General

  • Target

    2024-06-20_602db6d99b3daffef5eaef8e3b13593d_avoslocker

  • Size

    4.3MB

  • Sample

    240620-p91nvashnn

  • MD5

    602db6d99b3daffef5eaef8e3b13593d

  • SHA1

    1a7677e5682345531592df57d5de6b4d22293f3a

  • SHA256

    3784958f665b395183bb891240fddd8f99493ae8be96f55901880ea7e7bddb02

  • SHA512

    7ef6e292fc023ad8fde3b5cc37cb05d44a360e02a44518dfbccd9b22cdebc10838dfa8b86aacf1dc061b629fa943f7ae5475bf0a5cdff85128454c3eea93dbc3

  • SSDEEP

    98304:Epq/d8kCBblMyQjujDW9tBcg2jGqwwAF6vAVpRBQo3g+Y/skB3tiX/8:NcK5ujyp8jGqwwm6vAtBQo370bNtm/8

Malware Config

Targets

    • Target

      2024-06-20_602db6d99b3daffef5eaef8e3b13593d_avoslocker

    • Size

      4.3MB

    • MD5

      602db6d99b3daffef5eaef8e3b13593d

    • SHA1

      1a7677e5682345531592df57d5de6b4d22293f3a

    • SHA256

      3784958f665b395183bb891240fddd8f99493ae8be96f55901880ea7e7bddb02

    • SHA512

      7ef6e292fc023ad8fde3b5cc37cb05d44a360e02a44518dfbccd9b22cdebc10838dfa8b86aacf1dc061b629fa943f7ae5475bf0a5cdff85128454c3eea93dbc3

    • SSDEEP

      98304:Epq/d8kCBblMyQjujDW9tBcg2jGqwwAF6vAVpRBQo3g+Y/skB3tiX/8:NcK5ujyp8jGqwwm6vAtBQo370bNtm/8

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Checks whether UAC is enabled

    • 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