General

  • Target

    2024-11-19_dcbb36bd1224d24143523166661ff68c_ryuk

  • Size

    4.1MB

  • Sample

    241119-qyegxawfpe

  • MD5

    dcbb36bd1224d24143523166661ff68c

  • SHA1

    0c3a0680e8ae8f7fdd60d31b014bf8beeb04c7dc

  • SHA256

    724b8c8426b718cef5a560416f66b3f7e4c832b40e523537529ecab6c0074400

  • SHA512

    1f807834794f05a6e5952e3e2e0e47012d44bbb8e00d185ddb6f52069205bebb2440196d60a967b0dc2e8a0d340f23034b5876381c3e447fc745caab48ac7073

  • SSDEEP

    49152:qxGK0l3e3uqbpeMUEobrd83Y92nyU/laeIchcYZ:qxGK09yuqZ

Malware Config

Extracted

Family

meduza

C2

109.107.181.162

Attributes
  • anti_dbg

    true

  • anti_vm

    true

  • build_name

    729

  • extensions

    none

  • grabber_max_size

    1.048576e+06

  • links

    none

  • port

    15666

  • self_destruct

    true

Targets

    • Target

      2024-11-19_dcbb36bd1224d24143523166661ff68c_ryuk

    • Size

      4.1MB

    • MD5

      dcbb36bd1224d24143523166661ff68c

    • SHA1

      0c3a0680e8ae8f7fdd60d31b014bf8beeb04c7dc

    • SHA256

      724b8c8426b718cef5a560416f66b3f7e4c832b40e523537529ecab6c0074400

    • SHA512

      1f807834794f05a6e5952e3e2e0e47012d44bbb8e00d185ddb6f52069205bebb2440196d60a967b0dc2e8a0d340f23034b5876381c3e447fc745caab48ac7073

    • SSDEEP

      49152:qxGK0l3e3uqbpeMUEobrd83Y92nyU/laeIchcYZ:qxGK09yuqZ

    • 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