General

  • Target

    https://cdn.discordapp.com/attachments/1239300375685759150/1241676635103690843/sillyboost_cracked_v1.zip?ex=664e5cbb&is=664d0b3b&hm=5bf1d911da875ecd6b9f171f2c1138070b3983ba2ecb28e0338fcbc37e151e25&

  • Sample

    240522-a2y3qafa46

Malware Config

Targets

    • Target

      https://cdn.discordapp.com/attachments/1239300375685759150/1241676635103690843/sillyboost_cracked_v1.zip?ex=664e5cbb&is=664d0b3b&hm=5bf1d911da875ecd6b9f171f2c1138070b3983ba2ecb28e0338fcbc37e151e25&

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Drops file in Drivers directory

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Looks up external IP address via web service

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

MITRE ATT&CK Enterprise v15

Tasks