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General

  • Target

    NEAS.86e5bf5f49d8fcf02addad1089af2040_JC.exe

  • Size

    1.7MB

  • Sample

    231101-nrat2aff9s

  • MD5

    86e5bf5f49d8fcf02addad1089af2040

  • SHA1

    cceb213a8dd473716244cc093a1d5615d6e279b1

  • SHA256

    f444a97206d7d0a931249df0989486856010c2aa3db1d44382925b3afd323da0

  • SHA512

    8f9fc9636c956b279fc323fa494f3e91e54e981ff5aeb690dd7a885ebae70866369a70ed6bdf37ebc1e057a9f43caf656be6b97e78eed3b7f78421e3b0090c47

  • SSDEEP

    49152:DpPNiqTVoiCVsqSMRrQFTAm4o24TduMpwNRn:NNiqpcsFCrQFEm40vpwj

Score
10/10

Malware Config

Targets

    • Target

      NEAS.86e5bf5f49d8fcf02addad1089af2040_JC.exe

    • Size

      1.7MB

    • MD5

      86e5bf5f49d8fcf02addad1089af2040

    • SHA1

      cceb213a8dd473716244cc093a1d5615d6e279b1

    • SHA256

      f444a97206d7d0a931249df0989486856010c2aa3db1d44382925b3afd323da0

    • SHA512

      8f9fc9636c956b279fc323fa494f3e91e54e981ff5aeb690dd7a885ebae70866369a70ed6bdf37ebc1e057a9f43caf656be6b97e78eed3b7f78421e3b0090c47

    • SSDEEP

      49152:DpPNiqTVoiCVsqSMRrQFTAm4o24TduMpwNRn:NNiqpcsFCrQFEm40vpwj

    Score
    10/10
    • Modifies visiblity of hidden/system files in Explorer

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Loads dropped DLL

    • Adds Run key to start application

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks