URL:

http://www.duba.com/?un_361586_142560"%20/f%20>nul%202>nul

Full analysis: https://app.any.run/tasks/a78cb232-e3d4-4d69-ab27-843d5e94067c
Verdict: Malicious activity
Analysis date: May 13, 2024, 03:25:57
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MD5:

C400D29F89AAC843EDAE531980C7383D

SHA1:

01496B34D01B655DAF20B583DA6DB694B5D787BE

SHA256:

C0922D4DBC9947F4DF82C6CFC96B9738645FD82BCC644010681A744AFC750B35

SSDEEP:

3:N1KJS4xolUSURA5An60c:Cc4mlQGA60c

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

    • Reads the computer name

      • wmpnscfg.exe (PID: 2368)
    • Checks supported languages

      • wmpnscfg.exe (PID: 2368)
    • Manual execution by a user

      • wmpnscfg.exe (PID: 2368)
    • Connects to unusual port

      • chrome.exe (PID: 748)
    • Application launched itself

      • chrome.exe (PID: 3988)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
62
Monitored processes
29
Malicious processes
0
Suspicious processes
0

Behavior graph

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

Process information

PID
CMD
Path
Indicators
Parent process
308"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2008 --field-trial-handle=1124,i,9399700953726788011,4656143776798769722,131072 --disable-features=OptimizationGuideModelDownloading,OptimizationHints,OptimizationHintsFetching,OptimizationTargetPrediction /prefetch:1C:\Program Files\Google\Chrome\Application\chrome.exechrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
LOW
Description:
Google Chrome
Version:
109.0.5414.120
Modules
Images
c:\program files\google\chrome\application\chrome.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\google\chrome\application\109.0.5414.120\chrome_elf.dll
c:\windows\system32\version.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\api-ms-win-core-synch-l1-2-0.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
312"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2028 --field-trial-handle=1124,i,9399700953726788011,4656143776798769722,131072 --disable-features=OptimizationGuideModelDownloading,OptimizationHints,OptimizationHintsFetching,OptimizationTargetPrediction /prefetch:1C:\Program Files\Google\Chrome\Application\chrome.exechrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
LOW
Description:
Google Chrome
Exit code:
0
Version:
109.0.5414.120
Modules
Images
c:\program files\google\chrome\application\chrome.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\google\chrome\application\109.0.5414.120\chrome_elf.dll
c:\windows\system32\version.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\api-ms-win-core-synch-l1-2-0.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
316"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=24 --mojo-platform-channel-handle=5136 --field-trial-handle=1124,i,9399700953726788011,4656143776798769722,131072 --disable-features=OptimizationGuideModelDownloading,OptimizationHints,OptimizationHintsFetching,OptimizationTargetPrediction /prefetch:1C:\Program Files\Google\Chrome\Application\chrome.exechrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
LOW
Description:
Google Chrome
Exit code:
0
Version:
109.0.5414.120
Modules
Images
c:\program files\google\chrome\application\chrome.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\google\chrome\application\109.0.5414.120\chrome_elf.dll
c:\windows\system32\version.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\api-ms-win-core-synch-l1-2-0.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
524"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=25 --mojo-platform-channel-handle=5364 --field-trial-handle=1124,i,9399700953726788011,4656143776798769722,131072 --disable-features=OptimizationGuideModelDownloading,OptimizationHints,OptimizationHintsFetching,OptimizationTargetPrediction /prefetch:1C:\Program Files\Google\Chrome\Application\chrome.exechrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
LOW
Description:
Google Chrome
Version:
109.0.5414.120
Modules
Images
c:\program files\google\chrome\application\chrome.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\google\chrome\application\109.0.5414.120\chrome_elf.dll
c:\windows\system32\version.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\api-ms-win-core-synch-l1-2-0.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
748"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --disable-quic --mojo-platform-channel-handle=1280 --field-trial-handle=1124,i,9399700953726788011,4656143776798769722,131072 --disable-features=OptimizationGuideModelDownloading,OptimizationHints,OptimizationHintsFetching,OptimizationTargetPrediction /prefetch:8C:\Program Files\Google\Chrome\Application\chrome.exe
chrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
MEDIUM
Description:
Google Chrome
Version:
109.0.5414.120
Modules
Images
c:\program files\google\chrome\application\chrome.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\google\chrome\application\109.0.5414.120\chrome_elf.dll
c:\windows\system32\version.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\api-ms-win-core-synch-l1-2-0.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
1032"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=audio.mojom.AudioService --lang=en-US --service-sandbox-type=audio --disable-quic --mojo-platform-channel-handle=4052 --field-trial-handle=1124,i,9399700953726788011,4656143776798769722,131072 --disable-features=OptimizationGuideModelDownloading,OptimizationHints,OptimizationHintsFetching,OptimizationTargetPrediction /prefetch:8C:\Program Files\Google\Chrome\Application\chrome.exechrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
LOW
Description:
Google Chrome
Version:
109.0.5414.120
Modules
Images
c:\program files\google\chrome\application\chrome.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\google\chrome\application\109.0.5414.120\chrome_elf.dll
c:\windows\system32\version.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\api-ms-win-core-synch-l1-2-0.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
1116"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgACAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1152 --field-trial-handle=1124,i,9399700953726788011,4656143776798769722,131072 --disable-features=OptimizationGuideModelDownloading,OptimizationHints,OptimizationHintsFetching,OptimizationTargetPrediction /prefetch:2C:\Program Files\Google\Chrome\Application\chrome.exechrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
LOW
Description:
Google Chrome
Exit code:
0
Version:
109.0.5414.120
Modules
Images
c:\program files\google\chrome\application\chrome.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\google\chrome\application\109.0.5414.120\chrome_elf.dll
c:\windows\system32\version.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\api-ms-win-core-synch-l1-2-0.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
1128"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=13 --mojo-platform-channel-handle=3664 --field-trial-handle=1124,i,9399700953726788011,4656143776798769722,131072 --disable-features=OptimizationGuideModelDownloading,OptimizationHints,OptimizationHintsFetching,OptimizationTargetPrediction /prefetch:1C:\Program Files\Google\Chrome\Application\chrome.exechrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
LOW
Description:
Google Chrome
Version:
109.0.5414.120
Modules
Images
c:\program files\google\chrome\application\chrome.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\google\chrome\application\109.0.5414.120\chrome_elf.dll
c:\windows\system32\version.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\api-ms-win-core-synch-l1-2-0.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
1240"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=15 --mojo-platform-channel-handle=3920 --field-trial-handle=1124,i,9399700953726788011,4656143776798769722,131072 --disable-features=OptimizationGuideModelDownloading,OptimizationHints,OptimizationHintsFetching,OptimizationTargetPrediction /prefetch:1C:\Program Files\Google\Chrome\Application\chrome.exechrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
LOW
Description:
Google Chrome
Version:
109.0.5414.120
Modules
Images
c:\program files\google\chrome\application\chrome.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\google\chrome\application\109.0.5414.120\chrome_elf.dll
c:\windows\system32\version.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\api-ms-win-core-synch-l1-2-0.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
1644"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=17 --mojo-platform-channel-handle=4088 --field-trial-handle=1124,i,9399700953726788011,4656143776798769722,131072 --disable-features=OptimizationGuideModelDownloading,OptimizationHints,OptimizationHintsFetching,OptimizationTargetPrediction /prefetch:1C:\Program Files\Google\Chrome\Application\chrome.exechrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
LOW
Description:
Google Chrome
Version:
109.0.5414.120
Modules
Images
c:\program files\google\chrome\application\chrome.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\google\chrome\application\109.0.5414.120\chrome_elf.dll
c:\windows\system32\version.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\api-ms-win-core-synch-l1-2-0.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
Total events
4 786
Read events
4 696
Write events
90
Delete events
0

