General
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Target
2025-03-13_79bc52fbe4be7638d393ae7e3e185ea5_wannacry
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Size
103KB
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Sample
250313-mnllpazzaz
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MD5
79bc52fbe4be7638d393ae7e3e185ea5
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SHA1
4e402d19196a444fb78f3597a3cb06bd39aee262
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SHA256
d9b2d86086d39cc3edab32a2320b3579c84ee5f67227ca7b16fd1a8cd72d09aa
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SHA512
768047ebc60b722a98587c050849a4cf238076220c49ef39d52a3fac3cf60ea4cdec627714df84b744b03a36a48fa29422f7fbff7bf564b4d8bb0cf4c505361c
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SSDEEP
1536:WNc9pooe6gq9Whz7mEglaXi2OPTOlkBysc1XDoCaJZUHDrGjy4JHjvET06d:xM6gq9WlybAi2CO6vc1IHUHPhgEd
Behavioral task
behavioral1
Sample
2025-03-13_79bc52fbe4be7638d393ae7e3e185ea5_wannacry.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2025-03-13_79bc52fbe4be7638d393ae7e3e185ea5_wannacry.exe
Resource
win10v2004-20250217-en
Malware Config
Targets
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Target
2025-03-13_79bc52fbe4be7638d393ae7e3e185ea5_wannacry
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Size
103KB
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MD5
79bc52fbe4be7638d393ae7e3e185ea5
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SHA1
4e402d19196a444fb78f3597a3cb06bd39aee262
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SHA256
d9b2d86086d39cc3edab32a2320b3579c84ee5f67227ca7b16fd1a8cd72d09aa
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SHA512
768047ebc60b722a98587c050849a4cf238076220c49ef39d52a3fac3cf60ea4cdec627714df84b744b03a36a48fa29422f7fbff7bf564b4d8bb0cf4c505361c
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SSDEEP
1536:WNc9pooe6gq9Whz7mEglaXi2OPTOlkBysc1XDoCaJZUHDrGjy4JHjvET06d:xM6gq9WlybAi2CO6vc1IHUHPhgEd
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Chaos Ransomware
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Chaos family
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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Modifies boot configuration data using bcdedit
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Disables Task Manager via registry modification
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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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Drops desktop.ini file(s)
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Sets desktop wallpaper using registry
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MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Direct Volume Access
1Indicator Removal
3File Deletion
3Modify Registry
2Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1