General

  • Target
    SteamDaddy.exe
  • Size 16.7MB
  • Sample260720-xfwf2ab19m
  • SHA256 ce0330eb845c1f6e3df7560a5906e40ded87272712d095193c1859ac8d3a5b49
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      SteamDaddy.exe
    • Size 16.7MB
    • SHA256 ce0330eb845c1f6e3df7560a5906e40ded87272712d095193c1859ac8d3a5b49
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Renames multiple (6116) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Contacts third-party web service commonly abused for C2

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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v16

Tasks