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URL:

https://pdf.ac/AY491

Full analysis: https://app.any.run/tasks/98d5bcee-b3e0-424b-9c29-4ea0fd1879ec
Verdict: Malicious activity
Analysis date: October 05, 2022, 07:48:08
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MD5:

23ECC448AD196E534C2B2246E304EDEE

SHA1:

A670D0896C350D95DA395BC174D04E44D6611DA0

SHA256:

CF9F19F958A2E31B47F7BDD225F1B1BD8143537CBD62FBFFD34C6035EFA409BD

SSDEEP:

3:N8FH86Un:2N86U

ANY.RUN is an interactive service which provides full access to the guest system. Information in this report could be distorted by user actions and is provided for user acknowledgement as it is. ANY.RUN does not guarantee maliciousness or safety of the content.
  • MALICIOUS

    No malicious indicators.
  • SUSPICIOUS

    No suspicious indicators.
  • INFO

    • Application launched itself

      • firefox.exe (PID: 600)
      • firefox.exe (PID: 3056)
    • Dropped object may contain TOR URL's

      • firefox.exe (PID: 3056)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
43
Monitored processes
9
Malicious processes
0
Suspicious processes
0

Behavior graph

Click at the process to see the details
start firefox.exe no specs firefox.exe firefox.exe no specs firefox.exe no specs firefox.exe no specs firefox.exe no specs firefox.exe no specs firefox.exe no specs firefox.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
600"C:\Program Files\Mozilla Firefox\firefox.exe" "https://pdf.ac/AY491"C:\Program Files\Mozilla Firefox\firefox.exeExplorer.EXE
User:
admin
Company:
Mozilla Corporation
Integrity Level:
MEDIUM
Description:
Firefox
Exit code:
0
Version:
83.0
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\kernel32.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\crypt32.dll
3056"C:\Program Files\Mozilla Firefox\firefox.exe" https://pdf.ac/AY491C:\Program Files\Mozilla Firefox\firefox.exe
firefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
MEDIUM
Description:
Firefox
Version:
83.0
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\crypt32.dll
736"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3056.0.1939650829\800064980" -parentBuildID 20201112153044 -prefsHandle 1132 -prefMapHandle 1124 -prefsLen 1 -prefMapSize 238726 -appdir "C:\Program Files\Mozilla Firefox\browser" - 3056 "\\.\pipe\gecko-crash-server-pipe.3056" 1216 gpuC:\Program Files\Mozilla Firefox\firefox.exefirefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
MEDIUM
Description:
Firefox
Version:
83.0
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\windows\system32\kernel32.dll
c:\windows\system32\ntdll.dll
c:\windows\system32\kernelbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\msasn1.dll
2664"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3056.6.1451872697\1312598905" -childID 1 -isForBrowser -prefsHandle 2840 -prefMapHandle 2836 -prefsLen 245 -prefMapSize 238726 -parentBuildID 20201112153044 -appdir "C:\Program Files\Mozilla Firefox\browser" - 3056 "\\.\pipe\gecko-crash-server-pipe.3056" 2852 tabC:\Program Files\Mozilla Firefox\firefox.exefirefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
LOW
Description:
Firefox
Version:
83.0
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\kernel32.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\crypt32.dll
2508"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3056.13.1821320407\1030635573" -childID 2 -isForBrowser -prefsHandle 1928 -prefMapHandle 2188 -prefsLen 6644 -prefMapSize 238726 -parentBuildID 20201112153044 -appdir "C:\Program Files\Mozilla Firefox\browser" - 3056 "\\.\pipe\gecko-crash-server-pipe.3056" 1864 tabC:\Program Files\Mozilla Firefox\firefox.exefirefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
LOW
Description:
Firefox
Version:
83.0
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\kernel32.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\sechost.dll
c:\windows\system32\msasn1.dll
1788"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3056.20.1537124300\1619605995" -childID 3 -isForBrowser -prefsHandle 3304 -prefMapHandle 3220 -prefsLen 7307 -prefMapSize 238726 -parentBuildID 20201112153044 -appdir "C:\Program Files\Mozilla Firefox\browser" - 3056 "\\.\pipe\gecko-crash-server-pipe.3056" 3496 tabC:\Program Files\Mozilla Firefox\firefox.exefirefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
LOW
Description:
Firefox
Version:
83.0
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\crypt32.dll
c:\windows\system32\sechost.dll
1984"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3056.27.562981375\1013682680" -childID 4 -isForBrowser -prefsHandle 3752 -prefMapHandle 3748 -prefsLen 7646 -prefMapSize 238726 -parentBuildID 20201112153044 -appdir "C:\Program Files\Mozilla Firefox\browser" - 3056 "\\.\pipe\gecko-crash-server-pipe.3056" 3792 tabC:\Program Files\Mozilla Firefox\firefox.exefirefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
LOW
Description:
Firefox
Version:
83.0
Modules
Images
c:\windows\system32\ntdll.dll
c:\program files\mozilla firefox\firefox.exe
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\crypt32.dll
2676"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3056.28.1508480440\331848997" -childID 5 -isForBrowser -prefsHandle 3764 -prefMapHandle 3760 -prefsLen 7646 -prefMapSize 238726 -parentBuildID 20201112153044 -appdir "C:\Program Files\Mozilla Firefox\browser" - 3056 "\\.\pipe\gecko-crash-server-pipe.3056" 3812 tabC:\Program Files\Mozilla Firefox\firefox.exefirefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
LOW
Description:
Firefox
Exit code:
0
Version:
83.0
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\windows\system32\kernel32.dll
c:\windows\system32\ntdll.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\sechost.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\crypt32.dll
3212"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3056.29.518101688\1525020143" -childID 6 -isForBrowser -prefsHandle 3780 -prefMapHandle 3776 -prefsLen 7646 -prefMapSize 238726 -parentBuildID 20201112153044 -appdir "C:\Program Files\Mozilla Firefox\browser" - 3056 "\\.\pipe\gecko-crash-server-pipe.3056" 3916 tabC:\Program Files\Mozilla Firefox\firefox.exefirefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
LOW
Description:
Firefox
Exit code:
0
Version:
83.0
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\msasn1.dll
Total events
10 991
Read events
10 967
Write events
24
Delete events
0

