General

  • Target

    2024-11-11_82da7a7a39369c65c434bdf3e9ff04bc_ryuk

  • Size

    3.6MB

  • Sample

    241111-lf232a1kbr

  • MD5

    82da7a7a39369c65c434bdf3e9ff04bc

  • SHA1

    239a6526857faaf632cc8b06663084004b8370ef

  • SHA256

    6b318607e1d44b5a87de5a9577045728cee8028ddc19de7309d87919368b7751

  • SHA512

    51d3c6bdf3863b86e956c2d13802414e08927dae5aaee0e9dc227198816141ee26a5d42ed38fded123614d5a16549e15d7ca0e7e7d09bc3a73d61bccf958d056

  • SSDEEP

    24576:wiSVYduVRYxf0fXRwSHYwC2xiS137KgliCcCwZV9fmCiUbZGkMv+NDxvjxs72qrY:0QusxfsGS4QxB1WqY9OmwfCvjW3k9p

Malware Config

Extracted

Family

meduza

C2

109.107.181.162

Attributes
  • anti_dbg

    true

  • anti_vm

    true

  • build_name

    420

  • extensions

    none

  • grabber_max_size

    1.048576e+06

  • links

    none

  • port

    15666

  • self_destruct

    true

Targets

    • Target

      2024-11-11_82da7a7a39369c65c434bdf3e9ff04bc_ryuk

    • Size

      3.6MB

    • MD5

      82da7a7a39369c65c434bdf3e9ff04bc

    • SHA1

      239a6526857faaf632cc8b06663084004b8370ef

    • SHA256

      6b318607e1d44b5a87de5a9577045728cee8028ddc19de7309d87919368b7751

    • SHA512

      51d3c6bdf3863b86e956c2d13802414e08927dae5aaee0e9dc227198816141ee26a5d42ed38fded123614d5a16549e15d7ca0e7e7d09bc3a73d61bccf958d056

    • SSDEEP

      24576:wiSVYduVRYxf0fXRwSHYwC2xiS137KgliCcCwZV9fmCiUbZGkMv+NDxvjxs72qrY:0QusxfsGS4QxB1WqY9OmwfCvjW3k9p

    • 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