Analysis
-
max time kernel
148s -
max time network
150s -
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 06:41
Static task
static1
Behavioral task
behavioral1
Sample
2024-11-24_8e316da44988befd23e256a81186c03d_ryuk.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-11-24_8e316da44988befd23e256a81186c03d_ryuk.exe
Resource
win10v2004-20241007-en
General
-
Target
2024-11-24_8e316da44988befd23e256a81186c03d_ryuk.exe
-
Size
4.1MB
-
MD5
8e316da44988befd23e256a81186c03d
-
SHA1
13789ed40e28eed013aa015188ba22bddc421fcd
-
SHA256
718c8acfca6cb168900d287fb91b78105874dec7fc90b597c5f14cdc8470ab08
-
SHA512
2348d4cb21d54bbc2db90ed7c9b69dbebf8263d7ef8c6044b808523785ca1978e4e2614cfc81b2105c6c70e0d471ccf4136926098c5a6226dd25a4acbe8cc670
-
SSDEEP
49152:/xGK0l3e3umgm8mg5Kzul0xOLiD+abB6QKSfdD3Lu29TAedZz:/xGK09yu6Zz
Malware Config
Extracted
meduza
109.107.181.162
-
anti_dbg
true
-
anti_vm
true
-
build_name
749
-
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 behavioral2/memory/4076-5-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/4076-16-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/4076-22-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/4076-24-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/4076-18-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/4076-19-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/4076-15-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/4076-10-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/4076-11-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/4076-17-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/4076-9-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/4076-6-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/4076-12-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/4076-4-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/4076-34-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/4076-33-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/4076-37-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/4076-40-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/4076-39-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/4076-38-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/4076-43-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/4076-76-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/4076-54-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/4076-46-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/4076-47-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/4076-45-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/4076-44-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/4076-82-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/4076-88-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/4076-97-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/4076-98-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/4076-90-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/4076-81-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/4076-78-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/4076-75-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/4076-70-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/4076-69-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/4076-64-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/4076-63-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/4076-60-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/4076-58-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/4076-57-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/4076-52-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/4076-51-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/4076-48-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/4076-101-0x0000000140000000-0x00000001401FA000-memory.dmp family_meduza behavioral2/memory/4076-102-0x0000000140000000-0x00000001401FA000-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:
2024-11-24_8e316da44988befd23e256a81186c03d_ryuk.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation 2024-11-24_8e316da44988befd23e256a81186c03d_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:
2024-11-24_8e316da44988befd23e256a81186c03d_ryuk.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-11-24_8e316da44988befd23e256a81186c03d_ryuk.exe Key opened \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-11-24_8e316da44988befd23e256a81186c03d_ryuk.exe Key opened \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-11-24_8e316da44988befd23e256a81186c03d_ryuk.exe Key opened \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-11-24_8e316da44988befd23e256a81186c03d_ryuk.exe Key opened \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-11-24_8e316da44988befd23e256a81186c03d_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 8 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
2024-11-24_8e316da44988befd23e256a81186c03d_ryuk.exedescription pid Process procid_target PID 1132 set thread context of 4076 1132 2024-11-24_8e316da44988befd23e256a81186c03d_ryuk.exe 83 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
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 1892 cmd.exe 3748 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
-
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
2024-11-24_8e316da44988befd23e256a81186c03d_ryuk.exepid Process 4076 2024-11-24_8e316da44988befd23e256a81186c03d_ryuk.exe 4076 2024-11-24_8e316da44988befd23e256a81186c03d_ryuk.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
2024-11-24_8e316da44988befd23e256a81186c03d_ryuk.exedescription pid Process Token: SeDebugPrivilege 4076 2024-11-24_8e316da44988befd23e256a81186c03d_ryuk.exe Token: SeImpersonatePrivilege 4076 2024-11-24_8e316da44988befd23e256a81186c03d_ryuk.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
2024-11-24_8e316da44988befd23e256a81186c03d_ryuk.exe2024-11-24_8e316da44988befd23e256a81186c03d_ryuk.execmd.exedescription pid Process procid_target PID 1132 wrote to memory of 4076 1132 2024-11-24_8e316da44988befd23e256a81186c03d_ryuk.exe 83 PID 1132 wrote to memory of 4076 1132 2024-11-24_8e316da44988befd23e256a81186c03d_ryuk.exe 83 PID 1132 wrote to memory of 4076 1132 2024-11-24_8e316da44988befd23e256a81186c03d_ryuk.exe 83 PID 1132 wrote to memory of 4076 1132 2024-11-24_8e316da44988befd23e256a81186c03d_ryuk.exe 83 PID 1132 wrote to memory of 4076 1132 2024-11-24_8e316da44988befd23e256a81186c03d_ryuk.exe 83 PID 1132 wrote to memory of 4076 1132 2024-11-24_8e316da44988befd23e256a81186c03d_ryuk.exe 83 PID 1132 wrote to memory of 4076 1132 2024-11-24_8e316da44988befd23e256a81186c03d_ryuk.exe 83 PID 1132 wrote to memory of 4076 1132 2024-11-24_8e316da44988befd23e256a81186c03d_ryuk.exe 83 PID 1132 wrote to memory of 4076 1132 2024-11-24_8e316da44988befd23e256a81186c03d_ryuk.exe 83 PID 1132 wrote to memory of 4076 1132 2024-11-24_8e316da44988befd23e256a81186c03d_ryuk.exe 83 PID 4076 wrote to memory of 1892 4076 2024-11-24_8e316da44988befd23e256a81186c03d_ryuk.exe 96 PID 4076 wrote to memory of 1892 4076 2024-11-24_8e316da44988befd23e256a81186c03d_ryuk.exe 96 PID 1892 wrote to memory of 3748 1892 cmd.exe 98 PID 1892 wrote to memory of 3748 1892 cmd.exe 98 -
outlook_office_path 1 IoCs
Processes:
2024-11-24_8e316da44988befd23e256a81186c03d_ryuk.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-11-24_8e316da44988befd23e256a81186c03d_ryuk.exe -
outlook_win_path 1 IoCs
Processes:
2024-11-24_8e316da44988befd23e256a81186c03d_ryuk.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-11-24_8e316da44988befd23e256a81186c03d_ryuk.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-11-24_8e316da44988befd23e256a81186c03d_ryuk.exe"C:\Users\Admin\AppData\Local\Temp\2024-11-24_8e316da44988befd23e256a81186c03d_ryuk.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1132 -
C:\Users\Admin\AppData\Local\Temp\2024-11-24_8e316da44988befd23e256a81186c03d_ryuk.exeC:\Users\Admin\AppData\Local\Temp\2024-11-24_8e316da44988befd23e256a81186c03d_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:4076 -
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_8e316da44988befd23e256a81186c03d_ryuk.exe"3⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:1892 -
C:\Windows\system32\PING.EXEping 1.1.1.1 -n 1 -w 30004⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:3748
-
-
-
Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1