| File name: | Quasar.v1.4.1.zip |
| Full analysis: | https://app.any.run/tasks/2a13463d-5452-4f44-8f8a-21d8c5251455 |
| 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: | July 27, 2024, 09:09:25 |
| OS: | Windows 10 Professional (build: 19045, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/zip |
| File info: | Zip archive data, at least v2.0 to extract, compression method=store |
| MD5: | 13AA4BF4F5ED1AC503C69470B1EDE5C1 |
| SHA1: | C0B7DADFF8AC37F6D9FD00AE7F375E12812BFC00 |
| SHA256: | 4CDEB2EAE1CEC1AB07077142313C524E9CF360CDEC63497538C4405C2D8DED62 |
| SSDEEP: | 49152:lYLmNgMh/9yUsRFeWMyYISDSwtfxZQNemi57PdHmeFINp/lFnsDbNFNepL6DJo+J:mL9U1yUUQykOQ91XFYBlR8P9d5uNJo9 |
| .zip | | | ZIP compressed archive (100) |
|---|
| ZipRequiredVersion: | 20 |
|---|---|
| ZipBitFlag: | - |
| ZipCompression: | None |
| ZipModifyDate: | 2023:03:12 17:20:00 |
| ZipCRC: | 0x00000000 |
| ZipCompressedSize: | - |
| ZipUncompressedSize: | - |
| ZipFileName: | Quasar v1.4.1/ |
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2340 | "C:\Program Files\WinRAR\WinRAR.exe" C:\Users\admin\Desktop\Quasar.v1.4.1.zip | C:\Program Files\WinRAR\WinRAR.exe | explorer.exe | ||||||||||||
User: admin Company: Alexander Roshal Integrity Level: MEDIUM Description: WinRAR archiver Exit code: 0 Version: 5.91.0 Modules
| |||||||||||||||
| 2996 | "C:\Windows\explorer.exe" /select, "C:\Users\admin\AppData\Local\Temp\Rar$EXa2340.20568\Quasar v1.4.1\quasar.p12" | C:\Windows\explorer.exe | — | Quasar.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Explorer Exit code: 1 Version: 10.0.19041.3758 (WinBuild.160101.0800) | |||||||||||||||
| 3488 | "C:\Users\admin\Desktop\Client-built.exe" | C:\Users\admin\Desktop\Client-built.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Description: Quasar Client Exit code: 3 Version: 1.4.1 | |||||||||||||||
| 3536 | "C:\WINDOWS\system32\notepad.exe" | C:\Windows\System32\notepad.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Notepad Version: 10.0.19041.1 (WinBuild.160101.0800) | |||||||||||||||
| 3572 | "C:\Users\admin\AppData\Local\Temp\Rar$EXa2340.20568\Quasar v1.4.1\Quasar.exe" | C:\Users\admin\AppData\Local\Temp\Rar$EXa2340.20568\Quasar v1.4.1\Quasar.exe | WinRAR.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Description: Quasar Server Version: 1.4.1 Modules
| |||||||||||||||
| 3968 | "C:\Users\admin\AppData\Roaming\SubDir\fun.exe" | C:\Users\admin\AppData\Roaming\SubDir\fun.exe | cmd.exe | ||||||||||||
User: admin Integrity Level: HIGH Description: Quasar Client Version: 1.4.1 Quasar(PID) Process(3968) fun.exe Version1.4.1 C2 (2)127.0.0.1:4782 Sub_DirSubDir Install_Namefun.exe Mutex2ac3ef1a-e1ed-47b7-ba32-1861c7c8957e Startupfun TagOffice04 LogDirLogs SignatureTgS8293ciMgoEpXQdEwa+h8UUksNi2RbJRQSznms+V80jFaBP9e5xgKZ+f0OUvy4tJEv0NBM9Yg5cFJFl+b2MC99RolzElMPQWIvEXA/ud4TuqYi9cWJZh6aYJdAOYfKcvw9UQKSjEL+nY73hBSIAq+OfMBXzvUs7gdI1+Y1LEk5mOFkyRQJXtzTGFhyADWCBZen7LBjDRqgeJwsKASfUbCTdnD3xentxtI2piBU81f345ECFDpUnBdJDbthCAtiJm0KD/CTaGEsF5yWrgTNdyFyFFgppTWXK0zz0se0ZHxe... CertificateMIIE9DCCAtygAwIBAgIQAOotmlvaPzO7ZUW8brcdqTANBgkqhkiG9w0BAQ0FADAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMCAXDTI0MDcyNTA5MTAxMloYDzk5OTkxMjMxMjM1OTU5WjAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAsjWSSC4XPzlnrqgHVYBIQpbXU8FigTauAuFZuPy9DPTbdg4un1VZRspIzTN5LFUwHnIJZywN... | |||||||||||||||
