Analysis Overview
SHA256
9277af2aca20333cd009cbb5ef9b74ade3b0dfba1b7f30d09f46e49c416bf6da
Threat Level: Known bad
The file 2024-11-06_3618438fe272a4c5105028c48dba124b_ryuk was found to be: Known bad.
Malicious Activity Summary
Meduza family
Meduza Stealer payload
Meduza
Reads user/profile data of web browsers
Checks computer location settings
Deletes itself
Checks installed software on the system
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Suspicious use of SetThreadContext
Browser Information Discovery
System Network Configuration Discovery: Internet Connection Discovery
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
outlook_win_path
outlook_office_path
Runs ping.exe
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-06 05:45
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-06 05:45
Reported
2024-11-06 05:47
Platform
win7-20240729-en
Max time kernel
90s
Max time network
32s
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 |
Meduza family
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-11-06_3618438fe272a4c5105028c48dba124b_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-1-5-21-2703099537-420551529-3771253338-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-06_3618438fe272a4c5105028c48dba124b_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-06_3618438fe272a4c5105028c48dba124b_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-06_3618438fe272a4c5105028c48dba124b_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-06_3618438fe272a4c5105028c48dba124b_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-06_3618438fe272a4c5105028c48dba124b_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 2748 set thread context of 2440 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-06_3618438fe272a4c5105028c48dba124b_ryuk.exe | C:\Users\Admin\AppData\Local\Temp\2024-11-06_3618438fe272a4c5105028c48dba124b_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_3618438fe272a4c5105028c48dba124b_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_3618438fe272a4c5105028c48dba124b_ryuk.exe | N/A |
| Token: SeImpersonatePrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-06_3618438fe272a4c5105028c48dba124b_ryuk.exe | N/A |
Suspicious use of WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-06_3618438fe272a4c5105028c48dba124b_ryuk.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-06_3618438fe272a4c5105028c48dba124b_ryuk.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-11-06_3618438fe272a4c5105028c48dba124b_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-06_3618438fe272a4c5105028c48dba124b_ryuk.exe"
C:\Users\Admin\AppData\Local\Temp\2024-11-06_3618438fe272a4c5105028c48dba124b_ryuk.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-06_3618438fe272a4c5105028c48dba124b_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_3618438fe272a4c5105028c48dba124b_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 | www.microsoft.com | udp |
| GB | 92.123.241.137:80 | www.microsoft.com | tcp |
| US | 8.8.8.8:53 | crl.microsoft.com | udp |
| GB | 2.19.252.143:80 | crl.microsoft.com | tcp |
Files
memory/2440-0-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2440-1-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2440-9-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2440-11-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2440-12-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2440-7-0x000007FFFFFDF000-0x000007FFFFFE0000-memory.dmp
memory/2440-6-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2440-4-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2440-3-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2440-2-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2440-5-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2440-28-0x0000000140000000-0x000000014013E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-06 05:45
Reported
2024-11-06 05:47
Platform
win10v2004-20241007-en
Max time kernel
133s
Max time network
139s
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 |
Meduza family
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-11-06_3618438fe272a4c5105028c48dba124b_ryuk.exe | N/A |
Reads user/profile data of web browsers
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-06_3618438fe272a4c5105028c48dba124b_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-06_3618438fe272a4c5105028c48dba124b_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-06_3618438fe272a4c5105028c48dba124b_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-06_3618438fe272a4c5105028c48dba124b_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-06_3618438fe272a4c5105028c48dba124b_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 2280 set thread context of 2588 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-06_3618438fe272a4c5105028c48dba124b_ryuk.exe | C:\Users\Admin\AppData\Local\Temp\2024-11-06_3618438fe272a4c5105028c48dba124b_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_3618438fe272a4c5105028c48dba124b_ryuk.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-06_3618438fe272a4c5105028c48dba124b_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_3618438fe272a4c5105028c48dba124b_ryuk.exe | N/A |
| Token: SeImpersonatePrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-06_3618438fe272a4c5105028c48dba124b_ryuk.exe | N/A |
Suspicious use of WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-06_3618438fe272a4c5105028c48dba124b_ryuk.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-06_3618438fe272a4c5105028c48dba124b_ryuk.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-11-06_3618438fe272a4c5105028c48dba124b_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-06_3618438fe272a4c5105028c48dba124b_ryuk.exe"
C:\Users\Admin\AppData\Local\Temp\2024-11-06_3618438fe272a4c5105028c48dba124b_ryuk.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-06_3618438fe272a4c5105028c48dba124b_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_3618438fe272a4c5105028c48dba124b_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 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 162.181.107.109.in-addr.arpa | udp |
| US | 8.8.8.8:53 | api.ipify.org | udp |
| US | 104.26.13.205:443 | 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 | 205.13.26.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 74.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 227.187.250.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 197.87.175.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
Files
memory/2588-0-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2588-2-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2588-1-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2588-3-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2588-12-0x0000000140000000-0x000000014013E000-memory.dmp