General

  • Target

    2024-11-12_19b0d39415c5558f598735a97c65c1a6_virlock

  • Size

    564KB

  • Sample

    241112-mtncga1clk

  • MD5

    19b0d39415c5558f598735a97c65c1a6

  • SHA1

    16cdb915b697cbefe1818db8f5a3e2df3da99408

  • SHA256

    2c90864faf1bc6590790afd78072ffff8aa94d9f060ee76003867fe80d9ba70f

  • SHA512

    c9639d2f426954125fb250d019d48b85139a22e5fd83537ffa886cf821ff5c85cd5fe661735b4bd5277a9d42d01f3f9b373c2c26b4e271bd19c5a95342a5b517

  • SSDEEP

    12288:cRI8j8kRyUusRu0lRf56HcOnOKByDA4K:cRfhIUusRu0lh56HcOnJyDAv

Malware Config

Targets

    • Target

      2024-11-12_19b0d39415c5558f598735a97c65c1a6_virlock

    • Size

      564KB

    • MD5

      19b0d39415c5558f598735a97c65c1a6

    • SHA1

      16cdb915b697cbefe1818db8f5a3e2df3da99408

    • SHA256

      2c90864faf1bc6590790afd78072ffff8aa94d9f060ee76003867fe80d9ba70f

    • SHA512

      c9639d2f426954125fb250d019d48b85139a22e5fd83537ffa886cf821ff5c85cd5fe661735b4bd5277a9d42d01f3f9b373c2c26b4e271bd19c5a95342a5b517

    • SSDEEP

      12288:cRI8j8kRyUusRu0lRf56HcOnOKByDA4K:cRfhIUusRu0lh56HcOnJyDAv

    • Modifies visibility of file extensions in Explorer

    • UAC bypass

    • Renames multiple (81) 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