General

  • Target
    2024-01-30_0f83609227da47f2f02b75c755c2fe0d_wannacry
  • Size 443KB
  • Sample240130-dxx7eahadk
  • SHA256 f8cc80f094616313745e1e22b6a2399081a02974e8231c20c0bffdf610c1b969
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      2024-01-30_0f83609227da47f2f02b75c755c2fe0d_wannacry
    • Size 443KB
    • SHA256 f8cc80f094616313745e1e22b6a2399081a02974e8231c20c0bffdf610c1b969
    • MD5 SHA1 SHA512 SSDEEP
    • Chaos

      Ransomware family first seen in June 2021.

    • Chaos Ransomware

    • Detects command variations typically used by ransomware

    • Renames multiple (93) 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.

    • Drops startup file

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v15

Tasks