To extract the contents, identify the primary executable or document, and find the embedded "flag" or hidden indicator of compromise (IoC). 2. Initial Extraction & Static Analysis
Extracting the ZIP file typically reveals a folder structure containing an executable (often named Altero.exe or similar) and several support DLLs or configuration files.
Using a debugger (x64dbg) or disassembler (Ghidra) to bypass license checks or "kill switches" within the code. 5. Findings Summary File: Altero.v1.1.zip ...
(e.g., Trojan, Keylogger, or Educational Challenge).
The file should be executed in a safe, isolated sandbox (e.g., Any.Run, Flare-VM). To extract the contents, identify the primary executable
A standard write-up for this type of file generally follows a structured analysis to identify hidden data or malicious behavior. Below is a template for the write-up you need. 1. File Information Filename: Altero.v1.1.zip File Type: Compressed ZIP Archive
FLAG{...} (Fill this in based on your specific extraction results). Using a debugger (x64dbg) or disassembler (Ghidra) to
Check if the file attempts to reach out to a Command & Control (C2) server. Look for DNS queries to unusual domains.