General

  • Target

    2024-11-20_0bef3b7ac8a7088b43913aeb50872cb5_ryuk

  • Size

    4.1MB

  • Sample

    241120-19mmrsvkf1

  • MD5

    0bef3b7ac8a7088b43913aeb50872cb5

  • SHA1

    4c049e504cadb46001b97866d4cc182a2ebe8ed5

  • SHA256

    c793ad4e3cf5aaf4a58fae55b8ef20e936392a5ab36b68baeba38e58f356f900

  • SHA512

    58b7b06c4a0164e00533af8060b01c89c92049d9d65c6a38faccafc91a025c4f74e0dfca4229018bfed1496ed19a38300dedc485ab5d0c7370da979bc52d5d68

  • SSDEEP

    49152:qxGK0l3e3umT4jb2czkx+Lb81vcjZ2UBj1KzRSui1h5ZCTZ:qxGK09yukZ

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

      2024-11-20_0bef3b7ac8a7088b43913aeb50872cb5_ryuk

    • Size

      4.1MB

    • MD5

      0bef3b7ac8a7088b43913aeb50872cb5

    • SHA1

      4c049e504cadb46001b97866d4cc182a2ebe8ed5

    • SHA256

      c793ad4e3cf5aaf4a58fae55b8ef20e936392a5ab36b68baeba38e58f356f900

    • SHA512

      58b7b06c4a0164e00533af8060b01c89c92049d9d65c6a38faccafc91a025c4f74e0dfca4229018bfed1496ed19a38300dedc485ab5d0c7370da979bc52d5d68

    • SSDEEP

      49152:qxGK0l3e3umT4jb2czkx+Lb81vcjZ2UBj1KzRSui1h5ZCTZ:qxGK09yukZ

    • 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