General

  • Target

    0d683d2e4fa69e5a5780ffcec285131df7d3467d0f5483ad7d1e918160817886

  • Size

    2.2MB

  • Sample

    210921-kd7p3aghc3

  • MD5

    5b61e933fb4b526837a23637ff6bef7e

  • SHA1

    34056a337b596b2bf2682df0ec1247b0ad14a972

  • SHA256

    0d683d2e4fa69e5a5780ffcec285131df7d3467d0f5483ad7d1e918160817886

  • SHA512

    2f7ec6cfac3a671334e900d59dd8cd7e66d8ce8ff61e71ac47d805f17e7ccc0ad2066e8c477a0597d318a6802b1a9e7fdcf1890ac08ba45b0cb8cfc938498ea0

Malware Config

Targets

    • Target

      0d683d2e4fa69e5a5780ffcec285131df7d3467d0f5483ad7d1e918160817886

    • Size

      2.2MB

    • MD5

      5b61e933fb4b526837a23637ff6bef7e

    • SHA1

      34056a337b596b2bf2682df0ec1247b0ad14a972

    • SHA256

      0d683d2e4fa69e5a5780ffcec285131df7d3467d0f5483ad7d1e918160817886

    • SHA512

      2f7ec6cfac3a671334e900d59dd8cd7e66d8ce8ff61e71ac47d805f17e7ccc0ad2066e8c477a0597d318a6802b1a9e7fdcf1890ac08ba45b0cb8cfc938498ea0

    • 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.

    • Executes dropped EXE

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • Drops startup file

    • 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 v6

Tasks