| File name: | 77E7D644B09BB7025981AB48A2E4F59A.exe |
| Full analysis: | https://app.any.run/tasks/f0013652-7078-475e-9928-90814eab7071 |
| 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: | May 16, 2025, 18:35:22 |
| OS: | Windows 10 Professional (build: 19044, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/vnd.microsoft.portable-executable |
| File info: | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows, 3 sections |
| MD5: | 77E7D644B09BB7025981AB48A2E4F59A |
| SHA1: | 5569476ADD5CD3287ABAC27A2F3DB50F76FDA499 |
| SHA256: | F52EECCF731A3DEB198E5DDB2E8DD8E5041C8C2D740FE1E2830F48D97EBD3801 |
| SSDEEP: | 49152:EpCCcLH9/jdiFVC6vCZlB/NME72ruapeOnEL3IobDsLe9WfzGlz6w9d0eHzHf5Lu:EpCC6xlECZlMncOO3D9eG17d0eTHf5vi |
MALICIOUS
ASYNCRAT has been detected (SURICATA)
- RegAsm.exe (PID: 5404)
ASYNCRAT has been detected (YARA)
- RegAsm.exe (PID: 5404)
ASYNCRAT has been detected (MUTEX)
- RegAsm.exe (PID: 5404)
SUSPICIOUS
Executable content was dropped or overwritten
- 77E7D644B09BB7025981AB48A2E4F59A.exe (PID: 496)
Connects to unusual port
- RegAsm.exe (PID: 5404)
Contacting a server suspected of hosting an CnC
- RegAsm.exe (PID: 5404)
INFO
Checks supported languages
- 77E7D644B09BB7025981AB48A2E4F59A.exe (PID: 496)
- RegAsm.exe (PID: 5404)
Reads the machine GUID from the registry
- 77E7D644B09BB7025981AB48A2E4F59A.exe (PID: 496)
- RegAsm.exe (PID: 5404)
Creates files or folders in the user directory
- 77E7D644B09BB7025981AB48A2E4F59A.exe (PID: 496)
Reads the computer name
- 77E7D644B09BB7025981AB48A2E4F59A.exe (PID: 496)
- RegAsm.exe (PID: 5404)
Reads the software policy settings
- RegAsm.exe (PID: 5404)
- slui.exe (PID: 5720)
Manual execution by a user
- RegAsm.exe (PID: 5404)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
AsyncRat
(PID) Process(5404) RegAsm.exe
C2 (1)185.196.9.158
Ports (1)6689
Version2022 | Edit 3LOSH RAT
BotnetDefault
Options
AutoRunfalse
MutexAsyncMutex_6SI8d4s55g4OkPnk
InstallFolder%AppData%
BSoDfalse
AntiVMfalse
Certificates
Cert1MIIE8jCCAtqgAwIBAgIQAPeWQ4YJ3MvReCGwLzn7rTANBgkqhkiG9w0BAQ0FADAaMRgwFgYDVQQDDA9Bc3luY1JBVCBTZXJ2ZXIwIBcNMjIwNDI1MDA0MTA5WhgPOTk5OTEyMzEyMzU5NTlaMBoxGDAWBgNVBAMMD0FzeW5jUkFUIFNlcnZlcjCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBAKT9nYYTjYTZhY+g1tekZ8/F29gsEIDgf/8odvCbCmYKGGZZi2yND9NjtBXEMANM9PAXCyMapGva...
Server_SignatureXzVn8kyc8zh7v6T/NDTzPqaNLzIR8BFvID1+fyV5o3qUA8nviqOb2zYAMbg3yCgPiXBZfUg+pzC3HKeBVazdp61FdShvjsvSLjRu/ztInmCEfyz1eFFAJnPFN/pVGg1tk/HFjP0vIIhIbx+Y7WabkLrVsty3JoTsofHQKqjRB63X17G4kdjvaYW+WfTdlTYhEAl1puWSBE+9nGACxm0ffuF51j3tMP8wrJc/f7QYmkso7syTlrMM6sWs785puSp0xRYG3xd1fx3gg513xbyhew1pa442SnQygnQPYUYMamJV...
