URL:

https://exchange.kueezrtb.com/prebid/multi/631db95bb8649921edfc7250

Full analysis: https://app.any.run/tasks/0d0fb55e-d43b-46f5-a93d-c5820db02cb1
Verdict: Malicious activity
Analysis date: March 26, 2023, 22:54:37
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MD5:

30617416DE52C836EB01BC845FAEE179

SHA1:

51BBCF59F345F73386345BE4BD1A45241110A45A

SHA256:

03736BD61B6B9E14D819C8657F2AF18DF583AA88954D5A7FF0345298F0956753

SSDEEP:

3:N8kLCApfBWKVXWkIWUBamZBDFAVn:2CCaJAgmZTw

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: 952)
      • firefox.exe (PID: 2424)

    • Executable content was dropped or overwritten

      • firefox.exe (PID: 2424)

    • Create files in a temporary directory

      • firefox.exe (PID: 2424)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.
No data.
screenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
41
Monitored processes
7
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

Process information

PID
CMD
Path
Indicators
Parent process
952"C:\Program Files\Mozilla Firefox\firefox.exe" "https://exchange.kueezrtb.com/prebid/multi/631db95bb8649921edfc7250"C:\Program Files\Mozilla Firefox\firefox.exe—explorer.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\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\ntdll.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\version.dll
c:\windows\system32\dbghelp.dll
2424"C:\Program Files\Mozilla Firefox\firefox.exe" https://exchange.kueezrtb.com/prebid/multi/631db95bb8649921edfc7250C:\Program Files\Mozilla Firefox\firefox.exe
firefox.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\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\sechost.dll
c:\windows\system32\crypt32.dll
2572"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2424.27.414041314\609304507" -childID 4 -isForBrowser -prefsHandle 2356 -prefMapHandle 2424 -prefsLen 7378 -prefMapSize 238726 -parentBuildID 20201112153044 -appdir "C:\Program Files\Mozilla Firefox\browser" - 2424 "\\.\pipe\gecko-crash-server-pipe.2424" 2296 tabC:\Program Files\Mozilla Firefox\firefox.exe—firefox.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\kernelbase.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\sechost.dll
c:\windows\system32\crypt32.dll
c:\windows\system32\msasn1.dll
2944"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2424.20.203513698\1394383752" -childID 3 -isForBrowser -prefsHandle 2236 -prefMapHandle 2304 -prefsLen 6644 -prefMapSize 238726 -parentBuildID 20201112153044 -appdir "C:\Program Files\Mozilla Firefox\browser" - 2424 "\\.\pipe\gecko-crash-server-pipe.2424" 2176 tabC:\Program Files\Mozilla Firefox\firefox.exe—firefox.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\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\crypt32.dll
3156"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2424.6.403564493\587159539" -childID 1 -isForBrowser -prefsHandle 4464 -prefMapHandle 4460 -prefsLen 181 -prefMapSize 238726 -parentBuildID 20201112153044 -appdir "C:\Program Files\Mozilla Firefox\browser" - 2424 "\\.\pipe\gecko-crash-server-pipe.2424" 4476 tabC:\Program Files\Mozilla Firefox\firefox.exe—firefox.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\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\version.dll
3596"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2424.13.110590532\1631693980" -childID 2 -isForBrowser -prefsHandle 2160 -prefMapHandle 4304 -prefsLen 6644 -prefMapSize 238726 -parentBuildID 20201112153044 -appdir "C:\Program Files\Mozilla Firefox\browser" - 2424 "\\.\pipe\gecko-crash-server-pipe.2424" 2140 tabC:\Program Files\Mozilla Firefox\firefox.exe—firefox.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\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\crypt32.dll
3760"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2424.0.1699899135\591134692" -parentBuildID 20201112153044 -prefsHandle 1112 -prefMapHandle 1104 -prefsLen 1 -prefMapSize 238726 -appdir "C:\Program Files\Mozilla Firefox\browser" - 2424 "\\.\pipe\gecko-crash-server-pipe.2424" 1184 gpuC:\Program Files\Mozilla Firefox\firefox.exe—firefox.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\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
Total events
17 020
Read events
16 972
Write events
48
Delete events
0

Modification events

(PID) Process:(952) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Launcher
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe|Launcher
Value:
09611C1E1E000000
(PID) Process:(2424) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Launcher
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe|Browser
Value:
AD681C1E1E000000
(PID) Process:(2424) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Launcher
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe|Telemetry
Value:
0
(PID) Process:(2424) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\DllPrefetchExperiment
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe
Value:
0
(PID) Process:(2424) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Default Browser Agent
Operation:writeName:C:\Program Files\Mozilla Firefox|DisableTelemetry
Value:
1
(PID) Process:(2424) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Default Browser Agent
Operation:writeName:C:\Program Files\Mozilla Firefox|DisableDefaultBrowserAgent
Value:
0
(PID) Process:(2424) 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:(2424) 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:(2424) firefox.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
Operation:writeName:ProxyEnable
Value:
0
(PID) Process:(2424) firefox.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections
Operation:writeName:SavedLegacySettings
Value:
460000003D010000090000000000000000000000000000000400000000000000C0E333BBEAB1D3010000000000000000000000000100000002000000C0A80164000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
Executable files
8
Suspicious files
164
Text files
104
Unknown types
46

