| File name: | njrat.exe |
| Full analysis: | https://app.any.run/tasks/9511c8c6-69da-476f-be50-dcffda30fe73 |
| 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 24, 2025, 16:12:29 |
| OS: | Windows 10 Professional (build: 19045, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/vnd.microsoft.portable-executable |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows, 6 sections |
| MD5: | A9DA4F13D6F4E2B8AF22548A107D8001 |
| SHA1: | 590B23477570B02B3C1C3F64968871389ECA6023 |
| SHA256: | 493E17F6CDA92E969227B3C3283736652F5EC04BC014A942E1993DAEEF165F9E |
| SSDEEP: | 98304:4FrKdW1rcB281yYlx1qIvYl3FNZeNi8Ru1q59HC3NP1EcmbATD7Wa0iOes6J9cJv:4VoDPC/xA |
| .exe | | | Win32 Executable (generic) (52.9) |
|---|---|---|
| .exe | | | Generic Win/DOS Executable (23.5) |
| .exe | | | DOS Executable Generic (23.5) |
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2020:12:01 18:00:55+00:00 |
| ImageFileCharacteristics: | Executable, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 14 |
| CodeSize: | 201216 |
| InitializedDataSize: | 75776 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x1ec40 |
| OSVersion: | 5.1 |
| ImageVersion: | - |
| SubsystemVersion: | 5.1 |
| Subsystem: | Windows GUI |
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 472 | "C:\WINDOWS\System32\WScript.exe" "C:\Users\admin\AppData\Local\Temp\e2ae5d03-1ce2-4f2d-b50a-53de7da13406.vbs" | C:\Windows\System32\wscript.exe | — | fontdrvhost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Microsoft ® Windows Based Script Host Version: 5.812.10240.16384 Modules
| |||||||||||||||
| 632 | C:\Windows\SchCache\fontdrvhost.exe | C:\Windows\SchCache\fontdrvhost.exe | wscript.exe | ||||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Version: 5.15.2.0 Modules
| |||||||||||||||
| 684 | "C:\WINDOWS\System32\WScript.exe" "C:\Users\admin\AppData\Local\Temp\81cd128c-4547-4777-a2a7-9ab560b701cc.vbs" | C:\Windows\System32\wscript.exe | — | fontdrvhost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Microsoft ® Windows Based Script Host Exit code: 0 Version: 5.812.10240.16384 Modules
| |||||||||||||||
| 872 | "C:\WINDOWS\System32\WScript.exe" "C:\Users\admin\AppData\Local\Temp\2ec064ae-c073-4e06-92b9-9e1843ccfbb0.vbs" | C:\Windows\System32\wscript.exe | — | fontdrvhost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Microsoft ® Windows Based Script Host Version: 5.812.10240.16384 Modules
| |||||||||||||||
| 920 | schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 13 /tr "'C:\containerperf\backgroundTaskHost.exe'" /rl HIGHEST /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
| |||||||||||||||
| 960 | C:\Windows\SchCache\fontdrvhost.exe | C:\Windows\SchCache\fontdrvhost.exe | wscript.exe | ||||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Version: 5.15.2.0 Modules
| |||||||||||||||
| 1052 | schtasks.exe /create /tn "backgroundTaskHost" /sc ONLOGON /tr "'C:\containerperf\backgroundTaskHost.exe'" /rl HIGHEST /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
| |||||||||||||||
| 1568 | "C:\WINDOWS\System32\WScript.exe" "C:\Users\admin\AppData\Local\Temp\15f42484-c5ae-4aa5-83bd-33344043b1d5.vbs" | C:\Windows\System32\wscript.exe | — | fontdrvhost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Microsoft ® Windows Based Script Host Exit code: 0 Version: 5.812.10240.16384 Modules
| |||||||||||||||
