General
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Target
2025-03-06_896fbf3838f3cc71e9b651fdb46ddb06_ryuk
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Size
2.8MB
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Sample
250306-xhbveawjs4
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MD5
896fbf3838f3cc71e9b651fdb46ddb06
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SHA1
081d630502e820ab5c3489b21bfc8242790c4537
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SHA256
8390df4f8dc9430a5896eadd1edf330bec8867f4abdfa7f619eb3c994699bbd8
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SHA512
2dba44cc797b147ec8f188d7626734f61f34abbfe4d5476c13c8277cc39f631511eee35b2f154de2180d58c2e9492a383c0a4f59d3de3a3fbc1cab372bef6762
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SSDEEP
49152:1ypXywS6mCa507NUUWn043oHS3fLYwVq1/xT3DDbw0TUqyKxP78:TChSDYw8yixPw
Static task
static1
Behavioral task
behavioral1
Sample
2025-03-06_896fbf3838f3cc71e9b651fdb46ddb06_ryuk.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2025-03-06_896fbf3838f3cc71e9b651fdb46ddb06_ryuk.exe
Resource
win10v2004-20250217-en
Malware Config
Targets
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Target
2025-03-06_896fbf3838f3cc71e9b651fdb46ddb06_ryuk
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Size
2.8MB
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MD5
896fbf3838f3cc71e9b651fdb46ddb06
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SHA1
081d630502e820ab5c3489b21bfc8242790c4537
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SHA256
8390df4f8dc9430a5896eadd1edf330bec8867f4abdfa7f619eb3c994699bbd8
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SHA512
2dba44cc797b147ec8f188d7626734f61f34abbfe4d5476c13c8277cc39f631511eee35b2f154de2180d58c2e9492a383c0a4f59d3de3a3fbc1cab372bef6762
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SSDEEP
49152:1ypXywS6mCa507NUUWn043oHS3fLYwVq1/xT3DDbw0TUqyKxP78:TChSDYw8yixPw
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Azov family
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Renames multiple (8233) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Credentials from Password Stores: Windows Credential Manager
Suspicious access to Credentials History.
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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
2Credentials from Web Browsers
1Windows Credential Manager
1Unsecured Credentials
1Credentials In Files
1