| URL: | https://github.com/quasar/Quasar/ |
| Full analysis: | https://app.any.run/tasks/568fbfe6-deb2-44a6-ac6c-223a66475867 |
| 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 01, 2024, 00:52:07 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MD5: | 844A8E689A57178B3CD939B951D360B3 |
| SHA1: | E8CCD534CBEC6265A0E9D3D24C7DFF9BAD505CA9 |
| SHA256: | 04E72AFD53DCF778AF00CF4FDE1A162920F2D969C2142DCA7B6188AF0E908A49 |
| SSDEEP: | 3:N8tEdkxXK/:2uyRK/ |
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 292 | ipconfig | C:\Windows\System32\ipconfig.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: IP Configuration Utility Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 328 | "C:\Users\admin\Desktop\Quasar v1.4.1\Quasar.exe" | C:\Users\admin\Desktop\Quasar v1.4.1\Quasar.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Description: Quasar Server Exit code: 0 Version: 1.4.1 Modules
| |||||||||||||||
| 900 | "C:\Users\admin\AppData\Roaming\Chrome\Client.exe" | C:\Users\admin\AppData\Roaming\Chrome\Client.exe | ChromeUpdater.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Description: Quasar Client Version: 1.4.1 Modules
Quasar(PID) Process(900) Client.exe Version1.4.1 C2 (2)192.168.100.2:55 Sub_DirChrome Install_NameClient.exe Mutex994c376b-9f66-4fbf-b57b-a52259b6d9c9 StartupChrome Update Services TagKozak LogDirLogs SignatureRhcPxoYAGfjbuq4q8lTKaDcOKJUfXOdYiXhtlTcwNEHsGOCIBO+Vhcgj8GloHcaISBOFG5TxUL5jEM588M8jJx5YXLtH/40gulYiQwCheH6ISaoXKGlhwpPFaB7ADQbuGfP+rzYrBzk0EgOl8muQwX3uQQJciR1NgPGm/86dV4fPlQMFp7Ghi16LZVM8L6cA4FHJH9ei6svZ2VsrICwRH6yG1KwL7ueCzhX7kx0sYP2D9zFY1t248ISkjYviBDOmOv1g64sJv2KKi3CNnEZlNZtcbhHgUkXv2y7Q1qIaYvJB... CertificateMIIE9DCCAtygAwIBAgIQAMJ2xqeOfGD85gw1wvRAEzANBgkqhkiG9w0BAQ0FADAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMCAXDTI0MDYyOTAwNTMzMloYDzk5OTkxMjMxMjM1OTU5WjAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAqXKtxsepSBOBwIUwGbrkZIAIj2AytmCYtaGNUMq9XLFAAwwOfabZAOVImgA/W43oGLlsYR/r... | |||||||||||||||
| 980 | "C:\Program Files\Microsoft\Edge\Application\msedge.exe" --type=renderer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2228 --field-trial-handle=1324,i,10970804020273072673,12862514187079140122,131072 /prefetch:1 | C:\Program Files\Microsoft\Edge\Application\msedge.exe | — | msedge.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: LOW Description: Microsoft Edge Exit code: 0 Version: 109.0.1518.115 Modules
| |||||||||||||||
| 1144 | "C:\Program Files\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4144 --field-trial-handle=1324,i,10970804020273072673,12862514187079140122,131072 /prefetch:8 | C:\Program Files\Microsoft\Edge\Application\msedge.exe | — | msedge.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft Edge Exit code: 0 Version: 109.0.1518.115 Modules
| |||||||||||||||
| 1164 | "C:\Program Files\Microsoft\Edge\Application\msedge.exe" --type=renderer --disable-gpu-compositing --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=17 --mojo-platform-channel-handle=2032 --field-trial-handle=1324,i,10970804020273072673,12862514187079140122,131072 /prefetch:1 | C:\Program Files\Microsoft\Edge\Application\msedge.exe | — | msedge.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: LOW Description: Microsoft Edge Exit code: 0 Version: 109.0.1518.115 Modules
| |||||||||||||||
| 1756 | "C:\Users\admin\Desktop\ChromeUpdater.exe" | C:\Users\admin\Desktop\ChromeUpdater.exe | — | explorer.exe | |||||||||||
User: admin Integrity Level: MEDIUM Description: Quasar Client Exit code: 2 Version: 1.4.1 Modules
| |||||||||||||||
| 1804 | "C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\Downloads\Quasar.v1.4.1.zip" | C:\Program Files\WinRAR\WinRAR.exe | msedge.exe | ||||||||||||
User: admin Company: Alexander Roshal Integrity Level: MEDIUM Description: WinRAR archiver Exit code: 0 Version: 5.91.0 Modules
| |||||||||||||||
| 1808 | "C:\Program Files\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=entity_extraction_service.mojom.Extractor --lang=en-US --service-sandbox-type=entity_extraction --mojo-platform-channel-handle=2796 --field-trial-handle=1324,i,10970804020273072673,12862514187079140122,131072 /prefetch:8 | C:\Program Files\Microsoft\Edge\Application\msedge.exe | — | msedge.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: LOW Description: Microsoft Edge Exit code: 0 Version: 109.0.1518.115 Modules
| |||||||||||||||
| 1828 | "C:\Program Files\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --mojo-platform-channel-handle=2892 --field-trial-handle=1324,i,10970804020273072673,12862514187079140122,131072 /prefetch:8 | C:\Program Files\Microsoft\Edge\Application\msedge.exe | — | msedge.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: LOW Description: Microsoft Edge Exit code: 0 Version: 109.0.1518.115 Modules
| |||||||||||||||
| (PID) Process: | (3368) msedge.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Edge\BLBeacon |
| Operation: | write | Name: | failed_count |
Value: 0 | |||
| (PID) Process: | (3368) msedge.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Edge\BLBeacon |
| Operation: | write | Name: | state |
