General

  • Target

    2024-12-08_36517f5bfae396a1d223e7491a3044cc_ryuk

  • Size

    4.1MB

  • Sample

    241208-msv1xs1mcz

  • MD5

    36517f5bfae396a1d223e7491a3044cc

  • SHA1

    591a20349741340b21e0d3ea7d70a7df4043e925

  • SHA256

    e5d7e8537578b6c2f2ad9d842c51fcda0535c82b4e84c52537afe852687aa5f2

  • SHA512

    23dac5a4cca030209d9e35ba04bf0388aa0088d5e7ba4020978e77e1eeefe7f70be60bd8ccdfb81732523b726b225c6df48d005857f5b4424ec3df52f13b6394

  • SSDEEP

    49152:Xl4UjB0jUuB5ykrT/v+Qcr9tF3Vm2Jzd8SgN1IRA:14UjKguKA

Malware Config

Extracted

Family

meduza

C2

5.252.155.28

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

      2024-12-08_36517f5bfae396a1d223e7491a3044cc_ryuk

    • Size

      4.1MB

    • MD5

      36517f5bfae396a1d223e7491a3044cc

    • SHA1

      591a20349741340b21e0d3ea7d70a7df4043e925

    • SHA256

      e5d7e8537578b6c2f2ad9d842c51fcda0535c82b4e84c52537afe852687aa5f2

    • SHA512

      23dac5a4cca030209d9e35ba04bf0388aa0088d5e7ba4020978e77e1eeefe7f70be60bd8ccdfb81732523b726b225c6df48d005857f5b4424ec3df52f13b6394

    • SSDEEP

      49152:Xl4UjB0jUuB5ykrT/v+Qcr9tF3Vm2Jzd8SgN1IRA:14UjKguKA

    • 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