Analysis Overview
SHA256
365c6bf29ff892f1999570a5c37c7aaa82189f25414e3a3aafa9a806c224194e
Threat Level: Known bad
The file 2024-11-11_8c82122d164f7f1529a012963ba3b74b_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
Checks installed software on the system
Looks up external IP address via web service
Accesses Microsoft Outlook profiles
Suspicious use of SetThreadContext
System Network Configuration Discovery: Internet Connection Discovery
Enumerates physical storage devices
Unsigned PE
Browser Information Discovery
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
outlook_win_path
outlook_office_path
Runs ping.exe
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-11 16:31
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-11 16:31
Reported
2024-11-11 16:33
Platform
win7-20241023-en
Max time kernel
122s
Max time network
123s
Command Line
Signatures
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 596 wrote to memory of 2516 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-11_8c82122d164f7f1529a012963ba3b74b_ryuk.exe | C:\Users\Admin\AppData\Local\Temp\2024-11-11_8c82122d164f7f1529a012963ba3b74b_ryuk.exe |
| PID 596 wrote to memory of 2516 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-11_8c82122d164f7f1529a012963ba3b74b_ryuk.exe | C:\Users\Admin\AppData\Local\Temp\2024-11-11_8c82122d164f7f1529a012963ba3b74b_ryuk.exe |
| PID 596 wrote to memory of 2516 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-11_8c82122d164f7f1529a012963ba3b74b_ryuk.exe | C:\Users\Admin\AppData\Local\Temp\2024-11-11_8c82122d164f7f1529a012963ba3b74b_ryuk.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-11-11_8c82122d164f7f1529a012963ba3b74b_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-11_8c82122d164f7f1529a012963ba3b74b_ryuk.exe"
C:\Users\Admin\AppData\Local\Temp\2024-11-11_8c82122d164f7f1529a012963ba3b74b_ryuk.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-11_8c82122d164f7f1529a012963ba3b74b_ryuk.exe
Network
Files
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-11 16:31
Reported
2024-11-11 16:34
Platform
win10v2004-20241007-en
Max time kernel
149s
Max time network
159s
Command Line
Signatures
Meduza
Meduza Stealer payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Meduza family
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-11-11_8c82122d164f7f1529a012963ba3b74b_ryuk.exe | N/A |
Reads user/profile data of web browsers
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-11_8c82122d164f7f1529a012963ba3b74b_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-11_8c82122d164f7f1529a012963ba3b74b_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-11_8c82122d164f7f1529a012963ba3b74b_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-11_8c82122d164f7f1529a012963ba3b74b_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-11_8c82122d164f7f1529a012963ba3b74b_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 3996 set thread context of 1516 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-11_8c82122d164f7f1529a012963ba3b74b_ryuk.exe | C:\Users\Admin\AppData\Local\Temp\2024-11-11_8c82122d164f7f1529a012963ba3b74b_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\2024-11-11_8c82122d164f7f1529a012963ba3b74b_ryuk.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-11_8c82122d164f7f1529a012963ba3b74b_ryuk.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-11_8c82122d164f7f1529a012963ba3b74b_ryuk.exe | N/A |
| Token: SeImpersonatePrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-11_8c82122d164f7f1529a012963ba3b74b_ryuk.exe | N/A |
Suspicious use of WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-11_8c82122d164f7f1529a012963ba3b74b_ryuk.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-11_8c82122d164f7f1529a012963ba3b74b_ryuk.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-11-11_8c82122d164f7f1529a012963ba3b74b_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-11_8c82122d164f7f1529a012963ba3b74b_ryuk.exe"
C:\Users\Admin\AppData\Local\Temp\2024-11-11_8c82122d164f7f1529a012963ba3b74b_ryuk.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-11_8c82122d164f7f1529a012963ba3b74b_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\2024-11-11_8c82122d164f7f1529a012963ba3b74b_ryuk.exe"
C:\Windows\system32\PING.EXE
ping 1.1.1.1 -n 1 -w 3000
Network
| Country | Destination | Domain | Proto |
| DE | 109.107.181.162:15666 | tcp | |
| US | 8.8.8.8:53 | api.ipify.org | udp |
| US | 104.26.13.205:443 | api.ipify.org | tcp |
| US | 8.8.8.8:53 | c.pki.goog | udp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 162.181.107.109.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.13.26.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| GB | 142.250.187.227:80 | c.pki.goog | tcp |
| US | 8.8.8.8:53 | 227.187.250.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 197.87.175.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | udp |
Files
memory/1516-0-0x0000000140000000-0x000000014013E000-memory.dmp
memory/1516-1-0x0000000140000000-0x000000014013E000-memory.dmp
memory/1516-2-0x0000000140000000-0x000000014013E000-memory.dmp
memory/1516-3-0x0000000140000000-0x000000014013E000-memory.dmp
memory/1516-12-0x0000000140000000-0x000000014013E000-memory.dmp
memory/1516-13-0x0000000140000000-0x000000014013E000-memory.dmp