Analysis

  • max time kernel
    95s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-11-2024 01:54

General

  • Target

    2024-11-18_2c4c10262e5593b2959b865f24ebfced_ryuk.exe

  • Size

    3.6MB

  • MD5

    2c4c10262e5593b2959b865f24ebfced

  • SHA1

    b648bbac2c6d612080a0e3500d93cdfb05dead95

  • SHA256

    cfd16c5e23c09bc2eb0cc56bc13dd480b5aec86e5a077e2e1a81251b8f58e467

  • SHA512

    71b346c1c31c8bb2ef52176669765fdaeee7c02483109587e2a7583561d8439bcc8b38df9cf297b1b2611f70d097cd807bc79dba07137e4e2af9864518816638

  • SSDEEP

    49152:7+suA+uKb6Ji8yiW93rZMVmEM0jGiCzED:7Xu5u

Malware Config

Extracted

Family

meduza

C2

127.0.0.1

Attributes
  • anti_dbg

    true

  • anti_vm

    true

  • build_name

    Meduza

  • extensions

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

  • grabber_max_size

    4.194304e+06

  • port

    15666

  • self_destruct

    false

Signatures

  • Meduza

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

  • Meduza Stealer payload 46 IoCs
  • Meduza family
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 5 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-11-18_2c4c10262e5593b2959b865f24ebfced_ryuk.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-18_2c4c10262e5593b2959b865f24ebfced_ryuk.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:364
    • C:\Users\Admin\AppData\Local\Temp\2024-11-18_2c4c10262e5593b2959b865f24ebfced_ryuk.exe
      C:\Users\Admin\AppData\Local\Temp\2024-11-18_2c4c10262e5593b2959b865f24ebfced_ryuk.exe
      2⤵
      • Checks computer location settings
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2340

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/364-0-0x00007FF608820000-0x00007FF608821000-memory.dmp

    Filesize

    4KB

  • memory/2340-2-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-4-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-13-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-15-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-14-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-3-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-10-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-9-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-8-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-7-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-17-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-20-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-22-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-30-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-29-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-36-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-39-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-66-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-85-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-83-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-86-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-87-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-88-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-90-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-96-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-99-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-91-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-89-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-78-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-77-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-72-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-71-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-74-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-58-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-57-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-54-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-52-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-51-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-48-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-45-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-42-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-65-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-34-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-33-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-46-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-40-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB