Resubmissions

13/04/2024, 09:28

240413-lfvc7acf5210

13/04/2024, 09:28

240413-lft3esff2x10

13/04/2024, 09:28

240413-lfemqsff2t10

13/04/2024, 09:27

240413-le61lafe9110

13/04/2024, 09:27

240413-le6ptsfe9z10

09/04/2024, 08:16

240409-j555wadf8x10

09/04/2024, 08:16

240409-j55t4sdf8v10

09/04/2024, 08:16

240409-j54xtaad5910

09/04/2024, 08:15

240409-j52sfsad5710

04/11/2020, 01:00

201104-p65ygpgpnx9

General

  • Target
    a188e147ba147455ce5e3a6eb8ac1a46bdd58588de7af53d4ad542c6986491f4.bin
  • Size 483KB
  • Sample240413-lfemqsff2t
  • SHA256 a188e147ba147455ce5e3a6eb8ac1a46bdd58588de7af53d4ad542c6986491f4
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      a188e147ba147455ce5e3a6eb8ac1a46bdd58588de7af53d4ad542c6986491f4.bin
    • Size 483KB
    • SHA256 a188e147ba147455ce5e3a6eb8ac1a46bdd58588de7af53d4ad542c6986491f4
    • MD5 SHA1 SHA512 SSDEEP
    • RegretLocker

      Ransomware first reported on Twitter in October 2020.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Renames multiple (4029) files with added filename extension

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

    • Modifies Installed Components in the registry

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • 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 desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Uses Tor communications

      Malware can proxy its traffic through Tor for more anonymity.

MITRE ATT&CK Enterprise v15

Tasks