The sample in SSIsab-004.7z serves as a textbook example of a . It establishes persistence on the host and waits for instructions from a remote server.
: The file frequently imports CreateProcess and Sleep , indicating it likely spawns a persistent background process. 3. Dynamic Analysis (Execution)
: Block the specific C2 IP address discovered in strings and delete the masked kerne132.dll file from the system directory. SSIsab-004.7z
This stage involves running the malware in a sandboxed environment (like Any.Run or a private VM) to monitor its behavior.
: Usually contains a single file named Lab01-01.exe and a matching DLL ( Lab01-01.dll ). 2. Static Analysis Findings The sample in SSIsab-004
Before starting any analysis, the file is identified to ensure it hasn't been tampered with. : SSIsab-004.7z Format : 7-Zip Compressed Archive.
The file is an encrypted archive typically used in educational malware analysis labs and cybersecurity competitions (such as CTFs). It contains a known malicious sample (often a Windows executable) designed to teach students how to perform basic static and dynamic analysis. Laboratory Analysis Write-up: SSIsab-004 1. File Identification and Integrity : Usually contains a single file named Lab01-01
: The malware attempts to beacon out to a hardcoded domain. If the domain is unreachable, it may enter a "sleep" state to avoid detection. Host-Based Indicators : Creation of a new service.