General

  • Target

    2024-06-12_c98bb921777daeb2b7d76a662ab69991_virlock

  • Size

    641KB

  • Sample

    240612-222x6axhpr

  • MD5

    c98bb921777daeb2b7d76a662ab69991

  • SHA1

    4ec1404b3a886fdc1ab006b8848cfd51fc2768fd

  • SHA256

    5085e6b5679ff53e3112a28be2efa49de5cbc56d4f574127fe492dd6110168cf

  • SHA512

    0e62a6a78db0255bb87ccdf7f70074c81fc1edced34100fef339b523fcab89479873cfc03214ff0c33355c908470156745e09f98c070d5f08675b547739355aa

  • SSDEEP

    12288:x1S2gnqi8iPsEZIfhCBlD+IqDBYleFU5yq33dtTtXaXtF2:x1S2UUiBNL+keFW3H5KXtF2

Malware Config

Targets

    • Target

      2024-06-12_c98bb921777daeb2b7d76a662ab69991_virlock

    • Size

      641KB

    • MD5

      c98bb921777daeb2b7d76a662ab69991

    • SHA1

      4ec1404b3a886fdc1ab006b8848cfd51fc2768fd

    • SHA256

      5085e6b5679ff53e3112a28be2efa49de5cbc56d4f574127fe492dd6110168cf

    • SHA512

      0e62a6a78db0255bb87ccdf7f70074c81fc1edced34100fef339b523fcab89479873cfc03214ff0c33355c908470156745e09f98c070d5f08675b547739355aa

    • SSDEEP

      12288:x1S2gnqi8iPsEZIfhCBlD+IqDBYleFU5yq33dtTtXaXtF2:x1S2UUiBNL+keFW3H5KXtF2

    • Modifies visibility of file extensions in Explorer

    • UAC bypass

    • Renames multiple (61) 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

MITRE ATT&CK Enterprise v15

Tasks