Analysis

  • max time kernel
    94s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-12-2024 15:28

General

  • Target

    2024-12-14_ad6acdfef8c43ce3cb36347d05ed3853_cobalt-strike_ryuk.exe

  • Size

    3.1MB

  • MD5

    ad6acdfef8c43ce3cb36347d05ed3853

  • SHA1

    06b115c49269694ecbf49ec3bcb1298d385c315a

  • SHA256

    007b35ee7d490e9efcb6abd1114d049f44f0d09242309ee9f877e72ec7e87ff1

  • SHA512

    87078dfa525df65dff4d6e589d0f8412a3ec2c8d6c454464a56549f7508505c1fc6f5fa1b419cc8dee0e59fbaa6e941d9886021fd822522a2aa164fc7b9a2952

  • SSDEEP

    49152:u9HsRAKr2VC09l4gSZRYqEMzYoASz38hIt04:u

Malware Config

Extracted

Family

meduza

C2

45.130.145.152

Attributes
  • anti_dbg

    true

  • anti_vm

    true

  • build_name

    Santa

  • extensions

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

  • grabber_max_size

    4.194304e+06

  • port

    15666

  • self_destruct

    true

Signatures

  • Meduza

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

  • Meduza Stealer payload 53 IoCs
  • Meduza family
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-12-14_ad6acdfef8c43ce3cb36347d05ed3853_cobalt-strike_ryuk.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-14_ad6acdfef8c43ce3cb36347d05ed3853_cobalt-strike_ryuk.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:5016
    • C:\Users\Admin\AppData\Local\Temp\2024-12-14_ad6acdfef8c43ce3cb36347d05ed3853_cobalt-strike_ryuk.exe
      "C:\Users\Admin\AppData\Local\Temp\2024-12-14_ad6acdfef8c43ce3cb36347d05ed3853_cobalt-strike_ryuk.exe"
      2⤵
      • Checks computer location settings
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:2420
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /C ping 1.1.1.1 -n 1 -w 3000 > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\2024-12-14_ad6acdfef8c43ce3cb36347d05ed3853_cobalt-strike_ryuk.exe"
        3⤵
        • System Network Configuration Discovery: Internet Connection Discovery
        • Suspicious use of WriteProcessMemory
        PID:1592
        • C:\Windows\system32\PING.EXE
          ping 1.1.1.1 -n 1 -w 3000
          4⤵
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:1752

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2420-0-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2420-1-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2420-13-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2420-14-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2420-11-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2420-8-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2420-7-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2420-19-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2420-12-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2420-21-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2420-16-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2420-15-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2420-6-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2420-5-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2420-3-0x00000000C0120000-0x00000000C0121000-memory.dmp

    Filesize

    4KB

  • memory/2420-2-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2420-31-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2420-30-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2420-34-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2420-44-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2420-43-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2420-45-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2420-55-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2420-62-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2420-86-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2420-76-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2420-91-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2420-92-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2420-94-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2420-99-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2420-93-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2420-90-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2420-89-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2420-68-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2420-61-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2420-58-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2420-56-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2420-52-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2420-50-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2420-88-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2420-79-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2420-80-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2420-74-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2420-67-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2420-46-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2420-49-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2420-41-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2420-42-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2420-40-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2420-37-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2420-36-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2420-35-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2420-102-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/2420-103-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB