General

  • Target

    2024-11-07_b3e5ea8b0d97c245897b590596063e79_ryuk

  • Size

    3.6MB

  • Sample

    241107-chynysvpej

  • MD5

    b3e5ea8b0d97c245897b590596063e79

  • SHA1

    29adf01785dc7831264983a6ed7fee13cc1b9a41

  • SHA256

    777cb9e04ba8f8602d802e45648c73923450c2c19b26c613a5001168727feff3

  • SHA512

    e59dc93d35853d683a4ff2d1f360a8285a6b29b8c7cb3ee2cd003f0e9817c5154d6dc739edd059934bfea0711c9bdd800f23219754ce98db74c95810fc8d932e

  • SSDEEP

    24576:bw317sPycp8nCB3ClpQtQFMeYEftQZ6jCCKb+qXyvOEjgIW0BOgewZMFJ45Xyr44:bByPnI8BRftSbivOeWy4wWN6lK28Wo

Malware Config

Extracted

Family

meduza

C2

109.107.181.162

Attributes
  • anti_dbg

    true

  • anti_vm

    true

  • build_name

    6

  • extensions

    none

  • grabber_max_size

    1.048576e+06

  • links

    none

  • port

    15666

  • self_destruct

    true

Targets

    • Target

      2024-11-07_b3e5ea8b0d97c245897b590596063e79_ryuk

    • Size

      3.6MB

    • MD5

      b3e5ea8b0d97c245897b590596063e79

    • SHA1

      29adf01785dc7831264983a6ed7fee13cc1b9a41

    • SHA256

      777cb9e04ba8f8602d802e45648c73923450c2c19b26c613a5001168727feff3

    • SHA512

      e59dc93d35853d683a4ff2d1f360a8285a6b29b8c7cb3ee2cd003f0e9817c5154d6dc739edd059934bfea0711c9bdd800f23219754ce98db74c95810fc8d932e

    • SSDEEP

      24576:bw317sPycp8nCB3ClpQtQFMeYEftQZ6jCCKb+qXyvOEjgIW0BOgewZMFJ45Xyr44:bByPnI8BRftSbivOeWy4wWN6lK28Wo

    • 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