| URL: | https://workupload.com/archive/8TThWHMCAV |
| Full analysis: | https://app.any.run/tasks/e5b785d6-6e31-474d-9d58-a220c2847c49 |
| Verdict: | Malicious activity |
| Threats: | DCrat, also known as Dark Crystal RAT, is a remote access trojan (RAT), which was first introduced in 2018. It is a modular malware that can be customized to perform different tasks. For instance, it can steal passwords, crypto wallet information, hijack Telegram and Steam accounts, and more. Attackers may use a variety of methods to distribute DCrat, but phishing email campaigns are the most common. |
| Analysis date: | March 23, 2025, 18:46:12 |
| OS: | Windows 10 Professional (build: 19045, 64 bit) |
| Tags: | |
| Indicators: | |
| MD5: | 43D90A81FD2D7150037E53B0B6562BFC |
| SHA1: | DC69EBD7BD3670835E380CF1BD955BE67C63E7E8 |
| SHA256: | 0E103F6102125233ED707B39B78159EF3D19D8D3E5DCC7FF2A22BC988D25C9EA |
| SSDEEP: | 3:N8bXOrZOMLDm6:2itOMnm6 |
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 208 | "C:\ChainReviewDriverMonitorsvc/PerfDll.exe" | C:\ChainReviewDriverMonitorsvc\PerfDll.exe | — | cmd.exe | |||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Version: 1.2.7.1277 Modules
| |||||||||||||||
| 456 | "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --no-appcompat-clear --mojo-platform-channel-handle=4208 --field-trial-handle=2376,i,13597498969345512729,18234157484882691743,262144 --variations-seed-version /prefetch:8 | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | — | msedge.exe | |||||||||||
User: admin Integrity Level: LOW Description: Exit code: 0 Version: 0.0.0.0 Modules
| |||||||||||||||
| 632 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Console Window Host Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 720 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | powershell.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
| |||||||||||||||
| 728 | schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 6 /tr "'C:\Program Files (x86)\MSBuild\Microsoft\fontdrvhost.exe'" /f | C:\Windows\System32\schtasks.exe | — | WmiPrvSE.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
| |||||||||||||||
| 732 | "C:\WINDOWS\System32\WScript.exe" "C:\ChainReviewDriverMonitorsvc\h6yNKzpnJREtJbz2rjg0KI3Jx7Z7UeDszp29mOrZk1zLA2iJ9RrOSN.vbe" | C:\Windows\SysWOW64\wscript.exe | — | CATLAVAN.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Microsoft ® Windows Based Script Host Exit code: 0 Version: 5.812.10240.16384 Modules
| |||||||||||||||
| 776 | C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\admin\AppData\Local\Temp\RES9C3D.tmp" "c:\Program Files\CCleaner\CSC1880D7A9B0244FF80DB107885BA5259.TMP" | C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe | — | csc.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Microsoft® Resource File To COFF Object Conversion Utility Exit code: 0 Version: 14.32.31326.0 Modules
| |||||||||||||||
| 904 | "C:\Users\admin\Desktop\jjsploit.exe" | C:\Users\admin\Desktop\jjsploit.exe | — | explorer.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 1012 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | powershell.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
| |||||||||||||||
| 1180 | "C:\ChainReviewDriverMonitorsvc/PerfDll.exe" | C:\ChainReviewDriverMonitorsvc\PerfDll.exe | — | cmd.exe | |||||||||||
User: admin Integrity Level: MEDIUM Version: 1.2.7.1277 Modules
| |||||||||||||||
| (PID) Process: | (1512) msedge.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\EdgeUpdate\ClientStateMedium\{56EB18F8-B008-4CBD-B6D2-8C97FE7E9062}\LastWasDefault |
| Operation: | write | Name: | S-1-5-21-1693682860-607145093-2874071422-1001 |
Value: B8F9BF2F9D8F2F00 | |||
| (PID) Process: | (1512) msedge.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowProperties\197224 |
| Operation: | write | Name: | WindowTabManagerFileMappingId |
Value: {DDD69B2C-FEE9-41AC-A37D-34A0652CCD9C} | |||
| (PID) Process: | (1512) msedge.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowProperties\197224 |
| Operation: | write | Name: | WindowTabManagerFileMappingId |
Value: {AE809AA7-0737-4E41-9C10-DE23C16C2534} | |||
| (PID) Process: | (1512) msedge.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowProperties\197224 |
| Operation: | write | Name: | WindowTabManagerFileMappingId |
Value: {68C6BC31-9509-4CA8-AC77-C347C8E68914} | |||
| (PID) Process: | (1512) msedge.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowProperties\197224 |
| Operation: | write | Name: | WindowTabManagerFileMappingId |
Value: {952A130A-43AE-47D4-85EA-2BD5D902C741} | |||
| (PID) Process: | (1512) msedge.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Edge\BLBeacon |
| Operation: | write | Name: | failed_count |
Value: 0 | |||
| (PID) Process: | (1512) msedge.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Edge\BLBeacon |
| Operation: | write | Name: | state |
Value: 2 | |||
