| File name: | dlhost.exe |
| Full analysis: | https://app.any.run/tasks/26818e4c-8970-4fd1-a991-78c55a31f1fb |
| 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: | April 04, 2025, 12:50:03 |
| 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: | 3FAD6B1C5B5675B11DE252D6DD419ECC |
| SHA1: | E6D8BED6F0A66F61279DB7D6CF60D775D548B34E |
| SHA256: | DE6CA70B140BCEEB11CD4318F18A138CE1283C252A6933F969D570C4BFB70462 |
| SSDEEP: | 1536:iSSUOpDlz2rdpOw0QAOYUbXh9Hf5KdpqKmY7:iSSUOnz2RpV0QAOYUbXoGz |
| .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) |
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2022:04:24 17:30:14+00:00 |
| ImageFileCharacteristics: | Executable |
| PEType: | PE32 |
| LinkerVersion: | 8 |
| CodeSize: | 60416 |
| InitializedDataSize: | 4096 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x109fe |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 3.6.0.0 |
| ProductVersionNumber: | 3.6.0.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Neutral |
| CharacterSet: | Unicode |
| Comments: | - |
| CompanyName: | - |
| FileDescription: | - |
| FileVersion: | 3.6.0.0 |
| InternalName: | Client.exe |
| LegalCopyright: | - |
| LegalTrademarks: | - |
| OriginalFileName: | Client.exe |
| ProductName: | - |
| ProductVersion: | 3.6.0.0 |
| AssemblyVersion: | 3.6.0.0 |
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1676 | "C:\Users\admin\AppData\Local\Temp\dlhost.exe" | C:\Users\admin\AppData\Local\Temp\dlhost.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Version: 3.6.0.0 Modules
| |||||||||||||||
| 3096 | 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
| |||||||||||||||
| 5216 | "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
| |||||||||||||||
| 5304 | timeout 3 | C:\Windows\System32\timeout.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: timeout - pauses command processing Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 5556 | 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
| |||||||||||||||
| 6184 | C:\WINDOWS\system32\cmd.exe /c ""C:\Users\admin\AppData\Local\Temp\tmpBEDD.tmp.bat"" | C:\Windows\System32\cmd.exe | — | dlhost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 1 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 6728 | "C:\Users\admin\AppData\Roaming\Windows.exe" | C:\Users\admin\AppData\Roaming\Windows.exe | cmd.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Version: 3.6.0.0 Modules
AsyncRat(PID) Process(6728) Windows.exe C2 (1)null Ports (1)null Version Options AutoRuntrue Mutextp3CEΘק开bvΙ6吉ΒΓzo InstallFolder%AppData% Certificates Cert1MIICKTCCAZKgAwIBAgIVAJzAJDfKgakN7bgs8tRoSUwKc69fMA0GCSqGSIb3DQEBDQUAMF0xDjAMBgNVBAMMBUVCT0xBMRMwEQYDVQQLDApxd3FkYW5jaHVuMRwwGgYDVQQKDBNEY1JhdCBCeSBxd3FkYW5jaHVuMQswCQYDVQQHDAJTSDELMAkGA1UEBhMCQ04wHhcNMjQwNjIyMTgzNjE5WhcNMzUwNDAxMTgzNjE5WjAQMQ4wDAYDVQQDDAVEY1JhdDCBnzANBgkqhkiG9w0BAQEFAAOBjQAwgYkCgYEA... Server_SignaturesukkhmqN3bcjxcTklAWfYaiBSQ12T+Gv10iAjKEqkK/+P/xMc7MJ/q4Wkle5rUyh+KVBvhh2qdne/a7azC9Mnqr5ntwFc6BnO4tCGB1Xr+Kf3uD2zdsPIlBNE01uxZgDG0pRCPq0SBch6RJjEOXLZHUYkPPoQdSULOg8PBEVlnk= Keys AES90ea7516cce4a7fb144f0774985c9f01743d4d91e09728e3be90017a14c4d026 SaltDcRatByqwqdanchun | |||||||||||||||
| 6876 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | cmd.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
| |||||||||||||||
| (PID) Process: | (1676) dlhost.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | Windows |
Value: "C:\Users\admin\AppData\Roaming\Windows.exe" | |||
| (PID) Process: | (6728) Windows.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Windows_RASAPI32 |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (6728) Windows.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Windows_RASAPI32 |
| Operation: | write | Name: | EnableAutoFileTracing |
Value: 0 | |||
| (PID) Process: | (6728) Windows.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Windows_RASAPI32 |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
| (PID) Process: | (6728) Windows.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Windows_RASAPI32 |
| Operation: | write | Name: | FileTracingMask |
Value: | |||
| (PID) Process: | (6728) Windows.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Windows_RASAPI32 |
| Operation: | write | Name: | ConsoleTracingMask |
Value: | |||
| (PID) Process: | (6728) Windows.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Windows_RASAPI32 |
| Operation: | write | Name: | MaxFileSize |
Value: 1048576 | |||
| (PID) Process: | (6728) Windows.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Windows_RASAPI32 |
| Operation: | write | Name: | FileDirectory |
Value: %windir%\tracing | |||
| (PID) Process: | (6728) Windows.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Windows_RASMANCS |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (6728) Windows.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Windows_RASMANCS |
| Operation: | write | Name: | EnableAutoFileTracing |
Value: 0 | |||
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 1676 | dlhost.exe | C:\Users\admin\AppData\Roaming\Windows.exe | executable | |
MD5:3FAD6B1C5B5675B11DE252D6DD419ECC | SHA256:DE6CA70B140BCEEB11CD4318F18A138CE1283C252A6933F969D570C4BFB70462 | |||
| 1676 | dlhost.exe | C:\Users\admin\AppData\Local\Temp\tmpBEDD.tmp.bat | text | |
MD5:59AB26E1B4AB6E95938E7795ECC1E014 | SHA256:4D280D069FF64AA1A5F054F91A6E40AF7A5AD7EEC923C9E04E20E40BB656F74C | |||
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
— | — | GET | 200 | 23.48.23.147:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
6544 | svchost.exe | GET | 200 | 2.17.190.73:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
5376 | SIHClient.exe | GET | 200 | 23.52.120.96:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | unknown | — | — | whitelisted |
5376 | SIHClient.exe | GET | 200 | 23.52.120.96:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl | unknown | — | — | whitelisted |
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
— | — | 4.231.128.59:443 | — | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
— | — | 23.48.23.147:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
— | — | 51.104.136.2:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
2104 | svchost.exe | 4.231.128.59:443 | — | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
3216 | svchost.exe | 172.172.255.218:443 | client.wns.windows.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
6728 | Windows.exe | 104.22.68.199:443 | pastebin.com | CLOUDFLARENET | — | whitelisted |
6728 | Windows.exe | 185.186.26.103:8000 | — | — | DE | malicious |
6544 | svchost.exe | 40.126.32.133:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
Domain | IP | Reputation |
|---|---|---|
crl.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
settings-win.data.microsoft.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
pastebin.com |
| whitelisted |
login.live.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
slscr.update.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
fe3cr.delivery.mp.microsoft.com |
| whitelisted |
PID | Process | Class | Message |
|---|---|---|---|
2196 | svchost.exe | Not Suspicious Traffic | INFO [ANY.RUN] Online Pastebin Text Storage |