: DAHALO.rar , DAHALO_Update.rar , or localized variations targeting specific departments (e.g., Finance_Report.rar ).
: The malware often creates a scheduled task or modifies registry run keys (e.g., HKCU\Software\Microsoft\Windows\CurrentVersion\Run ) to ensure it remains active after a system reboot.
: The malware frequently uses dynamic DNS services or compromised legitimate websites to host its command-and-control infrastructure, making IP-based blocking difficult. Indicators of Compromise (IoCs) DAHALO.rar
: Often uses a double extension (e.g., Project_Specs.pdf.lnk ) and executes a hidden command that launches mshta.exe or powershell.exe to run a remote script.
: Once downloaded and extracted, the RAR file typically reveals a shortcut file ( .LNK ) or a heavily obfuscated script (VBScript or PowerShell) disguised as a document. : DAHALO
: Restrict the download of .rar , .7z , and .lnk files from external email sources or unknown web domains.
: Connections to unusual domains or direct IP addresses over ports 80/443 that do not match standard web traffic patterns. Indicators of Compromise (IoCs) : Often uses a
: The loader communicates with a Command and Control (C2) server to download the final stage, which is often a modular malware variant capable of: Exfiltrating browser credentials and cookies. Capturing screenshots. Logging keystrokes. Downloading further malicious modules. Technical Analysis of Components