General

  • Target

    2024-11-21_b4bb8eb96c15d1f370024c0fa700f5f3_ryuk

  • Size

    4.1MB

  • Sample

    241121-ntf4tssejn

  • MD5

    b4bb8eb96c15d1f370024c0fa700f5f3

  • SHA1

    aeaca716e1e0edc6988899e5569422a31548f1bf

  • SHA256

    f4bd3afe930406d9c45c3b8c5fb5a62ae83fab7a04b26cec81859797fd359311

  • SHA512

    d745d0b181fa5d72c1255e24a352bc5a6ede6c1e9b32299f459439b8d097dd43d8627c885b79fed05d2e18564731cc1e2b9bcef6d2ceb52da849fdbccb2d1bd1

  • SSDEEP

    49152:/xGK0l3e3u+P0YY0+uOoCVlUsR5cdFRuc4UphfVuZ:/xGK09yurZ

Malware Config

Extracted

Family

meduza

C2

109.107.181.162

Attributes
  • anti_dbg

    true

  • anti_vm

    true

  • build_name

    592

  • extensions

    none

  • grabber_max_size

    1.048576e+06

  • links

    none

  • port

    15666

  • self_destruct

    true

Targets

    • Target

      2024-11-21_b4bb8eb96c15d1f370024c0fa700f5f3_ryuk

    • Size

      4.1MB

    • MD5

      b4bb8eb96c15d1f370024c0fa700f5f3

    • SHA1

      aeaca716e1e0edc6988899e5569422a31548f1bf

    • SHA256

      f4bd3afe930406d9c45c3b8c5fb5a62ae83fab7a04b26cec81859797fd359311

    • SHA512

      d745d0b181fa5d72c1255e24a352bc5a6ede6c1e9b32299f459439b8d097dd43d8627c885b79fed05d2e18564731cc1e2b9bcef6d2ceb52da849fdbccb2d1bd1

    • SSDEEP

      49152:/xGK0l3e3u+P0YY0+uOoCVlUsR5cdFRuc4UphfVuZ:/xGK09yurZ

    • 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