General

  • Target

    2024-11-24_fe53abd09ec3e1bc8b9e028a616cce14_ryuk

  • Size

    4.1MB

  • Sample

    241124-lg8xzatne1

  • MD5

    fe53abd09ec3e1bc8b9e028a616cce14

  • SHA1

    bc994988e23ade721da8297db07f3cc3c3498855

  • SHA256

    86d17835e8af2dc82a502bc4ce78d6703a38ca6e77ec3593821f36dcb99e5a4c

  • SHA512

    2d3d546dd4fcc7c2cdb7ba00aac6744eede2c04f77d8c597127e634b5782342efbf44eb7ec535658eb182aac3bf3944478ebe548c2d9d452b17c5c411a316d26

  • SSDEEP

    49152:qxGK0l3e3uOxpnwa/DI8AmYZLSX9Yg+zkVkF9qXhdW4DTAn5m5kBKQy3fyZlVuZF:qxGK09yuYZL

Malware Config

Extracted

Family

meduza

C2

109.107.181.162

Attributes
  • anti_dbg

    true

  • anti_vm

    true

  • build_name

    592

  • extensions

    none

  • grabber_max_size

    1.048576e+06

  • links

    none

  • port

    15666

  • self_destruct

    true

Targets

    • Target

      2024-11-24_fe53abd09ec3e1bc8b9e028a616cce14_ryuk

    • Size

      4.1MB

    • MD5

      fe53abd09ec3e1bc8b9e028a616cce14

    • SHA1

      bc994988e23ade721da8297db07f3cc3c3498855

    • SHA256

      86d17835e8af2dc82a502bc4ce78d6703a38ca6e77ec3593821f36dcb99e5a4c

    • SHA512

      2d3d546dd4fcc7c2cdb7ba00aac6744eede2c04f77d8c597127e634b5782342efbf44eb7ec535658eb182aac3bf3944478ebe548c2d9d452b17c5c411a316d26

    • SSDEEP

      49152:qxGK0l3e3uOxpnwa/DI8AmYZLSX9Yg+zkVkF9qXhdW4DTAn5m5kBKQy3fyZlVuZF:qxGK09yuYZL

    • 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