General
- Target 39af0a49bb92b25df0a2c3b8f9eb735beadb0da379df6e494e6d894fb1e7746b
- Size 272KB
- Sample260825-vcl23swdnh
- SHA256 39af0a49bb92b25df0a2c3b8f9eb735beadb0da379df6e494e6d894fb1e7746b
Score
10/10
Malware Config
Targets
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- Target 39af0a49bb92b25df0a2c3b8f9eb735beadb0da379df6e494e6d894fb1e7746b
- Size 272KB
- SHA256 39af0a49bb92b25df0a2c3b8f9eb735beadb0da379df6e494e6d894fb1e7746b
Score10/10-
Detects Rahiwi worm
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Family: Rahiwi
Rahiwi is a Windows worm written in VisualBasic.
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Modifies WinLogon for persistence
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Modifies visibility of file extensions in Explorer
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Modifies visibility of hidden/system files in Explorer
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Disables RegEdit via registry modification
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Disables Task Manager via registry modification
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Disables cmd.exe use via registry modification
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Disables use of System Restore points
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Executes dropped EXE
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Loads dropped DLL
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Modifies system executable filetype association
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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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Modifies WinLogon
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Drops autorun.inf file
Malware can abuse Windows Autorun to spread further via attached volumes.
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Drops file in System32 directory
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UPX packed file
Detects executables packed with UPX/modified UPX open source packer.
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
1Winlogon Helper DLL
2Event Triggered Execution
1Change Default File Association
1Privilege Escalation
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
1Winlogon Helper DLL
2Event Triggered Execution
1Change Default File Association
1Defense Evasion
Hide Artifacts
2Hidden Files and Directories
2Modify Registry
9