| 2092 | "C:\WINDOWS\System32\WScript.exe" "C:\Users\admin\AppData\Local\Temp\bfb66429-1b4b-4199-896c-60333192ad4c.vbs" | C:\Windows\System32\wscript.exe | — | fontdrvhost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Microsoft ® Windows Based Script Host Version: 5.812.10240.16384 Modules
| |||||||||||||||
| 2096 | schtasks.exe /create /tn "sluis" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\Windows Photo Viewer\slui.exe'" /rl HIGHEST /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
| |||||||||||||||
| (PID) Process: | (7520) njrat.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.vbe\OpenWithProgids |
| Operation: | write | Name: | VBEFile |
Value: | |||
| (PID) Process: | (7232) Hyperblockport.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System |
| Operation: | write | Name: | EnableLUA |
Value: 0 | |||
| (PID) Process: | (7232) Hyperblockport.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System |
| Operation: | write | Name: | ConsentPromptBehaviorAdmin |
Value: 0 | |||
| (PID) Process: | (7232) Hyperblockport.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System |
| Operation: | write | Name: | PromptOnSecureDesktop |
Value: 0 | |||
| (PID) Process: | (7232) Hyperblockport.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Action Center\Checks\{C8E6F269-B90A-4053-A3BE-499AFCEC98C4}.check.0 |
| Operation: | write | Name: | CheckSetting |
Value: 23004100430042006C006F00620000000000000000000000010000000000000000000000 | |||
| (PID) Process: | (6800) ShellExperienceHost.exe | Key: | \REGISTRY\A\{2e58ef82-5248-5666-74ac-1c13c365f231}\LocalState |
| Operation: | write | Name: | PeekBadges |
Value: 5B005D000000691D0A95D79CDB01 | |||
| (PID) Process: | (7232) Hyperblockport.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\da431eb9c000e6cba951a6bfebaefc180d56e39c |
| Operation: | write | Name: | d7841ab09fc04dab22ac067994e6c69d654b646d |
Value: WyJDOlxcY29udGFpbmVycGVyZlxcSHlwZXJibG9ja3BvcnQuZXhlIiwiQzpcXGNvbnRhaW5lcnBlcmZcXGJhY2tncm91bmRUYXNrSG9zdC5leGUiLCJDOlxcUHJvZ3JhbSBGaWxlcyAoeDg2KVxcT3BlcmFcXHNsdWkuZXhlIiwiQzpcXFdpbmRvd3NcXFNjaENhY2hlXFxmb250ZHJ2aG9zdC5leGUiLCJDOlxcUHJvZ3JhbSBGaWxlcyAoeDg2KVxcV2luZG93cyBQaG90byBWaWV3ZXJcXHNsdWkuZXhlIiwiQzpcXFByb2dyYW0gRmlsZXMgKHg4NilcXE1pY3Jvc29mdC5ORVRcXFJlZGlzdExpc3RcXGNzcnNzLmV4ZSIsIkM6XFxmb3VuZC4wMDBcXGRpcl8wMDAwMDAwMi5jaGtcXGxzYXNzLmV4ZSJd | |||
| (PID) Process: | (7232) Hyperblockport.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache |
| Operation: | write | Name: | C:\WINDOWS\System32\cmd.exe.FriendlyAppName |
Value: Windows Command Processor | |||
| (PID) Process: | (7232) Hyperblockport.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache |
| Operation: | write | Name: | C:\WINDOWS\System32\cmd.exe.ApplicationCompany |
Value: Microsoft Corporation | |||
| (PID) Process: | (9096) fontdrvhost.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System |
| Operation: | write | Name: | EnableLUA |
Value: 0 | |||
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 7520 | njrat.exe | C:\containerperf\GqIVhrHBUpNCPyn.vbe | binary | |
MD5:90A2E983F0C16682198551AFA3E7A353 | SHA256:67665265C0172B2C6DF484A2805B852845AE8EE1FC44CC1AB369E8B1E7FF5C00 | |||
| 7520 | njrat.exe | C:\containerperf\NNqy8Xs9dr.bat | text | |
MD5:7A122E2BF760C3BA657E5BA59337BCE2 | SHA256:B9469F10268A8E4A44814D71F3EB6530F2A4970933B586F6DC5E3EEBB2FE33F8 | |||