Dropped files

PID
Process
Filename
Type
2424firefox.exeC:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\startupCache\scriptCache-current.bin —
MD5:—
SHA256:—
2424firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite —
MD5:—
SHA256:—
2424firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite-walbinary
MD5:—
SHA256:—
2424firefox.exeC:\Users\admin\AppData\Local\Temp\mz_etilqs_JkZ5bjbmUa4w1vIbinary
MD5:—
SHA256:—
2424firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\cookies.sqlite-shmbinary
MD5:B7C14EC6110FA820CA6B65F5AEC85911
SHA256:FD4C9FDA9CD3F9AE7C962B0DDF37232294D55580E1AA165AA06129B8549389EB
2424firefox.exeC:\Users\admin\AppData\Local\Temp\mz_etilqs_31ihgpWxbH4SCbcmpg
MD5:—
SHA256:—
2424firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\prefs.jstext
MD5:299A2B747C11E4BDA194E563FEA4A699
SHA256:94EE461F62E8B4A0A65471A41E10C8C56722B73C0A019D76ACA7F5BAF109813E
2424firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite-shmbinary
MD5:B7C14EC6110FA820CA6B65F5AEC85911
SHA256:FD4C9FDA9CD3F9AE7C962B0DDF37232294D55580E1AA165AA06129B8549389EB
2424firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\prefs-1.jstext
MD5:299A2B747C11E4BDA194E563FEA4A699
SHA256:94EE461F62E8B4A0A65471A41E10C8C56722B73C0A019D76ACA7F5BAF109813E
2424firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\sessionCheckpoints.jsonbinary
MD5:EA8B62857DFDBD3D0BE7D7E4A954EC9A
SHA256:792955295AE9C382986222C6731C5870BD0E921E7F7E34CC4615F5CD67F225DA
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
17
TCP/UDP connections
35
DNS requests
92
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
2424
firefox.exe
POST
200
172.64.155.188:80
http://ocsp.sectigo.com/
US
der
472 b
whitelisted
2424
firefox.exe
GET
200
34.107.221.82:80
http://detectportal.firefox.com/success.txt?ipv4
US
text
8 b
whitelisted
2424
firefox.exe
GET
200
2.16.106.208:80
http://ciscobinary.openh264.org/openh264-win32-2e1774ab6dc6c43debb0b5b628bdf122a391d521.zip
unknown
compressed
479 Kb
whitelisted
2424
firefox.exe
POST
200
192.229.221.95:80
http://ocsp.digicert.com/
US
der
471 b
whitelisted
2424
firefox.exe
POST
200
95.101.54.131:80
http://r3.o.lencr.org/
DE
der
503 b
shared
2424
firefox.exe
POST
200
142.250.185.99:80
http://ocsp.pki.goog/gts1c3
US
der
471 b
whitelisted
2424
firefox.exe
POST
200
142.250.185.99:80
http://ocsp.pki.goog/gts1c3
US
der
471 b
whitelisted
2424
firefox.exe
GET
200
34.107.221.82:80
http://detectportal.firefox.com/success.txt
US
text
8 b
whitelisted
2424
firefox.exe
POST
200
192.229.221.95:80
http://ocsp.digicert.com/
US
der
471 b
whitelisted
2424
firefox.exe
POST
200
95.101.54.131:80
http://r3.o.lencr.org/
DE
der
503 b
shared
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
2424
firefox.exe
35.241.9.150:443
firefox.settings.services.mozilla.com
GOOGLE
US
suspicious
2424
firefox.exe
172.64.155.188:80
ocsp.sectigo.com
CLOUDFLARENET
US
suspicious
2424
firefox.exe
95.101.54.131:80
r3.o.lencr.org
Akamai International B.V.
DE
suspicious
2424
firefox.exe
34.160.144.191:443
content-signature-2.cdn.mozilla.net
GOOGLE
US
suspicious
2424
firefox.exe
192.229.221.95:80
ocsp.digicert.com
EDGECAST
US
whitelisted
2424
firefox.exe
142.250.184.202:443
safebrowsing.googleapis.com
GOOGLE
US
whitelisted
2424
firefox.exe
13.32.121.85:443
snippets.cdn.mozilla.net
AMAZON-02
US
suspicious
2424
firefox.exe
142.250.185.99:80
ocsp.pki.goog
GOOGLE
US
whitelisted
2424
firefox.exe
35.244.181.201:443
aus5.mozilla.org
GOOGLE
US
suspicious
2424
firefox.exe
172.217.18.14:443
www.youtube.com
GOOGLE
US
whitelisted

DNS requests

Domain
IP
Reputation
detectportal.firefox.com
  • 34.107.221.82
whitelisted
prod.detectportal.prod.cloudops.mozgcp.net
  • 34.107.221.82
  • 2600:1901:0:38d7::
whitelisted
exchange.kueezrtb.com
  • 143.198.4.149
  • 104.236.2.142
unknown
firefox.settings.services.mozilla.com
  • 35.241.9.150
whitelisted
h5j0gnilb.puzztake.com
  • 104.236.2.142
  • 143.198.4.149
unknown
location.services.mozilla.com
  • 54.187.233.68
  • 52.38.245.94
  • 52.40.44.47
  • 35.163.228.38
  • 35.165.145.80
  • 54.201.143.187
whitelisted
r3.o.lencr.org
  • 95.101.54.131
  • 2.16.202.121
shared
a1887.dscq.akamai.net
  • 2.16.202.121
  • 95.101.54.131
  • 2a02:26f0:780::5f65:3683
  • 2a02:26f0:780::210:ca79
  • 2a02:26f0:480:e::210:f10c
  • 2a02:26f0:480:e::210:f108
whitelisted
ocsp.sectigo.com
  • 172.64.155.188
  • 104.18.32.68
whitelisted
ocsp.comodoca.com.cdn.cloudflare.net
  • 104.18.32.68
  • 172.64.155.188
  • 2606:4700:4400::6812:2044
  • 2606:4700:4400::ac40:9bbc
whitelisted

Threats

No threats detected
No debug info
Interactive malware hunting service ANY.RUN
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Reports
https://exchange.kueezrtb.com/prebid/multi/631db95bb8649921edfc7250