General

  • Target
    2024100252285212e0d83a23f0bc321e9553ddf2wannacry
  • Size 232KB
  • Sample241002-mbjassvcpg
  • SHA256 d047a3d556af2717969da799b991f255b7a282b4a0c7d4df30adf34a4cadc37a
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      2024100252285212e0d83a23f0bc321e9553ddf2wannacry
    • Size 232KB
    • SHA256 d047a3d556af2717969da799b991f255b7a282b4a0c7d4df30adf34a4cadc37a
    • MD5 SHA1 SHA512 SSDEEP
    • Chaos

      Ransomware family first seen in June 2021.

    • Chaos Ransomware

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Modifies boot configuration data using bcdedit

    • Deletes backup catalog

      Uses wbadmin.exe to inhibit system recovery.

    • 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.

    • Drops desktop.ini file(s)

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v15

Tasks