA512
fecb15238714c786098f1dd0bb18696ab15634228ec3a48c900fd843e817d4c24607bdf6fb58e0321da3e1c1e49305ec919dddabbd34727acec8fbd6cb6fd552
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SSDEEP
24576:l/SA+2lraRrjSJR5ezmT1dM9tZBrPyvaNn:zXlabPyyN
Score10/10-
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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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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Executes dropped EXE
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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