Analysis
-
max time kernel
122s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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
-
Target
2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe
-
Size
3.6MB
-
MD5
589710b609ea72dbc57f0f3c1abcffc0
-
SHA1
c1d2f2e37f7334a1abef7be7db15abfa7ea89fdb
-
SHA256
b3695b4a42ef5d5cc9a037917d101ecee76367f7091a78dedb6fd086d86969cf
-
SHA512
2340c7956e5e6497ff2448ff420d61f61f5a28831f60ea7781a84491dc9a4cb12fedf8c0fcc18837aaa4daab89fab87e781eef8e8c324561abea58dc51f1861d
-
SSDEEP
49152:0Qusxfs8dviPhCCuI6vKHOmjhH6tDEZI16oGN2WBMp:5Xp
Malware Config
Extracted
meduza
109.107.181.162
-
anti_dbg
true
-
anti_vm
true
-
build_name
635
-
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/2300-10-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2300-19-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2300-23-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2300-25-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2300-21-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2300-20-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2300-18-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2300-17-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2300-15-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2300-14-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2300-13-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2300-12-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2300-6-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2300-5-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2300-4-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2300-3-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2300-8-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2300-40-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2300-43-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2300-39-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2300-45-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2300-48-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2300-49-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2300-46-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2300-44-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2300-42-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2300-57-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2300-60-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2300-65-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2300-55-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2300-54-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2300-52-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2300-51-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2300-50-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2300-59-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2300-81-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2300-87-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2300-83-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2300-79-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2300-77-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2300-75-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2300-74-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2300-70-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2300-69-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2300-64-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2300-85-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral1/memory/2300-90-0x0000000140000000-0x00000001401FA000-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:
2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\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.
-
Accesses Microsoft Outlook profiles 1 TTPs 5 IoCs
Processes:
2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe Key opened \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe Key opened \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe Key opened \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe Key opened \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\SOFTWARE\Microsoft\Office\15.0\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.
-
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 5 api.ipify.org 6 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exedescription pid process target process PID 876 set thread context of 2300 876 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_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 2764 cmd.exe 2372 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
-
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exepid process 2300 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exedescription pid process Token: SeDebugPrivilege 2300 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe Token: SeImpersonatePrivilege 2300 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.execmd.exedescription pid process target process PID 876 wrote to memory of 2300 876 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe PID 876 wrote to memory of 2300 876 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe PID 876 wrote to memory of 2300 876 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe PID 876 wrote to memory of 2300 876 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe PID 876 wrote to memory of 2300 876 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe PID 876 wrote to memory of 2300 876 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe PID 876 wrote to memory of 2300 876 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe PID 876 wrote to memory of 2300 876 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe PID 876 wrote to memory of 2300 876 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe PID 876 wrote to memory of 2300 876 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe PID 876 wrote to memory of 2300 876 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe PID 2300 wrote to memory of 2764 2300 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe cmd.exe PID 2300 wrote to memory of 2764 2300 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe cmd.exe PID 2300 wrote to memory of 2764 2300 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe cmd.exe PID 2764 wrote to memory of 2372 2764 cmd.exe PING.EXE PID 2764 wrote to memory of 2372 2764 cmd.exe PING.EXE PID 2764 wrote to memory of 2372 2764 cmd.exe PING.EXE -
outlook_office_path 1 IoCs
Processes:
2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\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-1-5-21-312935884-697965778-3955649944-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-11-12_589710b609ea72dbc57f0f3c1abcffc0_ryuk.exe
Processes
-
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:876 -
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:2300 -
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:2764 -
C:\Windows\system32\PING.EXEping 1.1.1.1 -n 1 -w 30004⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:2372
-
-
-
Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1