Dahalo.rar

: 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.

: Spawning of powershell.exe , cmd.exe , or mshta.exe from parent processes like explorer.exe or web browsers immediately after a file download. Mitigation and Defense

: 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. DAHALO.rar

Common indicators associated with files like DAHALO.rar include:

: 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

: The scripts inside the archive are frequently layered with Base64 encoding, XOR encryption, and junk code to hinder static analysis by antivirus engines.

: Monitor for suspicious child processes originating from archive extractors or office applications. Common indicators associated with files like DAHALO

: The campaign begins with a spear-phishing email containing a link to a cloud storage service (e.g., Google Drive or Dropbox) where the DAHALO.rar file is hosted.