General

  • Target

    2024-11-23_3f6b461548bdf92e28da68177b1c6e5c_ryuk

  • Size

    4.1MB

  • Sample

    241123-pswnka1mdj

  • MD5

    3f6b461548bdf92e28da68177b1c6e5c

  • SHA1

    6f8d46823ac5710ba74f5e9f90429dd64ae792f3

  • SHA256

    cc332b2b190d6bed3bfccf6f7b878a2065cf70babd1cc79a65b7adeadf130323

  • SHA512

    2a8c3421b7c5f718077efe03970de7e716eceffeea39df6b5e4cdf6d8468b896a60b6842d8d174cdc96e58a372b3cbfd07fedcb308f9348a6860e441c72bb88f

  • SSDEEP

    49152:Xl4UjB0jUuCPKPjJKq5q4ifpH2dqbIKL0fvDF+dTUKPLHA:14UjKgusA

Malware Config

Extracted

Family

meduza

C2

109.107.181.162

Attributes
  • anti_dbg

    true

  • anti_vm

    true

  • build_name

    439

  • extensions

    none

  • grabber_max_size

    1.048576e+06

  • links

    none

  • port

    15666

  • self_destruct

    true

Targets

    • Target

      2024-11-23_3f6b461548bdf92e28da68177b1c6e5c_ryuk

    • Size

      4.1MB

    • MD5

      3f6b461548bdf92e28da68177b1c6e5c

    • SHA1

      6f8d46823ac5710ba74f5e9f90429dd64ae792f3

    • SHA256

      cc332b2b190d6bed3bfccf6f7b878a2065cf70babd1cc79a65b7adeadf130323

    • SHA512

      2a8c3421b7c5f718077efe03970de7e716eceffeea39df6b5e4cdf6d8468b896a60b6842d8d174cdc96e58a372b3cbfd07fedcb308f9348a6860e441c72bb88f

    • SSDEEP

      49152:Xl4UjB0jUuCPKPjJKq5q4ifpH2dqbIKL0fvDF+dTUKPLHA:14UjKgusA

    • 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