| 7520 | njrat.exe | C:\containerperf\Hyperblockport.exe | executable | |
MD5:4DC6258599C742FA6E6330FE6037D8E5 | SHA256:C3722D45E834305961FC21E8A473C049E7EC937EF4F94FF3DDE8A82DEE99CB6B | |||
| 7232 | Hyperblockport.exe | C:\containerperf\backgroundTaskHost.exe | executable | |
MD5:4DC6258599C742FA6E6330FE6037D8E5 | SHA256:C3722D45E834305961FC21E8A473C049E7EC937EF4F94FF3DDE8A82DEE99CB6B | |||
| 7232 | Hyperblockport.exe | C:\found.000\dir_00000002.chk\lsass.exe | executable | |
MD5:4DC6258599C742FA6E6330FE6037D8E5 | SHA256:C3722D45E834305961FC21E8A473C049E7EC937EF4F94FF3DDE8A82DEE99CB6B | |||
| 7232 | Hyperblockport.exe | C:\Program Files (x86)\Windows Photo Viewer\slui.exe | executable | |
MD5:4DC6258599C742FA6E6330FE6037D8E5 | SHA256:C3722D45E834305961FC21E8A473C049E7EC937EF4F94FF3DDE8A82DEE99CB6B | |||
| 7232 | Hyperblockport.exe | C:\Users\admin\AppData\Local\Temp\axYga8iI84 | text | |
MD5:CD5C196DFEAD5FE68752A98E95091409 | SHA256:564C250E4B3F3C6E7C027D0DF7A30AF5B08F9FA6FE9CEA3F44667CA4A2154012 | |||
| 7220 | powershell.exe | C:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_mvzhzuir.nxj.ps1 | text | |
MD5:D17FE0A3F47BE24A6453E9EF58C94641 | SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7 | |||
| 7232 | Hyperblockport.exe | C:\Program Files (x86)\Microsoft.NET\RedistList\csrss.exe | executable | |
MD5:4DC6258599C742FA6E6330FE6037D8E5 | SHA256:C3722D45E834305961FC21E8A473C049E7EC937EF4F94FF3DDE8A82DEE99CB6B | |||
| 7232 | Hyperblockport.exe | C:\Program Files (x86)\Windows Photo Viewer\a29f4157103644 | text | |
MD5:3EDC64B71FE8E245C53DB2BD4FC777A3 | SHA256:6EC4FB0F89555B3EB7A0C19905321D729E1C6076FFFBC21F6B210755FC548BBD | |||
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
6544 | svchost.exe | GET | 200 | 2.23.77.188:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
— | — | GET | 200 | 2.19.11.105:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
7776 | backgroundTaskHost.exe | GET | 200 | 2.23.77.188:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAUZZSZEml49Gjh0j13P68w%3D | unknown | — | — | whitelisted |
5496 | MoUsoCoreWorker.exe | GET | 200 | 2.19.11.105:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
6324 | SIHClient.exe | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl | unknown | — | — | whitelisted |
6324 | SIHClient.exe | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | unknown | — | — | whitelisted |
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
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 |
5496 | MoUsoCoreWorker.exe | 2.19.11.105:80 | crl.microsoft.com | Elisa Oyj | NL | whitelisted |
— | — | 2.19.11.105:80 | crl.microsoft.com | Elisa Oyj | NL | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
3216 | svchost.exe | 40.115.3.253:443 | client.wns.windows.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
6544 | svchost.exe | 40.126.32.136:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
6544 | svchost.exe | 2.23.77.188:80 | ocsp.digicert.com | AKAMAI-AS | DE | whitelisted |
7776 | backgroundTaskHost.exe | 20.31.169.57:443 | arc.msn.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
7776 | backgroundTaskHost.exe | 2.23.77.188:80 | ocsp.digicert.com | AKAMAI-AS | DE | 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 |
arc.msn.com |
| whitelisted |
bupsudn0.beget.tech |
| whitelisted |
slscr.update.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |