URL:

http://download.windowsupdate.com

Full analysis: https://app.any.run/tasks/3b46975f-19fd-4280-870f-fbff691bd9f3
Verdict: Malicious activity
Analysis date: January 20, 2022, 23:49:34
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MD5:

4FD2E8BA4685A966D9DC29178A5DEA12

SHA1:

2193092418C0DCD1EE58A377AD5E9CF61F0022A7

SHA256:

516D6B96C7A9189715AB08A779BD3446403AF3B22F4E6EEB1840859B3D96E9EF

SSDEEP:

3:N1KaKEld9r4EI:Ca5d9M

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

    • Checks supported languages

      • firefox.exe (PID: 1988)
      • firefox.exe (PID: 2092)
      • firefox.exe (PID: 3636)
      • firefox.exe (PID: 3032)
      • firefox.exe (PID: 2472)
      • firefox.exe (PID: 1400)
      • firefox.exe (PID: 3936)
      • firefox.exe (PID: 868)

    • Application launched itself

      • firefox.exe (PID: 1988)
      • firefox.exe (PID: 3636)

    • Creates files in the user directory

      • firefox.exe (PID: 3636)

    • Reads the computer name

      • firefox.exe (PID: 2472)
      • firefox.exe (PID: 3636)
      • firefox.exe (PID: 2092)
      • firefox.exe (PID: 3032)
      • firefox.exe (PID: 3936)
      • firefox.exe (PID: 868)
      • firefox.exe (PID: 1400)

    • Reads CPU info

      • firefox.exe (PID: 3636)

    • Creates files in the program directory

      • firefox.exe (PID: 3636)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
42
Monitored processes
8
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

Process information

PID
CMD
Path
Indicators
Parent process
868"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3636.21.1506766814\50792306" -childID 4 -isForBrowser -prefsHandle 3656 -prefMapHandle 3652 -prefsLen 7378 -prefMapSize 238726 -parentBuildID 20201112153044 -appdir "C:\Program Files\Mozilla Firefox\browser" - 3636 "\\.\pipe\gecko-crash-server-pipe.3636" 3668 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
1400"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3636.34.873109057\1737871671" -childID 5 -isForBrowser -prefsHandle 3884 -prefMapHandle 3880 -prefsLen 7378 -prefMapSize 238726 -parentBuildID 20201112153044 -appdir "C:\Program Files\Mozilla Firefox\browser" - 3636 "\\.\pipe\gecko-crash-server-pipe.3636" 3896 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
1988"C:\Program Files\Mozilla Firefox\firefox.exe" "http://download.windowsupdate.com"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\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
2092"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3636.0.443857735\43030231" -parentBuildID 20201112153044 -prefsHandle 1132 -prefMapHandle 1124 -prefsLen 1 -prefMapSize 238726 -appdir "C:\Program Files\Mozilla Firefox\browser" - 3636 "\\.\pipe\gecko-crash-server-pipe.3636" 1240 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\msasn1.dll
c:\windows\system32\rpcrt4.dll
2472"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3636.6.615649062\1505960409" -childID 1 -isForBrowser -prefsHandle 2244 -prefMapHandle 2240 -prefsLen 181 -prefMapSize 238726 -parentBuildID 20201112153044 -appdir "C:\Program Files\Mozilla Firefox\browser" - 3636 "\\.\pipe\gecko-crash-server-pipe.3636" 2256 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
3032"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3636.13.1963946924\937468423" -childID 2 -isForBrowser -prefsHandle 3156 -prefMapHandle 3152 -prefsLen 6644 -prefMapSize 238726 -parentBuildID 20201112153044 -appdir "C:\Program Files\Mozilla Firefox\browser" - 3636 "\\.\pipe\gecko-crash-server-pipe.3636" 3172 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:\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
3636"C:\Program Files\Mozilla Firefox\firefox.exe" http://download.windowsupdate.comC:\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\sechost.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\msasn1.dll
3936"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3636.20.1275044130\155015732" -childID 3 -isForBrowser -prefsHandle 3620 -prefMapHandle 3616 -prefsLen 7378 -prefMapSize 238726 -parentBuildID 20201112153044 -appdir "C:\Program Files\Mozilla Firefox\browser" - 3636 "\\.\pipe\gecko-crash-server-pipe.3636" 3636 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\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\msasn1.dll
Total events
8 181
Read events
8 157
Write events
24
Delete events
0

Modification events

(PID) Process:(1988) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Launcher
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe|Launcher
Value:
B240DDD467010000
(PID) Process:(3636) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Launcher
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe|Browser
Value:
A448DDD467010000
(PID) Process:(3636) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Launcher
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe|Telemetry
Value:
0
(PID) Process:(3636) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\DllPrefetchExperiment
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe
Value:
0
(PID) Process:(3636) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Default Browser Agent
Operation:writeName:C:\Program Files\Mozilla Firefox|DisableTelemetry
Value:
1
(PID) Process:(3636) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Default Browser Agent
Operation:writeName:C:\Program Files\Mozilla Firefox|DisableDefaultBrowserAgent
Value:
0
(PID) Process:(3636) 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:(3636) 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:(3636) firefox.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
Operation:writeName:ProxyEnable
Value:
0
(PID) Process:(3636) firefox.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections
Operation:writeName:SavedLegacySettings
Value:
460000003B010000090000000000000000000000000000000400000000000000C0E333BBEAB1D3010000000000000000000000000100000002000000C0A80164000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
Executable files
0
Suspicious files
101
Text files
28
Unknown types
17

Dropped files

PID
Process
Filename
Type
3636firefox.exeC:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\startupCache\scriptCache-current.bin —
MD5:—
SHA256:—
3636firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite —
MD5:—
SHA256:—
3636firefox.exeC:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\startupCache\urlCache-current.binbinary
MD5:994A33896BB41A278A315D0D796422B6
SHA256:54EC50A20FFF8CC016710E49437CF6A11D3FE5EE7B28C185E4A9AAFEE2908B63
3636firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\places.sqlite —
MD5:—
SHA256:—
3636firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite-walbinary
MD5:—
SHA256:—
3636firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\places.sqlite-walsqlite-wal
MD5:—
SHA256:—
3636firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\protections.sqlite-journalbinary
MD5:—
SHA256:—
3636firefox.exeC:\Users\admin\AppData\Local\Temp\mz_etilqs_q2FmfWkrTHFSkr0binary
MD5:—
SHA256:—
3636firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite-shmbinary
MD5:B7C14EC6110FA820CA6B65F5AEC85911
SHA256:FD4C9FDA9CD3F9AE7C962B0DDF37232294D55580E1AA165AA06129B8549389EB
3636firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\prefs-1.jstext
MD5:299A2B747C11E4BDA194E563FEA4A699
SHA256:94EE461F62E8B4A0A65471A41E10C8C56722B73C0A019D76ACA7F5BAF109813E
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
29
TCP/UDP connections
62
DNS requests
80
Threats
4

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3636
firefox.exe
GET
—
13.91.16.69:80
http://fe2.update.microsoft.com/windowsupdate/v6/shared/js/resultslist.js?637783193808871846
US
—
—
whitelisted
3636
firefox.exe
GET
200
13.91.16.69:80
http://fe2.update.microsoft.com/windowsupdate/v6/default.aspx?ln=en
US
html
5.09 Kb
whitelisted
3636
firefox.exe
GET
200
13.91.16.69:80
http://fe2.update.microsoft.com/windowsupdate/v6/thanks.aspx?ln=en&&thankspage=5
US
html
1.87 Kb
whitelisted
3636
firefox.exe
POST
200
142.250.184.195:80
http://ocsp.pki.goog/gts1c3
US
der
472 b
whitelisted
3636
firefox.exe
POST
200
93.184.220.29:80
http://ocsp.digicert.com/
US
der
471 b
whitelisted
3636
firefox.exe
POST
200
93.184.220.29:80
http://ocsp.digicert.com/
US
der
471 b
whitelisted
3636
firefox.exe
GET
200
13.91.16.69:80
http://fe2.update.microsoft.com/windowsupdate/v6/default.aspx
US
html
1.15 Kb
whitelisted
3636
firefox.exe
GET
200
34.107.221.82:80
http://detectportal.firefox.com/success.txt?ipv4
US
text
8 b
whitelisted
3636
firefox.exe
GET
200
2.16.106.233:80
http://download.windowsupdate.com/
unknown
html
402 b
whitelisted
3636
firefox.exe
GET
200
34.107.221.82:80
http://detectportal.firefox.com/success.txt
US
text
8 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
3636
firefox.exe
34.107.221.82:80
detectportal.firefox.com
—
US
whitelisted
3636
firefox.exe
2.16.106.233:80
download.windowsupdate.com
Akamai International B.V.
—
whitelisted
3636
firefox.exe
143.204.215.37:443
firefox.settings.services.mozilla.com
—
US
malicious
3636
firefox.exe
93.184.220.29:80
ocsp.digicert.com
MCI Communications Services, Inc. d/b/a Verizon Business
US
whitelisted
3636
firefox.exe
99.86.3.118:443
content-signature-2.cdn.mozilla.net
AT&T Services, Inc.
US
unknown
3636
firefox.exe
142.250.184.202:443
safebrowsing.googleapis.com
Google Inc.
US
whitelisted
3636
firefox.exe
44.236.152.148:443
push.services.mozilla.com
University of California, San Diego
US
unknown
3636
firefox.exe
142.250.184.195:80
ocsp.pki.goog
Google Inc.
US
whitelisted
3636
firefox.exe
52.185.71.28:80
windowsupdate.microsoft.com
Microsoft Corporation
US
malicious
3636
firefox.exe
52.137.90.34:80
www.update.microsoft.com
Microsoft Corporation
US
malicious

DNS requests

Domain
IP
Reputation
detectportal.firefox.com
  • 34.107.221.82
whitelisted
download.windowsupdate.com
  • 2.16.106.233
  • 2.16.106.171
whitelisted
prod.detectportal.prod.cloudops.mozgcp.net
  • 34.107.221.82
  • 2600:1901:0:38d7::
whitelisted
firefox.settings.services.mozilla.com
  • 143.204.215.37
  • 143.204.215.126
  • 143.204.215.95
  • 143.204.215.75
whitelisted
location.services.mozilla.com
  • 54.187.205.23
  • 52.11.104.45
  • 35.163.137.0
  • 35.163.112.241
  • 52.89.132.147
  • 35.82.27.113
whitelisted
a767.dspw65.akamai.net
  • 2.16.106.171
  • 2.16.106.233
  • 2a02:26f0:64::210:6a68
  • 2a02:26f0:64::210:6a33
malicious
locprod2-elb-us-west-2.prod.mozaws.net
  • 35.82.27.113
  • 52.89.132.147
  • 35.163.112.241
  • 35.163.137.0
  • 52.11.104.45
  • 54.187.205.23
whitelisted
windowsupdate.microsoft.com
  • 52.185.71.28
malicious
example.org
  • 93.184.216.34
whitelisted
ipv4only.arpa
  • 192.0.0.171
  • 192.0.0.170
whitelisted

Threats

PID
Process
Class
Message
—
—
Potentially Bad Traffic
ET INFO Terse Request for .txt - Likely Hostile
—
—
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
No debug info
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Reports
http://download.windowsupdate.com