General

  • Target

    2024-10-27_9e7f8bbc8b012b6a9125d72d8872c1b9_wannacry

  • Size

    854KB

  • Sample

    241027-y666wssalf

  • MD5

    9e7f8bbc8b012b6a9125d72d8872c1b9

  • SHA1

    71ffa7a408554eed422aa044613f100eafc78c57

  • SHA256

    c277a8fe3f35b51cb210db9bd9d4215fb05e694cd15b46d2a0aa1f094738c163

  • SHA512

    9fff0dbbe1492adf2b1b6c3d707861ed629f1e24490abc6893559903fb019ac620142bd60de33a39f41a9d735064e1fae421defc0dc6bc7973ee28987709ba80

  • SSDEEP

    12288:b0zVvgDNMoWjTmFzAzBocaKjyWtiR1pptHxQ0z2GjShqL:o5vgHWjTwAlocaKjyyItHDzH

Malware Config

Targets

    • Target

      2024-10-27_9e7f8bbc8b012b6a9125d72d8872c1b9_wannacry

    • Size

      854KB

    • MD5

      9e7f8bbc8b012b6a9125d72d8872c1b9

    • SHA1

      71ffa7a408554eed422aa044613f100eafc78c57

    • SHA256

      c277a8fe3f35b51cb210db9bd9d4215fb05e694cd15b46d2a0aa1f094738c163

    • SHA512

      9fff0dbbe1492adf2b1b6c3d707861ed629f1e24490abc6893559903fb019ac620142bd60de33a39f41a9d735064e1fae421defc0dc6bc7973ee28987709ba80

    • SSDEEP

      12288:b0zVvgDNMoWjTmFzAzBocaKjyWtiR1pptHxQ0z2GjShqL:o5vgHWjTwAlocaKjyyItHDzH

    • Chaos

      Ransomware family first seen in June 2021.

    • Chaos Ransomware

    • Chaos family

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Blocklisted process makes network request

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Enterprise v15

Tasks