| URL: | https://rkns.link/y476v |
| Full analysis: | https://app.any.run/tasks/aa55c211-26e2-4b0a-a52a-37456646fdb3 |
| Verdict: | Malicious activity |
| Analysis date: | March 21, 2025, 18:25:56 |
| OS: | Windows 10 Professional (build: 19045, 64 bit) |
| Indicators: | |
| MD5: | 45366C7677E5928777F7E111FEFB8224 |
| SHA1: | 4DEA6B57F36F8A32342356956F69C5732A40F531 |
| SHA256: | DC6B7ABFC7093D89C93FC1F81425D553DEB94077449DB559D32DA0797A1F2E6F |
| SSDEEP: | 3:N8exhP:2ghP |
MALICIOUS
No malicious indicators.SUSPICIOUS
No suspicious indicators.INFO
Reads the software policy settings
- BackgroundTransferHost.exe (PID: 5968)
- slui.exe (PID: 8612)
Checks proxy server information
- BackgroundTransferHost.exe (PID: 5968)
Application launched itself
- firefox.exe (PID: 1276)
- firefox.exe (PID: 900)
Reads security settings of Internet Explorer
- BackgroundTransferHost.exe (PID: 5164)
- BackgroundTransferHost.exe (PID: 5968)
- BackgroundTransferHost.exe (PID: 7752)
- BackgroundTransferHost.exe (PID: 8836)
Creates files or folders in the user directory
- BackgroundTransferHost.exe (PID: 5968)
Manual execution by a user
- WinRAR.exe (PID: 7676)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
Total processes
155
Monitored processes
23
Malicious processes
0
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 900 | "C:\Program Files\Mozilla Firefox\firefox.exe" https://rkns.link/y476v | C:\Program Files\Mozilla Firefox\firefox.exe | firefox.exe | ||||||||||||
User: admin Company: Mozilla Corporation Integrity Level: MEDIUM Description: Firefox Exit code: 0 Version: 123.0 Modules
| |||||||||||||||
| 1276 | "C:\Program Files\Mozilla Firefox\firefox.exe" "https://rkns.link/y476v" | C:\Program Files\Mozilla Firefox\firefox.exe | — | explorer.exe | |||||||||||
User: admin Company: Mozilla Corporation Integrity Level: MEDIUM Description: Firefox Version: 123.0 Modules
| |||||||||||||||
| 2148 | C:\WINDOWS\System32\rundll32.exe C:\WINDOWS\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding | C:\Windows\System32\rundll32.exe | — | svchost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows host process (Rundll32) 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
| |||||||||||||||
| 4892 | "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=5176 -childID 4 -isForBrowser -prefsHandle 5204 -prefMapHandle 5208 -prefsLen 31243 -prefMapSize 244583 -jsInitHandle 1396 -jsInitLen 235124 -parentBuildID 20240213221259 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {b0e07903-4cb2-48f9-a131-4e25890ecc3d} 900 "\\.\pipe\gecko-crash-server-pipe.900" 1c1584f1310 tab | C:\Program Files\Mozilla Firefox\firefox.exe | — | firefox.exe | |||||||||||
User: admin Company: Mozilla Corporation Integrity Level: MEDIUM Description: Firefox Exit code: 0 Version: 123.0 | |||||||||||||||
| 5164 | "BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1 | C:\Windows\System32\BackgroundTransferHost.exe | — | svchost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Download/Upload Host Exit code: 1 Version: 10.0.19041.3636 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 5968 | "BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1 | C:\Windows\System32\BackgroundTransferHost.exe | svchost.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Download/Upload Host Exit code: 1 Version: 10.0.19041.3636 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 7244 | "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=1800 -parentBuildID 20240213221259 -prefsHandle 1728 -prefMapHandle 1720 -prefsLen 31031 -prefMapSize 244583 -appDir "C:\Program Files\Mozilla Firefox\browser" - {9e099ba3-1ce9-4041-81d0-069a97a603f1} 900 "\\.\pipe\gecko-crash-server-pipe.900" 1c14cef1110 gpu | C:\Program Files\Mozilla Firefox\firefox.exe | — | firefox.exe | |||||||||||
User: admin Company: Mozilla Corporation Integrity Level: MEDIUM Description: Firefox Exit code: 1 Version: 123.0 | |||||||||||||||
| 7288 | "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=5320 -childID 5 -isForBrowser -prefsHandle 4984 -prefMapHandle 5196 -prefsLen 38364 -prefMapSize 244583 -jsInitHandle 1396 -jsInitLen 235124 -parentBuildID 20240213221259 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {cfbfa665-6340-4e12-b5da-4952e07f61df} 900 "\\.\pipe\gecko-crash-server-pipe.900" 1c1584f14d0 tab | C:\Program Files\Mozilla Firefox\firefox.exe | — | firefox.exe | |||||||||||