| 4356 | C:\WINDOWS\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding | C:\Windows\explorer.exe | — | svchost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Explorer Exit code: 1 Version: 10.0.19041.3758 (WinBuild.160101.0800) | |||||||||||||||
| 5672 | \??\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) | |||||||||||||||
| 6504 | "schtasks" /create /tn "fun" /sc ONLOGON /tr "C:\Users\admin\AppData\Roaming\SubDir\fun.exe" /rl HIGHEST /f | C:\Windows\System32\schtasks.exe | — | fun.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) | |||||||||||||||
| 6728 | "C:\Users\admin\Desktop\fun.exe" | C:\Users\admin\Desktop\fun.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Description: Quasar Client Version: 1.4.1 Quasar(PID) Process(6728) fun.exe Version1.4.1 C2 (2)0.0.0.0:4782 Sub_DirSubDir Install_NameClient.exe Mutex7383ee55-0743-4759-a911-2481dff29a06 StartupQuasar Client Startup TagOffice04 LogDirLogs SignatureTgS8293ciMgoEpXQdEwa+h8UUksNi2RbJRQSznms+V80jFaBP9e5xgKZ+f0OUvy4tJEv0NBM9Yg5cFJFl+b2MC99RolzElMPQWIvEXA/ud4TuqYi9cWJZh6aYJdAOYfKcvw9UQKSjEL+nY73hBSIAq+OfMBXzvUs7gdI1+Y1LEk5mOFkyRQJXtzTGFhyADWCBZen7LBjDRqgeJwsKASfUbCTdnD3xentxtI2piBU81f345ECFDpUnBdJDbthCAtiJm0KD/CTaGEsF5yWrgTNdyFyFFgppTWXK0zz0se0ZHxe... CertificateMIIE9DCCAtygAwIBAgIQAOotmlvaPzO7ZUW8brcdqTANBgkqhkiG9w0BAQ0FADAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMCAXDTI0MDcyNTA5MTAxMloYDzk5OTkxMjMxMjM1OTU5WjAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAsjWSSC4XPzlnrqgHVYBIQpbXU8FigTauAuFZuPy9DPTbdg4un1VZRspIzTN5LFUwHnIJZywN... | |||||||||||||||
| (PID) Process: | (2340) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\Interface\Themes |
| Operation: | write | Name: | ShellExtBMP |
Value: | |||
| (PID) Process: | (2340) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\Interface\Themes |
| Operation: | write | Name: | ShellExtIcon |
Value: | |||
| (PID) Process: | (2340) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory |
| Operation: | write | Name: | 1 |
Value: C:\Users\admin\Desktop\GoogleChromeEnterpriseBundle64.zip | |||
| (PID) Process: | (2340) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory |
| Operation: | write | Name: | 0 |
Value: C:\Users\admin\Desktop\Quasar.v1.4.1.zip | |||
| (PID) Process: | (2340) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | name |
Value: 120 | |||
| (PID) Process: | (2340) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | size |
Value: 80 | |||
| (PID) Process: | (2340) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | type |
Value: 120 | |||
