General

  • Target

    2024-01-25_a4396d5a9e6a31e5116c75ed8445a710_virlock

  • Size

    213KB

  • Sample

    240125-v5damsbgd8

  • MD5

    a4396d5a9e6a31e5116c75ed8445a710

  • SHA1

    eab2c89654a5c3953ae54aec2709325b3cdf5e97

  • SHA256

    084c98843a6c5ef5db7af05b162b448a91d3eeb441936a40c60bf59eab1ab4d3

  • SHA512

    795687a36d1f5c68727ded5ed66d1ac9de37c93ee1a8098f4dfea09420f8665e70b329eefde0922748c9393bac9e0e4da27757e46ed1aebad026ec33ed6f26cb

  • SSDEEP

    6144:Pj79Ib17HfGLOF/QjvVbSgPKK7xxUjR3mB9ppVGPcN:r79K7HfGL7Px7xx0tmB9C+

Malware Config

Targets

    • Target

      2024-01-25_a4396d5a9e6a31e5116c75ed8445a710_virlock

    • Size

      213KB

    • MD5

      a4396d5a9e6a31e5116c75ed8445a710

    • SHA1

      eab2c89654a5c3953ae54aec2709325b3cdf5e97

    • SHA256

      084c98843a6c5ef5db7af05b162b448a91d3eeb441936a40c60bf59eab1ab4d3

    • SHA512

      795687a36d1f5c68727ded5ed66d1ac9de37c93ee1a8098f4dfea09420f8665e70b329eefde0922748c9393bac9e0e4da27757e46ed1aebad026ec33ed6f26cb

    • SSDEEP

      6144:Pj79Ib17HfGLOF/QjvVbSgPKK7xxUjR3mB9ppVGPcN:r79K7HfGL7Px7xx0tmB9C+

    • Kinsing

      Kinsing is a loader written in Golang.

    • Modifies visibility of file extensions in Explorer

    • UAC bypass

    • Renames multiple (79) 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

    • Checks whether UAC is enabled

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks