General

  • Target

    2024-11-17_a6a5175d334d452e5f7ecb4a7c59ccc7_ryuk

  • Size

    4.1MB

  • Sample

    241117-mjst7sxkhz

  • MD5

    a6a5175d334d452e5f7ecb4a7c59ccc7

  • SHA1

    8c57589c02d10dc60bb7ce3128b24bfc2a1c1824

  • SHA256

    98673dbe7eb9b78140a4e215e7f028ce40393371c39debd0fde5a37534c4b8c8

  • SHA512

    0655813b51b6f9dd009988319aa43f93a2a9c8d61f259cc76374361b2eff56ffe69370c40a4981757fedca8ebb5a41ddbe24ce495919272da74f6a61290fd50f

  • SSDEEP

    49152:qxGK0l3e3uPleujQuj+TLYC8ao9Q59nL/eMJEDq3+EoghZ:qxGK09yumZ

Malware Config

Extracted

Family

meduza

C2

109.107.181.162

Attributes
  • anti_dbg

    true

  • anti_vm

    true

  • build_name

    420

  • extensions

    none

  • grabber_max_size

    1.048576e+06

  • links

    none

  • port

    15666

  • self_destruct

    true

Targets

    • Target

      2024-11-17_a6a5175d334d452e5f7ecb4a7c59ccc7_ryuk

    • Size

      4.1MB

    • MD5

      a6a5175d334d452e5f7ecb4a7c59ccc7

    • SHA1

      8c57589c02d10dc60bb7ce3128b24bfc2a1c1824

    • SHA256

      98673dbe7eb9b78140a4e215e7f028ce40393371c39debd0fde5a37534c4b8c8

    • SHA512

      0655813b51b6f9dd009988319aa43f93a2a9c8d61f259cc76374361b2eff56ffe69370c40a4981757fedca8ebb5a41ddbe24ce495919272da74f6a61290fd50f

    • SSDEEP

      49152:qxGK0l3e3uPleujQuj+TLYC8ao9Q59nL/eMJEDq3+EoghZ:qxGK09yumZ

    • 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.

    • Deletes itself

    • 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