Resubmissions

31/05/2026, 23:47

260531-3s6qeshy4x

31/05/2026, 23:42

260531-3p9mxahy2x10

31/05/2026, 23:30

260531-3hlmhacs9p10

General

  • Target
    2026-05-31_fec41dea3b165b4d1fdef9cca9b267b2_coinminer_cosmicduke_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_tofsee
  • Size 2.2MB
  • Sample260531-3hlmhacs9p
  • SHA256 f43254521d59b0cd5095048101043c5cee33985548f1cf37e44850ccaad18c59
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      2026-05-31_fec41dea3b165b4d1fdef9cca9b267b2_coinminer_cosmicduke_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_tofsee
    • Size 2.2MB
    • SHA256 f43254521d59b0cd5095048101043c5cee33985548f1cf37e44850ccaad18c59
    • 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