Resubmissions

06-11-2023 21:21

231106-z7fk1afc7y 10

06-11-2023 21:09

231106-zzlgaafb6s 10

General

  • Target

    Rootkits & Bootkits.zip

  • Size

    99.1MB

  • Sample

    231106-zzlgaafb6s

  • MD5

    daa4a303815b2f4b3383ae4e9cb9d70b

  • SHA1

    71ad3c455f33dff881e05816d87f43e48b6a5084

  • SHA256

    94e3a8f25dbff86ee6fe11ee045b70055357c08ae1723598a361c96eac5e2c24

  • SHA512

    7c2fd76a9fc12382df8abb3ad459dc962ffe07ff03fd4801eb6a68e0802df9b5a1136fec3d421ffcfb387033ea9de3d302a878f1a901257be03f6271574557fa

  • SSDEEP

    1572864:Hz9VYu6kNhSQlSkdCUZdoinM59VVzg4dPC7v9A17V3nBDlxn3hqzLpPr:TQk/HHnMHkHBA17lnTqpPr

Malware Config

Targets

    • Target

      Rootkits & Bootkits.zip

    • Size

      99.1MB

    • MD5

      daa4a303815b2f4b3383ae4e9cb9d70b

    • SHA1

      71ad3c455f33dff881e05816d87f43e48b6a5084

    • SHA256

      94e3a8f25dbff86ee6fe11ee045b70055357c08ae1723598a361c96eac5e2c24

    • SHA512

      7c2fd76a9fc12382df8abb3ad459dc962ffe07ff03fd4801eb6a68e0802df9b5a1136fec3d421ffcfb387033ea9de3d302a878f1a901257be03f6271574557fa

    • SSDEEP

      1572864:Hz9VYu6kNhSQlSkdCUZdoinM59VVzg4dPC7v9A17V3nBDlxn3hqzLpPr:TQk/HHnMHkHBA17lnTqpPr

    • Drops startup file

    • Loads dropped DLL

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • Adds Run key to start application

    • Blocklisted process makes network request

    • Enumerates connected drives

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

    • Maps connected drives based on registry

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

    • Writes to the Master Boot Record (MBR)

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

MITRE ATT&CK Enterprise v15

Tasks