Modification events

(PID) Process:(600) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Launcher
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe|Launcher
Value:
337E4E6C64000000
(PID) Process:(3056) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Launcher
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe|Browser
Value:
13894E6C64000000
(PID) Process:(3056) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Launcher
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe|Telemetry
Value:
0
(PID) Process:(3056) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\DllPrefetchExperiment
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe
Value:
0
(PID) Process:(3056) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Default Browser Agent
Operation:writeName:C:\Program Files\Mozilla Firefox|DisableTelemetry
Value:
1
(PID) Process:(3056) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Default Browser Agent
Operation:writeName:C:\Program Files\Mozilla Firefox|DisableDefaultBrowserAgent
Value:
0
(PID) Process:(3056) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Default Browser Agent
Operation:writeName:C:\Program Files\Mozilla Firefox|ServicesSettingsServer
Value:
https://firefox.settings.services.mozilla.com/v1
(PID) Process:(3056) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Default Browser Agent
Operation:writeName:C:\Program Files\Mozilla Firefox|SecurityContentSignatureRootHash
Value:
97:E8:BA:9C:F1:2F:B3:DE:53:CC:42:A4:E6:57:7E:D6:4D:F4:93:C2:47:B4:14:FE:A0:36:81:8D:38:23:56:0E
(PID) Process:(3056) firefox.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
Operation:writeName:ProxyEnable
Value:
0
(PID) Process:(3056) firefox.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections
Operation:writeName:SavedLegacySettings
Value:
460000003B010000090000000000000000000000000000000400000000000000C0E333BBEAB1D3010000000000000000000000000100000002000000C0A80164000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
Executable files
0
Suspicious files
95
Text files
34
Unknown types
25

