Analysis Overview
SHA256
349bbccc9d601af30dfcc8cf9b33ecd4eb403b6e1056a72a6838b673c056b0b4
Threat Level: Known bad
The file 2024-11-06_5024f2c3f11375e0893ccda0e04ebfdd_ryuk was found to be: Known bad.
Malicious Activity Summary
Meduza Stealer payload
Meduza
Meduza family
Deletes itself
Checks computer location settings
Reads user/profile data of web browsers
Looks up external IP address via web service
Checks installed software on the system
Accesses Microsoft Outlook profiles
Suspicious use of SetThreadContext
Browser Information Discovery
System Network Configuration Discovery: Internet Connection Discovery
Enumerates physical storage devices
Unsigned PE
Suspicious use of AdjustPrivilegeToken
outlook_win_path
outlook_office_path
Runs ping.exe
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-06 06:26
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-06 06:26
Reported
2024-11-06 06:29
Platform
win10v2004-20241007-en
Max time kernel
133s
Max time network
149s
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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-11-06_5024f2c3f11375e0893ccda0e04ebfdd_ryuk.exe | N/A |
Reads user/profile data of web browsers
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-06_5024f2c3f11375e0893ccda0e04ebfdd_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-06_5024f2c3f11375e0893ccda0e04ebfdd_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-06_5024f2c3f11375e0893ccda0e04ebfdd_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-06_5024f2c3f11375e0893ccda0e04ebfdd_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-06_5024f2c3f11375e0893ccda0e04ebfdd_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 3108 set thread context of 3892 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-06_5024f2c3f11375e0893ccda0e04ebfdd_ryuk.exe | C:\Users\Admin\AppData\Local\Temp\2024-11-06_5024f2c3f11375e0893ccda0e04ebfdd_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\2024-11-06_5024f2c3f11375e0893ccda0e04ebfdd_ryuk.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-06_5024f2c3f11375e0893ccda0e04ebfdd_ryuk.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-06_5024f2c3f11375e0893ccda0e04ebfdd_ryuk.exe | N/A |
| Token: SeImpersonatePrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-06_5024f2c3f11375e0893ccda0e04ebfdd_ryuk.exe | N/A |
Suspicious use of WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-06_5024f2c3f11375e0893ccda0e04ebfdd_ryuk.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-06_5024f2c3f11375e0893ccda0e04ebfdd_ryuk.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-11-06_5024f2c3f11375e0893ccda0e04ebfdd_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-06_5024f2c3f11375e0893ccda0e04ebfdd_ryuk.exe"
C:\Users\Admin\AppData\Local\Temp\2024-11-06_5024f2c3f11375e0893ccda0e04ebfdd_ryuk.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-06_5024f2c3f11375e0893ccda0e04ebfdd_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\2024-11-06_5024f2c3f11375e0893ccda0e04ebfdd_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 | 104.26.12.205:443 | api.ipify.org | tcp |
| 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 | c.pki.goog | udp |
| GB | 142.250.187.227:80 | c.pki.goog | tcp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 150.171.27.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 227.187.250.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 197.87.175.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
Files
memory/3892-2-0x0000000140000000-0x000000014013E000-memory.dmp
memory/3892-0-0x0000000140000000-0x000000014013E000-memory.dmp
memory/3892-3-0x0000000140000000-0x000000014013E000-memory.dmp
memory/3892-1-0x0000000140000000-0x000000014013E000-memory.dmp
memory/3892-12-0x0000000140000000-0x000000014013E000-memory.dmp
memory/3892-13-0x0000000140000000-0x000000014013E000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-06 06:26
Reported
2024-11-06 06:29
Platform
win7-20240903-en
Max time kernel
120s
Max time network
120s
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 |
| 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-1-5-21-2872745919-2748461613-2989606286-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-11-06_5024f2c3f11375e0893ccda0e04ebfdd_ryuk.exe | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\cmd.exe | N/A |
Reads user/profile data of web browsers
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-06_5024f2c3f11375e0893ccda0e04ebfdd_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-06_5024f2c3f11375e0893ccda0e04ebfdd_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-06_5024f2c3f11375e0893ccda0e04ebfdd_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-06_5024f2c3f11375e0893ccda0e04ebfdd_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-06_5024f2c3f11375e0893ccda0e04ebfdd_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 1964 set thread context of 1920 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-06_5024f2c3f11375e0893ccda0e04ebfdd_ryuk.exe | C:\Users\Admin\AppData\Local\Temp\2024-11-06_5024f2c3f11375e0893ccda0e04ebfdd_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\2024-11-06_5024f2c3f11375e0893ccda0e04ebfdd_ryuk.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-06_5024f2c3f11375e0893ccda0e04ebfdd_ryuk.exe | N/A |
| Token: SeImpersonatePrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-06_5024f2c3f11375e0893ccda0e04ebfdd_ryuk.exe | N/A |
Suspicious use of WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-06_5024f2c3f11375e0893ccda0e04ebfdd_ryuk.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-06_5024f2c3f11375e0893ccda0e04ebfdd_ryuk.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-11-06_5024f2c3f11375e0893ccda0e04ebfdd_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-06_5024f2c3f11375e0893ccda0e04ebfdd_ryuk.exe"
C:\Users\Admin\AppData\Local\Temp\2024-11-06_5024f2c3f11375e0893ccda0e04ebfdd_ryuk.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-06_5024f2c3f11375e0893ccda0e04ebfdd_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\2024-11-06_5024f2c3f11375e0893ccda0e04ebfdd_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 | 104.26.12.205:443 | api.ipify.org | tcp |
| US | 8.8.8.8:53 | c.pki.goog | udp |
| GB | 142.250.187.227:80 | c.pki.goog | tcp |
| US | 8.8.8.8:53 | crl.microsoft.com | udp |
| GB | 2.19.252.143:80 | crl.microsoft.com | tcp |
Files
memory/1920-0-0x0000000140000000-0x000000014013E000-memory.dmp
memory/1920-8-0x0000000140000000-0x000000014013E000-memory.dmp
memory/1920-10-0x0000000140000000-0x000000014013E000-memory.dmp
memory/1920-11-0x0000000140000000-0x000000014013E000-memory.dmp
memory/1920-7-0x000007FFFFFDA000-0x000007FFFFFDB000-memory.dmp
memory/1920-6-0x0000000140000000-0x000000014013E000-memory.dmp
memory/1920-5-0x0000000140000000-0x000000014013E000-memory.dmp
memory/1920-4-0x0000000140000000-0x000000014013E000-memory.dmp
memory/1920-3-0x0000000140000000-0x000000014013E000-memory.dmp
memory/1920-1-0x0000000140000000-0x000000014013E000-memory.dmp
memory/1920-2-0x0000000140000000-0x000000014013E000-memory.dmp
memory/1920-25-0x0000000140000000-0x000000014013E000-memory.dmp
memory/1920-26-0x0000000140000000-0x000000014013E000-memory.dmp