Analysis
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max time kernel
94s -
max time network
140s -
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 02:00
Static task
static1
Behavioral task
behavioral1
Sample
2024-11-18_53278ab5cbf6e6e7516a3da6318cdc27_ryuk.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-11-18_53278ab5cbf6e6e7516a3da6318cdc27_ryuk.exe
Resource
win10v2004-20241007-en
General
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Target
2024-11-18_53278ab5cbf6e6e7516a3da6318cdc27_ryuk.exe
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Size
4.1MB
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MD5
53278ab5cbf6e6e7516a3da6318cdc27
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SHA1
96dba4f5cae615986bf4565aa78f65cbe5e6ee1a
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SHA256
4d37b1110a7736049e29fadaf8910a314c03df90fba9e98de6e96d80acea73bd
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SHA512
f355bc3403be62b1efc0c87ac93803a37f0ed63ee7bb4f82752584c8ba5f6ee48ec3f7f5c298879f85a1d32298df0fe6c41f8d93ccb2c4a3d626f66b60c46dfc
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SSDEEP
49152:qxGK0l3e3uF3cLtEj/Lch6GPr4gA3y0lFUCzGEsDLsDPNXpRZ:qxGK09yuVZ
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
420
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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 48 IoCs
resource yara_rule behavioral2/memory/620-4-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/620-6-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/620-15-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/620-24-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/620-22-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/620-19-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/620-18-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/620-17-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/620-12-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/620-11-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/620-10-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/620-16-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/620-5-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/620-9-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/620-34-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/620-33-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/620-37-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/620-45-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/620-46-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/620-44-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/620-47-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/620-40-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/620-43-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/620-39-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/620-38-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/620-61-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/620-59-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/620-65-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/620-73-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/620-85-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/620-98-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/620-92-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/620-90-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/620-83-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/620-80-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/620-78-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/620-71-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/620-66-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/620-64-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/620-77-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/620-58-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/620-55-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/620-53-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/620-52-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/620-48-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/620-49-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/620-101-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/620-102-0x0000000140000000-0x00000001401FA000-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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation 2024-11-18_53278ab5cbf6e6e7516a3da6318cdc27_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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-11-18_53278ab5cbf6e6e7516a3da6318cdc27_ryuk.exe Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-11-18_53278ab5cbf6e6e7516a3da6318cdc27_ryuk.exe Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-11-18_53278ab5cbf6e6e7516a3da6318cdc27_ryuk.exe Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-11-18_53278ab5cbf6e6e7516a3da6318cdc27_ryuk.exe Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-11-18_53278ab5cbf6e6e7516a3da6318cdc27_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 4 api.ipify.org 5 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1260 set thread context of 620 1260 2024-11-18_53278ab5cbf6e6e7516a3da6318cdc27_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 3508 cmd.exe 2940 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2940 PING.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 620 2024-11-18_53278ab5cbf6e6e7516a3da6318cdc27_ryuk.exe 620 2024-11-18_53278ab5cbf6e6e7516a3da6318cdc27_ryuk.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 620 2024-11-18_53278ab5cbf6e6e7516a3da6318cdc27_ryuk.exe Token: SeImpersonatePrivilege 620 2024-11-18_53278ab5cbf6e6e7516a3da6318cdc27_ryuk.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 1260 wrote to memory of 620 1260 2024-11-18_53278ab5cbf6e6e7516a3da6318cdc27_ryuk.exe 83 PID 1260 wrote to memory of 620 1260 2024-11-18_53278ab5cbf6e6e7516a3da6318cdc27_ryuk.exe 83 PID 1260 wrote to memory of 620 1260 2024-11-18_53278ab5cbf6e6e7516a3da6318cdc27_ryuk.exe 83 PID 1260 wrote to memory of 620 1260 2024-11-18_53278ab5cbf6e6e7516a3da6318cdc27_ryuk.exe 83 PID 1260 wrote to memory of 620 1260 2024-11-18_53278ab5cbf6e6e7516a3da6318cdc27_ryuk.exe 83 PID 1260 wrote to memory of 620 1260 2024-11-18_53278ab5cbf6e6e7516a3da6318cdc27_ryuk.exe 83 PID 1260 wrote to memory of 620 1260 2024-11-18_53278ab5cbf6e6e7516a3da6318cdc27_ryuk.exe 83 PID 1260 wrote to memory of 620 1260 2024-11-18_53278ab5cbf6e6e7516a3da6318cdc27_ryuk.exe 83 PID 1260 wrote to memory of 620 1260 2024-11-18_53278ab5cbf6e6e7516a3da6318cdc27_ryuk.exe 83 PID 1260 wrote to memory of 620 1260 2024-11-18_53278ab5cbf6e6e7516a3da6318cdc27_ryuk.exe 83 PID 620 wrote to memory of 3508 620 2024-11-18_53278ab5cbf6e6e7516a3da6318cdc27_ryuk.exe 95 PID 620 wrote to memory of 3508 620 2024-11-18_53278ab5cbf6e6e7516a3da6318cdc27_ryuk.exe 95 PID 3508 wrote to memory of 2940 3508 cmd.exe 97 PID 3508 wrote to memory of 2940 3508 cmd.exe 97 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-11-18_53278ab5cbf6e6e7516a3da6318cdc27_ryuk.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-11-18_53278ab5cbf6e6e7516a3da6318cdc27_ryuk.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-11-18_53278ab5cbf6e6e7516a3da6318cdc27_ryuk.exe"C:\Users\Admin\AppData\Local\Temp\2024-11-18_53278ab5cbf6e6e7516a3da6318cdc27_ryuk.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1260 -
C:\Users\Admin\AppData\Local\Temp\2024-11-18_53278ab5cbf6e6e7516a3da6318cdc27_ryuk.exeC:\Users\Admin\AppData\Local\Temp\2024-11-18_53278ab5cbf6e6e7516a3da6318cdc27_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:620 -
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_53278ab5cbf6e6e7516a3da6318cdc27_ryuk.exe"3⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:3508 -
C:\Windows\system32\PING.EXEping 1.1.1.1 -n 1 -w 30004⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:2940
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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