| (PID) Process: | (2340) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | mtime |
Value: 100 | |||
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2340 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Rar$EXa2340.20568\Quasar v1.4.1\3rdPartyLicenses\Be.HexEditor_license.txt | text | |
MD5:0A5C19336B04E958B8E528D66A61D048 | SHA256:D691BA20526ED297DBABFD8BEEC2EF0DD2EE769783152BA5BCB9EB5037435EFB | |||
| 2340 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Rar$EXa2340.20568\Quasar v1.4.1\Mono.Cecil.Pdb.dll | executable | |
MD5:6D5EB860C2BE5DBEB470E7D3F3E7DDA4 | SHA256:447EDE1984BB4ACD73BD97C0EC57A11C079CEE8301C91FB199CA98C1906D3CC4 | |||
| 2340 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Rar$EXa2340.20568\Quasar v1.4.1\client.bin | executable | |
MD5:F4D16CFE4CAD388255E43F258329F805 | SHA256:8FB6AE3496D4AC025EAB443D3E322B0FAA3461D25B54093C9205D35746E3250E | |||
| 2340 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Rar$EXa2340.20568\Quasar v1.4.1\3rdPartyLicenses\protobuf-net_license.txt | text | |
MD5:DFE8687C4F152EE2B14F9BE8493FCA9C | SHA256:2B492575A689E98DA5CED83D486A95C03D99F4A318CD4E8B04FE9C8DD53D8E51 | |||
| 2340 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Rar$EXa2340.20568\Quasar v1.4.1\3rdPartyLicenses\Open.Nat_license.txt | text | |
MD5:E306664D753023CA56DBCA39110AE1C4 | SHA256:D9E507EF9EDF463EAF893160F087A1C1A5325147DDD2C9A14C745454EB676DED | |||
| 2340 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Rar$EXa2340.20568\Quasar v1.4.1\Mono.Cecil.Mdb.dll | executable | |
MD5:1C6ACA0F1B1FA1661FC1E43C79334F7C | SHA256:411F8ED8C49738FA38A56ED8F991D556227D13602E83186E66AE1C4F821C940B | |||
| 2340 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Rar$EXa2340.20568\Quasar v1.4.1\Gma.System.MouseKeyHook.dll | executable | |
MD5:BFB3BD1CB571360435100BFA6ED2B997 | SHA256:A67A424013544C8270C12633E2E1E287CD5CF0B3F2E81E8D8204B37A03DA59EF | |||
| 2340 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Rar$EXa2340.20568\Quasar v1.4.1\LICENSE | text | |
MD5:2656BF9FCAF47FA043715BBD3B2F5134 | SHA256:49A25B5003AE74DC02141BA8CD29E1515BAF4A2BF8D783019CC2148E07688B9B | |||
| 2340 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Rar$EXa2340.20568\Quasar v1.4.1\Mono.Cecil.dll | executable | |
MD5:DE69BB29D6A9DFB615A90DF3580D63B1 | SHA256:F66F97866433E688ACC3E4CD1E6EF14505F81DF6B26DD6215E376767F6F954BC | |||
| 2340 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Rar$EXa2340.20568\Quasar v1.4.1\3rdPartyLicenses\SilkIcons_license.txt | text | |
MD5:A2D0860B0BA326ECC54BA0B6F5E9BAE6 | SHA256:B9906CFEF91131960ADB0EECDD8A85DCBA384A48DE6613B237F2888ED92B3E12 | |||
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
— | — | GET | 304 | 13.85.23.86:443 | https://slscr.update.microsoft.com/SLS/%7B522D76A4-93E1-47F8-B8CE-07C937AD1A1E%7D/x64/10.0.19045.4046/0?CH=686&L=en-US&P=&PT=0x30&WUA=10.0.19041.3996&MK=DELL&MD=DELL | unknown | — | — | — |
