General

  • Target

    2024-08-09_05d20461f13f59e0d898e1d34e023f5c_virlock

  • Size

    206KB

  • Sample

    240809-ld6nfaygjp

  • MD5

    05d20461f13f59e0d898e1d34e023f5c

  • SHA1

    6ebb248de86aca8ede20ff0e7811ca0e4d50a2fb

  • SHA256

    974c10091ad320289f4bed8895fa0d2646e5fd0f2dbce3c1adc4f1f14f1b0102

  • SHA512

    d82627e6092d949737adddf1538c1608cde6e80f97ae09797490124676555edc81db50eb23126573cef2620783a2c0cd6418834520adc53ead871bc27759cc8f

  • SSDEEP

    3072:lSLjO5gXGxvV8znamLjtBfrDMtCpwDpiB3gNiQIhk/IuPoOa/MXYrUGOs5K617:lSLS2G+tTfr4U3gRIGgn/MXdNs7

Malware Config

Targets

    • Target

      2024-08-09_05d20461f13f59e0d898e1d34e023f5c_virlock

    • Size

      206KB

    • MD5

      05d20461f13f59e0d898e1d34e023f5c

    • SHA1

      6ebb248de86aca8ede20ff0e7811ca0e4d50a2fb

    • SHA256

      974c10091ad320289f4bed8895fa0d2646e5fd0f2dbce3c1adc4f1f14f1b0102

    • SHA512

      d82627e6092d949737adddf1538c1608cde6e80f97ae09797490124676555edc81db50eb23126573cef2620783a2c0cd6418834520adc53ead871bc27759cc8f

    • SSDEEP

      3072:lSLjO5gXGxvV8znamLjtBfrDMtCpwDpiB3gNiQIhk/IuPoOa/MXYrUGOs5K617:lSLS2G+tTfr4U3gRIGgn/MXdNs7

    • 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.

    • Deletes itself

    • 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

MITRE ATT&CK Enterprise v15

Tasks