General

  • Target

    https://www.youtube.com/watch?v=bJxX57PSH_U&t=91s

  • Sample

    240417-r26w1ace46

Malware Config

Targets

    • Target

      https://www.youtube.com/watch?v=bJxX57PSH_U&t=91s

    • Modifies Windows Defender Real-time Protection settings

    • Modifies security service

    • Modifies visiblity of hidden/system files in Explorer

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Drops startup file

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks