General

  • Target
    utorrent_installer.exe
  • Size 2.1MB
  • Sample260722-pemthavalc
  • SHA256 6f9b9d4f8153f48e80ddcfa6385ae6f921f52616309e060c23cf0ad483fd3597
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      utorrent_installer.exe
    • Size 2.1MB
    • SHA256 6f9b9d4f8153f48e80ddcfa6385ae6f921f52616309e060c23cf0ad483fd3597
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • 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.

    • Enumerates connected drives

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

    • Writes to the Master Boot Record (MBR)

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

    • UPX packed file

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

MITRE ATT&CK Enterprise v16

Tasks