General

  • Target

    2024-11-19_21d65d2084afc22c1bd35c189267b6bc_ryuk

  • Size

    4.1MB

  • Sample

    241119-bxhevaybjd

  • MD5

    21d65d2084afc22c1bd35c189267b6bc

  • SHA1

    281e6c35c9753b4153590bd798bc98f670a837d3

  • SHA256

    39e05855169379fd9a0710b68a5bc7a07bf8d5579587aaef3bab08d170adb35a

  • SHA512

    04be8a8f97aa693aeadd326aa0e513f707be3fa21af4d2ea491435cc485af68dff2b800e205a83fe4dc57628b6ec1efb693d0c96af5369b276abde08b100b961

  • SSDEEP

    49152:qxGK0l3e3uY1SLWM8ae2kJjAIrc4kSFIK9k/kW9ZrV7xCcxyRY4WsZ:qxGK09yuCZ

Malware Config

Extracted

Family

meduza

C2

109.107.181.162

Attributes
  • anti_dbg

    true

  • anti_vm

    true

  • build_name

    700

  • extensions

    none

  • grabber_max_size

    1.048576e+06

  • links

    none

  • port

    15666

  • self_destruct

    true

Targets

    • Target

      2024-11-19_21d65d2084afc22c1bd35c189267b6bc_ryuk

    • Size

      4.1MB

    • MD5

      21d65d2084afc22c1bd35c189267b6bc

    • SHA1

      281e6c35c9753b4153590bd798bc98f670a837d3

    • SHA256

      39e05855169379fd9a0710b68a5bc7a07bf8d5579587aaef3bab08d170adb35a

    • SHA512

      04be8a8f97aa693aeadd326aa0e513f707be3fa21af4d2ea491435cc485af68dff2b800e205a83fe4dc57628b6ec1efb693d0c96af5369b276abde08b100b961

    • SSDEEP

      49152:qxGK0l3e3uY1SLWM8ae2kJjAIrc4kSFIK9k/kW9ZrV7xCcxyRY4WsZ:qxGK09yuCZ

    • 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.

    • Deletes itself

    • 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