General

  • Target

    OceanicTools.exe

  • Size

    22.2MB

  • Sample

    241012-3jx2xs1hlk

  • MD5

    f975ef6b34160bff3ba3c8c815f9e77c

  • SHA1

    4b818a41b68f8ed6f6719db14e19f955a60aebe8

  • SHA256

    ae04f1bc929f6f83a4010f59fcc1f78caea5d198ae3779c7e058608effcc56af

  • SHA512

    ba08c564b363affea6c39394955feb327a6c15cde9a5b83806088fcfdb4b4464deb24dcbca0e2cb5f26ae9172d7c8fb94ed58e0a534bf21deb4957363f67a222

  • SSDEEP

    98304:XHE3AU4FiZ0ZXawT/2MMlOLG9ffkTj8cywcAk:U3u0Z0EdM1LGdUjKA

Malware Config

Extracted

Family

meduza

C2

79.137.202.152

Attributes
  • anti_dbg

    true

  • anti_vm

    true

  • build_name

    Legenda

  • extensions

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

  • grabber_max_size

    1.048576e+06

  • port

    15666

  • self_destruct

    true

Targets

    • Target

      OceanicTools.exe

    • Size

      22.2MB

    • MD5

      f975ef6b34160bff3ba3c8c815f9e77c

    • SHA1

      4b818a41b68f8ed6f6719db14e19f955a60aebe8

    • SHA256

      ae04f1bc929f6f83a4010f59fcc1f78caea5d198ae3779c7e058608effcc56af

    • SHA512

      ba08c564b363affea6c39394955feb327a6c15cde9a5b83806088fcfdb4b4464deb24dcbca0e2cb5f26ae9172d7c8fb94ed58e0a534bf21deb4957363f67a222

    • SSDEEP

      98304:XHE3AU4FiZ0ZXawT/2MMlOLG9ffkTj8cywcAk:U3u0Z0EdM1LGdUjKA

    • Meduza

      Meduza is a crypto wallet and info stealer written in C++.

    • Meduza Stealer payload

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • 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.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • 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