User: admin Company: Mozilla Corporation Integrity Level: MEDIUM Description: Firefox Exit code: 0 Version: 123.0 | |||||||||||||||
| 7324 | "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=2068 -parentBuildID 20240213221259 -prefsHandle 2060 -prefMapHandle 2056 -prefsLen 31031 -prefMapSize 244583 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {a76fdac8-2deb-4b62-8fcc-2f4ad351f247} 900 "\\.\pipe\gecko-crash-server-pipe.900" 1c141080b10 socket | C:\Program Files\Mozilla Firefox\firefox.exe | — | firefox.exe | |||||||||||
User: admin Company: Mozilla Corporation Integrity Level: MEDIUM Description: Firefox Exit code: 0 Version: 123.0 Modules
| |||||||||||||||
Total events
9 068
Read events
9 042
Write events
26
Delete events
0
Modification events
| (PID) Process: | (900) firefox.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Mozilla\Firefox\DllPrefetchExperiment |
| Operation: | write | Name: | C:\Program Files\Mozilla Firefox\firefox.exe |
Value: 0 | |||
| (PID) Process: | (5164) BackgroundTransferHost.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\Content |
| Operation: | write | Name: | CachePrefix |
Value: | |||
| (PID) Process: | (5164) BackgroundTransferHost.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\Cookies |
| Operation: | write | Name: | CachePrefix |
Value: Cookie: | |||
| (PID) Process: | (5164) BackgroundTransferHost.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\History |
| Operation: | write | Name: | CachePrefix |
Value: Visited: | |||
| (PID) Process: | (5968) BackgroundTransferHost.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\Content |
| Operation: | write | Name: | CachePrefix |
Value: | |||
| (PID) Process: | (5968) BackgroundTransferHost.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\Cookies |
| Operation: | write | Name: | CachePrefix |
Value: Cookie: | |||
| (PID) Process: | (5968) BackgroundTransferHost.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\History |
| Operation: | write | Name: | CachePrefix |
Value: Visited: | |||
| (PID) Process: | (7752) BackgroundTransferHost.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\Content |
| Operation: | write | Name: | CachePrefix |
Value: | |||
| (PID) Process: | (7752) BackgroundTransferHost.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\Cookies |
| Operation: | write | Name: | CachePrefix |
Value: Cookie: | |||
| (PID) Process: | (7752) BackgroundTransferHost.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\History |
| Operation: | write | Name: | CachePrefix |
Value: Visited: | |||
Executable files
0
Suspicious files
190
Text files
21
Unknown types
3
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 900 | firefox.exe | C:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\9kie7cg6.default-release\startupCache\scriptCache-current.bin | — | |
MD5:— | SHA256:— | |||
| 900 | firefox.exe | C:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\9kie7cg6.default-release\startupCache\urlCache-current.bin | binary | |
MD5:297E88D7CEB26E549254EC875649F4EB | SHA256:8B75D4FB1845BAA06122888D11F6B65E6A36B140C54A72CC13DF390FD7C95702 | |||
| 900 | firefox.exe | C:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\9kie7cg6.default-release\sessionCheckpoints.json | binary | |
MD5:EA8B62857DFDBD3D0BE7D7E4A954EC9A | SHA256:792955295AE9C382986222C6731C5870BD0E921E7F7E34CC4615F5CD67F225DA | |||
| 900 | firefox.exe | C:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\9kie7cg6.default-release\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite | — | |
MD5:— | SHA256:— | |||
| 900 | firefox.exe | C:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\9kie7cg6.default-release\cert9.db | binary | |
MD5:E6B0630A355ECBCAB0FEC3B722BCFF4E | SHA256:1452B7F390161932760988CE1C612AF36E86E94EBF911D540CF119F8AC024747 | |||
| 900 | firefox.exe | C:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\9kie7cg6.default-release\startupCache\scriptCache-child-current.bin | binary | |
