Analysis
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max time kernel
33s -
max time network
38s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
23-11-2024 06:54
Static task
static1
Behavioral task
behavioral1
Sample
2024-11-23_7c7d0d6b2de056f86ca95d9baaf6c44e_ryuk.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
2024-11-23_7c7d0d6b2de056f86ca95d9baaf6c44e_ryuk.exe
Resource
win10v2004-20241007-en
General
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Target
2024-11-23_7c7d0d6b2de056f86ca95d9baaf6c44e_ryuk.exe
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Size
4.1MB
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MD5
7c7d0d6b2de056f86ca95d9baaf6c44e
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SHA1
6663f7513688f1a346e9e928799fa893ab015fb2
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SHA256
f8f269c80e6cfd9f4e72c56afb40d79294e82443b9c9688988f0cb60e312efca
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SHA512
84afb96c9c436edfbd54f46e19156780c04d6618f6d5b5728f9e9d83b35005d84c02a8f0b2c8724123c1436e40ba95c9d17eab1382b1b709a59691104dd396f2
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SSDEEP
49152:/xGK0l3e3uF0cqW/bXtq3pDu5k/DcU87rwGFo9MmihiHzG97r3SZ:/xGK09yuiZ
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
592
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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 49 IoCs
Processes:
resource yara_rule behavioral1/memory/2432-61-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2432-68-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2432-83-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2432-87-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2432-85-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2432-92-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2432-91-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2432-89-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2432-80-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2432-75-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2432-74-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2432-70-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2432-69-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2432-79-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2432-64-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2432-63-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2432-59-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2432-58-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2432-56-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2432-55-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2432-54-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2432-53-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2432-52-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2432-50-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2432-49-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2432-48-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2432-47-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2432-46-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2432-44-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2432-43-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2432-27-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2432-25-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2432-23-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2432-21-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2432-20-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2432-19-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2432-17-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2432-16-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2432-15-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2432-14-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2432-22-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2432-12-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2432-8-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2432-7-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2432-6-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2432-5-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2432-10-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2432-94-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2432-95-0x0000000140000000-0x00000001401FA000-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:
2024-11-23_7c7d0d6b2de056f86ca95d9baaf6c44e_ryuk.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Control Panel\International\Geo\Nation 2024-11-23_7c7d0d6b2de056f86ca95d9baaf6c44e_ryuk.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 2816 cmd.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:
2024-11-23_7c7d0d6b2de056f86ca95d9baaf6c44e_ryuk.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-11-23_7c7d0d6b2de056f86ca95d9baaf6c44e_ryuk.exe Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-11-23_7c7d0d6b2de056f86ca95d9baaf6c44e_ryuk.exe Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-11-23_7c7d0d6b2de056f86ca95d9baaf6c44e_ryuk.exe Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-11-23_7c7d0d6b2de056f86ca95d9baaf6c44e_ryuk.exe Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-11-23_7c7d0d6b2de056f86ca95d9baaf6c44e_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:
2024-11-23_7c7d0d6b2de056f86ca95d9baaf6c44e_ryuk.exedescription pid process target process PID 2904 set thread context of 2432 2904 2024-11-23_7c7d0d6b2de056f86ca95d9baaf6c44e_ryuk.exe 2024-11-23_7c7d0d6b2de056f86ca95d9baaf6c44e_ryuk.exe -
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 2816 cmd.exe 2704 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
2024-11-23_7c7d0d6b2de056f86ca95d9baaf6c44e_ryuk.exepid process 2432 2024-11-23_7c7d0d6b2de056f86ca95d9baaf6c44e_ryuk.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
2024-11-23_7c7d0d6b2de056f86ca95d9baaf6c44e_ryuk.exedescription pid process Token: SeDebugPrivilege 2432 2024-11-23_7c7d0d6b2de056f86ca95d9baaf6c44e_ryuk.exe Token: SeImpersonatePrivilege 2432 2024-11-23_7c7d0d6b2de056f86ca95d9baaf6c44e_ryuk.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
2024-11-23_7c7d0d6b2de056f86ca95d9baaf6c44e_ryuk.exe2024-11-23_7c7d0d6b2de056f86ca95d9baaf6c44e_ryuk.execmd.exedescription pid process target process PID 2904 wrote to memory of 2432 2904 2024-11-23_7c7d0d6b2de056f86ca95d9baaf6c44e_ryuk.exe 2024-11-23_7c7d0d6b2de056f86ca95d9baaf6c44e_ryuk.exe PID 2904 wrote to memory of 2432 2904 2024-11-23_7c7d0d6b2de056f86ca95d9baaf6c44e_ryuk.exe 2024-11-23_7c7d0d6b2de056f86ca95d9baaf6c44e_ryuk.exe PID 2904 wrote to memory of 2432 2904 2024-11-23_7c7d0d6b2de056f86ca95d9baaf6c44e_ryuk.exe 2024-11-23_7c7d0d6b2de056f86ca95d9baaf6c44e_ryuk.exe PID 2904 wrote to memory of 2432 2904 2024-11-23_7c7d0d6b2de056f86ca95d9baaf6c44e_ryuk.exe 2024-11-23_7c7d0d6b2de056f86ca95d9baaf6c44e_ryuk.exe PID 2904 wrote to memory of 2432 2904 2024-11-23_7c7d0d6b2de056f86ca95d9baaf6c44e_ryuk.exe 2024-11-23_7c7d0d6b2de056f86ca95d9baaf6c44e_ryuk.exe PID 2904 wrote to memory of 2432 2904 2024-11-23_7c7d0d6b2de056f86ca95d9baaf6c44e_ryuk.exe 2024-11-23_7c7d0d6b2de056f86ca95d9baaf6c44e_ryuk.exe PID 2904 wrote to memory of 2432 2904 2024-11-23_7c7d0d6b2de056f86ca95d9baaf6c44e_ryuk.exe 2024-11-23_7c7d0d6b2de056f86ca95d9baaf6c44e_ryuk.exe PID 2904 wrote to memory of 2432 2904 2024-11-23_7c7d0d6b2de056f86ca95d9baaf6c44e_ryuk.exe 2024-11-23_7c7d0d6b2de056f86ca95d9baaf6c44e_ryuk.exe PID 2904 wrote to memory of 2432 2904 2024-11-23_7c7d0d6b2de056f86ca95d9baaf6c44e_ryuk.exe 2024-11-23_7c7d0d6b2de056f86ca95d9baaf6c44e_ryuk.exe PID 2904 wrote to memory of 2432 2904 2024-11-23_7c7d0d6b2de056f86ca95d9baaf6c44e_ryuk.exe 2024-11-23_7c7d0d6b2de056f86ca95d9baaf6c44e_ryuk.exe PID 2904 wrote to memory of 2432 2904 2024-11-23_7c7d0d6b2de056f86ca95d9baaf6c44e_ryuk.exe 2024-11-23_7c7d0d6b2de056f86ca95d9baaf6c44e_ryuk.exe PID 2432 wrote to memory of 2816 2432 2024-11-23_7c7d0d6b2de056f86ca95d9baaf6c44e_ryuk.exe cmd.exe PID 2432 wrote to memory of 2816 2432 2024-11-23_7c7d0d6b2de056f86ca95d9baaf6c44e_ryuk.exe cmd.exe PID 2432 wrote to memory of 2816 2432 2024-11-23_7c7d0d6b2de056f86ca95d9baaf6c44e_ryuk.exe cmd.exe PID 2816 wrote to memory of 2704 2816 cmd.exe PING.EXE PID 2816 wrote to memory of 2704 2816 cmd.exe PING.EXE PID 2816 wrote to memory of 2704 2816 cmd.exe PING.EXE -
outlook_office_path 1 IoCs
Processes:
2024-11-23_7c7d0d6b2de056f86ca95d9baaf6c44e_ryuk.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-11-23_7c7d0d6b2de056f86ca95d9baaf6c44e_ryuk.exe -
outlook_win_path 1 IoCs
Processes:
2024-11-23_7c7d0d6b2de056f86ca95d9baaf6c44e_ryuk.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-11-23_7c7d0d6b2de056f86ca95d9baaf6c44e_ryuk.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-11-23_7c7d0d6b2de056f86ca95d9baaf6c44e_ryuk.exe"C:\Users\Admin\AppData\Local\Temp\2024-11-23_7c7d0d6b2de056f86ca95d9baaf6c44e_ryuk.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2904 -
C:\Users\Admin\AppData\Local\Temp\2024-11-23_7c7d0d6b2de056f86ca95d9baaf6c44e_ryuk.exeC:\Users\Admin\AppData\Local\Temp\2024-11-23_7c7d0d6b2de056f86ca95d9baaf6c44e_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:2432 -
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\2024-11-23_7c7d0d6b2de056f86ca95d9baaf6c44e_ryuk.exe"3⤵
- Deletes itself
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:2816 -
C:\Windows\system32\PING.EXEping 1.1.1.1 -n 1 -w 30004⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:2704
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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