| File name: | fs.exe |
| Full analysis: | https://app.any.run/tasks/e49315e1-ba83-44dc-ac41-96b75a6b9bbd |
| Verdict: | Malicious activity |
| Threats: | MetaStealer is an info-stealing malware primarily targeting sensitive data like login credentials, payment details, and browser history. It typically infects systems via phishing emails or malicious downloads and can exfiltrate data to a command and control (C2) server. MetaStealer is known for its stealthy techniques, including evasion and persistence mechanisms, which make it difficult to detect. This malware has been actively used in various cyberattacks, particularly for financial theft and credential harvesting from individuals and organizations. |
| Analysis date: | September 30, 2024, 13:12:00 |
| OS: | Windows 10 Professional (build: 19045, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (console) Intel 80386 Mono/.Net assembly, for MS Windows |
| MD5: | 6B00C9E575F0B4309E5B672DD3FEF62C |
| SHA1: | A2907A0C3F21FD5DD1ED6601571C9887879C9BCC |
| SHA256: | DB8417AD984838896B279319B011ABC3C82BCA035A11DCF8BB7E77841FDCEC5D |
| SSDEEP: | 6144:32u1Fvch62ScxIsVlgzUMoCEQ95j6/cRGXariSINneXVdRE219zg:3H1NclIzZj6/cRGXjuDE2Dg |
MALICIOUS
METASTEALER has been detected (SURICATA)
- fs.exe (PID: 7088)
Stealers network behavior
- fs.exe (PID: 7088)
SUSPICIOUS
Connects to unusual port
- fs.exe (PID: 7088)
Contacting a server suspected of hosting an CnC
- fs.exe (PID: 7088)
INFO
Checks supported languages
- fs.exe (PID: 7088)
Reads the machine GUID from the registry
- fs.exe (PID: 7088)
Reads the computer name
- fs.exe (PID: 7088)
.NET Reactor protector has been detected
- fs.exe (PID: 7088)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Generic CIL Executable (.NET, Mono, etc.) (56.7) |
|---|---|---|
| .exe | | | Win64 Executable (generic) (21.3) |
| .scr | | | Windows screen saver (10.1) |
| .dll | | | Win32 Dynamic Link Library (generic) (5) |
| .exe | | | Win32 Executable (generic) (3.4) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2042:07:03 06:35:08+00:00 |
| ImageFileCharacteristics: | Executable, No line numbers, No symbols, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 48 |
| CodeSize: | 682496 |
| InitializedDataSize: | 3584 |
| UninitializedDataSize: | - |
| EntryPoint: | 0xa899e |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows command line |
| FileVersionNumber: | 75.71.43.0 |
| ProductVersionNumber: | 75.71.43.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Neutral |
| CharacterSet: | Unicode |
| Comments: | Babacootes App |
| CompanyName: | Unmarred |
| FileDescription: | Unmarred |
| FileVersion: | 75.71.43 |
| InternalName: | Fibulas.exe |
| LegalCopyright: | Unmarred Corp. 2016 |
| OriginalFileName: | Fibulas.exe |
| ProductName: | - |
| ProductVersion: | 75.71.43 |
| AssemblyVersion: | 46.48.66.0 |
Total processes
128
Monitored processes
2
Malicious processes
1
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1184 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | fs.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Console Window Host Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 7088 | "C:\Users\admin\AppData\Local\Temp\fs.exe" | C:\Users\admin\AppData\Local\Temp\fs.exe | explorer.exe | ||||||||||||
User: admin Company: Unmarred Integrity Level: MEDIUM Description: Unmarred Exit code: 0 Version: 75.71.43 Modules
| |||||||||||||||
Total events
6 722
Read events
6 722
Write events
0
Delete events
0
Modification events
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
39
DNS requests
16
Threats
3
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
908 | SIHClient.exe | GET | 200 | 88.221.169.152:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl | unknown | — | — | whitelisted |
908 | SIHClient.exe | GET | 200 | 88.221.169.152:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | unknown | — | — | whitelisted |
2628 | svchost.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
3800 | backgroundTaskHost.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAn5bsKVVV8kdJ6vHl3O1J0%3D | unknown | — | — | whitelisted |
2120 | MoUsoCoreWorker.exe | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
6432 | svchost.exe | 51.124.78.146:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
— | — | 51.124.78.146:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
2120 | MoUsoCoreWorker.exe | 184.30.21.171:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
3888 | svchost.exe | 239.255.255.250:1900 | — | — | — | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
4324 | svchost.exe | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
7088 | fs.exe | 193.233.254.7:6384 | — | LLC Baxet | RU | malicious |
6432 | svchost.exe | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
2628 | svchost.exe | 20.190.160.22:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
login.live.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
go.microsoft.com |
| whitelisted |
slscr.update.microsoft.com |
| whitelisted |
fe3cr.delivery.mp.microsoft.com |
| whitelisted |
arc.msn.com |
| whitelisted |
Threats
PID | Process | Class | Message |
|---|---|---|---|
7088 | fs.exe | Malware Command and Control Activity Detected | ET MALWARE [ANY.RUN] MetaStealer v.5 (MC-NMF TLS Server Certificate) |
7088 | fs.exe | Malware Command and Control Activity Detected | STEALER [ANY.RUN] MetaStealer v.5 TLS Certificate |
7088 | fs.exe | Malware Command and Control Activity Detected | STEALER [ANY.RUN] MetaStealer v.5 TLS Connection |