Analysis
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max time kernel
94s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
18-11-2024 01:50
Static task
static1
Behavioral task
behavioral1
Sample
2024-11-18_1e8c2c514e077c11e8517a7b83c70e1a_ryuk.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-11-18_1e8c2c514e077c11e8517a7b83c70e1a_ryuk.exe
Resource
win10v2004-20241007-en
General
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Target
2024-11-18_1e8c2c514e077c11e8517a7b83c70e1a_ryuk.exe
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Size
4.1MB
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MD5
1e8c2c514e077c11e8517a7b83c70e1a
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SHA1
84185a8560b366bf0f2e0f4ac8de084e36205085
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SHA256
82c254b9b56dc718bf407190a1da8da69eada2aad11303e853b867c2fff9cbd2
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SHA512
c445923b40ebe08429dfbb068f48869c1fa45412cf198ab2e65ed9c2b0d8d2572012d8a6cf46ba3f0cc3f71127f7e5059e27fab3aec84dd1cf59a5d17ba51448
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SSDEEP
49152:qxGK0l3e3u35um6SuIGgWyLEYBL8lQh9vToHBwpeesE2BvJ7rjqL5alz6Z:qxGK09yuRZ
Malware Config
Extracted
meduza
109.107.181.162
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anti_dbg
true
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anti_vm
true
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build_name
701
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extensions
none
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grabber_max_size
1.048576e+06
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links
none
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port
15666
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self_destruct
true
Signatures
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Meduza Stealer payload 46 IoCs
resource yara_rule behavioral2/memory/1604-6-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/1604-5-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/1604-17-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/1604-16-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/1604-18-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/1604-20-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/1604-23-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/1604-25-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/1604-19-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/1604-15-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/1604-12-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/1604-11-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/1604-10-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/1604-9-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/1604-4-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/1604-32-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/1604-33-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/1604-42-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/1604-44-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/1604-43-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/1604-39-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/1604-36-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/1604-38-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/1604-37-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/1604-46-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/1604-51-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/1604-80-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/1604-88-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/1604-86-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/1604-95-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/1604-81-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/1604-77-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/1604-69-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/1604-68-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/1604-63-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/1604-59-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/1604-57-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/1604-56-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/1604-75-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/1604-74-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/1604-62-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/1604-53-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/1604-45-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/1604-49-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/1604-98-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/1604-99-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza -
Meduza family
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation 2024-11-18_1e8c2c514e077c11e8517a7b83c70e1a_ryuk.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 5 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-11-18_1e8c2c514e077c11e8517a7b83c70e1a_ryuk.exe Key opened \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-11-18_1e8c2c514e077c11e8517a7b83c70e1a_ryuk.exe Key opened \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-11-18_1e8c2c514e077c11e8517a7b83c70e1a_ryuk.exe Key opened \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-11-18_1e8c2c514e077c11e8517a7b83c70e1a_ryuk.exe Key opened \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-11-18_1e8c2c514e077c11e8517a7b83c70e1a_ryuk.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 6 api.ipify.org 7 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3092 set thread context of 1604 3092 2024-11-18_1e8c2c514e077c11e8517a7b83c70e1a_ryuk.exe 83 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 4548 cmd.exe 2976 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2976 PING.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1604 2024-11-18_1e8c2c514e077c11e8517a7b83c70e1a_ryuk.exe 1604 2024-11-18_1e8c2c514e077c11e8517a7b83c70e1a_ryuk.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1604 2024-11-18_1e8c2c514e077c11e8517a7b83c70e1a_ryuk.exe Token: SeImpersonatePrivilege 1604 2024-11-18_1e8c2c514e077c11e8517a7b83c70e1a_ryuk.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 3092 wrote to memory of 1604 3092 2024-11-18_1e8c2c514e077c11e8517a7b83c70e1a_ryuk.exe 83 PID 3092 wrote to memory of 1604 3092 2024-11-18_1e8c2c514e077c11e8517a7b83c70e1a_ryuk.exe 83 PID 3092 wrote to memory of 1604 3092 2024-11-18_1e8c2c514e077c11e8517a7b83c70e1a_ryuk.exe 83 PID 3092 wrote to memory of 1604 3092 2024-11-18_1e8c2c514e077c11e8517a7b83c70e1a_ryuk.exe 83 PID 3092 wrote to memory of 1604 3092 2024-11-18_1e8c2c514e077c11e8517a7b83c70e1a_ryuk.exe 83 PID 3092 wrote to memory of 1604 3092 2024-11-18_1e8c2c514e077c11e8517a7b83c70e1a_ryuk.exe 83 PID 3092 wrote to memory of 1604 3092 2024-11-18_1e8c2c514e077c11e8517a7b83c70e1a_ryuk.exe 83 PID 3092 wrote to memory of 1604 3092 2024-11-18_1e8c2c514e077c11e8517a7b83c70e1a_ryuk.exe 83 PID 3092 wrote to memory of 1604 3092 2024-11-18_1e8c2c514e077c11e8517a7b83c70e1a_ryuk.exe 83 PID 3092 wrote to memory of 1604 3092 2024-11-18_1e8c2c514e077c11e8517a7b83c70e1a_ryuk.exe 83 PID 1604 wrote to memory of 4548 1604 2024-11-18_1e8c2c514e077c11e8517a7b83c70e1a_ryuk.exe 92 PID 1604 wrote to memory of 4548 1604 2024-11-18_1e8c2c514e077c11e8517a7b83c70e1a_ryuk.exe 92 PID 4548 wrote to memory of 2976 4548 cmd.exe 94 PID 4548 wrote to memory of 2976 4548 cmd.exe 94 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-11-18_1e8c2c514e077c11e8517a7b83c70e1a_ryuk.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-11-18_1e8c2c514e077c11e8517a7b83c70e1a_ryuk.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-11-18_1e8c2c514e077c11e8517a7b83c70e1a_ryuk.exe"C:\Users\Admin\AppData\Local\Temp\2024-11-18_1e8c2c514e077c11e8517a7b83c70e1a_ryuk.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3092 -
C:\Users\Admin\AppData\Local\Temp\2024-11-18_1e8c2c514e077c11e8517a7b83c70e1a_ryuk.exeC:\Users\Admin\AppData\Local\Temp\2024-11-18_1e8c2c514e077c11e8517a7b83c70e1a_ryuk.exe2⤵
- 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:1604 -
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\2024-11-18_1e8c2c514e077c11e8517a7b83c70e1a_ryuk.exe"3⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:4548 -
C:\Windows\system32\PING.EXEping 1.1.1.1 -n 1 -w 30004⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:2976
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Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1