General

  • Target

    2024-10-27_883df6020272d5d3fa4cf7fd804b86cf_virlock

  • Size

    346KB

  • Sample

    241027-w2nsmszhlc

  • MD5

    883df6020272d5d3fa4cf7fd804b86cf

  • SHA1

    19d8e0647f940c83643e41f28c3f01f7a4a14851

  • SHA256

    9c29ef9a0f4ad4c04a4a9a60b93c9d84facdbf5ed254a8a9262ae9ff533a6723

  • SHA512

    ad490fc85eed12d4b7dfd08353bb2712961536d5d74e95a8abdc22c29b8223bc7370a07a9bc65051db2b698aaf3bbe8b0b03bb67ac97898ea8868ef0ba50311b

  • SSDEEP

    6144:87QnWDKNgIeV4TgzPKVtNo9y7mA9YZhkGwhrvHPmKGzlfd:87QyKNGqTuPwoGVGwhC5zl1

Malware Config

Targets

    • Target

      2024-10-27_883df6020272d5d3fa4cf7fd804b86cf_virlock

    • Size

      346KB

    • MD5

      883df6020272d5d3fa4cf7fd804b86cf

    • SHA1

      19d8e0647f940c83643e41f28c3f01f7a4a14851

    • SHA256

      9c29ef9a0f4ad4c04a4a9a60b93c9d84facdbf5ed254a8a9262ae9ff533a6723

    • SHA512

      ad490fc85eed12d4b7dfd08353bb2712961536d5d74e95a8abdc22c29b8223bc7370a07a9bc65051db2b698aaf3bbe8b0b03bb67ac97898ea8868ef0ba50311b

    • SSDEEP

      6144:87QnWDKNgIeV4TgzPKVtNo9y7mA9YZhkGwhrvHPmKGzlfd:87QyKNGqTuPwoGVGwhC5zl1

    • Modifies visibility of file extensions in Explorer

    • UAC bypass

    • Renames multiple (86) 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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks