General

  • Target

    2024-11-18_b3450b609d12e41f5e7482b7fcecbaf1_ryuk

  • Size

    4.1MB

  • Sample

    241118-ctklga1laj

  • MD5

    b3450b609d12e41f5e7482b7fcecbaf1

  • SHA1

    99e91e22ff71e651cb6453437d15dae74f3d9c8e

  • SHA256

    ab76439d232ce9d53c8de49a5546c63666a4327fcb49477a8ae3dda69653e928

  • SHA512

    f6dab8b9bda25aa2d1ba9062ec9c9bd38f27a7835bb4af9d629c7b9ec6c0928dc50310a107694e97c60c189ddb2558e604693fc2a11da1307c96a3752ef0c279

  • SSDEEP

    49152:qxGK0l3e3uxB6FwwtJzPOfvjO9k4FgU4f/DRlP/ABnIhCqoaIR+Z:qxGK09yuVZ

Malware Config

Extracted

Family

meduza

C2

109.107.181.162

Attributes
  • anti_dbg

    true

  • anti_vm

    true

  • build_name

    665

  • extensions

    none

  • grabber_max_size

    1.048576e+06

  • links

    none

  • port

    15666

  • self_destruct

    true

Targets

    • Target

      2024-11-18_b3450b609d12e41f5e7482b7fcecbaf1_ryuk

    • Size

      4.1MB

    • MD5

      b3450b609d12e41f5e7482b7fcecbaf1

    • SHA1

      99e91e22ff71e651cb6453437d15dae74f3d9c8e

    • SHA256

      ab76439d232ce9d53c8de49a5546c63666a4327fcb49477a8ae3dda69653e928

    • SHA512

      f6dab8b9bda25aa2d1ba9062ec9c9bd38f27a7835bb4af9d629c7b9ec6c0928dc50310a107694e97c60c189ddb2558e604693fc2a11da1307c96a3752ef0c279

    • SSDEEP

      49152:qxGK0l3e3uxB6FwwtJzPOfvjO9k4FgU4f/DRlP/ABnIhCqoaIR+Z:qxGK09yuVZ

    • Meduza

      Meduza is a crypto wallet and info stealer written in C++.

    • Meduza Stealer payload

    • Meduza family

    • Checks computer location settings

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

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses Microsoft Outlook profiles

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks