| File name: | Archivo_Legal.N°83782..exe |
| Full analysis: | https://app.any.run/tasks/7280ea5d-a1c5-40b5-8fd8-444e3f7393f0 |
| Verdict: | Malicious activity |
| Threats: | AsyncRAT is a RAT that can monitor and remotely control infected systems. This malware was introduced on Github as a legitimate open-source remote administration software, but hackers use it for its many powerful malicious functions. |
| Analysis date: | November 01, 2024, 17:30:47 |
| OS: | Windows 10 Professional (build: 19045, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/vnd.microsoft.portable-executable |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows, 6 sections |
| MD5: | E50B7F6610B164E7530BBD93A2D5C1FB |
| SHA1: | 90612E7419EB58C68AD77815EC3439A637C2B0B6 |
| SHA256: | 311934EFAE99B694091136C03C7277823018818578C5993E77DDBEDD3AE1A166 |
| SSDEEP: | 98304:Qm83eXT0zBdyfNJMsqcTudDvlNGQ682L0k:/ |
MALICIOUS
Starts Visual C# compiler
- Archivo_Legal.N°83782..exe (PID: 5328)
ASYNCRAT has been detected (YARA)
- csc.exe (PID: 5160)
ASYNCRAT has been detected (SURICATA)
- csc.exe (PID: 5160)
SUSPICIOUS
Connects to unusual port
- csc.exe (PID: 5160)
Contacting a server suspected of hosting an CnC
- csc.exe (PID: 5160)
INFO
Reads the computer name
- csc.exe (PID: 5160)
Checks supported languages
- csc.exe (PID: 5160)
- Archivo_Legal.N°83782..exe (PID: 5328)
Reads the machine GUID from the registry
- csc.exe (PID: 5160)
Reads the software policy settings
- csc.exe (PID: 5160)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
AsyncRat
(PID) Process(5160) csc.exe
C2 (1)word8328.duckdns.org
Ports (1)8328
Version1.0.7
Options
AutoRunfalse
MutexDcRatMutex_qwqdanchun
InstallFolder%AppData%
Certificates
Cert1MIICMDCCAZmgAwIBAgIVAPdJPjCx7pYvZ/1H2FuVvfr12RcjMA0GCSqGSIb3DQEBDQUAMGQxFTATBgNVBAMMDERjUmF0IFNlcnZlcjETMBEGA1UECwwKcXdxZGFuY2h1bjEcMBoGA1UECgwTRGNSYXQgQnkgcXdxZGFuY2h1bjELMAkGA1UEBwwCU0gxCzAJBgNVBAYTAkNOMB4XDTIxMTIwOTIwNDY0MFoXDTMyMDkxNzIwNDY0MFowEDEOMAwGA1UEAwwFRGNSYXQwgZ8wDQYJKoZIhvcNAQEBBQADgY0A...
Server_SignatureczHNNutVfd5y0q13T91EqOdipBIY2aKFIkyhh1BzLopZR5Jmk+2Nw3daWxQIdHYujEiNaxwmhdlwT+GZUc5TADp3tVt+osq2/6dnG56zfjSnQxgxf44d8WzfEWluyzZ+CCq8h/7dT3/z0NNxNf2J2N+VBzQPwM9qOBF1km2u8H4=
Keys
AES5c41c84fc9bb2f5b60b80dd213ced28274d41f54dab04abe8c4a08e325874161
SaltDcRatByqwqdanchun
TRiD
| .exe | | | InstallShield setup (36.8) |
|---|---|---|
| .exe | | | Win32 Executable MS Visual C++ (generic) (26.6) |
| .exe | | | Win64 Executable (generic) (23.6) |
| .dll | | | Win32 Dynamic Link Library (generic) (5.6) |
| .exe | | | Win32 Executable (generic) (3.8) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2024:10:27 09:02:46+00:00 |
| ImageFileCharacteristics: | No relocs, Executable, No line numbers, No symbols, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 6 |
| CodeSize: | 860160 |
| InitializedDataSize: | 1216512 |
| UninitializedDataSize: | - |
| EntryPoint: | 0xc52e2 |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 8.33.0.0 |
| ProductVersionNumber: | 8.33.0.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | Private build, Special build |
| FileOS: | Win32 |
| ObjectFileType: | Dynamic link library |
| FileSubtype: | - |
| LanguageCode: | Neutral |
| CharacterSet: | Unicode |
| Company: | Nenad Hrg (SoftwareOK.de) |
| CompanyName: | Nenad Hrg (SoftwareOK.com) |
| Comments: | - |
| FileDescription: | MeinPlatz uncomplicated and fast way to clearly display the used hard disk space and folder size. |
| InternalName: | MeinPlatz |
| LegalCopyright: | Copyright © Nenad Hrg (SoftwareOK.com) 2006-2024 |
| OriginalFileName: | MeinPlatz.exe |
| ProductName: | MeinPlatz SoftwareOK.com |
| LegalTrademarks: | - |
| ProductVersion: | 8.33.0.0 |
| FileVersion: | 8.33.0.0 |
| PrivateBuild: | - |
| SpecialBuild: | - |
Total processes
137
Monitored processes
3
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2172 | C:\WINDOWS\system32\svchost.exe -k NetworkService -p -s Dnscache | C:\Windows\System32\svchost.exe | services.exe | ||||||||||||
User: NETWORK SERVICE Company: Microsoft Corporation Integrity Level: SYSTEM Description: Host Process for Windows Services Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 5160 | "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe" | C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe | Archivo_Legal.N°83782..exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Visual C# Command Line Compiler Version: 4.8.9037.0 built by: NET481REL1 Modules
AsyncRat(PID) Process(5160) csc.exe C2 (1)word8328.duckdns.org Ports (1)8328 Version1.0.7 Options AutoRunfalse MutexDcRatMutex_qwqdanchun InstallFolder%AppData% Certificates Cert1MIICMDCCAZmgAwIBAgIVAPdJPjCx7pYvZ/1H2FuVvfr12RcjMA0GCSqGSIb3DQEBDQUAMGQxFTATBgNVBAMMDERjUmF0IFNlcnZlcjETMBEGA1UECwwKcXdxZGFuY2h1bjEcMBoGA1UECgwTRGNSYXQgQnkgcXdxZGFuY2h1bjELMAkGA1UEBwwCU0gxCzAJBgNVBAYTAkNOMB4XDTIxMTIwOTIwNDY0MFoXDTMyMDkxNzIwNDY0MFowEDEOMAwGA1UEAwwFRGNSYXQwgZ8wDQYJKoZIhvcNAQEBBQADgY0A... Server_SignatureczHNNutVfd5y0q13T91EqOdipBIY2aKFIkyhh1BzLopZR5Jmk+2Nw3daWxQIdHYujEiNaxwmhdlwT+GZUc5TADp3tVt+osq2/6dnG56zfjSnQxgxf44d8WzfEWluyzZ+CCq8h/7dT3/z0NNxNf2J2N+VBzQPwM9qOBF1km2u8H4= Keys AES5c41c84fc9bb2f5b60b80dd213ced28274d41f54dab04abe8c4a08e325874161 SaltDcRatByqwqdanchun | |||||||||||||||
| 5328 | "C:\Users\admin\Downloads\Archivo_Legal.N°83782..exe" | C:\Users\admin\Downloads\Archivo_Legal.N°83782..exe | — | explorer.exe | |||||||||||
User: admin Company: Nenad Hrg (SoftwareOK.com) Integrity Level: MEDIUM Description: MeinPlatz uncomplicated and fast way to clearly display the used hard disk space and folder size. Exit code: 0 Version: 8.33.0.0 Modules
| |||||||||||||||
Total events
3 699
Read events
3 698
Write events
1
Delete events
0
Modification events
| (PID) Process: | (5328) Archivo_Legal.N°83782..exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | AbzDesignerEditor |
Value: C:\Users\admin\Music\AbzDesignerUpdater\AbzConvertVideo.exe | |||
Executable files
0
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 5328 | Archivo_Legal.N°83782..exe | C:\Users\admin\Music\AbzDesignerUpdater\AbzConvertVideo.exe | — | |
MD5:— | SHA256:— | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
7
TCP/UDP connections
38
DNS requests
22
Threats
9
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
632 | svchost.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
5488 | MoUsoCoreWorker.exe | GET | 200 | 23.48.23.143:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
5488 | MoUsoCoreWorker.exe | GET | 200 | 23.35.229.160:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
4360 | SearchApp.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D | unknown | — | — | whitelisted |
7152 | SIHClient.exe | GET | 200 | 23.35.229.160:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl | unknown | — | — | whitelisted |
7152 | SIHClient.exe | GET | 200 | 23.35.229.160:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | unknown | — | — | whitelisted |
2784 | backgroundTaskHost.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAn5bsKVVV8kdJ6vHl3O1J0%3D | 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 |
6944 | svchost.exe | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
4292 | RUXIMICS.exe | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
5488 | MoUsoCoreWorker.exe | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
4360 | SearchApp.exe | 92.123.104.61:443 | www.bing.com | Akamai International B.V. | DE | whitelisted |
4360 | SearchApp.exe | 192.229.221.95:80 | ocsp.digicert.com | EDGECAST | US | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
632 | svchost.exe | 40.126.32.133:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
632 | svchost.exe | 192.229.221.95:80 | ocsp.digicert.com | EDGECAST | US | whitelisted |
4360 | SearchApp.exe | 104.126.37.155:443 | th.bing.com | Akamai International B.V. | DE | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
www.bing.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
google.com |
| whitelisted |
login.live.com |
| whitelisted |
th.bing.com |
| whitelisted |
go.microsoft.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
word8328.duckdns.org |
| malicious |
Threats
PID | Process | Class | Message |
|---|---|---|---|
2172 | svchost.exe | Potentially Bad Traffic | ET INFO DYNAMIC_DNS Query to a *.duckdns .org Domain |
2172 | svchost.exe | Misc activity | ET INFO DYNAMIC_DNS Query to *.duckdns. Domain |
2172 | svchost.exe | Potentially Bad Traffic | ET INFO DYNAMIC_DNS Query to a *.duckdns .org Domain |
2172 | svchost.exe | Misc activity | ET INFO DYNAMIC_DNS Query to *.duckdns. Domain |
5160 | csc.exe | Domain Observed Used for C2 Detected | REMOTE [ANY.RUN] AsyncRAT SSL certificate |
5160 | csc.exe | Misc Attack | ET DROP Spamhaus DROP Listed Traffic Inbound group 24 |
5160 | csc.exe | Domain Observed Used for C2 Detected | ET MALWARE Observed Malicious SSL Cert (AsyncRAT) |
5160 | csc.exe | Malware Command and Control Activity Detected | REMOTE [ANY.RUN] AsyncRAT Successful Connection |
1 ETPRO signatures available at the full report