Value: 2 | |||
| (PID) Process: | (3368) msedge.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Edge\ThirdParty |
| Operation: | write | Name: | StatusCodes |
Value: | |||
| (PID) Process: | (3368) msedge.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Edge\ThirdParty |
| Operation: | write | Name: | StatusCodes |
Value: 01000000 | |||
| (PID) Process: | (3368) msedge.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Edge\BLBeacon |
| Operation: | write | Name: | state |
Value: 1 | |||
| (PID) Process: | (3368) msedge.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\EdgeUpdate\ClientState\{56EB18F8-B008-4CBD-B6D2-8C97FE7E9062} |
| Operation: | write | Name: | dr |
Value: 1 | |||
| (PID) Process: | (3368) msedge.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Edge\StabilityMetrics |
| Operation: | write | Name: | user_experience_metrics.stability.exited_cleanly |
Value: 0 | |||
| (PID) Process: | (3368) msedge.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\EdgeUpdate\ClientStateMedium\{56EB18F8-B008-4CBD-B6D2-8C97FE7E9062}\LastWasDefault |
| Operation: | write | Name: | S-1-5-21-1302019708-1500728564-335382590-1000 |
Value: 2765734ABB7A2F00 | |||
| (PID) Process: | (3368) msedge.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\EdgeUpdate\ClientStateMedium\{56EB18F8-B008-4CBD-B6D2-8C97FE7E9062}\FirstNotDefault |
| Operation: | delete value | Name: | S-1-5-21-1302019708-1500728564-335382590-1000 |
Value: | |||
| (PID) Process: | (3368) msedge.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Edge |
| Operation: | write | Name: | UsageStatsInSample |
Value: 1 | |||
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3368 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\commerce_subscription_db\LOG.old~RF4e2da.TMP | — | |
MD5:— | SHA256:— | |||
| 3368 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\commerce_subscription_db\LOG.old | — | |
MD5:— | SHA256:— | |||
| 3368 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\EdgePushStorageWithConnectTokenAndKey\LOG.old~RF4e2ea.TMP | — | |
MD5:— | SHA256:— | |||
| 3368 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\EdgePushStorageWithConnectTokenAndKey\LOG.old | — | |
MD5:— | SHA256:— | |||
| 3368 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\EdgePushStorageWithConnectTokenAndKey\LOG.old~RF4e309.TMP | — | |
MD5:— | SHA256:— | |||
| 3368 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\LOG.old~RF4e338.TMP | — | |
MD5:— | SHA256:— | |||
| 3368 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\LOG.old | — | |
MD5:— | SHA256:— | |||
| 3368 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Variations | binary | |
MD5:961E3604F228B0D10541EBF921500C86 | SHA256:F7B24F2EB3D5EB0550527490395D2F61C3D2FE74BB9CB345197DAD81B58B5FED | |||
| 3400 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\CrashpadMetrics.pma | binary | |
MD5:886E82F2CA62ECCCE64601B30592078A | SHA256:E5E13D53601100FF3D6BB71514CBCCC4C73FE9B7EF5E930100E644187B42948E | |||
| 3368 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\Sync Data\LevelDB\LOG.old~RF4e2ea.TMP | text | |
MD5:646FEFDB4D82709E3056F5C71953783C | SHA256:7B83D8689750F64D31016F1E8AC2A4EB9D7DB406E4C9C66211D4ED17DEBFEAD9 | |||
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
1372 | svchost.exe | GET | 304 | 199.232.214.172:80 | http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?33775f6043c93e33 | unknown | — | — | unknown |
1372 | svchost.exe | GET | 200 | 23.48.23.143:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | unknown |
1372 | svchost.exe | GET | 200 | 95.101.149.131:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | unknown |
1060 | svchost.exe | GET | 304 | 199.232.214.172:80 | http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?a9f83325acc8ca75 | unknown | — | — | unknown |
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
3368 | msedge.exe | 239.255.255.250:1900 | — | — | — | whitelisted |
2564 | svchost.exe | 239.255.255.250:3702 | — | — | — | whitelisted |
1060 | svchost.exe | 224.0.0.252:5355 | — | — | — | unknown |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
1372 | svchost.exe | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | unknown |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
2092 | msedge.exe | 140.82.121.3:443 | github.com | GITHUB | US | unknown |
2092 | msedge.exe | 204.79.197.239:443 | edge.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | unknown |
2092 | msedge.exe | 13.107.42.16:443 | config.edge.skype.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
2092 | msedge.exe | 185.199.108.154:443 | github.githubassets.com | FASTLY | US | unknown |
Domain | IP | Reputation |
|---|---|---|
github.com |
| shared |
edge.microsoft.com |
| whitelisted |
config.edge.skype.com |
| whitelisted |
github.githubassets.com |
| whitelisted |
avatars.githubusercontent.com |
| whitelisted |
camo.githubusercontent.com |
| shared |
github-cloud.s3.amazonaws.com |
| shared |
user-images.githubusercontent.com |
| whitelisted |
raw.githubusercontent.com |
| shared |
www.bing.com |
| whitelisted |