General

  • Target
    https://github.com/fleasion/Fleasion/releases/download/v2.2.1/Fleasion-v2.2.1.exe
  • Sample260804-vvx73atsby

Malware Config

Targets

    • Target
      https://github.com/fleasion/Fleasion/releases/download/v2.2.1/Fleasion-v2.2.1.exe
    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Loads dropped DLL

    • Checks installed software on the system

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

    • Checks whether UAC is enabled

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v16

Tasks