Keys
AESbeccc5dda0610e535208c17de11e6abb3084e9013f821c16a08f0b42851eeae8
Saltbfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
TRiD
| .exe | | | Generic CIL Executable (.NET, Mono, etc.) (63.1) |
|---|---|---|
| .exe | | | Win64 Executable (generic) (23.8) |
| .dll | | | Win32 Dynamic Link Library (generic) (5.6) |
| .exe | | | Win32 Executable (generic) (3.8) |
| .exe | | | Generic Win/DOS Executable (1.7) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2025:05:12 19:25:13+00:00 |
| ImageFileCharacteristics: | Executable, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 8 |
| CodeSize: | 1105920 |
| InitializedDataSize: | 2048 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x10feee |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 1.0.5350.3038 |
| ProductVersionNumber: | 1.0.5350.3038 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Neutral |
| CharacterSet: | Unicode |
| Comments: | - |
| CompanyName: | - |
| FileDescription: | Lnavamowijd |
| FileVersion: | 1.0.5350.3038 |
| InternalName: | Lnavamowijd.exe |
| LegalCopyright: | Copyright © 2011 |
| LegalTrademarks: | - |
| OriginalFileName: | Lnavamowijd.exe |
| ProductName: | Lnavamowijd |
| ProductVersion: | 1.0.5350.3038 |
| AssemblyVersion: | 1.0.3162.24900 |
Total processes
138
Monitored processes
5
Malicious processes
1
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 496 | "C:\Users\admin\AppData\Local\Temp\77E7D644B09BB7025981AB48A2E4F59A.exe" | C:\Users\admin\AppData\Local\Temp\77E7D644B09BB7025981AB48A2E4F59A.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Description: Lnavamowijd Exit code: 4294967295 Version: 1.0.5350.3038 Modules
| |||||||||||||||
| 3020 | C:\WINDOWS\system32\SppExtComObj.exe -Embedding | C:\Windows\System32\SppExtComObj.Exe | — | svchost.exe | |||||||||||
User: NETWORK SERVICE Company: Microsoft Corporation Integrity Level: SYSTEM Description: KMS Connection Broker Version: 10.0.19041.3996 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 4988 | C:\WINDOWS\System32\slui.exe -Embedding | C:\Windows\System32\slui.exe | — | svchost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Activation Client Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 5404 | "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe" | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | explorer.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft .NET Assembly Registration Utility Version: 4.8.9037.0 built by: NET481REL1 Modules
AsyncRat(PID) Process(5404) RegAsm.exe C2 (1)185.196.9.158 Ports (1)6689 Version2022 | Edit 3LOSH RAT BotnetDefault Options AutoRunfalse MutexAsyncMutex_6SI8d4s55g4OkPnk InstallFolder%AppData% BSoDfalse AntiVMfalse Certificates Cert1MIIE8jCCAtqgAwIBAgIQAPeWQ4YJ3MvReCGwLzn7rTANBgkqhkiG9w0BAQ0FADAaMRgwFgYDVQQDDA9Bc3luY1JBVCBTZXJ2ZXIwIBcNMjIwNDI1MDA0MTA5WhgPOTk5OTEyMzEyMzU5NTlaMBoxGDAWBgNVBAMMD0FzeW5jUkFUIFNlcnZlcjCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBAKT9nYYTjYTZhY+g1tekZ8/F29gsEIDgf/8odvCbCmYKGGZZi2yND9NjtBXEMANM9PAXCyMapGva... Server_SignatureXzVn8kyc8zh7v6T/NDTzPqaNLzIR8BFvID1+fyV5o3qUA8nviqOb2zYAMbg3yCgPiXBZfUg+pzC3HKeBVazdp61FdShvjsvSLjRu/ztInmCEfyz1eFFAJnPFN/pVGg1tk/HFjP0vIIhIbx+Y7WabkLrVsty3JoTsofHQKqjRB63X17G4kdjvaYW+WfTdlTYhEAl1puWSBE+9nGACxm0ffuF51j3tMP8wrJc/f7QYmkso7syTlrMM6sWs785puSp0xRYG3xd1fx3gg513xbyhew1pa442SnQygnQPYUYMamJV... Keys AESbeccc5dda0610e535208c17de11e6abb3084e9013f821c16a08f0b42851eeae8 Saltbfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941 | |||||||||||||||
| 5720 | "C:\WINDOWS\System32\SLUI.exe" RuleId=3482d82e-ca2c-4e1f-8864-da0267b484b2;Action=AutoActivate;AppId=55c92734-d682-4d71-983e-d6ec3f16059f;SkuId=4de7cb65-cdf1-4de9-8ae8-e3cce27b9f2c;NotificationInterval=1440;Trigger=TimerEvent | C:\Windows\System32\slui.exe | SppExtComObj.Exe | ||||||||||||
User: NETWORK SERVICE Company: Microsoft Corporation Integrity Level: SYSTEM Description: Windows Activation Client Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
Total events
4 109
Read events
4 109
Write events
0
Delete events
0
Modification events
Executable files
1
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 496 | 77E7D644B09BB7025981AB48A2E4F59A.exe | C:\Users\admin\AppData\Roaming\XmlNamespace.exe | executable | |
MD5:77E7D644B09BB7025981AB48A2E4F59A | SHA256:F52EECCF731A3DEB198E5DDB2E8DD8E5041C8C2D740FE1E2830F48D97EBD3801 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
5
TCP/UDP connections
23
DNS requests
17
Threats
5
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
5496 | MoUsoCoreWorker.exe | GET | 200 | 23.48.23.179:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
5496 | MoUsoCoreWorker.exe | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
1568 | SIHClient.exe | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | unknown | — | — | whitelisted |
6544 | svchost.exe | GET | 200 | 2.23.77.188:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
1568 | SIHClient.exe | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.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 |
|---|---|---|---|---|---|---|
2104 | svchost.exe | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
4208 | RUXIMICS.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 |
5496 | MoUsoCoreWorker.exe | 23.48.23.179:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
5496 | MoUsoCoreWorker.exe | 184.30.21.171:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
6544 | svchost.exe | 20.190.160.64:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
3216 | svchost.exe | 172.211.123.248:443 | client.wns.windows.com | MICROSOFT-CORP-MSN-AS-BLOCK | FR | whitelisted |
6544 | svchost.exe | 2.23.77.188:80 | ocsp.digicert.com | AKAMAI-AS | DE | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
login.live.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
slscr.update.microsoft.com |
| whitelisted |
fe3cr.delivery.mp.microsoft.com |
| whitelisted |
activation-v2.sls.microsoft.com |
| whitelisted |
Threats
PID | Process | Class | Message |
|---|---|---|---|
5404 | RegAsm.exe | Domain Observed Used for C2 Detected | REMOTE [ANY.RUN] AsyncRAT SSL certificate |
5404 | RegAsm.exe | Domain Observed Used for C2 Detected | ET MALWARE Generic AsyncRAT/zgRAT Style SSL Cert |
5404 | RegAsm.exe | Misc Attack | ET DROP Spamhaus DROP Listed Traffic Inbound group 34 |
5404 | RegAsm.exe | Domain Observed Used for C2 Detected | ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server) |
5404 | RegAsm.exe | Malware Command and Control Activity Detected | REMOTE [ANY.RUN] AsyncRAT Successful Connection |