General

  • Target

    2024-11-06_47020a318e1d6ddfbf80785e81954c84_virlock

  • Size

    111KB

  • Sample

    241106-cx52kswjdm

  • MD5

    47020a318e1d6ddfbf80785e81954c84

  • SHA1

    d5a4dcf3e6d44cd0169fbe0fff991eb2a8e829e6

  • SHA256

    e70d8ddf1d0a28a9dd8c43e79c6a67e100a531cd4be851da7712aa8351e27162

  • SHA512

    a4d369be9f6db4f18eeb97e8154482dc17ece1c0bdb5193427c66d18dece25d031b1e485e81fb1314c84ece576d9b4e461f6732d7a83d4e1e7d172f6c7ed1a26

  • SSDEEP

    3072:JKtFxnQOsoccftGhk9gkDWP3KyAyi16ArwzQGlRZ:JKtNsrcfLgLAyO7rwzQC

Malware Config

Targets

    • Target

      2024-11-06_47020a318e1d6ddfbf80785e81954c84_virlock

    • Size

      111KB

    • MD5

      47020a318e1d6ddfbf80785e81954c84

    • SHA1

      d5a4dcf3e6d44cd0169fbe0fff991eb2a8e829e6

    • SHA256

      e70d8ddf1d0a28a9dd8c43e79c6a67e100a531cd4be851da7712aa8351e27162

    • SHA512

      a4d369be9f6db4f18eeb97e8154482dc17ece1c0bdb5193427c66d18dece25d031b1e485e81fb1314c84ece576d9b4e461f6732d7a83d4e1e7d172f6c7ed1a26

    • SSDEEP

      3072:JKtFxnQOsoccftGhk9gkDWP3KyAyi16ArwzQGlRZ:JKtNsrcfLgLAyO7rwzQC

    • Modifies visibility of file extensions in Explorer

    • UAC bypass

    • Renames multiple (83) 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