General
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Target
freehacks.exe
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Size
105.5MB
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Sample
241224-endl3s1qan
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MD5
4647bc264b4344c7ca47ae9adc130ba9
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SHA1
08280768ffd55e06203fc8f13d3e6f1745c7ee0c
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SHA256
742e3f0ca6967c947c99cbbff7f3eaa7f5059a1bba1714a20afee3d85312a439
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SHA512
9d2a9f90746e74819c441da86086fc716f2e9f54fbf77e4a1cfec2badb1d64b9fe0ba3e3f5304ad797613c27cb038fbddc551d4824b6445ab5f8d063e1424981
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SSDEEP
3145728:iZGbexf7I4RniT0BEI43vBrYwY+pOhdFs8rBb:isbexTi64/Bbp0KG
Static task
static1
Malware Config
Extracted
C:\Users\Admin\Documents\@[email protected]
wannacry
115p7UMMngoj1pMvkpHijcRdfJNXj6LrLn
Extracted
C:\Users\TMSUBXJNH-MANUAL.txt
gandcrab
http://gandcrabmfe6mnef.onion/c21c0c0b91792d23
Extracted
C:\Recovery\README_HOW_TO_UNLOCK.TXT
http://zvnvp2rhe3ljwf2m.onion
Extracted
C:\Users\Admin\AppData\Roaming\!Please Read Me!.txt
wannacry
15zGqZCTcys6eCjDkE3DypCjXi6QWRV6V1
Extracted
C:\$Recycle.Bin\S-1-5-21-4050598569-1597076380-177084960-1000\IPJPNDASA-MANUAL.txt
gandcrab
http://gandcrabmfe6mnef.onion/6832d5d6f8086adc
Targets
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Target
freehacks.exe
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Size
105.5MB
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MD5
4647bc264b4344c7ca47ae9adc130ba9
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SHA1
08280768ffd55e06203fc8f13d3e6f1745c7ee0c
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SHA256
742e3f0ca6967c947c99cbbff7f3eaa7f5059a1bba1714a20afee3d85312a439
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SHA512
9d2a9f90746e74819c441da86086fc716f2e9f54fbf77e4a1cfec2badb1d64b9fe0ba3e3f5304ad797613c27cb038fbddc551d4824b6445ab5f8d063e1424981
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SSDEEP
3145728:iZGbexf7I4RniT0BEI43vBrYwY+pOhdFs8rBb:isbexTi64/Bbp0KG
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Gandcrab family
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Hawkeye family
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Wannacry family
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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Modifies Windows Firewall
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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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File and Directory Permissions Modification: Windows File and Directory Permissions Modification
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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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System Binary Proxy Execution: Verclsid
Adversaries may abuse Verclsid to proxy execution of malicious code.
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AutoIT Executable
AutoIT scripts compiled to PE executables.
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MITRE ATT&CK Enterprise v15
Execution
Scheduled Task/Job
1Scheduled Task
1Windows Management Instrumentation
1Persistence
Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Direct Volume Access
1File and Directory Permissions Modification
2Windows File and Directory Permissions Modification
1Hide Artifacts
1Hidden Files and Directories
1Impair Defenses
1Disable or Modify System Firewall
1Indicator Removal
2File Deletion
2Modify Registry
1System Binary Proxy Execution
1Verclsid
1