Analysis
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max time kernel
94s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
12-11-2024 09:26
Static task
static1
Behavioral task
behavioral1
Sample
2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe
Resource
win10v2004-20241007-en
General
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Target
2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe
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Size
3.6MB
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MD5
589710b609ea72dbc57f0f3c1abcffc0
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SHA1
c1d2f2e37f7334a1abef7be7db15abfa7ea89fdb
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SHA256
b3695b4a42ef5d5cc9a037917d101ecee76367f7091a78dedb6fd086d86969cf
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SHA512
2340c7956e5e6497ff2448ff420d61f61f5a28831f60ea7781a84491dc9a4cb12fedf8c0fcc18837aaa4daab89fab87e781eef8e8c324561abea58dc51f1861d
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SSDEEP
49152:0Qusxfs8dviPhCCuI6vKHOmjhH6tDEZI16oGN2WBMp:5Xp
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
635
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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 47 IoCs
Processes:
resource yara_rule behavioral2/memory/456-1-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/456-11-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/456-13-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/456-14-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/456-19-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/456-21-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/456-16-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/456-15-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/456-8-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/456-7-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/456-5-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/456-6-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/456-0-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/456-2-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/456-31-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/456-30-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/456-35-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/456-34-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/456-36-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/456-42-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/456-43-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/456-41-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/456-38-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/456-55-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/456-76-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/456-79-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/456-86-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/456-88-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/456-82-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/456-74-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/456-73-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/456-68-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/456-67-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/456-62-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/456-61-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/456-58-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/456-57-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/456-54-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/456-49-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/456-48-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/456-45-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/456-44-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/456-51-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/456-37-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/456-95-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/456-98-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/456-99-0x0000000140000000-0x00000001401FA000-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.
Processes:
2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_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
Processes:
2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe Key opened \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe Key opened \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe Key opened \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe Key opened \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_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.
Processes:
flow ioc 4 api.ipify.org 5 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exedescription pid Process procid_target PID 4296 set thread context of 456 4296 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe 84 -
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.
Processes:
cmd.exePING.EXEpid Process 1712 cmd.exe 1436 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exepid Process 456 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe 456 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exedescription pid Process Token: SeDebugPrivilege 456 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe Token: SeImpersonatePrivilege 456 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.execmd.exedescription pid Process procid_target PID 4296 wrote to memory of 456 4296 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe 84 PID 4296 wrote to memory of 456 4296 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe 84 PID 4296 wrote to memory of 456 4296 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe 84 PID 4296 wrote to memory of 456 4296 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe 84 PID 4296 wrote to memory of 456 4296 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe 84 PID 4296 wrote to memory of 456 4296 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe 84 PID 4296 wrote to memory of 456 4296 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe 84 PID 4296 wrote to memory of 456 4296 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe 84 PID 4296 wrote to memory of 456 4296 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe 84 PID 4296 wrote to memory of 456 4296 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe 84 PID 456 wrote to memory of 1712 456 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe 91 PID 456 wrote to memory of 1712 456 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe 91 PID 1712 wrote to memory of 1436 1712 cmd.exe 93 PID 1712 wrote to memory of 1436 1712 cmd.exe 93 -
outlook_office_path 1 IoCs
Processes:
2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe -
outlook_win_path 1 IoCs
Processes:
2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe"C:\Users\Admin\AppData\Local\Temp\2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4296 -
C:\Users\Admin\AppData\Local\Temp\2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exeC:\Users\Admin\AppData\Local\Temp\2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_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:456 -
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\2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe"3⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:1712 -
C:\Windows\system32\PING.EXEping 1.1.1.1 -n 1 -w 30004⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:1436
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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