General
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Target
https://github.com/Endermanch/MalwareDatabase
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Sample
240410-xxlm6aha68
Malware Config
Extracted
C:\Users\Admin\AppData\Local\Temp\Temp1_WannaCrypt0r.zip\@Please_Read_Me@.txt
wannacry
12t9YDPgwueZ9NyMgw519p7AA8isjr6SMw
Targets
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Target
https://github.com/Endermanch/MalwareDatabase
Score10/10-
BadRabbit
Ransomware family discovered in late 2017, mainly targeting Russia and Ukraine.
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InfinityLock Ransomware
Also known as InfinityCrypt. Based on the open-source HiddenTear ransomware.
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Modifies WinLogon for persistence
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Wannacry
WannaCry is a ransomware cryptoworm.
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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Blocklisted process makes network request
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Modifies Installed Components in the registry
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Drops startup file
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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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Reads user/profile data of web browsers
Infostealers often target stored browser data, which can include saved credentials etc.
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UPX packed file
Detects executables packed with UPX/modified UPX open source packer.
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Adds Run key to start application
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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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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Legitimate hosting services abused for malware hosting/C2
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Drops file in System32 directory
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Sets desktop wallpaper using registry
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Suspicious use of SetThreadContext
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MITRE ATT&CK Matrix ATT&CK v13
Persistence
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
2Winlogon Helper DLL
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
2Winlogon Helper DLL
1Scheduled Task/Job
1Defense Evasion
Modify Registry
8Indicator Removal
1File Deletion
1File and Directory Permissions Modification
1Subvert Trust Controls
1Install Root Certificate
1Hide Artifacts
1Hidden Files and Directories
1