Analysis Overview
SHA256
98673dbe7eb9b78140a4e215e7f028ce40393371c39debd0fde5a37534c4b8c8
Threat Level: Known bad
The file 2024-11-17_a6a5175d334d452e5f7ecb4a7c59ccc7_ryuk was found to be: Known bad.
Malicious Activity Summary
Meduza family
Meduza Stealer payload
Meduza
Checks computer location settings
Reads user/profile data of web browsers
Accesses Microsoft Outlook profiles
Checks installed software on the system
Looks up external IP address via web service
Suspicious use of SetThreadContext
Browser Information Discovery
Enumerates physical storage devices
System Network Configuration Discovery: Internet Connection Discovery
Unsigned PE
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
outlook_office_path
Suspicious use of WriteProcessMemory
outlook_win_path
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-17 10:24
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
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Analysis: behavioral1
Detonation Overview
Submitted
2024-11-17 10:24
Reported
2024-11-17 10:27
Platform
win7-20240903-en
Max time kernel
117s
Max time network
121s
Command Line
Signatures
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2532 wrote to memory of 1784 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-17_a6a5175d334d452e5f7ecb4a7c59ccc7_ryuk.exe | C:\Users\Admin\AppData\Local\Temp\2024-11-17_a6a5175d334d452e5f7ecb4a7c59ccc7_ryuk.exe |
| PID 2532 wrote to memory of 1784 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-17_a6a5175d334d452e5f7ecb4a7c59ccc7_ryuk.exe | C:\Users\Admin\AppData\Local\Temp\2024-11-17_a6a5175d334d452e5f7ecb4a7c59ccc7_ryuk.exe |
| PID 2532 wrote to memory of 1784 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-17_a6a5175d334d452e5f7ecb4a7c59ccc7_ryuk.exe | C:\Users\Admin\AppData\Local\Temp\2024-11-17_a6a5175d334d452e5f7ecb4a7c59ccc7_ryuk.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-11-17_a6a5175d334d452e5f7ecb4a7c59ccc7_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-17_a6a5175d334d452e5f7ecb4a7c59ccc7_ryuk.exe"
C:\Users\Admin\AppData\Local\Temp\2024-11-17_a6a5175d334d452e5f7ecb4a7c59ccc7_ryuk.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-17_a6a5175d334d452e5f7ecb4a7c59ccc7_ryuk.exe
Network
Files
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-17 10:24
Reported
2024-11-17 10:27
Platform
win10v2004-20241007-en
Max time kernel
149s
Max time network
153s
Command Line
Signatures
Meduza
Meduza Stealer payload
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Meduza family
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-11-17_a6a5175d334d452e5f7ecb4a7c59ccc7_ryuk.exe | N/A |
Reads user/profile data of web browsers
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-17_a6a5175d334d452e5f7ecb4a7c59ccc7_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-17_a6a5175d334d452e5f7ecb4a7c59ccc7_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-17_a6a5175d334d452e5f7ecb4a7c59ccc7_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-17_a6a5175d334d452e5f7ecb4a7c59ccc7_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-17_a6a5175d334d452e5f7ecb4a7c59ccc7_ryuk.exe | N/A |
Checks installed software on the system
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | api.ipify.org | N/A | N/A |
| N/A | api.ipify.org | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4172 set thread context of 3688 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-17_a6a5175d334d452e5f7ecb4a7c59ccc7_ryuk.exe | C:\Users\Admin\AppData\Local\Temp\2024-11-17_a6a5175d334d452e5f7ecb4a7c59ccc7_ryuk.exe |
Browser Information Discovery
Enumerates physical storage devices
System Network Configuration Discovery: Internet Connection Discovery
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\cmd.exe | N/A |
| N/A | N/A | C:\Windows\system32\PING.EXE | N/A |
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\PING.EXE | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-17_a6a5175d334d452e5f7ecb4a7c59ccc7_ryuk.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-17_a6a5175d334d452e5f7ecb4a7c59ccc7_ryuk.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-17_a6a5175d334d452e5f7ecb4a7c59ccc7_ryuk.exe | N/A |
| Token: SeImpersonatePrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-17_a6a5175d334d452e5f7ecb4a7c59ccc7_ryuk.exe | N/A |
Suspicious use of WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-17_a6a5175d334d452e5f7ecb4a7c59ccc7_ryuk.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-17_a6a5175d334d452e5f7ecb4a7c59ccc7_ryuk.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-11-17_a6a5175d334d452e5f7ecb4a7c59ccc7_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-17_a6a5175d334d452e5f7ecb4a7c59ccc7_ryuk.exe"
C:\Users\Admin\AppData\Local\Temp\2024-11-17_a6a5175d334d452e5f7ecb4a7c59ccc7_ryuk.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-17_a6a5175d334d452e5f7ecb4a7c59ccc7_ryuk.exe
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\2024-11-17_a6a5175d334d452e5f7ecb4a7c59ccc7_ryuk.exe"
C:\Windows\system32\PING.EXE
ping 1.1.1.1 -n 1 -w 3000
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| DE | 109.107.181.162:15666 | tcp | |
| US | 8.8.8.8:53 | api.ipify.org | udp |
| US | 104.26.12.205:443 | api.ipify.org | tcp |
| US | 8.8.8.8:53 | c.pki.goog | udp |
| GB | 216.58.201.99:80 | c.pki.goog | tcp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 162.181.107.109.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.12.26.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.163.245.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
Files
memory/4172-0-0x00007FF63BB40000-0x00007FF63BB41000-memory.dmp
memory/3688-5-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/3688-16-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/3688-22-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/3688-24-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/3688-18-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/3688-19-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/3688-17-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/3688-15-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/3688-12-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/3688-10-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/3688-9-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/3688-6-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/3688-11-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/3688-4-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/3688-31-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/3688-32-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/3688-36-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/3688-37-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/3688-42-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/3688-38-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/3688-35-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/3688-43-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/3688-44-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/3688-39-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/3688-45-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/3688-77-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/3688-88-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/3688-86-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/3688-95-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/3688-81-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/3688-80-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/3688-75-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/3688-70-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/3688-74-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/3688-62-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/3688-61-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/3688-56-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/3688-55-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/3688-52-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/3688-50-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/3688-49-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/3688-46-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/3688-67-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/3688-58-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/3688-98-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/3688-99-0x0000000140000000-0x00000001401FA000-memory.dmp