General

  • Target

    2024-11-20_ffb37a64e91c59db36040b8ba7c6bdad_ryuk

  • Size

    3.6MB

  • Sample

    241120-cnfekayajg

  • MD5

    ffb37a64e91c59db36040b8ba7c6bdad

  • SHA1

    cb8d52d44bf6fbe94d793cf3f222f6a956eb32cf

  • SHA256

    598c3b6790b9743c04ffec399bbd8096f873a1edcf32ee6fb6bd3c30900095cd

  • SHA512

    bbd54464e14138bf375390b74097521fb95c1dc9cd07834d709983ff73433cdbf5061afb9bdf1d50b093e1705f990d6c7b451bcfbe017f2ed0f656f010ef0edc

  • SSDEEP

    49152:0QusxfsBXlpHgWycTjhkT4hE53e4ndn4fvFhPCNIFQv9n6Vp:5op

Malware Config

Extracted

Family

meduza

C2

109.107.181.162

Attributes
  • anti_dbg

    true

  • anti_vm

    true

  • build_name

    700

  • extensions

    none

  • grabber_max_size

    1.048576e+06

  • links

    none

  • port

    15666

  • self_destruct

    true

Targets

    • Target

      2024-11-20_ffb37a64e91c59db36040b8ba7c6bdad_ryuk

    • Size

      3.6MB

    • MD5

      ffb37a64e91c59db36040b8ba7c6bdad

    • SHA1

      cb8d52d44bf6fbe94d793cf3f222f6a956eb32cf

    • SHA256

      598c3b6790b9743c04ffec399bbd8096f873a1edcf32ee6fb6bd3c30900095cd

    • SHA512

      bbd54464e14138bf375390b74097521fb95c1dc9cd07834d709983ff73433cdbf5061afb9bdf1d50b093e1705f990d6c7b451bcfbe017f2ed0f656f010ef0edc

    • SSDEEP

      49152:0QusxfsBXlpHgWycTjhkT4hE53e4ndn4fvFhPCNIFQv9n6Vp:5op

    • 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