: Based on these findings, the file is classified as Malicious . [1, 3] Solution Strategy
: Attempts to modify registry keys or add files to the Startup folder. [4] Im.On.Merrymaking.Watch.rar
The file is a challenge component from the 2023 SANS Holiday Hack Challenge (KringleCon) . It is specifically associated with the "Reportinator" objective, where players must analyze a "phishing" artifact to determine if it is malicious. [1, 2] Challenge Overview : Based on these findings, the file is
: Use of Base64 encoding or character replacement to hide commands like IEX (Invoke-Expression). [5] [5] : If a script is found, manually
: Run strings on the extracted files to find hidden URLs or PowerShell commands. [5]
: If a script is found, manually decode the Base64 strings to reveal the final intent, which usually involves credential theft or remote access. [2, 6]
: The RAR file contains a Windows Shortcut (.LNK) or a highly obfuscated script (often PowerShell or VBScript) disguised as a harmless document. [4, 5] Malicious Indicators :