General

  • Target

    2024-11-21_a88a7848a66a3ab2018b141b43f7d22d_ryuk

  • Size

    4.1MB

  • Sample

    241121-pw7j8swqfj

  • MD5

    a88a7848a66a3ab2018b141b43f7d22d

  • SHA1

    d6c8775d28f6e2428a5ddc75276cf8f7a3358ca4

  • SHA256

    f58f565ea57ad0e9790bc776ec1b2a8d891065a237b55205c3e94c64ce8868fa

  • SHA512

    fcc6df54d9d314cd8486c5b72d1e0246822b3637fdb50dfcdab8b65ee78d532deffa19eba26c1051ab825441a3debc0a590532924384e848699d9e54649c734b

  • SSDEEP

    49152:/xGK0l3e3u5dhCjuv3nZpWY6eKsHolcvyNCkgk0Z:/xGK09yu9Z

Malware Config

Extracted

Family

meduza

C2

109.107.181.162

Attributes
  • anti_dbg

    true

  • anti_vm

    true

  • build_name

    750

  • extensions

    none

  • grabber_max_size

    1.048576e+06

  • links

    none

  • port

    15666

  • self_destruct

    true

Targets

    • Target

      2024-11-21_a88a7848a66a3ab2018b141b43f7d22d_ryuk

    • Size

      4.1MB

    • MD5

      a88a7848a66a3ab2018b141b43f7d22d

    • SHA1

      d6c8775d28f6e2428a5ddc75276cf8f7a3358ca4

    • SHA256

      f58f565ea57ad0e9790bc776ec1b2a8d891065a237b55205c3e94c64ce8868fa

    • SHA512

      fcc6df54d9d314cd8486c5b72d1e0246822b3637fdb50dfcdab8b65ee78d532deffa19eba26c1051ab825441a3debc0a590532924384e848699d9e54649c734b

    • SSDEEP

      49152:/xGK0l3e3u5dhCjuv3nZpWY6eKsHolcvyNCkgk0Z:/xGK09yu9Z

    • 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