General

  • Target
    2026-04-23_0ca964935b2c95d43d1f004db0ff990f_coinminer_cosmicduke_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_tofsee_vidar
  • Size 2.5MB
  • Sample260423-eahc4sh15y
  • SHA256 4cf14eda91e089d14bfcab28e55bcb50be6faa34f67787fbe9ffdbc366feae7a
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      2026-04-23_0ca964935b2c95d43d1f004db0ff990f_coinminer_cosmicduke_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_tofsee_vidar
    • Size 2.5MB
    • SHA256 4cf14eda91e089d14bfcab28e55bcb50be6faa34f67787fbe9ffdbc366feae7a
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detects MiniDuke aka CosmicDuke or TinyBaron

    • Family: MiniDuke, CosmicDuke,TinyBaron

      MiniDuke aka CosmicDuke or TinyBaron is a backdoor used by the APT29 group, written in C++.

    • Custom signature

      UPX dump on OEP (original entry point)

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook profiles

    • 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.

    • Drops file in System32 directory

    • UPX packed file

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

MITRE ATT&CK Enterprise v16

Tasks