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General

  • Target

    file.exe

  • Size

    234KB

  • Sample

    221230-h683gsfb52

  • MD5

    37dcfb749e32ace6713af440055191cc

  • SHA1

    5d7aca9da4a23501472c4c6890ad8b1ee81f84f8

  • SHA256

    fd992bf567d01e447568f0297f9f6b4923c0e3250d6a73d158905e505bc76e1a

  • SHA512

    1f13820c71c4a988614103ae22419af9b8c59f8ff8ddc5b83cc359a80552ac8aadc626d01e2dbe4871a02be6153ffeeeaa2ea3c71310f4774f0b80e8594120a2

  • SSDEEP

    3072:jyn4LSjRE/z/Cr9bneaMzuwZgd9MP4fLU8y5/LU8y5tCAlMB6xuqqb53y1t/M:04LSuL/c9rreNZEfo5oHCApx3E5

Malware Config

Targets

    • Target

      file.exe

    • Size

      234KB

    • MD5

      37dcfb749e32ace6713af440055191cc

    • SHA1

      5d7aca9da4a23501472c4c6890ad8b1ee81f84f8

    • SHA256

      fd992bf567d01e447568f0297f9f6b4923c0e3250d6a73d158905e505bc76e1a

    • SHA512

      1f13820c71c4a988614103ae22419af9b8c59f8ff8ddc5b83cc359a80552ac8aadc626d01e2dbe4871a02be6153ffeeeaa2ea3c71310f4774f0b80e8594120a2

    • SSDEEP

      3072:jyn4LSjRE/z/Cr9bneaMzuwZgd9MP4fLU8y5/LU8y5tCAlMB6xuqqb53y1t/M:04LSuL/c9rreNZEfo5oHCApx3E5

    • Detects Smokeloader packer

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Reads user/profile data of web browsers

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

    • Checks installed software on the system

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks