Analysis
-
max time kernel
133s -
max time network
138s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
19-11-2024 01:35
Static task
static1
Behavioral task
behavioral1
Sample
2024-11-19_45025b7349da69ceba85cc6521d7a2fd_ryuk.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
2024-11-19_45025b7349da69ceba85cc6521d7a2fd_ryuk.exe
Resource
win10v2004-20241007-en
General
-
Target
2024-11-19_45025b7349da69ceba85cc6521d7a2fd_ryuk.exe
-
Size
4.1MB
-
MD5
45025b7349da69ceba85cc6521d7a2fd
-
SHA1
1e896b4d53ff72559d0ce6f9a463a187d5ec695c
-
SHA256
c10d933869809bff8a24afd1f7db64018f165ce512beb5558e07fe1f00ceb548
-
SHA512
4f6703637ab9230b5c91065fe8b0c1c4a49ee8e64d1bb805734da4efb32f5f66d086c80fe9d8ff00f7b00540b61a926a7480ecba6d17db3c01fd656f0e14f461
-
SSDEEP
49152:qxGK0l3e3uXFBAkc+HQS5bxWATnVNLtKj3IG5ahcqXpOCmiptTH6Z:qxGK09yuyZ
Malware Config
Extracted
meduza
109.107.181.162
-
anti_dbg
true
-
anti_vm
true
-
build_name
703
-
extensions
none
-
grabber_max_size
1.048576e+06
-
links
none
-
port
15666
-
self_destruct
true
Signatures
-
Meduza Stealer payload 47 IoCs
Processes:
resource yara_rule behavioral1/memory/1356-20-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/1356-27-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/1356-26-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/1356-24-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/1356-22-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/1356-21-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/1356-19-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/1356-17-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/1356-16-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/1356-14-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/1356-12-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/1356-10-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/1356-8-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/1356-7-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/1356-5-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/1356-15-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/1356-6-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/1356-43-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/1356-54-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/1356-53-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/1356-52-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/1356-51-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/1356-49-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/1356-48-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/1356-47-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/1356-46-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/1356-44-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/1356-63-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/1356-61-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/1356-59-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/1356-58-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/1356-56-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/1356-55-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/1356-85-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/1356-94-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/1356-88-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/1356-87-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/1356-82-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/1356-83-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/1356-80-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/1356-79-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/1356-75-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/1356-74-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/1356-70-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/1356-66-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/1356-97-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/1356-98-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza -
Meduza family
-
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
2024-11-19_45025b7349da69ceba85cc6521d7a2fd_ryuk.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Control Panel\International\Geo\Nation 2024-11-19_45025b7349da69ceba85cc6521d7a2fd_ryuk.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid Process 2168 cmd.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Accesses Microsoft Outlook profiles 1 TTPs 5 IoCs
