URL:

http://a.exdynsrv.com

Full analysis: https://app.any.run/tasks/9e533283-29ae-4925-b7fe-d163470b6708
Verdict: Malicious activity
Analysis date: December 12, 2019, 10:17:52
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MD5:

4F23E61E852245F5A382CEFDC15BC585

SHA1:

80CC5DF8D13CC78F42A777DF3FB2C3CD737E1CEC

SHA256:

4ED8312107EE040BCD6B93FF1499030E5DD41D00FF8475CAE51A12E0BE4F2EB3

SSDEEP:

3:N1Kf0DMT:CAMT

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

    • Creates files in the program directory

      • firefox.exe (PID: 2536)

  • INFO

    • Creates files in the user directory

      • firefox.exe (PID: 2536)

    • Application launched itself

      • firefox.exe (PID: 2536)
      • firefox.exe (PID: 2764)

    • Reads CPU info

      • firefox.exe (PID: 2536)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
40
Monitored processes
6
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 firefox.exe firefox.exe

Process information

PID
CMD
Path
Indicators
Parent process
2472"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2536.13.1389795052\815133544" -childID 2 -isForBrowser -prefsHandle 2876 -prefMapHandle 2880 -prefsLen 5996 -prefMapSize 191824 -parentBuildID 20190717172542 -greomni "C:\Program Files\Mozilla Firefox\omni.ja" -appomni "C:\Program Files\Mozilla Firefox\browser\omni.ja" -appdir "C:\Program Files\Mozilla Firefox\browser" - 2536 "\\.\pipe\gecko-crash-server-pipe.2536" 2892 tabC:\Program Files\Mozilla Firefox\firefox.exe
firefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
LOW
Description:
Firefox
Exit code:
0
Version:
68.0.1
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\systemroot\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\dbghelp.dll
2512"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2536.0.43858104\646726711" -parentBuildID 20190717172542 -greomni "C:\Program Files\Mozilla Firefox\omni.ja" -appomni "C:\Program Files\Mozilla Firefox\browser\omni.ja" -appdir "C:\Program Files\Mozilla Firefox\browser" - 2536 "\\.\pipe\gecko-crash-server-pipe.2536" 1136 gpuC:\Program Files\Mozilla Firefox\firefox.exe—firefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
MEDIUM
Description:
Firefox
Exit code:
0
Version:
68.0.1
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\systemroot\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\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\dbghelp.dll
2536"C:\Program Files\Mozilla Firefox\firefox.exe" http://a.exdynsrv.comC:\Program Files\Mozilla Firefox\firefox.exe
firefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
MEDIUM
Description:
Firefox
Exit code:
0
Version:
68.0.1
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\systemroot\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\dbghelp.dll
2764"C:\Program Files\Mozilla Firefox\firefox.exe" "http://a.exdynsrv.com"C:\Program Files\Mozilla Firefox\firefox.exe—explorer.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
MEDIUM
Description:
Firefox
Exit code:
0
Version:
68.0.1
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\systemroot\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\dbghelp.dll
3264"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2536.20.1029015302\1645411085" -childID 3 -isForBrowser -prefsHandle 3724 -prefMapHandle 3704 -prefsLen 7297 -prefMapSize 191824 -parentBuildID 20190717172542 -greomni "C:\Program Files\Mozilla Firefox\omni.ja" -appomni "C:\Program Files\Mozilla Firefox\browser\omni.ja" -appdir "C:\Program Files\Mozilla Firefox\browser" - 2536 "\\.\pipe\gecko-crash-server-pipe.2536" 3736 tabC:\Program Files\Mozilla Firefox\firefox.exe
firefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
LOW
Description:
Firefox
Exit code:
0
Version:
68.0.1
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\systemroot\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\dbghelp.dll
3384"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2536.3.1313555930\489307633" -childID 1 -isForBrowser -prefsHandle 1700 -prefMapHandle 1696 -prefsLen 1 -prefMapSize 191824 -parentBuildID 20190717172542 -greomni "C:\Program Files\Mozilla Firefox\omni.ja" -appomni "C:\Program Files\Mozilla Firefox\browser\omni.ja" -appdir "C:\Program Files\Mozilla Firefox\browser" - 2536 "\\.\pipe\gecko-crash-server-pipe.2536" 1720 tabC:\Program Files\Mozilla Firefox\firefox.exe
firefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
LOW
Description:
Firefox
Exit code:
0
Version:
68.0.1
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\systemroot\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\dbghelp.dll
Total events
216
Read events
211
Write events
5
Delete events
0

Modification events

(PID) Process:(2536) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Launcher
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe|Browser
Value:
8318651703000000
(PID) Process:(2764) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Launcher
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe|Launcher
Value:
F418621703000000
(PID) Process:(2536) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Launcher
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe|Telemetry
Value:
1
(PID) Process:(2536) firefox.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
Operation:writeName:ProxyEnable
Value:
0
(PID) Process:(2536) firefox.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections
Operation:writeName:SavedLegacySettings
Value:
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
Executable files
0
Suspicious files
70
Text files
20
Unknown types
43

