General
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Target
2025-03-29_c76a257c598ebd667b0087e4a9f402d2_black-basta_ryuk
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Size
7.0MB
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Sample
250329-xsx6ds1jw9
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MD5
c76a257c598ebd667b0087e4a9f402d2
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SHA1
46fd98104fbede2ae63f29c3dbefa80f8053c35d
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SHA256
fd4d46fe4c57e2962d909acacbc4b404403103aa659d91ca808845fc0436aed2
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SHA512
5f8aa6e4db28faa559f40493ef426717783e6daaae414ece8b3c0098a92c17c378f5694324a7e1f5122bf53759797ecba3717bd988485cc65e9f72eef74e86ad
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SSDEEP
98304:7DRzH2RG+W+5QUQ/npkWMibVb+o6LSStoY4i:7DRzH2SfDJ16uAR
Static task
static1
Behavioral task
behavioral1
Sample
2025-03-29_c76a257c598ebd667b0087e4a9f402d2_black-basta_ryuk.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
2025-03-29_c76a257c598ebd667b0087e4a9f402d2_black-basta_ryuk.exe
Resource
win10v2004-20250314-en
Malware Config
Extracted
C:\dfe2e59cddd00040f555dab607351a1d\RESTORE_FILES.txt
azov
Targets
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Target
2025-03-29_c76a257c598ebd667b0087e4a9f402d2_black-basta_ryuk
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Size
7.0MB
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MD5
c76a257c598ebd667b0087e4a9f402d2
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SHA1
46fd98104fbede2ae63f29c3dbefa80f8053c35d
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SHA256
fd4d46fe4c57e2962d909acacbc4b404403103aa659d91ca808845fc0436aed2
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SHA512
5f8aa6e4db28faa559f40493ef426717783e6daaae414ece8b3c0098a92c17c378f5694324a7e1f5122bf53759797ecba3717bd988485cc65e9f72eef74e86ad
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SSDEEP
98304:7DRzH2RG+W+5QUQ/npkWMibVb+o6LSStoY4i:7DRzH2SfDJ16uAR
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Azov family
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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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Adds Run key to start application
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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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MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1