Modification events

(PID) Process:(3988) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome\BLBeacon
Operation:writeName:failed_count
Value:
0
(PID) Process:(3988) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome\BLBeacon
Operation:writeName:state
Value:
2
(PID) Process:(3988) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome\ThirdParty
Operation:writeName:StatusCodes
Value:
(PID) Process:(3988) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome\ThirdParty
Operation:writeName:StatusCodes
Value:
01000000
(PID) Process:(3988) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome\BLBeacon
Operation:writeName:state
Value:
1
(PID) Process:(3988) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Update\ClientState\{8A69D345-D564-463c-AFF1-A69D9E530F96}
Operation:writeName:dr
Value:
1
(PID) Process:(3988) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome\StabilityMetrics
Operation:writeName:user_experience_metrics.stability.exited_cleanly
Value:
0
(PID) Process:(3988) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome
Operation:writeName:UsageStatsInSample
Value:
0
(PID) Process:(3988) chrome.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Google\Update\ClientStateMedium\{8A69D345-D564-463C-AFF1-A69D9E530F96}
Operation:writeName:usagestats
Value:
0
(PID) Process:(3988) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Update\ClientState\{8A69D345-D564-463c-AFF1-A69D9E530F96}
Operation:writeName:metricsid
Value:
Executable files
0
Suspicious files
60
Text files
25
Unknown types
2

Dropped files

PID
Process
Filename
Type
3988chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\commerce_subscription_db\LOG.old~RF103b55.TMP
MD5:
SHA256:
3988chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\commerce_subscription_db\LOG.old
MD5:
SHA256:
3988chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\Session Storage\LOG.oldtext
MD5:FF6BABA737D50E515029C3F3A1305BBC
SHA256:670EED15EAA8E3F1A4F8612B229654EB0C64107AEAF0B1017E4BD45E3F7EED83
3988chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\shared_proto_db\metadata\LOG.oldtext
MD5:23E954DCE0FB0ECF46A96FF4ACBE66F4
SHA256:68F3B7AA8367C46273C296103B799A112DE3B70DE873C16F7166496CA31C3DDD
3988chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\Site Characteristics Database\LOG.old~RF103b65.TMPtext
MD5:358570F689377CE6838812643E03734B
SHA256:5B41FCC2E1A843AEAB9437B06E27B798870FF10D86A51B163BF48862BCD32590
3988chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Crashpad\settings.datbinary
MD5:9C016064A1F864C8140915D77CF3389A
SHA256:0E7265D4A8C16223538EDD8CD620B8820611C74538E420A88E333BE7F62AC787
3988chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\Site Characteristics Database\LOG.oldtext
MD5:825B582C78EC88D54C215EFDF1EAD639
SHA256:367995D01A8F13E5C30C79499F86B034775BFD009D83DC97635DE438D47DFA37
3988chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\AutofillStrikeDatabase\LOG.old~RF1052a6.TMP
MD5:
SHA256:
3988chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\AutofillStrikeDatabase\LOG.old
MD5:
SHA256:
3988chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Variationsbinary
MD5:961E3604F228B0D10541EBF921500C86
SHA256:F7B24F2EB3D5EB0550527490395D2F61C3D2FE74BB9CB345197DAD81B58B5FED
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
76
TCP/UDP connections
344
DNS requests
350
Threats
5

