General

  • Target

    2024-11-19_45025b7349da69ceba85cc6521d7a2fd_ryuk

  • Size

    4.1MB

  • Sample

    241119-bzxmjsylds

  • MD5

    45025b7349da69ceba85cc6521d7a2fd

  • SHA1

    1e896b4d53ff72559d0ce6f9a463a187d5ec695c

  • SHA256

    c10d933869809bff8a24afd1f7db64018f165ce512beb5558e07fe1f00ceb548

  • SHA512

    4f6703637ab9230b5c91065fe8b0c1c4a49ee8e64d1bb805734da4efb32f5f66d086c80fe9d8ff00f7b00540b61a926a7480ecba6d17db3c01fd656f0e14f461

  • SSDEEP

    49152:qxGK0l3e3uXFBAkc+HQS5bxWATnVNLtKj3IG5ahcqXpOCmiptTH6Z:qxGK09yuyZ

Malware Config

Extracted

Family

meduza

C2

109.107.181.162

Attributes
  • anti_dbg

    true

  • anti_vm

    true

  • build_name

    703

  • extensions

    none

  • grabber_max_size

    1.048576e+06

  • links

    none

  • port

    15666

  • self_destruct

    true

Targets

    • Target

      2024-11-19_45025b7349da69ceba85cc6521d7a2fd_ryuk

    • Size

      4.1MB

    • MD5

      45025b7349da69ceba85cc6521d7a2fd

    • SHA1

      1e896b4d53ff72559d0ce6f9a463a187d5ec695c

    • SHA256

      c10d933869809bff8a24afd1f7db64018f165ce512beb5558e07fe1f00ceb548

    • SHA512

      4f6703637ab9230b5c91065fe8b0c1c4a49ee8e64d1bb805734da4efb32f5f66d086c80fe9d8ff00f7b00540b61a926a7480ecba6d17db3c01fd656f0e14f461

    • SSDEEP

      49152:qxGK0l3e3uXFBAkc+HQS5bxWATnVNLtKj3IG5ahcqXpOCmiptTH6Z:qxGK09yuyZ

    • 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