🔐The DLL file embedded in WannaCry is decrypted using an AES key.
🔑The AES key is derived from the RSA key present in the malware.
📂The decrypted DLL is loaded and executed, enabling the ransomware's functionalities.
👨💻The analyzed functions in the malware involve mutex creation, path handling, and function pointer initialization.
🧪Various test data strings are used in the decryption process.
What does the DLL file in WannaCry contain?
—The DLL file contains the actual ransomware functionalities.
How is the DLL file decrypted?
—The DLL file is decrypted using an AES key derived from the RSA key present in the malware.
What functions are involved in the decryption and execution process?
—The functions in the malware involve mutex creation, path handling, and function pointer initialization.
What role does the RSA key play in the decryption process?
—The RSA key is used to derive the AES key necessary for decrypting the embedded DLL file.
Are there any notable strings used in the decryption process?
—Various test data strings are used in the decryption process.
00:00Introduction to the second part of analyzing the WannaCry ransomware.
02:50Decrypting the AES key using the embedded RSA key in the malware.
06:28Analyzing the functions involved in the decryption and execution process.
09:58Reconstructing the decrypted DLL file.
11:38Exploring the execution of the decrypted DLL file.
