Cybersecurity experts said that a malware campaign targeting Ukraine’s military personnel has been released. The malware is spread with the help of a fake installer for an app called “Army+.” That installer looks perfectly legitimate but embeds malicious code. It will install the Tor browser and use the hidden PowerShell script to carry on malicious activities; this means that there is misuse of the Tor browser for secretive purposes rather than any other purpose that it was used for.
How the Malware Works
The installation process starts with the fake app ArmyPlusInstaller. It launches a decoy application, ArmyPlus.exe, to avoid suspicion. In the background, a hidden script, init.ps1, works to bypass security restrictions on the system.
It would normally block such unauthorized scripts to keep a computer safe. But the malware will play with security settings by means of specific PowerShell commands to have the liberty of working freely. It even reduces the size of the console window to conceal all its actions and create further illusion. It plants files in strategic locations
The malware spreads its files throughout the folders of the system to remain hidden. For instance, the Tor browser files are stored in a directory called OneDriveData, while OpenSSH files, which give the attackers remote access, are kept in a folder called ssh.
This init.ps1 script plays a crucial role as it can pull down and install the Tor brow
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