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
748
chrome.exe
GET
302
154.85.69.5:80
http://www.duba.com/?un_361586_142560%20/f%20%3Enul%202%3Enul
PK
unknown
748
chrome.exe
GET
200
8.210.9.173:80
http://sd1.boboboo.cn/hyh?c1&sourceid=tL5TTSrRx960
HK
html
17.1 Kb
unknown
748
chrome.exe
GET
200
8.210.9.173:80
http://sd1.boboboo.cn/Tpl/n/5740/css/xcss.css?1715570814
HK
text
3.26 Kb
unknown
748
chrome.exe
GET
200
8.210.9.173:80
http://sd1.boboboo.cn/Tpl/n/5740/js/verify.js?1715570814
HK
text
1.47 Kb
unknown
748
chrome.exe
GET
200
8.210.9.173:80
http://sd1.boboboo.cn/Tpl/n/5740/js/md5.js
HK
text
2.52 Kb
unknown
748
chrome.exe
GET
200
8.210.9.173:80
http://sd1.boboboo.cn/Tpl/n/5740/js/distpicker.data.js
HK
text
30.4 Kb
unknown
748
chrome.exe
GET
200
8.210.9.173:80
http://sd1.boboboo.cn/Tpl/n/5740/js/distpicker.js
HK
text
2.11 Kb
unknown
748
chrome.exe
GET
200
8.210.9.173:80
http://sd1.boboboo.cn/Tpl/n/5740/js/main.js
HK
text
858 b
unknown
748
chrome.exe
GET
200
120.77.176.66:88
http://120.77.176.66:88/Tpl/n/5740/images/index_03.jpg.webp
CN
image
27.7 Kb
unknown
748
chrome.exe
GET
200
8.210.9.173:80
http://sd1.boboboo.cn/Tpl/n/5740/js/jquery.kxbdmarquee.js
HK
text
1.32 Kb
unknown
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
4
System
192.168.100.255:138
whitelisted
224.0.0.252:5355
unknown
1088
svchost.exe
224.0.0.252:5355
unknown
748
chrome.exe
74.125.71.84:443
accounts.google.com
GOOGLE
US
unknown
3988
chrome.exe
239.255.255.250:1900
unknown
748
chrome.exe
154.85.69.5:80
www.duba.com
Galaxy Broadband
PK
unknown
748
chrome.exe
128.1.77.227:443
www.duba.com
ZEN-ECN
FR
unknown
748
chrome.exe
36.42.77.168:443
www.91duba.com
CHINANET SHAANXI province Cloud Base network
CN
unknown
748
chrome.exe
172.217.16.196:443
www.google.com
GOOGLE
US
whitelisted

DNS requests

Domain
IP
Reputation
accounts.google.com
  • 74.125.71.84
shared
www.duba.com
  • 154.85.69.5
  • 128.1.77.227
  • 154.85.69.4
  • 128.1.77.230
  • 154.85.69.2
unknown
www.91duba.com
  • 221.194.141.171
  • 120.232.206.78
  • 36.42.77.168
  • 36.42.77.166
  • 221.194.141.170
  • 120.232.206.82
  • 218.12.76.173
unknown
www.google.com
  • 172.217.16.196
whitelisted
www.newduba.cn
  • 199.91.74.213
  • 199.91.74.175
  • 38.60.178.80
unknown
duba-static.iscrv.com
  • 38.60.178.80
  • 199.91.74.175
  • 199.91.74.213
unknown
static.mediav.com
  • 104.192.110.245
  • 104.192.108.23
  • 104.192.108.22
  • 104.192.108.192
whitelisted
www.nkscdn.com
  • 138.113.27.178
  • 163.171.128.244
unknown
safebrowsing.googleapis.com
  • 172.217.16.202
whitelisted
program.xinchacha.com
  • 59.110.117.5
unknown

Threats

PID
Process
Class
Message
748
chrome.exe
Misc activity
ET INFO Session Traversal Utilities for NAT (STUN Binding Request)
Misc activity
ET INFO Session Traversal Utilities for NAT (STUN Binding Request)
Misc activity
ET INFO Session Traversal Utilities for NAT (STUN Binding Request)
Misc activity
ET INFO Session Traversal Utilities for NAT (STUN Binding Request)
Misc activity
ET INFO Session Traversal Utilities for NAT (STUN Binding Request)
No debug info