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General

  • Target

    2024-10-08_7128fe39c0f51169acbbf8f33881b06b_virlock

  • Size

    115KB

  • Sample

    241008-2ca35sxdmd

  • MD5

    7128fe39c0f51169acbbf8f33881b06b

  • SHA1

    709b19abc274a0f134f60561d8bfd64fca8f2ed5

  • SHA256

    1a6eb2ce513a1c92f261ab533cf7075f4d7b0fb32ad032e343dd41544ff66b81

  • SHA512

    98ba998f8c5aca823afe77ab04ab453cc56ab2cccb57afbf92f16407a5b47f3e1febe3aa8b9d0bc8eeca3cabbadee8ab6e18a6e383723d08cddc4cdf8f315379

  • SSDEEP

    3072:tYJpW3Unj1DXLaEAOwJi02tmq0wT0Kjr6d:opsUnj1DNPwMmrwTBw

Malware Config

Targets

    • Target

      2024-10-08_7128fe39c0f51169acbbf8f33881b06b_virlock

    • Size

      115KB

    • MD5

      7128fe39c0f51169acbbf8f33881b06b

    • SHA1

      709b19abc274a0f134f60561d8bfd64fca8f2ed5

    • SHA256

      1a6eb2ce513a1c92f261ab533cf7075f4d7b0fb32ad032e343dd41544ff66b81

    • SHA512

      98ba998f8c5aca823afe77ab04ab453cc56ab2cccb57afbf92f16407a5b47f3e1febe3aa8b9d0bc8eeca3cabbadee8ab6e18a6e383723d08cddc4cdf8f315379

    • SSDEEP

      3072:tYJpW3Unj1DXLaEAOwJi02tmq0wT0Kjr6d:opsUnj1DNPwMmrwTBw

    • Modifies visibility of file extensions in Explorer

    • UAC bypass

    • Renames multiple (80) 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