Analysis
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max time kernel
95s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
24-11-2024 13:33
Static task
static1
Behavioral task
behavioral1
Sample
2024-11-24_c5293ff604e4231fdffaa092fd7c5ca8_ryuk.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
2024-11-24_c5293ff604e4231fdffaa092fd7c5ca8_ryuk.exe
Resource
win10v2004-20241007-en
General
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Target
2024-11-24_c5293ff604e4231fdffaa092fd7c5ca8_ryuk.exe
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Size
4.1MB
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MD5
c5293ff604e4231fdffaa092fd7c5ca8
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SHA1
9e8aeb9ec19b8a6d534360883188872a257bb337
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SHA256
4531a1efd815df17d3a6f247d0850ab5e510de2345723e41c062716e65df686e
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SHA512
57a64316ac3944a4050853f491b85b373fc9e5f393c868d20243fcf1dfda4e733a61cf0348b7e0be25e7b880e49373131c500b5f91e7eb0c345957e070ad5fc9
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SSDEEP
49152:Xl4UjB0jUudKphZByreh+Woao/OZa8XLh+4vBTVlz8svA:14UjKgu8A
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
761
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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/3680-11-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/3680-17-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/3680-15-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/3680-18-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/3680-12-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/3680-10-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/3680-25-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/3680-20-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/3680-19-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/3680-6-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/3680-5-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/3680-9-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/3680-4-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/3680-23-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/3680-34-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/3680-35-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/3680-39-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/3680-45-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/3680-46-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/3680-42-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/3680-77-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/3680-71-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/3680-47-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/3680-88-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/3680-65-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/3680-97-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/3680-90-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/3680-83-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/3680-82-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/3680-79-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/3680-76-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/3680-70-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/3680-64-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/3680-61-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/3680-59-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/3680-55-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/3680-53-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/3680-52-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/3680-48-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/3680-58-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/3680-49-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/3680-41-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/3680-40-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/3680-38-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/3680-100-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/3680-101-0x0000000140000000-0x00000001401FA000-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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation 2024-11-24_c5293ff604e4231fdffaa092fd7c5ca8_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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-11-24_c5293ff604e4231fdffaa092fd7c5ca8_ryuk.exe Key opened \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-11-24_c5293ff604e4231fdffaa092fd7c5ca8_ryuk.exe Key opened \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-11-24_c5293ff604e4231fdffaa092fd7c5ca8_ryuk.exe Key opened \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-11-24_c5293ff604e4231fdffaa092fd7c5ca8_ryuk.exe Key opened \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-11-24_c5293ff604e4231fdffaa092fd7c5ca8_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 5020 set thread context of 3680 5020 2024-11-24_c5293ff604e4231fdffaa092fd7c5ca8_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 2984 cmd.exe 3192 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 3192 PING.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3680 2024-11-24_c5293ff604e4231fdffaa092fd7c5ca8_ryuk.exe 3680 2024-11-24_c5293ff604e4231fdffaa092fd7c5ca8_ryuk.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3680 2024-11-24_c5293ff604e4231fdffaa092fd7c5ca8_ryuk.exe Token: SeImpersonatePrivilege 3680 2024-11-24_c5293ff604e4231fdffaa092fd7c5ca8_ryuk.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 5020 wrote to memory of 3680 5020 2024-11-24_c5293ff604e4231fdffaa092fd7c5ca8_ryuk.exe 83 PID 5020 wrote to memory of 3680 5020 2024-11-24_c5293ff604e4231fdffaa092fd7c5ca8_ryuk.exe 83 PID 5020 wrote to memory of 3680 5020 2024-11-24_c5293ff604e4231fdffaa092fd7c5ca8_ryuk.exe 83 PID 5020 wrote to memory of 3680 5020 2024-11-24_c5293ff604e4231fdffaa092fd7c5ca8_ryuk.exe 83 PID 5020 wrote to memory of 3680 5020 2024-11-24_c5293ff604e4231fdffaa092fd7c5ca8_ryuk.exe 83 PID 5020 wrote to memory of 3680 5020 2024-11-24_c5293ff604e4231fdffaa092fd7c5ca8_ryuk.exe 83 PID 5020 wrote to memory of 3680 5020 2024-11-24_c5293ff604e4231fdffaa092fd7c5ca8_ryuk.exe 83 PID 5020 wrote to memory of 3680 5020 2024-11-24_c5293ff604e4231fdffaa092fd7c5ca8_ryuk.exe 83 PID 5020 wrote to memory of 3680 5020 2024-11-24_c5293ff604e4231fdffaa092fd7c5ca8_ryuk.exe 83 PID 5020 wrote to memory of 3680 5020 2024-11-24_c5293ff604e4231fdffaa092fd7c5ca8_ryuk.exe 83 PID 3680 wrote to memory of 2984 3680 2024-11-24_c5293ff604e4231fdffaa092fd7c5ca8_ryuk.exe 95 PID 3680 wrote to memory of 2984 3680 2024-11-24_c5293ff604e4231fdffaa092fd7c5ca8_ryuk.exe 95 PID 2984 wrote to memory of 3192 2984 cmd.exe 97 PID 2984 wrote to memory of 3192 2984 cmd.exe 97 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-11-24_c5293ff604e4231fdffaa092fd7c5ca8_ryuk.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-11-24_c5293ff604e4231fdffaa092fd7c5ca8_ryuk.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-11-24_c5293ff604e4231fdffaa092fd7c5ca8_ryuk.exe"C:\Users\Admin\AppData\Local\Temp\2024-11-24_c5293ff604e4231fdffaa092fd7c5ca8_ryuk.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5020 -
C:\Users\Admin\AppData\Local\Temp\2024-11-24_c5293ff604e4231fdffaa092fd7c5ca8_ryuk.exe"C:\Users\Admin\AppData\Local\Temp\2024-11-24_c5293ff604e4231fdffaa092fd7c5ca8_ryuk.exe"2⤵
- 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:3680 -
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\2024-11-24_c5293ff604e4231fdffaa092fd7c5ca8_ryuk.exe"3⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:2984 -
C:\Windows\system32\PING.EXEping 1.1.1.1 -n 1 -w 30004⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:3192
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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