General

  • Target

    2024-06-01_f086fab4e2d6de8255df5a06e0983f4a_destroyer_wannacry

  • Size

    22KB

  • Sample

    240601-zv8e9aeh7t

  • MD5

    f086fab4e2d6de8255df5a06e0983f4a

  • SHA1

    501c65650b6815fd837f64ce398ff4d8382475e5

  • SHA256

    897be7be189a1e444c44535b7dd1f967ff7eb49bec25367efcbed724c76efffb

  • SHA512

    9c9ef27dc35f684a0d55f3202887a06ae8cb956e154795802034b9add97dbf5faf337680acb6fa96f3f2250cbe5f4f90caa47d9d43e550368b2b3d0403a40a53

  • SSDEEP

    384:e3Mg/bqo2v4Ahp2XTpFZ3OjvJsr91CSYvEe5:cqo2FaDpjOjBsr9W8e5

Malware Config

Targets

    • Target

      2024-06-01_f086fab4e2d6de8255df5a06e0983f4a_destroyer_wannacry

    • Size

      22KB

    • MD5

      f086fab4e2d6de8255df5a06e0983f4a

    • SHA1

      501c65650b6815fd837f64ce398ff4d8382475e5

    • SHA256

      897be7be189a1e444c44535b7dd1f967ff7eb49bec25367efcbed724c76efffb

    • SHA512

      9c9ef27dc35f684a0d55f3202887a06ae8cb956e154795802034b9add97dbf5faf337680acb6fa96f3f2250cbe5f4f90caa47d9d43e550368b2b3d0403a40a53

    • SSDEEP

      384:e3Mg/bqo2v4Ahp2XTpFZ3OjvJsr91CSYvEe5:cqo2FaDpjOjBsr9W8e5

    • 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

    • Renames multiple (189) files with added filename extension

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

    • 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