General

  • Target

    2024-12-16_298f1cd4f1804f025564bdb392538183_ryuk

  • Size

    4.1MB

  • Sample

    241216-cxn33a1len

  • MD5

    298f1cd4f1804f025564bdb392538183

  • SHA1

    cc6cac6c7e6be5f6b00a3714c856c1155b6d7e17

  • SHA256

    8d5fd6e273be8cea765bc75fd9af3db49e58578305cb9d08fa357709f0b7ce35

  • SHA512

    6eead00ed3d0c5c9b829191d025095c1468697169c388dac0a1325d955737311ab7db21ddbf1dae723f13801b78d63f98ba9725ab3affffe1011cee4e71c4535

  • SSDEEP

    49152:Xl4UjB0jUueX82U+kTyOzOhrd5qIsXvzvYiA:14UjKgu3A

Malware Config

Extracted

Family

meduza

C2

193.3.19.151

Attributes
  • anti_dbg

    true

  • anti_vm

    true

  • build_name

    hellres

  • extensions

    .txt; .doc; .xlsx

  • grabber_max_size

    4.194304e+06

  • port

    15666

  • self_destruct

    false

Targets

    • Target

      2024-12-16_298f1cd4f1804f025564bdb392538183_ryuk

    • Size

      4.1MB

    • MD5

      298f1cd4f1804f025564bdb392538183

    • SHA1

      cc6cac6c7e6be5f6b00a3714c856c1155b6d7e17

    • SHA256

      8d5fd6e273be8cea765bc75fd9af3db49e58578305cb9d08fa357709f0b7ce35

    • SHA512

      6eead00ed3d0c5c9b829191d025095c1468697169c388dac0a1325d955737311ab7db21ddbf1dae723f13801b78d63f98ba9725ab3affffe1011cee4e71c4535

    • SSDEEP

      49152:Xl4UjB0jUueX82U+kTyOzOhrd5qIsXvzvYiA:14UjKgu3A

    • 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