General

  • Target
    2026-07-16_76ce295cb07fc2845471f3a178437d21_elex_virlock
  • Size 1.6MB
  • Sample260716-dbyaaabx5n
  • SHA256 2ef018a5603ae738fdf27ce02c4595121c1ecc28133b4fcdca2389863c4691b7
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      2026-07-16_76ce295cb07fc2845471f3a178437d21_elex_virlock
    • Size 1.6MB
    • SHA256 2ef018a5603ae738fdf27ce02c4595121c1ecc28133b4fcdca2389863c4691b7
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: Nabucur

      Nabucur is a ransomware first seen in 2015.

    • Modifies visibility of file extensions in Explorer

    • Renames multiple (155) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • 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