| download: | /a.txt |
| Full analysis: | https://app.any.run/tasks/d7de978e-221b-4c86-9c60-8925c64d7be0 |
| 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: | May 10, 2025, 03:15:14 |
| OS: | Windows 10 Professional (build: 19044, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | text/plain |
| File info: | Unicode text, UTF-8 text, with CRLF line terminators |
| MD5: | 58A7D973F891FBC97465297658DF8A09 |
| SHA1: | 017111C6D444DC3918E2A6CB5CE51BAD27531B87 |
| SHA256: | FA5F135ED7A868A15E0F79EE4CEBAD77428E8B24B99E90900F14CABEEA4F2060 |
| SSDEEP: | 48:Ye/ihbbM5oM92zKu2Gldw4bvfEQ/V3SpdfcSaFAzSGOgrHMu/mPROc59HeF:1ih/qowuN1LE5bfcSaFMSGO+F/mPEcQ |
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 240 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | cmd.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
| |||||||||||||||
| 444 | REG ADD "HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU" /v "NoAutoUpdate" /t REG_DWORD /d 1 /f | C:\Windows\SysWOW64\reg.exe | — | cmd.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
| |||||||||||||||
| 660 | "C:\WINDOWS\system32\cmd.exe" /c reg add "HKCU\Software\Microsoft" /v "Version" /t REG_SZ /d f6247d2f2d /f | C:\Windows\SysWOW64\cmd.exe | — | powershell.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows Command Processor Exit code: 0 Version: 10.0.19041.3636 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 736 | reagentc /info | C:\Windows\SysWOW64\ReAgentc.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Microsoft Windows Recovery Agent Exit code: 0 Version: 10.0.19041.3636 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 744 | REG ADD "HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate" /v "DisableWindowsUpdateAccess" /t REG_DWORD /d 1 /f | C:\Windows\SysWOW64\reg.exe | — | cmd.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
| |||||||||||||||
| 776 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | cmd.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
| |||||||||||||||
| 788 | reg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Recovery" /v "Rollback" /t REG_DWORD /d 0 /f | C:\Windows\SysWOW64\reg.exe | — | cmd.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
| |||||||||||||||
| 788 | "C:\Windows\SysWOW64\cmd.exe" /c "sc stop WaaSMedicSvc" | C:\Windows\SysWOW64\cmd.exe | — | wcm.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows Command Processor Exit code: 1062 Version: 10.0.19041.3636 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 840 | "C:\Windows\SysWOW64\cmd.exe" /c "schtasks /Change /TN "Microsoft\Windows\WindowsUpdate\Scheduled Start" /Disable" | C:\Windows\SysWOW64\cmd.exe | — | wcm.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows Command Processor Exit code: 0 Version: 10.0.19041.3636 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 900 | "C:\Windows\SysWOW64\cmd.exe" /c "REG ADD "HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU" /v "NoAutoUpdate" /t REG_DWORD /d 1 /f" | C:\Windows\SysWOW64\cmd.exe | — | wcm.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows Command Processor Exit code: 0 Version: 10.0.19041.3636 (WinBuild.160101.0800) Modules
| |||||||||||||||
| (PID) Process: | (6080) powershell.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\PowerShell\1\ShellIds\Microsoft.PowerShell |
| Operation: | write | Name: | ExecutionPolicy |
Value: Bypass | |||
| (PID) Process: | (2332) reg.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft |
| Operation: | write | Name: | App |
Value: crypto | |||
| (PID) Process: | (5056) reg.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft |
| Operation: | write | Name: | Application |
Value: Yes | |||
| (PID) Process: | (1244) msiexec.exe | Key: | HKEY_USERS\S-1-5-21-1693682860-607145093-2874071422-1001\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | ProxyBypass |
Value: 1 | |||
| (PID) Process: | (1244) msiexec.exe | Key: | HKEY_USERS\S-1-5-21-1693682860-607145093-2874071422-1001\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | IntranetName |
Value: 1 | |||
| (PID) Process: | (1244) msiexec.exe | Key: | HKEY_USERS\S-1-5-21-1693682860-607145093-2874071422-1001\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 1 | |||
| (PID) Process: | (1244) msiexec.exe | Key: | HKEY_USERS\S-1-5-21-1693682860-607145093-2874071422-1001\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 0 | |||
| (PID) Process: | (1244) msiexec.exe | Key: | HKEY_USERS\S-1-5-21-1693682860-607145093-2874071422-1001\SOFTWARE\Microsoft\RestartManager\Session0000 |