— | — | GET | 200 | 20.242.39.171:443 | https://fe3cr.delivery.mp.microsoft.com/clientwebservice/ping | unknown | — | — | — |
— | — | GET | 200 | 13.85.23.86:443 | https://slscr.update.microsoft.com/sls/ping | unknown | — | — | — |
— | — | GET | 200 | 13.85.23.86:443 | https://slscr.update.microsoft.com/SLS/%7B522D76A4-93E1-47F8-B8CE-07C937AD1A1E%7D/x64/10.0.19045.4046/0?CH=686&L=en-US&P=&PT=0x30&WUA=10.0.19041.3996&MK=DELL&MD=DELL | unknown | — | — | — |
— | — | GET | 304 | 13.85.23.86:443 | https://slscr.update.microsoft.com/SLS/%7B522D76A4-93E1-47F8-B8CE-07C937AD1A1E%7D/x64/10.0.19045.4046/0?CH=686&L=en-US&P=&PT=0x30&WUA=10.0.19041.3996&MK=DELL&MD=DELL | unknown | — | — | — |
— | — | GET | 304 | 13.85.23.86:443 | https://slscr.update.microsoft.com/SLS/%7BE7A50285-D08D-499D-9FF8-180FDC2332BC%7D/x64/10.0.19045.4046/0?CH=686&L=en-US&P=&PT=0x30&WUA=10.0.19041.3996&MK=DELL&MD=DELL | unknown | — | — | — |
— | — | GET | 200 | 13.85.23.86:443 | https://slscr.update.microsoft.com/SLS/%7BE7A50285-D08D-499D-9FF8-180FDC2332BC%7D/x64/10.0.19045.4046/0?CH=686&L=en-US&P=&PT=0x30&WUA=10.0.19041.3996&MK=DELL&MD=DELL | unknown | — | — | — |
— | — | GET | — | 184.86.251.25:443 | https://www.bing.com/dsb/scenario?name=TrendingSearchWithCache&cc=us&setlang=en-us | unknown | — | — | — |
— | — | POST | 200 | 13.89.179.8:443 | https://self.events.data.microsoft.com/OneCollector/1.0/ | unknown | binary | 9 b | — |
— | — | POST | 500 | 40.91.76.224:443 | https://activation-v2.sls.microsoft.com/SLActivateProduct/SLActivateProduct.asmx?configextension=Retail | unknown | xml | 512 b | — |
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
4128 | svchost.exe | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | unknown |
— | — | 131.253.33.254:443 | a-ring-fallback.msedge.net | MICROSOFT-CORP-MSN-AS-BLOCK | US | unknown |
— | — | 184.86.251.27:443 | www.bing.com | Akamai International B.V. | DE | unknown |
1800 | slui.exe | 40.91.76.224:443 | — | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
6012 | MoUsoCoreWorker.exe | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | unknown |
6044 | RUXIMICS.exe | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | unknown |
— | — | 40.91.76.224:443 | — | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
3952 | svchost.exe | 239.255.255.250:1900 | — | — | — | whitelisted |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
t-ring-fdv2.msedge.net |
| unknown |
a-ring-fallback.msedge.net |
| unknown |
www.bing.com |
| whitelisted |
google.com |
| whitelisted |
self.events.data.microsoft.com |
| whitelisted |
ipwho.is |
| malicious |
slscr.update.microsoft.com |
| whitelisted |
fe3cr.delivery.mp.microsoft.com |
| whitelisted |
fp-afd-nocache-ccp.azureedge.net |
| whitelisted |
PID | Process | Class | Message |
|---|---|---|---|
— | — | Potentially Bad Traffic | ET INFO External IP Lookup Domain in DNS Lookup (ipwho .is) |
— | — | Potentially Bad Traffic | ET INFO External IP Lookup Domain in DNS Lookup (ipwho .is) |