Processes:
2024-11-19_45025b7349da69ceba85cc6521d7a2fd_ryuk.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-11-19_45025b7349da69ceba85cc6521d7a2fd_ryuk.exe Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-11-19_45025b7349da69ceba85cc6521d7a2fd_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 2024-11-19_45025b7349da69ceba85cc6521d7a2fd_ryuk.exe Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-11-19_45025b7349da69ceba85cc6521d7a2fd_ryuk.exe Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-11-19_45025b7349da69ceba85cc6521d7a2fd_ryuk.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
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 6 api.ipify.org 4 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
2024-11-19_45025b7349da69ceba85cc6521d7a2fd_ryuk.exedescription pid Process procid_target PID 392 set thread context of 1356 392 2024-11-19_45025b7349da69ceba85cc6521d7a2fd_ryuk.exe 29 -
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 2168 cmd.exe 2484 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
-
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
2024-11-19_45025b7349da69ceba85cc6521d7a2fd_ryuk.exepid Process 1356 2024-11-19_45025b7349da69ceba85cc6521d7a2fd_ryuk.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
2024-11-19_45025b7349da69ceba85cc6521d7a2fd_ryuk.exedescription pid Process Token: SeDebugPrivilege 1356 2024-11-19_45025b7349da69ceba85cc6521d7a2fd_ryuk.exe Token: SeImpersonatePrivilege 1356 2024-11-19_45025b7349da69ceba85cc6521d7a2fd_ryuk.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
2024-11-19_45025b7349da69ceba85cc6521d7a2fd_ryuk.exe2024-11-19_45025b7349da69ceba85cc6521d7a2fd_ryuk.execmd.exedescription pid Process procid_target PID 392 wrote to memory of 1356 392 2024-11-19_45025b7349da69ceba85cc6521d7a2fd_ryuk.exe 29 PID 392 wrote to memory of 1356 392 2024-11-19_45025b7349da69ceba85cc6521d7a2fd_ryuk.exe 29 PID 392 wrote to memory of 1356 392 2024-11-19_45025b7349da69ceba85cc6521d7a2fd_ryuk.exe 29 PID 392 wrote to memory of 1356 392 2024-11-19_45025b7349da69ceba85cc6521d7a2fd_ryuk.exe 29 PID 392 wrote to memory of 1356 392 2024-11-19_45025b7349da69ceba85cc6521d7a2fd_ryuk.exe 29 PID 392 wrote to memory of 1356 392 2024-11-19_45025b7349da69ceba85cc6521d7a2fd_ryuk.exe 29 PID 392 wrote to memory of 1356 392 2024-11-19_45025b7349da69ceba85cc6521d7a2fd_ryuk.exe 29 PID 392 wrote to memory of 1356 392 2024-11-19_45025b7349da69ceba85cc6521d7a2fd_ryuk.exe 29 PID 392 wrote to memory of 1356 392 2024-11-19_45025b7349da69ceba85cc6521d7a2fd_ryuk.exe 29 PID 392 wrote to memory of 1356 392 2024-11-19_45025b7349da69ceba85cc6521d7a2fd_ryuk.exe 29 PID 392 wrote to memory of 1356 392 2024-11-19_45025b7349da69ceba85cc6521d7a2fd_ryuk.exe 29 PID 1356 wrote to memory of 2168 1356 2024-11-19_45025b7349da69ceba85cc6521d7a2fd_ryuk.exe 31 PID 1356 wrote to memory of 2168 1356 2024-11-19_45025b7349da69ceba85cc6521d7a2fd_ryuk.exe 31 PID 1356 wrote to memory of 2168 1356 2024-11-19_45025b7349da69ceba85cc6521d7a2fd_ryuk.exe 31 PID 2168 wrote to memory of 2484 2168 cmd.exe 33 PID 2168 wrote to memory of 2484 2168 cmd.exe 33 PID 2168 wrote to memory of 2484 2168 cmd.exe 33 -
outlook_office_path 1 IoCs
Processes:
2024-11-19_45025b7349da69ceba85cc6521d7a2fd_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 2024-11-19_45025b7349da69ceba85cc6521d7a2fd_ryuk.exe -
outlook_win_path 1 IoCs
Processes:
2024-11-19_45025b7349da69ceba85cc6521d7a2fd_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 2024-11-19_45025b7349da69ceba85cc6521d7a2fd_ryuk.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-11-19_45025b7349da69ceba85cc6521d7a2fd_ryuk.exe"C:\Users\Admin\AppData\Local\Temp\2024-11-19_45025b7349da69ceba85cc6521d7a2fd_ryuk.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:392 -
C:\Users\Admin\AppData\Local\Temp\2024-11-19_45025b7349da69ceba85cc6521d7a2fd_ryuk.exeC:\Users\Admin\AppData\Local\Temp\2024-11-19_45025b7349da69ceba85cc6521d7a2fd_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:1356 -
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\2024-11-19_45025b7349da69ceba85cc6521d7a2fd_ryuk.exe"3⤵
- Deletes itself
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:2168 -
C:\Windows\system32\PING.EXEping 1.1.1.1 -n 1 -w 30004⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:2484
-
-
-
Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1