| [ | |
| { | |
| "id": "re-real-001", | |
| "scenario": "WannaCry Ransomware - Reverse Engineering Analysis", | |
| "instruction": "Analyze the WannaCry ransomware through reverse engineering.", | |
| "input": "Sample: WannaCry.exe\nSHA256: ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa\n\nStatic Analysis:\n\n1. PE Analysis:\n - Compiler: Microsoft Visual C++ 8.0\n - Packer: None\n - Sections: .text, .rdata, .data, .rsrc\n\n2. Strings Analysis:\n - \"WNcry@2ol7\"\n - \"WNcry@2ol7\"\n - \".WNCRY\"\n - \"tasksche.exe\"\n - \"mssecsvc.exe\"\n - \"115p7UMMngoj1pMvkpHijcRdfJNXj6LrLn\"\n - \"13AM4VW2dhxYgXeQepoHkHSQuy6NgaEb94\"\n\n3. Import Analysis:\n - CreateServiceA\n - StartServiceCtrlDispatcherA\n - InternetOpenA\n - InternetConnectA\n - HttpOpenRequestA\n - HttpSendRequestA\n\n4. Resource Analysis:\n - R:1831 - Encrypted ZIP (password: WNcry@2ol7)\n - Contains: msg/m_bulgarian, msg/m_chinese, etc.\n\nDynamic Analysis:\n\n1. Process Behavior:\n - Creates service: mssecsvc2.0\n - Spawns: tasksche.exe\n - Connects to: iuqerfsodp9ifjaposdfjhgosurijfaewrwergwea.com\n\n2. File System:\n - Creates: C:\\ProgramData\\<random>\\\n - Drops: tasksche.exe, msg/*\n - Encrypts: *.WNCRY extension\n\n3. Network:\n - Kill switch: iuqerfsodp9ifjaposdfjhgosurijfaewrwergwea.com\n - SMB scanning: Port 445\n - EternalBlue exploit\n\nIndicators:\n- Extension: .WNCRY\n- Service: mssecsvc2.0\n- Process: tasksche.exe\n- Kill switch domain", | |
| "output": "## WannaCry Reverse Engineering Analysis\n\n### Sample Information\n- **File**: WannaCry.exe\n- **SHA256**: ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa\n- **Packer**: None\n\n### Static Analysis\n\n#### PE Analysis\n```\nCompiler: Microsoft Visual C++ 8.0\nSections: .text, .rdata, .data, .rsrc\n```\n\n#### Strings\n```\nWNcry@2ol7 (password)\n.WNCRY (extension)\ntasksche.exe\nmssecsvc.exe\nBitcoin addresses\n```\n\n#### Imports\n```\nCreateServiceA\nStartServiceCtrlDispatcherA\nInternetOpenA\nInternetConnectA\n```\n\n#### Resources\n```\nR:1831 - Encrypted ZIP\nPassword: WNcry@2ol7\nContains: Ransom messages\n```\n\n### Dynamic Analysis\n\n#### Process Behavior\n```\nCreates service: mssecsvc2.0\nSpawns: tasksche.exe\nConnects to kill switch domain\n```\n\n#### File System\n```\nCreates: C:\\ProgramData\\<random>\\\nDrops: tasksche.exe, msg/*\nEncrypts: *.WNCRY extension\n```\n\n#### Network\n```\nKill switch: iuqerfsodp9ifjaposdfjhgosurijfaewrwergwea.com\nSMB scanning: Port 445\nEternalBlue exploit\n```\n\n### IOCs\n```\nExtension: .WNCRY\nService: mssecsvc2.0\nProcess: tasksche.exe\nKill switch: iuqerfsodp9ifjaposdfjhgosurijfaewrwergwea.com\nBitcoin: 115p7UMMngoj1pMvkpHijcRdfJNXj6LrLn\n```\n\n### YARA Rule\n```yara\nrule WannaCry {\n strings:\n $s1 = \"WNcry@2ol7\"\n $s2 = \".WNCRY\"\n $s3 = \"tasksche.exe\"\n condition:\n $s1 or $s2 or $s3\n}\n```", | |
| "metadata": { | |
| "malware": "WannaCry", | |
| "analysis_type": "reverse-engineering", | |
| "year": 2017, | |
| "category": "reverse-engineering-real" | |
| } | |
| } | |
| ] | |