| URL: | https://files.catbox.moe/vy4xt2.bat |
| Full analysis: | https://app.any.run/tasks/81f601dc-882b-4825-ac2a-63448249273c |
| 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: | April 04, 2025, 12:00:01 |
| OS: | Windows 10 Professional (build: 19044, 64 bit) |
| Tags: | |
| Indicators: | |
| MD5: | FFE40BDCBEC09E4A4775CE905D46A1FB |
| SHA1: | FB06B52CAD18067FC36D60EC0B523D455DC309B3 |
| SHA256: | 108058F192A0590583AEDCCC14774B5DE33CCE7E38806DAA12140FE9ACAAFF6F |
| SSDEEP: | 3:N8MW3o7xLH4:2MW47NY |
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 132 | "C:\WINDOWS\system32\findstr.exe" /i WDS100T2B0A | C:\Windows\System32\findstr.exe | — | powershell.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Find String (QGREP) Utility Exit code: 1 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
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| 1096 | "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --disable-quic --no-appcompat-clear --mojo-platform-channel-handle=2244 --field-trial-handle=1924,i,7580651121376764075,14732969958432654337,262144 --disable-features=OptimizationGuideModelDownloading,OptimizationHints,OptimizationHintsFetching,OptimizationTargetPrediction --variations-seed-version /prefetch:8 | C:\Program Files\Google\Chrome\Application\chrome.exe | — | chrome.exe | |||||||||||
User: admin Company: Google LLC Integrity Level: LOW Description: Google Chrome Version: 122.0.6261.70 Modules
| |||||||||||||||
| 1128 | "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --disable-quic --no-appcompat-clear --mojo-platform-channel-handle=2100 --field-trial-handle=1924,i,7580651121376764075,14732969958432654337,262144 --disable-features=OptimizationGuideModelDownloading,OptimizationHints,OptimizationHintsFetching,OptimizationTargetPrediction --variations-seed-version /prefetch:3 | C:\Program Files\Google\Chrome\Application\chrome.exe | chrome.exe | ||||||||||||
User: admin Company: Google LLC Integrity Level: MEDIUM Description: Google Chrome Version: 122.0.6261.70 Modules
| |||||||||||||||
| 1180 | C:\WINDOWS\system32\cmd.exe /c C:\Users\admin\Downloads\vy4xt2.bat %cd% | C:\Windows\System32\cmd.exe | — | Taskmgr.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows Command Processor Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 1616 | "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --disable-quic --no-appcompat-clear --mojo-platform-channel-handle=3504 --field-trial-handle=1924,i,7580651121376764075,14732969958432654337,262144 --disable-features=OptimizationGuideModelDownloading,OptimizationHints,OptimizationHintsFetching,OptimizationTargetPrediction --variations-seed-version /prefetch:8 | C:\Program Files\Google\Chrome\Application\chrome.exe | — | chrome.exe | |||||||||||
User: admin Company: Google LLC Integrity Level: LOW Description: Google Chrome Exit code: 0 Version: 122.0.6261.70 Modules
| |||||||||||||||
| 1748 | "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --disable-quic --no-appcompat-clear --mojo-platform-channel-handle=4564 --field-trial-handle=1924,i,7580651121376764075,14732969958432654337,262144 --disable-features=OptimizationGuideModelDownloading,OptimizationHints,OptimizationHintsFetching,OptimizationTargetPrediction --variations-seed-version /prefetch:8 | C:\Program Files\Google\Chrome\Application\chrome.exe | — | chrome.exe | |||||||||||
User: admin Company: Google LLC Integrity Level: LOW Description: Google Chrome Exit code: 0 Version: 122.0.6261.70 Modules
| |||||||||||||||
| 2140 | 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
| |||||||||||||||
| 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
| |||||||||||||||
| 2416 | "C:\WINDOWS\system32\notepad.exe" | C:\Windows\System32\notepad.exe | — | powershell.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Notepad Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 3796 | \??\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 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| (PID) Process: | (3900) chrome.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Google\Chrome\BLBeacon |
| Operation: | write | Name: | failed_count |
Value: 0 | |||
| (PID) Process: | (3900) chrome.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Google\Chrome\BLBeacon |
| Operation: | write | Name: | state |
Value: 2 | |||
| (PID) Process: | (3900) chrome.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Google\Chrome\BLBeacon |
| Operation: | write | Name: | state |
Value: 1 | |||
| (PID) Process: | (3900) chrome.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Google\Chrome\StabilityMetrics |
| Operation: | write | Name: | user_experience_metrics.stability.exited_cleanly |
Value: 0 | |||
| (PID) Process: | (3900) chrome.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Google\Update\ClientStateMedium\{8A69D345-D564-463C-AFF1-A69D9E530F96} |
| Operation: | write | Name: | usagestats |
Value: 0 | |||
| (PID) Process: | (6712) chrome.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached |
| Operation: | write | Name: | {2781761E-28E0-4109-99FE-B9D127C57AFE} {56FFCC30-D398-11D0-B2AE-00A0C908FA49} 0xFFFF |
Value: 01000000000000005E275C5059A5DB01 | |||
| (PID) Process: | (3900) chrome.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Google\Common\Rlz\RLZs |
| Operation: | write | Name: | C1 |
Value: 1C1GCEB_enDE1156DE1156 | |||
| (PID) Process: | (3900) chrome.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Google\Common\Rlz\RLZs |
| Operation: | write | Name: | C2 |
Value: 1C2GCEB_enDE1156 | |||
| (PID) Process: | (3900) chrome.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Google\Common\Rlz\RLZs |
| Operation: | write | Name: | C7 |
Value: 1C7GCEB_enDE1156 | |||
| (PID) Process: | (3900) chrome.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Google\Common\Rlz\Events\C |
| Operation: | delete value | Name: | C1F |
Value: | |||
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3900 | chrome.exe | C:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\commerce_subscription_db\LOG.old~RF10eb4c.TMP | — | |
MD5:— | SHA256:— | |||
| 3900 | chrome.exe | C:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\commerce_subscription_db\LOG.old | — | |
MD5:— | SHA256:— | |||
| 3900 | chrome.exe | C:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\parcel_tracking_db\LOG.old~RF10eb5c.TMP | — | |
MD5:— | SHA256:— | |||
| 3900 | chrome.exe | C:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\coupon_db\LOG.old~RF10eb5c.TMP | — | |
MD5:— | SHA256:— | |||
| 3900 | chrome.exe | C:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\chrome_cart_db\LOG.old~RF10eb5c.TMP | — | |
MD5:— | SHA256:— | |||
| 3900 | chrome.exe | C:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\PersistentOriginTrials\LOG.old~RF10eb6b.TMP | — | |
MD5:— | SHA256:— | |||
| 3900 | chrome.exe | C:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\PersistentOriginTrials\LOG.old | — | |
MD5:— | SHA256:— | |||
| 3900 | chrome.exe | C:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\chrome_cart_db\LOG.old | — | |
MD5:— | SHA256:— | |||
| 3900 | chrome.exe | C:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\coupon_db\LOG.old | — | |
MD5:— | SHA256:— | |||
| 3900 | chrome.exe | C:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\parcel_tracking_db\LOG.old | — | |
MD5:— | SHA256:— | |||
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
8140 | 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 |
4608 | svchost.exe | HEAD | 200 | 34.104.35.123:80 | http://edgedl.me.gvt1.com/edgedl/release2/chrome_component/ac6mhlwypzipnufijdvfyhdgvt4q_67/khaoiebndkojlmppeemjhbpbandiljpe_67_win_kfegpqlp6gezs4ree2ol2br2ym.crx3 | unknown | — | — | whitelisted |
5496 | MoUsoCoreWorker.exe | GET | 200 | 2.16.164.32:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
6544 | svchost.exe | GET | 200 | 2.17.190.73:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
4608 | svchost.exe | GET | 206 | 34.104.35.123:80 | http://edgedl.me.gvt1.com/edgedl/release2/chrome_component/ac6mhlwypzipnufijdvfyhdgvt4q_67/khaoiebndkojlmppeemjhbpbandiljpe_67_win_kfegpqlp6gezs4ree2ol2br2ym.crx3 | unknown | — | — | whitelisted |
4608 | svchost.exe | GET | 206 | 34.104.35.123:80 | http://edgedl.me.gvt1.com/edgedl/release2/chrome_component/ac6mhlwypzipnufijdvfyhdgvt4q_67/khaoiebndkojlmppeemjhbpbandiljpe_67_win_kfegpqlp6gezs4ree2ol2br2ym.crx3 | unknown | — | — | whitelisted |
4608 | svchost.exe | HEAD | 200 | 34.104.35.123:80 | http://edgedl.me.gvt1.com/edgedl/release2/chrome_component/imoffpf67hel7kbknqflao2oo4_1.0.2738.0/neifaoindggfcjicffkgpmnlppeffabd_1.0.2738.0_win64_kj4dp5kifwxbdodqls7e5nzhtm.crx3 | unknown | — | — | whitelisted |
4608 | svchost.exe | GET | 206 | 34.104.35.123:80 | http://edgedl.me.gvt1.com/edgedl/release2/chrome_component/imoffpf67hel7kbknqflao2oo4_1.0.2738.0/neifaoindggfcjicffkgpmnlppeffabd_1.0.2738.0_win64_kj4dp5kifwxbdodqls7e5nzhtm.crx3 | unknown | — | — | whitelisted |
4608 | svchost.exe | GET | 206 | 34.104.35.123:80 | http://edgedl.me.gvt1.com/edgedl/release2/chrome_component/imoffpf67hel7kbknqflao2oo4_1.0.2738.0/neifaoindggfcjicffkgpmnlppeffabd_1.0.2738.0_win64_kj4dp5kifwxbdodqls7e5nzhtm.crx3 | unknown | — | — | whitelisted |
4608 | svchost.exe | GET | 206 | 34.104.35.123:80 | http://edgedl.me.gvt1.com/edgedl/release2/chrome_component/imoffpf67hel7kbknqflao2oo4_1.0.2738.0/neifaoindggfcjicffkgpmnlppeffabd_1.0.2738.0_win64_kj4dp5kifwxbdodqls7e5nzhtm.crx3 | unknown | — | — | whitelisted |
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
— | — | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
5496 | MoUsoCoreWorker.exe | 2.16.164.32:80 | crl.microsoft.com | Akamai International B.V. | NL | whitelisted |
— | — | 172.172.255.218:443 | client.wns.windows.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
6544 | svchost.exe | 20.190.159.73:443 | 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 |
3900 | chrome.exe | 239.255.255.250:1900 | — | — | — | whitelisted |
1128 | chrome.exe | 66.102.1.84:443 | accounts.google.com | GOOGLE | US | whitelisted |
1128 | chrome.exe | 108.181.20.35:443 | files.catbox.moe | TELUS Communications | CA | malicious |
1128 | chrome.exe | 172.217.18.4:443 | www.google.com | GOOGLE | US | whitelisted |
Domain | IP | Reputation |
|---|---|---|
google.com |
| whitelisted |
settings-win.data.microsoft.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
login.live.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
files.catbox.moe |
| malicious |
accounts.google.com |
| whitelisted |
www.google.com |
| whitelisted |
sb-ssl.google.com |
| whitelisted |
PID | Process | Class | Message |
|---|---|---|---|
1128 | chrome.exe | Potentially Bad Traffic | ET INFO Observed File Sharing Service Download Domain (files .catbox .moe in TLS SNI) |
1128 | chrome.exe | Potentially Bad Traffic | ET INFO Observed File Sharing Service Download Domain (files .catbox .moe in TLS SNI) |
2196 | svchost.exe | Potentially Bad Traffic | ET INFO External IP Lookup Domain in DNS Lookup (ipwho .is) |
8044 | powershell.exe | Domain Observed Used for C2 Detected | ET MALWARE Generic AsyncRAT/zgRAT Style SSL Cert |
8044 | powershell.exe | Malware Command and Control Activity Detected | REMOTE [ANY.RUN] QuasarRAT Successful Connection (GCM_SHA384) |