MD5:C95DDC2B1A525D1A243E4C294DA2F326 | SHA256:3A5919E086BFB31E36110CF636D2D5109EB51F2C410B107F126126AB25D67363 | |||
| 900 | firefox.exe | C:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\9kie7cg6.default-release\cookies.sqlite-shm | binary | |
MD5:B7C14EC6110FA820CA6B65F5AEC85911 | SHA256:FD4C9FDA9CD3F9AE7C962B0DDF37232294D55580E1AA165AA06129B8549389EB | |||
| 900 | firefox.exe | C:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\9kie7cg6.default-release\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite-shm | binary | |
MD5:B7C14EC6110FA820CA6B65F5AEC85911 | SHA256:FD4C9FDA9CD3F9AE7C962B0DDF37232294D55580E1AA165AA06129B8549389EB | |||
| 900 | firefox.exe | C:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\9kie7cg6.default-release\prefs.js | text | |
MD5:2C99A16AED3906D92FFE3EF1808E2753 | SHA256:08412578CC3BB4922388F8FF8C23962F616B69A1588DA720ADE429129C73C452 | |||
| 900 | firefox.exe | C:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\9kie7cg6.default-release\sessionCheckpoints.json.tmp | binary | |
MD5:EA8B62857DFDBD3D0BE7D7E4A954EC9A | SHA256:792955295AE9C382986222C6731C5870BD0E921E7F7E34CC4615F5CD67F225DA | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
46
TCP/UDP connections
182
DNS requests
228
Threats
6
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
5496 | MoUsoCoreWorker.exe | GET | 200 | 23.53.40.178:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
— | — | GET | 200 | 23.53.40.178:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
— | — | GET | 200 | 23.53.40.178:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
— | — | GET | 200 | 34.107.221.82:80 | http://detectportal.firefox.com/success.txt?ipv4 | unknown | — | — | whitelisted |
— | — | GET | 200 | 34.107.221.82:80 | http://detectportal.firefox.com/canonical.html | unknown | — | — | whitelisted |
— | — | POST | 200 | 23.32.238.49:80 | http://r11.o.lencr.org/ | unknown | — | — | whitelisted |
— | — | POST | 200 | 142.250.181.227:80 | http://o.pki.goog/s/wr3/cgo | unknown | — | — | whitelisted |
— | — | POST | 200 | 23.32.238.49:80 | http://r11.o.lencr.org/ | unknown | — | — | whitelisted |
— | — | POST | 200 | 23.32.238.49:80 | http://r10.o.lencr.org/ | unknown | — | — | whitelisted |
— | — | POST | 200 | 23.32.238.49:80 | http://r11.o.lencr.org/ | unknown | — | — | whitelisted |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
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 | 23.53.40.178:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
— | — | 23.53.40.178:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
5496 | MoUsoCoreWorker.exe | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
— | — | 135.125.183.247:443 | rkns.link | OVH SAS | FR | malicious |
— | — | 34.107.221.82:80 | detectportal.firefox.com | GOOGLE | US | whitelisted |
— | — | 34.117.188.166:443 | contile.services.mozilla.com | GOOGLE-CLOUD-PLATFORM | US | whitelisted |
— | — | 172.217.18.10:443 | safebrowsing.googleapis.com | — | — | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
google.com |
| whitelisted |
settings-win.data.microsoft.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
rkns.link |
| malicious |
detectportal.firefox.com |
| whitelisted |
prod.detectportal.prod.cloudops.mozgcp.net |
| whitelisted |
contile.services.mozilla.com |
| whitelisted |
spocs.getpocket.com |
| whitelisted |
example.org |
| whitelisted |
ipv4only.arpa |
| whitelisted |
Threats
PID | Process | Class | Message |
|---|---|---|---|
— | — | Potentially Bad Traffic | ET HUNTING File Sharing Related Domain (www .mediafire .com) in DNS Lookup |
— | — | Potentially Bad Traffic | ET HUNTING File Sharing Related Domain (www .mediafire .com) in DNS Lookup |
— | — | Potentially Bad Traffic | ET HUNTING File Sharing Related Domain (www .mediafire .com) in DNS Lookup |
— | — | Potentially Bad Traffic | ET FILE_SHARING File Sharing Related Domain in DNS Lookup (download .mediafire .com) |
— | — | Potentially Bad Traffic | ET FILE_SHARING File Sharing Related Domain in DNS Lookup (download .mediafire .com) |
— | — | Potentially Bad Traffic | ET FILE_SHARING File Sharing Related Domain in DNS Lookup (download .mediafire .com) |