General

  • Target

    2025-01-05_c251321bdb97f33285932896c5063a9e_cobalt-strike_ryuk

  • Size

    3.1MB

  • Sample

    250105-l6z2cs1lby

  • MD5

    c251321bdb97f33285932896c5063a9e

  • SHA1

    f8513e5063998e4f2ce674e55a795aac55344695

  • SHA256

    415fd38b660f02db2cd016eb150b825d7badc7faee3864ffa1557589b0964d1e

  • SHA512

    3c8128a04eec494e062d3bc86141471e4c97d32230598f88da754d662d10c99f4d217b0af65dfbeb878db48387a3eba8260620c4abaea7762a0a213e3086a313

  • SSDEEP

    49152:UCz3bTLndYdXzb85JZym2cW5CYzT2eE1Onl+bv:U

Malware Config

Extracted

Family

meduza

C2

45.130.145.152

Attributes
  • anti_dbg

    true

  • anti_vm

    true

  • build_name

    Punish

  • extensions

    .txt;.doc;.docx;.pdf;.xls;.xlsx;.log;.db;.sqlite

  • grabber_max_size

    4.194304e+06

  • port

    15666

  • self_destruct

    true

Targets

    • Target

      2025-01-05_c251321bdb97f33285932896c5063a9e_cobalt-strike_ryuk

    • Size

      3.1MB

    • MD5

      c251321bdb97f33285932896c5063a9e

    • SHA1

      f8513e5063998e4f2ce674e55a795aac55344695

    • SHA256

      415fd38b660f02db2cd016eb150b825d7badc7faee3864ffa1557589b0964d1e

    • SHA512

      3c8128a04eec494e062d3bc86141471e4c97d32230598f88da754d662d10c99f4d217b0af65dfbeb878db48387a3eba8260620c4abaea7762a0a213e3086a313

    • SSDEEP

      49152:UCz3bTLndYdXzb85JZym2cW5CYzT2eE1Onl+bv:U

    • 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

    • 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