| File name: | 2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk |
| Full analysis: | https://app.any.run/tasks/8b672db3-9d7e-4741-94d5-a23607452b3b |
| Verdict: | Malicious activity |
| Threats: | Meduza Stealer is an information-stealing malware primarily targeting Windows systems, designed to harvest sensitive data such as login credentials, browsing histories, cookies, cryptocurrency wallets, and password manager data. It has advanced anti-detection mechanisms, allowing it to evade many antivirus programs. The malware is distributed through various means, including phishing emails and malicious links. It’s marketed on underground forums and Telegram channels. |
| Analysis date: | December 14, 2024, 09:50:48 |
| OS: | Windows 10 Professional (build: 19045, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/vnd.microsoft.portable-executable |
| File info: | PE32+ executable (GUI) x86-64, for MS Windows, 10 sections |
| MD5: | 36B15B22CCF73ECFEC445F9BD7DC59FF |
| SHA1: | 4736A7FEB57398E3EFDE894647B038014CED93DC |
| SHA256: | B4DE7F656A143CB9A5A1836836F0E90D1707A92E66685D15D54E3EB203FA9476 |
| SSDEEP: | 24576:rxIk/KjsyoZlCOjSXM8ZiPC9RSjFqfH48RdFNE2YRM+MBgOoJ14/fe7P/e:rxIkPXjoM80dX87FNE7ME7P |
MALICIOUS
Steals credentials from Web Browsers
- 2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe (PID: 5872)
Actions looks like stealing of personal data
- 2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe (PID: 5872)
MEDUZASTEALER has been detected (SURICATA)
- 2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe (PID: 5872)
SUSPICIOUS
Application launched itself
- 2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe (PID: 3620)
- 2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe (PID: 5920)
Reads security settings of Internet Explorer
- 2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe (PID: 5872)
Potential Corporate Privacy Violation
- 2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe (PID: 5872)
Checks Windows Trust Settings
- 2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe (PID: 5872)
Searches for installed software
- 2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe (PID: 5872)
Connects to unusual port
- 2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe (PID: 5872)
The process connected to a server suspected of theft
- 2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe (PID: 5872)
Checks for external IP
- 2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe (PID: 5872)
INFO
Reads the machine GUID from the registry
- 2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe (PID: 5432)
- 2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe (PID: 5872)
Checks transactions between databases Windows and Oracle
- 2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe (PID: 5432)
Checks supported languages
- 2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe (PID: 3620)
- 2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe (PID: 5432)
- 2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe (PID: 5920)
- 2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe (PID: 5872)
Reads the computer name
- 2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe (PID: 5432)
- 2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe (PID: 5872)
The process uses the downloaded file
- dllhost.exe (PID: 2612)
Reads security settings of Internet Explorer
- dllhost.exe (PID: 2612)
Reads product name
- 2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe (PID: 5872)
Reads Environment values
- 2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe (PID: 5872)
Reads the software policy settings
- 2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe (PID: 5872)
Process checks computer location settings
- 2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe (PID: 5872)
Checks proxy server information
- 2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe (PID: 5872)
Reads the time zone
- 2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe (PID: 5872)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Generic Win/DOS Executable (50) |
|---|---|---|
| .exe | | | DOS Executable Generic (49.9) |
EXIF
EXE
| MachineType: | AMD AMD64 |
|---|---|
| TimeStamp: | 2024:12:10 14:34:19+00:00 |
| ImageFileCharacteristics: | Executable, Large address aware |
| PEType: | PE32+ |
| LinkerVersion: | 14 |
| CodeSize: | 72192 |
| InitializedDataSize: | 3202048 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x4e10 |
| OSVersion: | 6 |
| ImageVersion: | - |
| SubsystemVersion: | 6 |
| Subsystem: | Windows GUI |
Total processes
124
Monitored processes
6
Malicious processes
3
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 5920 | "C:\Users\admin\Desktop\2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe" | C:\Users\admin\Desktop\2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe | — | explorer.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 5432 | "C:\Users\admin\Desktop\2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe" | C:\Users\admin\Desktop\2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe | — | 2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 1630 Modules
| |||||||||||||||
| 3988 | C:\WINDOWS\system32\DllHost.exe /Processid:{3E5FC7F9-9A51-4367-9063-A120244FBEC7} | C:\Windows\System32\dllhost.exe | — | svchost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: COM Surrogate Exit code: 0 Version: 10.0.19041.3636 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2612 | C:\WINDOWS\system32\DllHost.exe /Processid:{D2E7041B-2927-42FB-8E9F-7CE93B6DC937} | C:\Windows\System32\dllhost.exe | — | svchost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: COM Surrogate Exit code: 0 Version: 10.0.19041.3636 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 3620 | "C:\Users\admin\Desktop\2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe" | C:\Users\admin\Desktop\2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe | — | dllhost.exe | |||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Modules
| |||||||||||||||
| 5872 | "C:\Users\admin\Desktop\2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe" | C:\Users\admin\Desktop\2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe | 2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe | ||||||||||||
User: admin Integrity Level: HIGH Modules
| |||||||||||||||
Total events
4 194
Read events
4 192
Write events
1
Delete events
1
Modification events
| (PID) Process: | (3988) dllhost.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ICM\Calibration |
| Operation: | write | Name: | DisplayCalibrator |
Value: C:\Users\admin\Desktop\2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe | |||
| (PID) Process: | (3988) dllhost.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ICM\Calibration |
| Operation: | delete value | Name: | DisplayCalibrator |
Value: C:\Users\admin\Desktop\2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe | |||
Executable files
0
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
5
TCP/UDP connections
21
DNS requests
7
Threats
11
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
2220 | svchost.exe | GET | 200 | 2.16.241.12:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
4712 | MoUsoCoreWorker.exe | GET | 200 | 2.16.241.12:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
4712 | MoUsoCoreWorker.exe | GET | 200 | 88.221.169.152:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
2220 | svchost.exe | GET | 200 | 88.221.169.152:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
— | — | GET | 200 | 104.26.13.205:443 | https://api.ipify.org/ | unknown | text | 13 b | malicious |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
4712 | MoUsoCoreWorker.exe | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
— | — | 192.168.100.255:137 | — | — | — | whitelisted |
2220 | svchost.exe | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
— | — | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
5872 | 2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe | 45.130.145.152:15666 | — | LLC Baxet | RU | malicious |
5872 | 2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe | 104.26.12.205:443 | api.ipify.org | CLOUDFLARENET | US | shared |
4712 | MoUsoCoreWorker.exe | 2.16.241.12:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
2220 | svchost.exe | 2.16.241.12:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
4712 | MoUsoCoreWorker.exe | 88.221.169.152:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
api.ipify.org |
| shared |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
self.events.data.microsoft.com |
| whitelisted |
Threats
PID | Process | Class | Message |
|---|---|---|---|
— | — | Misc activity | ET INFO External IP Lookup Domain (ipify .org) in DNS Lookup |
— | — | Misc activity | ET INFO External IP Address Lookup Domain (ipify .org) in TLS SNI |
— | — | Potential Corporate Privacy Violation | ET POLICY Possible IP Check api.ipify.org |
— | — | A Network Trojan was detected | ET MALWARE [ANY.RUN] Possible Meduza Stealer Exfiltration (TCP) |
— | — | A Network Trojan was detected | ET MALWARE [ANY.RUN] Possible Meduza Stealer Exfiltration (TCP) |
— | — | A Network Trojan was detected | ET MALWARE [ANY.RUN] Meduza Stealer Exfiltration M1 |
— | — | A Network Trojan was detected | ET MALWARE [ANY.RUN] Meduza Stealer Exfiltration M1 |
— | — | Successful Credential Theft Detected | STEALER [ANY.RUN] Meduza Stealer |
— | — | Successful Credential Theft Detected | STEALER [ANY.RUN] Possible Meduza Stealer Exfiltration (TCP) |
— | — | Successful Credential Theft Detected | STEALER [ANY.RUN] Meduza Stealer |