General

  • Target

    2024-11-27_f89ecba8fd71361c58b70ecd585c53e2_ryuk

  • Size

    4.1MB

  • Sample

    241127-2bwnfszjfk

  • MD5

    f89ecba8fd71361c58b70ecd585c53e2

  • SHA1

    9d7846d9cec23ef4028f6eb26bbcdeba486ad190

  • SHA256

    2377e854aa3db9f95def39ab2f2b9ec78f6103517b7c7208c2efe91c86111876

  • SHA512

    05692f0db68f7a922c92a3ab8f22f69af5265b3671518807ea9c2fc4ce41ff343748ca1ebe036124ef13e079083bbd7e58b82a1449391809866106e82e3608d8

  • SSDEEP

    49152:Xl4UjB0jUulkpLMLcYKczIJSH0jO1uR51Ca0b48PNpdPA:14UjKguFA

Malware Config

Extracted

Family

meduza

C2

45.130.145.152

Attributes
  • anti_dbg

    true

  • anti_vm

    true

  • build_name

    Seo

  • extensions

    .txt;.doc;.docx;.pdf;.xls;.xlsx;.log;.db;.sqlite

  • grabber_max_size

    4.194304e+06

  • port

    15666

  • self_destruct

    false

Targets

    • Target

      2024-11-27_f89ecba8fd71361c58b70ecd585c53e2_ryuk

    • Size

      4.1MB

    • MD5

      f89ecba8fd71361c58b70ecd585c53e2

    • SHA1

      9d7846d9cec23ef4028f6eb26bbcdeba486ad190

    • SHA256

      2377e854aa3db9f95def39ab2f2b9ec78f6103517b7c7208c2efe91c86111876

    • SHA512

      05692f0db68f7a922c92a3ab8f22f69af5265b3671518807ea9c2fc4ce41ff343748ca1ebe036124ef13e079083bbd7e58b82a1449391809866106e82e3608d8

    • SSDEEP

      49152:Xl4UjB0jUulkpLMLcYKczIJSH0jO1uR51Ca0b48PNpdPA:14UjKguFA

    • 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.

    • 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