Dropped files

PID
Process
Filename
Type
2536firefox.exeC:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\startupCache\scriptCache-current.bin —
MD5:—
SHA256:—
2536firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\prefs-1.js —
MD5:—
SHA256:—
2536firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\sessionCheckpoints.json.tmp —
MD5:—
SHA256:—
2536firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\search.json.mozlz4.tmp —
MD5:—
SHA256:—
2536firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\prefs.jstext
MD5:68E7E0D5909A1201D7295E3CB472C7C1
SHA256:A345F02C54032A4B3B75D7C2CACEEE599BA43083708C6F104F1747E61AF595B2
2536firefox.exeC:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\startupCache\scriptCache-child-current.binbinary
MD5:5027177F513CDAE07DB2330E1DED5934
SHA256:0C53F16051E738287A4612F68E296238087627E594CFD6DDFA1FECC2E998328B
2536firefox.exeC:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\startupCache\urlCache-current.binbinary
MD5:DE9496ACA551ADE408EF6466A11833A1
SHA256:8F9C7FDB3E0BC01024E43A8E242468FC4DD4F74C725E32A883571635203DC10A
2536firefox.exeC:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\safebrowsing-updating\except-flashallow-digest256.sbstore —
MD5:—
SHA256:—
2536firefox.exeC:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\safebrowsing-updating\except-flashsubdoc-digest256.pset —
MD5:—
SHA256:—
2536firefox.exeC:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\safebrowsing-updating\except-flashsubdoc-digest256.sbstore —
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
11
TCP/UDP connections
23
DNS requests
70
Threats
2

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
2536
firefox.exe
GET
200
2.16.186.112:80
http://detectportal.firefox.com/success.txt
unknown
text
8 b
whitelisted
2536
firefox.exe
GET
200
205.185.216.42:80
http://a.exdynsrv.com/
US
—
—
suspicious
2536
firefox.exe
POST
200
93.184.220.29:80
http://ocsp.digicert.com/
US
der
471 b
whitelisted
2536
firefox.exe
GET
404
205.185.216.42:80
http://a.exdynsrv.com/favicon.ico
US
html
107 b
suspicious
2536
firefox.exe
POST
200
172.217.16.195:80
http://ocsp.pki.goog/gts1o1
US
der
471 b
whitelisted
2536
firefox.exe
GET
304
205.185.216.42:80
http://a.exdynsrv.com/
US
—
—
suspicious
2536
firefox.exe
GET
404
64.111.199.222:80
http://syndication.exdynsrv.com/favicon.ico
US
html
167 b
suspicious
2536
firefox.exe
GET
200
64.111.199.222:80
http://syndication.exdynsrv.com/
US
—
—
suspicious
—
—
POST
200
172.217.16.195:80
http://ocsp.pki.goog/gts1o1
US
der
471 b
whitelisted
2536
firefox.exe
POST
200
93.184.220.29:80
http://ocsp.digicert.com/
US
der
471 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
2536
firefox.exe
205.185.216.42:80
a.exdynsrv.com
Highwinds Network Group, Inc.
US
whitelisted
2536
firefox.exe
2.16.186.112:80
detectportal.firefox.com
Akamai International B.V.
—
whitelisted
2536
firefox.exe
52.89.218.39:443
search.services.mozilla.com
Amazon.com, Inc.
US
unknown
2536
firefox.exe
52.39.224.180:443
tiles.services.mozilla.com
Amazon.com, Inc.
US
unknown
2536
firefox.exe
93.184.220.29:80
ocsp.digicert.com
MCI Communications Services, Inc. d/b/a Verizon Business
US
whitelisted
2536
firefox.exe
52.25.156.182:443
push.services.mozilla.com
Amazon.com, Inc.
US
malicious
2536
firefox.exe
172.217.18.170:443
safebrowsing.googleapis.com
Google Inc.
US
whitelisted
2536
firefox.exe
13.225.13.100:443
snippets.cdn.mozilla.net
—
US
unknown
2536
firefox.exe
172.217.16.195:80
ocsp.pki.goog
Google Inc.
US
whitelisted
2536
firefox.exe
13.224.241.99:443
firefox.settings.services.mozilla.com
—
US
unknown

DNS requests

Domain
IP
Reputation
a.exdynsrv.com
  • 205.185.216.42
  • 205.185.216.10
suspicious
detectportal.firefox.com
  • 2.16.186.112
  • 2.16.186.50
whitelisted
cds.i3t2g3k8.hwcdn.net
  • 205.185.216.10
  • 205.185.216.42
malicious
a1089.dscd.akamai.net
  • 2.16.186.50
  • 2.16.186.112
whitelisted
search.services.mozilla.com
  • 52.89.218.39
  • 52.35.182.58
  • 35.164.109.147
whitelisted
search.r53-2.services.mozilla.com
  • 35.164.109.147
  • 52.35.182.58
  • 52.89.218.39
whitelisted
push.services.mozilla.com
  • 52.25.156.182
whitelisted
autopush.prod.mozaws.net
  • 52.25.156.182
whitelisted
snippets.cdn.mozilla.net
  • 13.225.13.100
  • 13.225.13.108
  • 13.225.13.101
  • 13.225.13.63
whitelisted
d228z91au11ukj.cloudfront.net
  • 13.225.13.63
  • 13.225.13.101
  • 13.225.13.108
  • 13.225.13.100
whitelisted

Threats

PID
Process
Class
Message
1080
svchost.exe
Potentially Bad Traffic
ET INFO Observed DNS Query to .cloud TLD
1080
svchost.exe
Potentially Bad Traffic
ET INFO Observed DNS Query to .cloud TLD
No debug info
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Reports
http://a.exdynsrv.com