| File name: | cRls.bat |
| Full analysis: | https://app.any.run/tasks/e701ac57-262f-4f22-b42e-f38121ee073e |
| 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: | June 23, 2025, 14:34:54 |
| OS: | Windows 10 Professional (build: 19044, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | text/x-msdos-batch |
| File info: | DOS batch file, ASCII text, with CRLF line terminators |
| MD5: | 2A7B35DE069C1B954839B41472BD591B |
| SHA1: | DAB7BDF8905DAE4BF5C5A66AA15386014655213C |
| SHA256: | 090621A7452F076B69CD0028D63D4DCCDF99D7B04FBD5C0EF332AC29B0F2C089 |
| SSDEEP: | 3:mKDDGKSSJJLNyeH3vfuvs8oCE9MnrCW/IXv7s1u16rQziCn:hSGnyeXvfQvnrIw8orVCn |
MALICIOUS
Gets or sets the symmetric key that is used for encryption and decryption (POWERSHELL)
- powershell.exe (PID: 7140)
Gets or sets the initialization vector for the symmetric algorithm (POWERSHELL)
- powershell.exe (PID: 7140)
Dynamically loads an assembly (POWERSHELL)
- powershell.exe (PID: 7140)
Uses AES cipher (POWERSHELL)
- powershell.exe (PID: 7140)
ASYNCRAT has been detected (SURICATA)
- MSBuild.exe (PID: 3980)
Actions looks like stealing of personal data
- MSBuild.exe (PID: 3980)
LUMMA mutex has been found
- InstallUtil.exe (PID: 7060)
LUMMA has been detected (YARA)
- MSBuild.exe (PID: 3980)
SUSPICIOUS
Executes script without checking the security policy
- powershell.exe (PID: 7140)
Possibly malicious use of IEX has been detected
- cmd.exe (PID: 2072)
Starts POWERSHELL.EXE for commands execution
- cmd.exe (PID: 2072)
The process bypasses the loading of PowerShell profile settings
- cmd.exe (PID: 2072)
Uses base64 encoding (POWERSHELL)
- powershell.exe (PID: 7140)
CSC.EXE is used to compile C# code
- csc.exe (PID: 592)
Executable content was dropped or overwritten
- csc.exe (PID: 592)
Connects to unusual port
- MSBuild.exe (PID: 3980)
Process communicates with Telegram (possibly using it as an attacker's C2 server)
- InstallUtil.exe (PID: 7060)
Contacting a server suspected of hosting an CnC
- MSBuild.exe (PID: 3980)
Multiple wallet extension IDs have been found
- MSBuild.exe (PID: 3980)
Searches for installed software
- InstallUtil.exe (PID: 7060)
INFO
Disables trace logs
- powershell.exe (PID: 7140)
Checks proxy server information
- powershell.exe (PID: 7140)
- slui.exe (PID: 1052)
Reads the software policy settings
- slui.exe (PID: 1052)
- MSBuild.exe (PID: 3980)
- InstallUtil.exe (PID: 7060)
Gets data length (POWERSHELL)
- powershell.exe (PID: 7140)
Checks supported languages
- csc.exe (PID: 592)
- cvtres.exe (PID: 4544)
- MSBuild.exe (PID: 3980)
- InstallUtil.exe (PID: 7060)
Reads the machine GUID from the registry
- csc.exe (PID: 592)
- MSBuild.exe (PID: 3980)
- InstallUtil.exe (PID: 7060)
Create files in a temporary directory
- csc.exe (PID: 592)
- cvtres.exe (PID: 4544)
Reads the computer name
- MSBuild.exe (PID: 3980)
- InstallUtil.exe (PID: 7060)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
Total processes
153
Monitored processes
11
Malicious processes
4
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 592 | "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\admin\AppData\Local\Temp\qbay35ez.cmdline" | C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe | powershell.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Visual C# Command Line Compiler Exit code: 0 Version: 4.8.9037.0 built by: NET481REL1 Modules
| |||||||||||||||
| 1052 | 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 Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2028 | "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe" | C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe | — | MSBuild.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: .NET Framework installation utility Exit code: 4294967295 Version: 4.8.9037.0 built by: NET481REL1 Modules
| |||||||||||||||
| 2072 | C:\WINDOWS\system32\cmd.exe /c ""C:\Users\admin\Desktop\cRls.bat" " | C:\Windows\System32\cmd.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2464 | "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe" | C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe | — | MSBuild.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: .NET Framework installation utility Exit code: 4294967295 Version: 4.8.9037.0 built by: NET481REL1 Modules
| |||||||||||||||
| 3980 | "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe" | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | powershell.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: MSBuild.exe Version: 4.8.9037.0 built by: NET481REL1 Modules
| |||||||||||||||
| 4156 | "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe" | C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe | — | MSBuild.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: .NET Framework installation utility Exit code: 4294967295 Version: 4.8.9037.0 built by: NET481REL1 Modules
| |||||||||||||||
| 4544 | C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\admin\AppData\Local\Temp\RES6330.tmp" "c:\Users\admin\AppData\Local\Temp\CSC8EB398FF173544D5949402342292DAC.TMP" | C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe | — | csc.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft® Resource File To COFF Object Conversion Utility Exit code: 0 Version: 14.32.31326.0 Modules
| |||||||||||||||
| 6960 | \??\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
| |||||||||||||||
| 7060 | "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe" | C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe | MSBuild.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: .NET Framework installation utility Exit code: 0 Version: 4.8.9037.0 built by: NET481REL1 Modules
| |||||||||||||||
Total events
12 655
Read events
12 655
Write events
0
Delete events
0
Modification events
Executable files
1
Suspicious files
1
Text files
5
Unknown types
2
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 7140 | powershell.exe | C:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_xt34o50r.em3.ps1 | text | |
MD5:D17FE0A3F47BE24A6453E9EF58C94641 | SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7 | |||
| 7140 | powershell.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive | binary | |
MD5:0A9DBB88A594C212A918E0A86527F95B | SHA256:78281F3E277AE153CE5BD91262A1C3145D2F04F7DFEAC44722667328813D970F | |||
| 7140 | powershell.exe | C:\Users\admin\AppData\Local\Temp\qbay35ez.0.cs | text | |
MD5:D99C889EBBE941917D747A4B6E6AD28B | SHA256:F13C5759909D87DBE1BDDE1A63FF9F24E8BF90837A4E5CDD25470A565538656A | |||
| 592 | csc.exe | C:\Users\admin\AppData\Local\Temp\CSC8EB398FF173544D5949402342292DAC.TMP | res | |
MD5:4D333014031317B9E69B7E9EDE117A5A | SHA256:DFC1CD8106F0A0EF1F04633294CDBBD054CA5BF214372EB28795FBF68093C47B | |||
| 4544 | cvtres.exe | C:\Users\admin\AppData\Local\Temp\RES6330.tmp | o | |
MD5:AF7D861CB0975A76500BCBA0D3C45CD5 | SHA256:BC7A332DFC440BE19603739ED7D3D330321AA65D5814EF4B3578AC64B2CE7719 | |||
| 592 | csc.exe | C:\Users\admin\AppData\Local\Temp\qbay35ez.out | text | |
MD5:C31ACC403C7C540056B91FFD2178C929 | SHA256:E6B0D5F4A41768B18D6E73E6D328D593C3A77959C28D470AEF7506EC92714649 | |||
| 7140 | powershell.exe | C:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_srcyytro.dqm.psm1 | text | |
MD5:D17FE0A3F47BE24A6453E9EF58C94641 | SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7 | |||
| 7140 | powershell.exe | C:\Users\admin\AppData\Local\Temp\qbay35ez.cmdline | text | |
MD5:7B9A35DE789C95D7A148AF3CE76AB9EF | SHA256:D4CA42CB99FC8EAABA35DEC1BDA27EEAF2116E73C3DCA3A22206F784B671E431 | |||
| 592 | csc.exe | C:\Users\admin\AppData\Local\Temp\qbay35ez.dll | executable | |
MD5:DFB885532754F937F5DDF7013C6BF8B3 | SHA256:A757B1BCBF25B8DFBD43656DBDB2CBF42CC72D60EEE7236CC40363A024A62299 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
10
TCP/UDP connections
38
DNS requests
25
Threats
7
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
1268 | svchost.exe | GET | 200 | 23.55.104.190:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
— | — | GET | 200 | 23.55.104.190:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
1268 | svchost.exe | GET | 200 | 95.101.149.131:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
— | — | GET | 200 | 95.101.149.131:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
7164 | svchost.exe | GET | 200 | 2.17.190.73:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
1512 | SIHClient.exe | GET | 200 | 95.101.149.131:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | unknown | — | — | whitelisted |
1512 | SIHClient.exe | GET | 200 | 95.101.149.131:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl | unknown | — | — | whitelisted |
2940 | svchost.exe | GET | 200 | 72.246.169.163:80 | http://x1.c.lencr.org/ | unknown | — | — | whitelisted |
6516 | backgroundTaskHost.exe | GET | 200 | 2.17.190.73:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEA77flR%2B3w%2FxBpruV2lte6A%3D | unknown | — | — | whitelisted |
768 | svchost.exe | GET | 200 | 2.17.190.73:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%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 |
5944 | MoUsoCoreWorker.exe | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
— | — | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
1268 | svchost.exe | 23.55.104.190:80 | crl.microsoft.com | Akamai International B.V. | US | whitelisted |
— | — | 23.55.104.190:80 | crl.microsoft.com | Akamai International B.V. | US | whitelisted |
1268 | svchost.exe | 95.101.149.131:80 | www.microsoft.com | Akamai International B.V. | NL | whitelisted |
— | — | 95.101.149.131:80 | www.microsoft.com | Akamai International B.V. | NL | whitelisted |
1268 | svchost.exe | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
7140 | powershell.exe | 146.70.143.153:443 | portfolio-juliamerc.info | M247 Ltd | US | unknown |
DNS requests
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
portfolio-juliamerc.info |
| unknown |
login.live.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
nexusrules.officeapps.live.com |
| whitelisted |
slscr.update.microsoft.com |
| whitelisted |
Threats
PID | Process | Class | Message |
|---|---|---|---|
3980 | MSBuild.exe | Misc Attack | ET DROP Spamhaus DROP Listed Traffic Inbound group 14 |
3980 | MSBuild.exe | Domain Observed Used for C2 Detected | REMOTE [ANY.RUN] Possible AsyncRAT SSL Certificate |
3980 | MSBuild.exe | Malware Command and Control Activity Detected | REMOTE [ANY.RUN] AsyncRAT Successful Connection |
7060 | InstallUtil.exe | Misc activity | ET INFO Observed Telegram Domain (t .me in TLS SNI) |
7060 | InstallUtil.exe | Not Suspicious Traffic | ET INFO OpenSSL Demo CA - Internet Widgits Pty (O) |
7060 | InstallUtil.exe | Not Suspicious Traffic | ET INFO OpenSSL Demo CA - Internet Widgits Pty (O) |
7060 | InstallUtil.exe | Not Suspicious Traffic | ET INFO OpenSSL Demo CA - Internet Widgits Pty (O) |