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General

  • Target

    Installer (freecheat).zip

  • Size

    65.4MB

  • Sample

    241007-jsm4javamj

  • MD5

    878b9b7e5f55ef82d25d944b83dfd742

  • SHA1

    6995dd902c1f541f6429a90e851d8a5c7b940d54

  • SHA256

    933da6b2d038da2be329c115f76f3d9f7ca30c54597530ac5cd6e2fa00936742

  • SHA512

    6a189f5ae176f13db111c668e65231f012fbeee0752bfbe497f5d103238a9eff1cba1c6abab590a39b1b3782458f1fd906aee1330ae1c5fdae2fd3dec2f42505

  • SSDEEP

    1572864:4Z0mCKWDGhZTAz8MwL34jKAYgNox+rou867bmlUN6aW:4i7G28dL34jtNC+ri67b0aW

Malware Config

Extracted

Family

meduza

C2

109.107.181.162

Targets

    • Target

      Installer.exe

    • Size

      1.7MB

    • MD5

      15cde13181a78c9ffd71504cdfcf0505

    • SHA1

      e44462ae824d859f1a8652c58fb801b61af88345

    • SHA256

      b6fc4396c055aeed4c4065e7ade2b90a0fab6721d4854951888dd64777549fd2

    • SHA512

      d611344eae2eae6852878948d11bf49667f3c7b528c7c7ed52ab775c4b3176c8572eac0c17edf22cb5259c613555b867dc4bb2482c298bdc672343f2a5b8d709

    • SSDEEP

      49152:3bo95a6iGYUTsq9oeXBUPC23lyTTolbNeOt:AXoGBmGoE8

    • Meduza

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

    • Meduza Stealer payload

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • 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