General

  • Target

    2024-11-20_aa3c7b344a5530af4fe0bcb144abd43c_ryuk

  • Size

    4.1MB

  • Sample

    241120-cgtzdayelj

  • MD5

    aa3c7b344a5530af4fe0bcb144abd43c

  • SHA1

    511d4295767b735cd2680de4cf08cba827e4b88f

  • SHA256

    544120fc34f30c6f20acee1d179009a6523ddab6fe41042611dbd742c8e636bf

  • SHA512

    247135a19aa034043047f43ac822c5754579baa3f2ec46418e590a23eb84fc527d6f3f58fbae73e995a58b4d3780f078686d60e57c660b823ae6eb211fad10c8

  • SSDEEP

    49152:qxGK0l3e3uoOg15XgLIcT9xacX+pGTt4yy2NtvyNM2R6oZ:qxGK09yuAZ

Malware Config

Extracted

Family

meduza

C2

109.107.181.162

Attributes
  • anti_dbg

    true

  • anti_vm

    true

  • build_name

    424

  • extensions

    none

  • grabber_max_size

    1.048576e+06

  • links

    none

  • port

    15666

  • self_destruct

    true

Targets

    • Target

      2024-11-20_aa3c7b344a5530af4fe0bcb144abd43c_ryuk

    • Size

      4.1MB

    • MD5

      aa3c7b344a5530af4fe0bcb144abd43c

    • SHA1

      511d4295767b735cd2680de4cf08cba827e4b88f

    • SHA256

      544120fc34f30c6f20acee1d179009a6523ddab6fe41042611dbd742c8e636bf

    • SHA512

      247135a19aa034043047f43ac822c5754579baa3f2ec46418e590a23eb84fc527d6f3f58fbae73e995a58b4d3780f078686d60e57c660b823ae6eb211fad10c8

    • SSDEEP

      49152:qxGK0l3e3uoOg15XgLIcT9xacX+pGTt4yy2NtvyNM2R6oZ:qxGK09yuAZ

    • 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