Extracted

• • Target

    https://mgen.fast-dl.cc

  Score

  10^/10

  gcleanerbootkitdiscoveryevasionloaderpersistencespywarestealertrojanupx

  • GCleaner

    GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.

    loadergcleaner

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

    evasion

  • Blocklisted process makes network request

  • Downloads MZ/PE file

  • ACProtect 1.3x - 1.4x DLL software

    Detects file using ACProtect software.

  • Checks BIOS information in registry

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

  • Checks computer location settings

    Looks up country code configured in the registry, likely geofence.

  • 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.

    spywarestealer

  • Registers COM server for autorun

    persistence

  • UPX packed file

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

    upx

  • Adds Run key to start application

    persistence

  • Checks for any installed AV software in registry

  • Checks installed software on the system

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery

  • Checks whether UAC is enabled

    evasiontrojan

  • Drops Chrome extension

  • Drops desktop.ini file(s)

  • Enumerates connected drives

    Attempts to read the root path of hard drives other than the default C: drive.

  • 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.

  • Writes to the Master Boot Record (MBR)

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence

  • Drops file in System32 directory

  • Suspicious use of NtSetInformationThreadHideFromDebugger

  behavioral1