| Operation: | write | Name: | Owner |
Value: DC040000C6A8DD195AC1DB01 | |||
| (PID) Process: | (1244) msiexec.exe | Key: | HKEY_USERS\S-1-5-21-1693682860-607145093-2874071422-1001\SOFTWARE\Microsoft\RestartManager\Session0000 |
| Operation: | write | Name: | SessionHash |
Value: 469EC4D63FDFFA04E236C0FB170A5FCE960D5391918EFFC3600FE5E28DE6A16B | |||
| (PID) Process: | (1244) msiexec.exe | Key: | HKEY_USERS\S-1-5-21-1693682860-607145093-2874071422-1001\SOFTWARE\Microsoft\RestartManager\Session0000 |
| Operation: | write | Name: | Sequence |
Value: 1 | |||
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3100 | powershell.exe | C:\Users\admin\AppData\Roaming\CheckExtension\h.js | — | |
MD5:— | SHA256:— | |||
| 3100 | powershell.exe | C:\Users\admin\AppData\Roaming\CheckExtension\injected.js | binary | |
MD5:D27B34A314E362B6AB34F765A114F61F | SHA256:234BD31617000B0665244164371028F870711241B9C70FA38DDA03BC449274DE | |||
| 3100 | powershell.exe | C:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_psoq2jth.3p3.psm1 | text | |
MD5:D17FE0A3F47BE24A6453E9EF58C94641 | SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7 | |||
| 3100 | powershell.exe | C:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_wm5ikr0i.x0z.ps1 | text | |
MD5:D17FE0A3F47BE24A6453E9EF58C94641 | SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7 | |||
| 3100 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\Microsoft Edge.lnk | binary | |
MD5:1E0F6D60730831196712D3F2EEC0018D | SHA256:3A562D7D6A0AD8BB0A72353FE6EE3CCCE90B3B519D6DB69F6D4D32DCE404EF61 | |||
| 3100 | powershell.exe | C:\Users\admin\AppData\Local\Temp\extension.zip | compressed | |
MD5:52F32B331CD5BBE5D6C9650A7507EEC2 | SHA256:18263C5BC3E5B8FB5C9DBBF74BB1E33606085F068986CC354284E3FD3639091B | |||
| 3100 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\Microsoft Edge.lnk | binary | |
MD5:9270FDDB40791A02A1A4A2744B823AB0 | SHA256:B557BF4A694A1557D8F8E353FF056EC4778D092D9EBE552576352A1D33BD77E1 | |||
| 3100 | powershell.exe | C:\Users\admin\AppData\Roaming\CheckExtension\content.js | text | |
MD5:B29E93B5CC3387AAFF9B57477ED96B68 | SHA256:136B821F69EAC70BA81B12C5C08A418D73178F8FD1C1882DEFE5CC67E5ADE7BB | |||
| 3100 | powershell.exe | C:\Users\admin\AppData\Roaming\CheckExtension\invisible.png | binary | |
MD5:A13C7FB9DD0F88E3F9245A4F7DFD20CD | SHA256:44665F38BF2BB4650925EF4C7B28DCA22ABB3C36DBA6BEAF244FDA0B49D5879E | |||
| 1676 | powershell.exe | C:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_4ap0jrjo.mai.psm1 | text | |
MD5:D17FE0A3F47BE24A6453E9EF58C94641 | SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7 | |||
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
6544 | svchost.exe | GET | 200 | 2.17.190.73:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
— | — | GET | 200 | 23.35.229.160:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
6512 | 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 |
6512 | 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 |
— | — | GET | 200 | 23.216.77.31:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
2104 | svchost.exe | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
— | — | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
— | — | 23.216.77.31:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
— | — | 23.35.229.160:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
6544 | svchost.exe | 40.126.31.73:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
6544 | svchost.exe | 2.17.190.73:80 | ocsp.digicert.com | AKAMAI-AS | DE | whitelisted |
3100 | powershell.exe | 66.29.153.87:443 | solidity.bot | NAMECHEAP-NET | US | unknown |
2112 | svchost.exe | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
login.live.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
solidity.bot |
| unknown |
slscr.update.microsoft.com |
| whitelisted |
fe3cr.delivery.mp.microsoft.com |
| whitelisted |
nexusrules.officeapps.live.com |
| whitelisted |
PID | Process | Class | Message |
|---|---|---|---|
2196 | svchost.exe | Potentially Bad Traffic | ET INFO External IP Lookup Domain in DNS Lookup (ipwho .is) |
2840 | communication.exe | Domain Observed Used for C2 Detected | ET MALWARE Generic AsyncRAT/zgRAT Style SSL Cert |
2840 | communication.exe | Domain Observed Used for C2 Detected | ET MALWARE Observed Malicious SSL Cert (Quasar CnC) |
2840 | communication.exe | Malware Command and Control Activity Detected | REMOTE [ANY.RUN] QuasarRAT Successful Connection (GCM_SHA384) |