General

  • Target

    2024-04-27_d0cf727c46e2ee5dbf57063d3ae85dfd_destroyer_wannacry

  • Size

    22KB

  • Sample

    240427-ganagacc53

  • MD5

    d0cf727c46e2ee5dbf57063d3ae85dfd

  • SHA1

    e5fab1e8a3954970331f415e5bcb7cdc2ad678d3

  • SHA256

    93e27f3c219edee9e18c570fc1b36c0fae0e3b06cbbe85bd9afb4fe7d11d03ea

  • SHA512

    da7b19ec144f69594d66b46c5e24adeccbd4bd2d13bc04be4030f4464978f2d8263dcfffe9392d684ecd5d918366d5c6236e39a9d47be18e4b166091448fc326

  • SSDEEP

    384:p3MLWHn3kITf5o1CWpW23+rJVr91CrNveg:Jn3kIhWpW2CVr9Sxeg

Malware Config

Targets

    • Target

      2024-04-27_d0cf727c46e2ee5dbf57063d3ae85dfd_destroyer_wannacry

    • Size

      22KB

    • MD5

      d0cf727c46e2ee5dbf57063d3ae85dfd

    • SHA1

      e5fab1e8a3954970331f415e5bcb7cdc2ad678d3

    • SHA256

      93e27f3c219edee9e18c570fc1b36c0fae0e3b06cbbe85bd9afb4fe7d11d03ea

    • SHA512

      da7b19ec144f69594d66b46c5e24adeccbd4bd2d13bc04be4030f4464978f2d8263dcfffe9392d684ecd5d918366d5c6236e39a9d47be18e4b166091448fc326

    • SSDEEP

      384:p3MLWHn3kITf5o1CWpW23+rJVr91CrNveg:Jn3kIhWpW2CVr9Sxeg

    • Chaos

      Ransomware family first seen in June 2021.

    • Chaos Ransomware

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Detects command variations typically used by ransomware

    • 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)

MITRE ATT&CK Enterprise v15

Tasks