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General

  • Target

    c5f15ef169cabdf31f3293e89176c25d3d967096d51de27b73afb82e89952ef6

  • Size

    389KB

  • Sample

    221030-wn87eschf8

  • MD5

    821b741f373cc205bca58e7bf1608780

  • SHA1

    0f3d1541c19bfc10d63f49fafe6a6523d9892b70

  • SHA256

    c5f15ef169cabdf31f3293e89176c25d3d967096d51de27b73afb82e89952ef6

  • SHA512

    a49c9182f2a32d62819c4db6d33e1cdd34464426b139e78f9e8a4699ed4e1a1fd8d2b8293fae28ea12363c6a648e34b75e83dc6bfd9ff39337e1d8b09d9733c5

  • SSDEEP

    12288:+ZteVhCoIEYNIFTo21gmgahD5P9K1L1zmZ:+ZteVhUE6T2imbtl61z

Malware Config

Targets

    • Target

      c5f15ef169cabdf31f3293e89176c25d3d967096d51de27b73afb82e89952ef6

    • Size

      389KB

    • MD5

      821b741f373cc205bca58e7bf1608780

    • SHA1

      0f3d1541c19bfc10d63f49fafe6a6523d9892b70

    • SHA256

      c5f15ef169cabdf31f3293e89176c25d3d967096d51de27b73afb82e89952ef6

    • SHA512

      a49c9182f2a32d62819c4db6d33e1cdd34464426b139e78f9e8a4699ed4e1a1fd8d2b8293fae28ea12363c6a648e34b75e83dc6bfd9ff39337e1d8b09d9733c5

    • SSDEEP

      12288:+ZteVhCoIEYNIFTo21gmgahD5P9K1L1zmZ:+ZteVhUE6T2imbtl61z

    • Blocklisted process makes network request

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Loads dropped DLL

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v6

Tasks