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General

  • Target

    4_args_f_3_multibabyk_ST_1.bin

  • Size

    87KB

  • Sample

    250307-jtylnaxls3

  • MD5

    fc3ce4e60c8c67dce8f4db295bf588d0

  • SHA1

    f53d85664cf5377f78f160046c7ac4f9e0d97b71

  • SHA256

    35207d1da900a08d511c6e5ed5d87e04347540fa89776486155f8184c60f41e4

  • SHA512

    75a0386450b9ab4275c955f36ff50aa04e78ac12fcd06f593db80c877a575fcd468ecf75bacd650f15faccbae799c1d77c2558efa9cc03b32e2898d6e78c8948

  • SSDEEP

    1536:zmQvhe/yPhBgzPWmisrQLOJgY8ZZP8LHD4XWaNH71dLdG1iiFM2iG2CIE:1he/yPe+/srQLOJgY8Zp8LHD4XWaNH78

Malware Config

Targets

    • Target

      4_args_f_3_multibabyk_ST_1.bin

    • Size

      87KB

    • MD5

      fc3ce4e60c8c67dce8f4db295bf588d0

    • SHA1

      f53d85664cf5377f78f160046c7ac4f9e0d97b71

    • SHA256

      35207d1da900a08d511c6e5ed5d87e04347540fa89776486155f8184c60f41e4

    • SHA512

      75a0386450b9ab4275c955f36ff50aa04e78ac12fcd06f593db80c877a575fcd468ecf75bacd650f15faccbae799c1d77c2558efa9cc03b32e2898d6e78c8948

    • SSDEEP

      1536:zmQvhe/yPhBgzPWmisrQLOJgY8ZZP8LHD4XWaNH71dLdG1iiFM2iG2CIE:1he/yPe+/srQLOJgY8Zp8LHD4XWaNH78

    • Babuk Locker

      RaaS first seen in 2021 initially called Vasa Locker.

    • Babuk family

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Renames multiple (199) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Checks computer location settings

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

    • Enumerates connected drives

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

MITRE ATT&CK Enterprise v15

Tasks