| (PID) Process: | (1512) msedge.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Edge\BLBeacon |
| Operation: | write | Name: | state |
Value: 1 | |||
| (PID) Process: | (1512) msedge.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Edge\StabilityMetrics |
| Operation: | write | Name: | user_experience_metrics.stability.exited_cleanly |
Value: 0 | |||
| (PID) Process: | (1512) msedge.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\EdgeUpdate\ClientStateMedium\{56EB18F8-B008-4CBD-B6D2-8C97FE7E9062}\LastWasDefault |
| Operation: | write | Name: | S-1-5-21-1693682860-607145093-2874071422-1001 |
Value: 2BE0AE2F9D8F2F00 | |||
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 1512 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\PersistentOriginTrials\LOG.old~RF10ca18.TMP | — | |
MD5:— | SHA256:— | |||
| 1512 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\PersistentOriginTrials\LOG.old | — | |
MD5:— | SHA256:— | |||
| 1512 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\commerce_subscription_db\LOG.old~RF10ca28.TMP | — | |
MD5:— | SHA256:— | |||
| 1512 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\commerce_subscription_db\LOG.old | — | |
MD5:— | SHA256:— | |||
| 1512 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\parcel_tracking_db\LOG.old~RF10ca37.TMP | — | |
MD5:— | SHA256:— | |||
| 1512 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\parcel_tracking_db\LOG.old | — | |
MD5:— | SHA256:— | |||
| 1512 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\discounts_db\LOG.old~RF10ca37.TMP | — | |
MD5:— | SHA256:— | |||
| 1512 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\discounts_db\LOG.old | — | |
MD5:— | SHA256:— | |||
| 1512 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\EdgePushStorageWithConnectTokenAndKey\LOG.old~RF10ca57.TMP | — | |
MD5:— | SHA256:— | |||
| 1512 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\EdgePushStorageWithConnectTokenAndKey\LOG.old | — | |
MD5:— | SHA256:— | |||
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
6544 | svchost.exe | GET | 200 | 23.54.109.203:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
— | — | GET | 200 | 23.48.23.183:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
7192 | backgroundTaskHost.exe | GET | 200 | 23.54.109.203:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAUZZSZEml49Gjh0j13P68w%3D | unknown | — | — | whitelisted |
1324 | SIHClient.exe | GET | 200 | 2.23.246.101:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | unknown | — | — | whitelisted |
9236 | fontdrvhost.exe | POST | 200 | 77.222.40.47:80 | http://sasatysen2.temp.swtest.ru/packetasynctrafficprivate.php | unknown | — | — | malicious |
1324 | SIHClient.exe | GET | 200 | 2.23.246.101:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl | unknown | — | — | whitelisted |
9236 | fontdrvhost.exe | POST | 200 | 77.222.40.47:80 | http://sasatysen2.temp.swtest.ru/packetasynctrafficprivate.php | unknown | — | — | malicious |
9236 | fontdrvhost.exe | POST | 200 | 77.222.40.47:80 | http://sasatysen2.temp.swtest.ru/packetasynctrafficprivate.php | unknown | — | — | malicious |
9236 | fontdrvhost.exe | POST | 200 | 77.222.40.47:80 | http://sasatysen2.temp.swtest.ru/packetasynctrafficprivate.php | unknown | — | — | malicious |
9236 | fontdrvhost.exe | POST | 200 | 77.222.40.47:80 | http://sasatysen2.temp.swtest.ru/packetasynctrafficprivate.php | unknown | — | — | malicious |
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
— | — | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
— | — | 23.48.23.183:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
3216 | svchost.exe | 40.113.103.199:443 | client.wns.windows.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
6544 | svchost.exe | 20.190.160.14:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
6544 | svchost.exe | 23.54.109.203:80 | ocsp.digicert.com | AKAMAI-AS | DE | whitelisted |
1512 | msedge.exe | 239.255.255.250:1900 | — | — | — | whitelisted |
7424 | msedge.exe | 172.217.16.194:443 | pagead2.googlesyndication.com | — | — | whitelisted |
7424 | msedge.exe | 142.250.184.194:443 | googleads.g.doubleclick.net | — | — | whitelisted |
7424 | msedge.exe | 13.107.246.44:443 | edge-mobile-static.azureedge.net | MICROSOFT-CORP-MSN-AS-BLOCK | US | 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 |
config.edge.skype.com |
| whitelisted |
workupload.com |
| whitelisted |
edge.microsoft.com |
| whitelisted |
edge-mobile-static.azureedge.net |
| whitelisted |
PID | Process | Class | Message |
|---|---|---|---|
2196 | svchost.exe | Potentially Bad Traffic | ET TA_ABUSED_SERVICES Commonly Abused Domain Service Domain in DNS Lookup (temp .swtest .ru) |
9236 | fontdrvhost.exe | A Network Trojan was detected | ET MALWARE [ANY.RUN] DarkCrystal Rat Check-in (POST) |
9236 | fontdrvhost.exe | A Network Trojan was detected | REMOTE [ANY.RUN] DarkCrystal Rat Check-in (POST) |