General

  • Target

    2024-12-07_559a5c313cc49946be78eb255ec5d1f9_ryuk

  • Size

    4.1MB

  • Sample

    241207-cbzmnsvqdm

  • MD5

    559a5c313cc49946be78eb255ec5d1f9

  • SHA1

    08d73de6c7c84aa2b617f060dacc79d93febff40

  • SHA256

    a2c102c31e5d952419c7f16428deda0a0165ef50954878d51e294eb575963165

  • SHA512

    dd99ed19af420a9ca77a63e40b9c25908d3105ada4eb95ca4d410e5ce77d70d2d99fbfba03d0f819cd5024ddbf2296d4a23bbdd11a3e37c3ac613b5f2bfa98d7

  • SSDEEP

    49152:Xl4UjB0jUu3PoPX+uNf39mJU7lBbj1YydVcMNVrvatv2BrNHxg5QqoZ1A:14UjKgucA

Malware Config

Extracted

Family

meduza

C2

109.107.181.162

Attributes
  • anti_dbg

    true

  • anti_vm

    true

  • build_name

    782

  • extensions

    none

  • grabber_max_size

    1.048576e+06

  • links

    none

  • port

    15666

  • self_destruct

    true

Targets

    • Target

      2024-12-07_559a5c313cc49946be78eb255ec5d1f9_ryuk

    • Size

      4.1MB

    • MD5

      559a5c313cc49946be78eb255ec5d1f9

    • SHA1

      08d73de6c7c84aa2b617f060dacc79d93febff40

    • SHA256

      a2c102c31e5d952419c7f16428deda0a0165ef50954878d51e294eb575963165

    • SHA512

      dd99ed19af420a9ca77a63e40b9c25908d3105ada4eb95ca4d410e5ce77d70d2d99fbfba03d0f819cd5024ddbf2296d4a23bbdd11a3e37c3ac613b5f2bfa98d7

    • SSDEEP

      49152:Xl4UjB0jUu3PoPX+uNf39mJU7lBbj1YydVcMNVrvatv2BrNHxg5QqoZ1A:14UjKgucA

    • 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.

    • 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