General

  • Target

    2024-11-20_a77ca6dd2fef264d39cc9baa904eda9a_ryuk

  • Size

    4.1MB

  • Sample

    241120-ckyfzayjav

  • MD5

    a77ca6dd2fef264d39cc9baa904eda9a

  • SHA1

    6d2448b082ff40fa9ca07b7b77b82239ddcd1344

  • SHA256

    d156a993d7b7f3b39cffddb1d59053639c1e24f964cd464d9ef89f54ae3006b2

  • SHA512

    92d0197c278e54119ebef297173221c3ead18da8e1e772983fd99d4f824bae5c143d68cf9e695ea49a920aa7808ccbaa4630d5ebf196b9dc246dbc12a77c71fc

  • SSDEEP

    49152:qxGK0l3e3ue52XBCYc0zjM2rMN0h+MqJpYUboujSVXzCoogFDZ:qxGK09yuxZ

Malware Config

Extracted

Family

meduza

C2

109.107.181.162

Attributes
  • anti_dbg

    true

  • anti_vm

    true

  • build_name

    424

  • extensions

    none

  • grabber_max_size

    1.048576e+06

  • links

    none

  • port

    15666

  • self_destruct

    true

Targets

    • Target

      2024-11-20_a77ca6dd2fef264d39cc9baa904eda9a_ryuk

    • Size

      4.1MB

    • MD5

      a77ca6dd2fef264d39cc9baa904eda9a

    • SHA1

      6d2448b082ff40fa9ca07b7b77b82239ddcd1344

    • SHA256

      d156a993d7b7f3b39cffddb1d59053639c1e24f964cd464d9ef89f54ae3006b2

    • SHA512

      92d0197c278e54119ebef297173221c3ead18da8e1e772983fd99d4f824bae5c143d68cf9e695ea49a920aa7808ccbaa4630d5ebf196b9dc246dbc12a77c71fc

    • SSDEEP

      49152:qxGK0l3e3ue52XBCYc0zjM2rMN0h+MqJpYUboujSVXzCoogFDZ:qxGK09yuxZ

    • 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