General

  • Target

    2025-07-01_f3357cb6de5ea95feaf2212db27be2a2_elex_virlock

  • Size

    777KB

  • Sample

    250701-jjwdjstjy7

  • MD5

    f3357cb6de5ea95feaf2212db27be2a2

  • SHA1

    4fc989e0207141daf204d1926d058a53a8f4cde8

  • SHA256

    6990492bc171ff1466994fa8db494ab2411d5eb4081c21ab6f52d43c5c1206e7

  • SHA512

    58106ab54cc9bbf20be51adf99e81149935410e30e667a4f6ba71f9df4bef5d50999892f8facf26f453b19425cb8d3df53ab952ecc11cd08531c67e85d0caa49

  • SSDEEP

    3072:IbI2ZjCdaF+qi7Y7nPr3w6srBarSvFcA4WDm6zoual5sE0Mie:IbI2ZjCgF+h7Y7nbw6srBargc5+zRU

Malware Config

Targets

    • Target

      2025-07-01_f3357cb6de5ea95feaf2212db27be2a2_elex_virlock

    • Size

      777KB

    • MD5

      f3357cb6de5ea95feaf2212db27be2a2

    • SHA1

      4fc989e0207141daf204d1926d058a53a8f4cde8

    • SHA256

      6990492bc171ff1466994fa8db494ab2411d5eb4081c21ab6f52d43c5c1206e7

    • SHA512

      58106ab54cc9bbf20be51adf99e81149935410e30e667a4f6ba71f9df4bef5d50999892f8facf26f453b19425cb8d3df53ab952ecc11cd08531c67e85d0caa49

    • SSDEEP

      3072:IbI2ZjCdaF+qi7Y7nPr3w6srBarSvFcA4WDm6zoual5sE0Mie:IbI2ZjCgF+h7Y7nbw6srBargc5+zRU

    • Modifies visibility of file extensions in Explorer

    • Renames multiple (87) 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

    • 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 v16

Tasks