Dropped files

PID
Process
Filename
Type
3056firefox.exeC:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\startupCache\scriptCache-current.bin
MD5:
SHA256:
3056firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite-shmbinary
MD5:B7C14EC6110FA820CA6B65F5AEC85911
SHA256:FD4C9FDA9CD3F9AE7C962B0DDF37232294D55580E1AA165AA06129B8549389EB
3056firefox.exeC:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\startupCache\urlCache-current.binbinary
MD5:994A33896BB41A278A315D0D796422B6
SHA256:54EC50A20FFF8CC016710E49437CF6A11D3FE5EE7B28C185E4A9AAFEE2908B63
3056firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite
MD5:
SHA256:
3056firefox.exeC:\Users\admin\AppData\Local\Temp\mz_etilqs_Qsg2LQoLyhVhx6Ebinary
MD5:3E850B125F1E179CF32CD00B3631165E
SHA256:171D228D026D7FB0B8AF8CEFB2F5E4AF3FE50B81818FFFE9F5071AD0BA80966C
3056firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\sessionstore-backups\recovery.jsonlz4.tmpjsonlz4
MD5:1FD3E839A72458D9BBD3D0C60A917F15
SHA256:99972C9E8B0023F60CA8B3A85A0B3CDA0B0BDD409A39D8E7E8CF0F442B0E6863
3056firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\cookies.sqlite-shmbinary
MD5:B7C14EC6110FA820CA6B65F5AEC85911
SHA256:FD4C9FDA9CD3F9AE7C962B0DDF37232294D55580E1AA165AA06129B8549389EB
3056firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\2918063365piupsah.sqlite-shmbinary
MD5:B7C14EC6110FA820CA6B65F5AEC85911
SHA256:FD4C9FDA9CD3F9AE7C962B0DDF37232294D55580E1AA165AA06129B8549389EB
3056firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\sessionCheckpoints.jsonbinary
MD5:EA8B62857DFDBD3D0BE7D7E4A954EC9A
SHA256:792955295AE9C382986222C6731C5870BD0E921E7F7E34CC4615F5CD67F225DA
3056firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\sessionstore-backups\recovery.jsonlz4jsonlz4
MD5:1FD3E839A72458D9BBD3D0C60A917F15
SHA256:99972C9E8B0023F60CA8B3A85A0B3CDA0B0BDD409A39D8E7E8CF0F442B0E6863
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
27
TCP/UDP connections
142
DNS requests
260
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3056
firefox.exe
POST
200
13.225.84.107:80
http://ocsp.sca1b.amazontrust.com/
US
der
471 b
whitelisted
3056
firefox.exe
POST
200
93.184.220.29:80
http://ocsp.digicert.com/
US
der
471 b
whitelisted
3056
firefox.exe
GET
200
34.107.221.82:80
http://detectportal.firefox.com/success.txt
US
text
8 b
whitelisted
3056
firefox.exe
POST
200
93.184.220.29:80
http://ocsp.digicert.com/
US
der
471 b
whitelisted
3056
firefox.exe
POST
200
142.250.185.99:80
http://ocsp.pki.goog/gts1c3
US
der
472 b
whitelisted
3056
firefox.exe
POST
200
184.24.77.54:80
http://r3.o.lencr.org/
US
der
503 b
shared
3056
firefox.exe
POST
200
142.250.185.99:80
http://ocsp.pki.goog/gts1c3
US
der
471 b
whitelisted
3056
firefox.exe
POST
200
142.250.185.99:80
http://ocsp.pki.goog/gts1c3
US
der
471 b
whitelisted
3056
firefox.exe
POST
200
13.225.84.107:80
http://ocsp.sca1b.amazontrust.com/
US
der
471 b
whitelisted
3056
firefox.exe
POST
200
142.250.185.99:80
http://ocsp.pki.goog/gts1c3
US
der
472 b
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
3056
firefox.exe
34.107.221.82:80
detectportal.firefox.com
GOOGLE
US
whitelisted
3056
firefox.exe
93.184.220.29:80
ocsp.digicert.com
EDGECAST
GB
whitelisted
3056
firefox.exe
52.54.164.146:443
pdf.ac
AMAZON-AES
US
unknown
3056
firefox.exe
142.250.74.202:443
safebrowsing.googleapis.com
GOOGLE
US
whitelisted
3056
firefox.exe
13.224.189.71:443
firefox.settings.services.mozilla.com
AMAZON-02
US
unknown
3056
firefox.exe
52.35.17.16:443
location.services.mozilla.com
AMAZON-02
US
unknown
3056
firefox.exe
13.225.84.104:80
ocsp.sca1b.amazontrust.com
AMAZON-02
US
whitelisted
3056
firefox.exe
44.238.3.246:443
push.services.mozilla.com
AMAZON-02
US
unknown
3056
firefox.exe
142.250.185.99:80
ocsp.pki.goog
GOOGLE
US
whitelisted
3056
firefox.exe
13.225.84.107:80
ocsp.sca1b.amazontrust.com
AMAZON-02
US
whitelisted

DNS requests

Domain
IP
Reputation
detectportal.firefox.com
  • 34.107.221.82
whitelisted
pdf.ac
  • 52.54.164.146
  • 3.217.145.88
  • 34.236.101.145
unknown
prod.detectportal.prod.cloudops.mozgcp.net
  • 34.107.221.82
  • 2600:1901:0:38d7::
whitelisted
firefox.settings.services.mozilla.com
  • 13.224.189.71
  • 13.224.189.85
  • 13.224.189.76
  • 13.224.189.54
whitelisted
location.services.mozilla.com
  • 52.35.17.16
  • 35.161.134.0
  • 52.41.132.37
  • 54.184.13.11
  • 35.163.138.146
  • 52.40.138.9
whitelisted
locprod2-elb-us-west-2.prod.mozaws.net
  • 52.40.138.9
  • 35.163.138.146
  • 54.184.13.11
  • 52.41.132.37
  • 35.161.134.0
  • 52.35.17.16
whitelisted
ocsp.sca1b.amazontrust.com
  • 13.225.84.104
  • 13.225.84.88
  • 13.225.84.107
  • 13.225.84.142
whitelisted
ocsp.digicert.com
  • 93.184.220.29
whitelisted
cs9.wac.phicdn.net
  • 93.184.220.29
whitelisted
safebrowsing.googleapis.com
  • 142.250.74.202
  • 2a00:1450:4001:831::200a
  • 142.250.186.170
whitelisted

Threats

PID
Process
Class
Message
3056
firefox.exe
Potentially Bad Traffic
ET INFO Terse Request for .txt - Likely Hostile
3056
firefox.exe
Potentially Bad Traffic
ET INFO Terse Request for .txt - Likely Hostile
Potentially Bad Traffic
ET INFO Observed DNS Query to .cloud TLD
Potentially Bad Traffic
ET INFO Observed DNS Query to .cloud TLD
Potentially Bad Traffic
ET INFO Observed DNS Query to .cloud TLD
Potentially Bad Traffic
ET INFO Observed DNS Query to .cloud TLD
3056
firefox.exe
Potentially Bad Traffic
ET INFO Terse Request for .txt - Likely Hostile
3056
firefox.exe
Potentially Bad Traffic
ET INFO Terse Request for .txt - Likely Hostile
No debug info