General

  • Target

    2024-11-07_7053a5df81a5ef855d1ca5a1e2a67c29_ryuk

  • Size

    3.6MB

  • Sample

    241107-cc4m1s1ras

  • MD5

    7053a5df81a5ef855d1ca5a1e2a67c29

  • SHA1

    5030fd814b639d7650d368ebcd6b920b6c719e7b

  • SHA256

    b1a33532e26c7128e521428b10b2fb7e068da79b41d9fb3ed471cb50e43b5463

  • SHA512

    7ddd3d8dd5374a32e0a16f74bb360387e48b35c02dd536e528fed2d83a3fcd7ed16d0d49a210da44f686d9d687ab20e7bbb63f203b0f602fd4f4ab0449a51f60

  • SSDEEP

    49152:bByPnIuAoUpKXvOCNzkoHQQQXOksJ7Wud:

Malware Config

Extracted

Family

meduza

C2

109.107.181.162

Attributes
  • anti_dbg

    true

  • anti_vm

    true

  • build_name

    458

  • extensions

    none

  • grabber_max_size

    1.048576e+06

  • links

    none

  • port

    15666

  • self_destruct

    true

Targets

    • Target

      2024-11-07_7053a5df81a5ef855d1ca5a1e2a67c29_ryuk

    • Size

      3.6MB

    • MD5

      7053a5df81a5ef855d1ca5a1e2a67c29

    • SHA1

      5030fd814b639d7650d368ebcd6b920b6c719e7b

    • SHA256

      b1a33532e26c7128e521428b10b2fb7e068da79b41d9fb3ed471cb50e43b5463

    • SHA512

      7ddd3d8dd5374a32e0a16f74bb360387e48b35c02dd536e528fed2d83a3fcd7ed16d0d49a210da44f686d9d687ab20e7bbb63f203b0f602fd4f4ab0449a51f60

    • SSDEEP

      49152:bByPnIuAoUpKXvOCNzkoHQQQXOksJ7Wud:

    • 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