General

  • Target
    2026-05-18_0d27f0706b6a73fa1713da3473b3b451_coinminer_cosmicduke_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_tofsee_vidar
  • Size 2.5MB
  • Sample260518-ejxt6afx7z
  • SHA256 d51c89fb4972fb778f1bf16b7ead014cbde83f73200ca53c99d0a393e83b2f23
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      2026-05-18_0d27f0706b6a73fa1713da3473b3b451_coinminer_cosmicduke_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_tofsee_vidar
    • Size 2.5MB
    • SHA256 d51c89fb4972fb778f1bf16b7ead014cbde83f73200ca53c99d0a393e83b2f23
    • 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++.

    • 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