General

  • Target

    RefreshRateService_V2.1.0_1.zip

  • Size

    588KB

  • Sample

    241119-sydlqaxmf1

  • MD5

    555f783d99103190d2cef7671c2c9a73

  • SHA1

    ac89e2434f29d4eb5fff2912c1ef88c2d75cadc4

  • SHA256

    2731712ef1906af20a5eccead8381774dd7b244a00eda7d6251963ae787fd2b3

  • SHA512

    d1c9fc72b608e942d196be245f1807abe4c0dda4dd9f210bc78bdd576e4009d9db3ca777500449705aa66bb2235d023b4fcc0bd4d285557185b100d9e12c7714

  • SSDEEP

    12288:v4eAVPh0Fa5b9GJwGs94KiIQYWVzY3vtEtLdLPkW46X/rEJq2ICEuzYbgJOet:v4ee2Fkb4+/NiIoG36BFPk96h2XENEv

Malware Config

Targets

    • Target

      RefreshRateService.msi

    • Size

      966KB

    • MD5

      c660910814201ced2a7c0560c008f8f4

    • SHA1

      805b6a7d740b6e9bf12ffa750a33ab7e7bc54778

    • SHA256

      c105e87b1f5d04a4e3818a3747a93a4f4936cd1688b49670a24b4b3e719f46fc

    • SHA512

      bcab8b20a25de65f758574433d5ece69a5a02fdd3df6cb3ddef814f96c7cd132039ae73966d484189796389b939d5a6dcd28fcc754621a3c759328a21c54dda0

    • SSDEEP

      24576:2maHyYiPkLMcMfdTB7yuk3f5BfAJ6svgREp2:2maSYicLXMftBGRE6s+E4

    • Blocklisted process makes network request

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks