General

  • Target
    Ro-Booster.zip
  • Size 338B
  • Sample240617-j2ll3awapp
  • SHA256 8e6bda9a6edf33de8c959d9d20cb823f33509e40602171620c024edf2a2a14f2
  • MD5 SHA1 SHA512

Malware Config

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    https://github.com/xy-leex/Ro-Booster/releases/download/vypix/fpsbooster.exe

Targets

    • Target
      FPS-Booster/FPS-Boost.bat
    • Size 269B
    • SHA256 e10d2f79deb1090c000d217afaf29c720838bec835764033f81d61bbbc3d2680
    • MD5 SHA1 SHA512
    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • 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.

    • 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.

    • Maps connected drives based on registry

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

MITRE ATT&CK Enterprise v15

Tasks