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General

  • Target

    file.exe

  • Size

    316KB

  • Sample

    230202-kepwmshe3w

  • MD5

    6e97a25f0258f7c08ea8ecf35262fd70

  • SHA1

    436f07c1757f8f7d82a4cc1f88fea5ab393151e3

  • SHA256

    2935b22cf4d1cd82e84031196d4fb50ab47f75bd0a4cf5d652a3a0c7a05630ec

  • SHA512

    f22c0df471490a107156152e3cca29e74fc12a8a30ec7f19c4cdec0d7425080e2f40cbd8f2304d49232572d575900c21f6f21cbf5460808570312daeb75a2e04

  • SSDEEP

    6144:KKL50V19SKzRAi9AJZMx9/CJTk637eQfnd5auB:Fi1wiy89CJb7d5

Malware Config

Targets

    • Target

      file.exe

    • Size

      316KB

    • MD5

      6e97a25f0258f7c08ea8ecf35262fd70

    • SHA1

      436f07c1757f8f7d82a4cc1f88fea5ab393151e3

    • SHA256

      2935b22cf4d1cd82e84031196d4fb50ab47f75bd0a4cf5d652a3a0c7a05630ec

    • SHA512

      f22c0df471490a107156152e3cca29e74fc12a8a30ec7f19c4cdec0d7425080e2f40cbd8f2304d49232572d575900c21f6f21cbf5460808570312daeb75a2e04

    • SSDEEP

      6144:KKL50V19SKzRAi9AJZMx9/CJTk637eQfnd5auB:Fi1wiy89CJb7d5

    • Detects Smokeloader packer

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks