Modification of registry keys (e.g., HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run ). 4. Conclusion and Mitigation

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

: URLs or IP addresses used for command-and-control (C2) communication.

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.

: Block the specific C2 IP address discovered in strings and delete the masked kerne132.dll file from the system directory.

: 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.

Before starting any analysis, the file is identified to ensure it hasn't been tampered with. : SSIsab-004.7z Format : 7-Zip Compressed Archive.

Ssisab-004.7z -

Modification of registry keys (e.g., HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run ). 4. Conclusion and Mitigation

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 SSIsab-004.7z

: URLs or IP addresses used for command-and-control (C2) communication. Modification of registry keys (e

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. It contains a known malicious sample (often a

: Block the specific C2 IP address discovered in strings and delete the masked kerne132.dll file from the system directory.

: 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.

Before starting any analysis, the file is identified to ensure it hasn't been tampered with. : SSIsab-004.7z Format : 7-Zip Compressed Archive.