General

  • Target

    2024-12-09_c55ce8a5016e1628887b48bbd1beb923_ryuk

  • Size

    4.1MB

  • Sample

    241209-b7gajasmhp

  • MD5

    c55ce8a5016e1628887b48bbd1beb923

  • SHA1

    60ad46da825e8a59f5b1c5b59795c8f0273c8d06

  • SHA256

    34bf15220b0259eb2ed1d024f6e5e2ada2bd0a0501d0c1931e4097a787bb634b

  • SHA512

    4388dcbb5be669b8dab78ffa59a184d5a508455ac932b7d992a38014dc89cdee09f8f94720d0284f6033bf1dccf113b5a557c1da2a4917cc42c964cddeb2de79

  • SSDEEP

    49152:Xl4UjB0jUuoO+BxK2/VJTe1LK+vBmGKOWB11MaXEcA:14UjKguGA

Malware Config

Extracted

Family

meduza

C2

5.252.155.28

Attributes
  • anti_dbg

    true

  • anti_vm

    true

  • build_name

    782

  • extensions

    none

  • grabber_max_size

    1.048576e+06

  • links

    none

  • port

    15666

  • self_destruct

    true

Targets

    • Target

      2024-12-09_c55ce8a5016e1628887b48bbd1beb923_ryuk

    • Size

      4.1MB

    • MD5

      c55ce8a5016e1628887b48bbd1beb923

    • SHA1

      60ad46da825e8a59f5b1c5b59795c8f0273c8d06

    • SHA256

      34bf15220b0259eb2ed1d024f6e5e2ada2bd0a0501d0c1931e4097a787bb634b

    • SHA512

      4388dcbb5be669b8dab78ffa59a184d5a508455ac932b7d992a38014dc89cdee09f8f94720d0284f6033bf1dccf113b5a557c1da2a4917cc42c964cddeb2de79

    • SSDEEP

      49152:Xl4UjB0jUuoO+BxK2/VJTe1LK+vBmGKOWB11MaXEcA:14UjKguGA

    • 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