General

  • Target

    2024-11-19_b3c893527a250bedaa33e22c048af650_ryuk

  • Size

    4.1MB

  • Sample

    241119-cca1psymew

  • MD5

    b3c893527a250bedaa33e22c048af650

  • SHA1

    51a279ea4e0f4f6ea7af5ebfec7aa78ea91bbb55

  • SHA256

    7242d005011d6db40e200a4c9d432d9af8ffd09cb8fa4af58f434e787a01d164

  • SHA512

    3e2df62040d3993ccb821a9a401ecf3a17822b497d3a7f906bbd6ca6ec1e788d3c4adec79beac65c0c04c2de153581320139e89c2c5cec1a4545237a3373e7bc

  • SSDEEP

    49152:/xGK0l3e3umgm8mg5Kzul0xOLiD+abB6QKSfdD3Lu29TAedZ:/xGK09yu6Z

Malware Config

Extracted

Family

meduza

C2

109.107.181.162

Attributes
  • anti_dbg

    true

  • anti_vm

    true

  • build_name

    749

  • extensions

    none

  • grabber_max_size

    1.048576e+06

  • links

    none

  • port

    15666

  • self_destruct

    true

Targets

    • Target

      2024-11-19_b3c893527a250bedaa33e22c048af650_ryuk

    • Size

      4.1MB

    • MD5

      b3c893527a250bedaa33e22c048af650

    • SHA1

      51a279ea4e0f4f6ea7af5ebfec7aa78ea91bbb55

    • SHA256

      7242d005011d6db40e200a4c9d432d9af8ffd09cb8fa4af58f434e787a01d164

    • SHA512

      3e2df62040d3993ccb821a9a401ecf3a17822b497d3a7f906bbd6ca6ec1e788d3c4adec79beac65c0c04c2de153581320139e89c2c5cec1a4545237a3373e7bc

    • SSDEEP

      49152:/xGK0l3e3umgm8mg5Kzul0xOLiD+abB6QKSfdD3Lu29TAedZ:/xGK09yu6Z

    • 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