General

  • Target
    CCleaner.zip
  • Size 69.6MB
  • Sample240122-tk8qdaadcj
  • SHA256 44cb295694f3332b31500c7d8408e6f93bb34a56617ae6850a205ed16c2a42a8
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      CCleaner.exe
    • Size 69.8MB
    • SHA256 23eda7958cd22e11d5daa39d5a82e5740512c9435a138214b98d1925520bf8e8
    • MD5 SHA1 SHA512 SSDEEP
    • RuRAT

      RuRAT is a remote admin tool sold as legitimate software but regularly abused in malicious phishing campaigns.

    • 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.

    • Blocklisted process makes network request

    • 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.

    • Checks system information in the registry

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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks