URL:

https://www5.gogoanime.pro/

Full analysis: https://app.any.run/tasks/92d82ec8-ae15-42c3-b92a-3ec26922e2d4
Verdict: Malicious activity
Analysis date: May 07, 2021, 23:01:57
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MD5:

DC1A9DA1D11810B81FCBB1A9112445C0

SHA1:

44A43187F4B70F23D5139BF3170F257020F81DA8

SHA256:

6B2AB67D9CEE2E2F4C78ADCCBD99949F06E45C2B6DB44CEE4BCDE5F48746D145

SSDEEP:

3:N8DSQLCKQJAhXR:2OeCpOhB

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

    • Changes settings of System certificates

      • chrome.exe (PID: 3780)
    • Application launched itself

      • chrome.exe (PID: 1408)
    • Reads the hosts file

      • chrome.exe (PID: 1408)
      • chrome.exe (PID: 3780)
    • Dropped object may contain Bitcoin addresses

      • chrome.exe (PID: 1408)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
93
Monitored processes
54
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 no specs chrome.exe 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 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 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
1408"C:\Program Files\Google\Chrome\Application\chrome.exe" --disk-cache-dir=null --disk-cache-size=1 --media-cache-size=1 --disable-gpu-shader-disk-cache --disable-background-networking "https://www5.gogoanime.pro/"C:\Program Files\Google\Chrome\Application\chrome.exe
explorer.exe
User:
admin
Company:
Google LLC
Integrity Level:
MEDIUM
Description:
Google Chrome
Exit code:
3221225547
Version:
75.0.3770.100
Modules
Images
c:\program files\google\chrome\application\chrome.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\google\chrome\application\75.0.3770.100\chrome_elf.dll
c:\windows\system32\version.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shell32.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\gdi32.dll
2184"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win32 --annotation=prod=Chrome --annotation=ver=75.0.3770.100 --initial-client-data=0x7c,0x80,0x84,0x78,0x88,0x6bbba9d0,0x6bbba9e0,0x6bbba9ecC:\Program Files\Google\Chrome\Application\chrome.exechrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
MEDIUM
Description:
Google Chrome
Exit code:
0
Version:
75.0.3770.100
Modules
Images
c:\program files\google\chrome\application\chrome.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\google\chrome\application\75.0.3770.100\chrome_elf.dll
c:\windows\system32\version.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shell32.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\gdi32.dll
1676"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=watcher --main-thread-id=376 --on-initialized-event-handle=316 --parent-handle=320 /prefetch:6C:\Program Files\Google\Chrome\Application\chrome.exechrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
MEDIUM
Description:
Google Chrome
Exit code:
0
Version:
75.0.3770.100
Modules
Images
c:\program files\google\chrome\application\chrome.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\google\chrome\application\75.0.3770.100\chrome_elf.dll
c:\windows\system32\version.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shell32.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\gdi32.dll
3168"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1020,8560449322176434874,9422872723351678997,131072 --enable-features=PasswordImport --gpu-preferences=KAAAAAAAAADgACAgAQAAAAAAAAAAAGAAAAAAAAAAAAAIAAAAAAAAACgAAAAEAAAAIAAAAAAAAAAoAAAAAAAAADAAAAAAAAAAOAAAAAAAAAAQAAAAAAAAAAAAAAAFAAAAEAAAAAAAAAAAAAAABgAAABAAAAAAAAAAAQAAAAUAAAAQAAAAAAAAAAEAAAAGAAAA --service-request-channel-token=1356057955305432220 --mojo-platform-channel-handle=992 --ignored=" --type=renderer " /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:
75.0.3770.100
Modules
Images
c:\program files\google\chrome\application\chrome.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\google\chrome\application\75.0.3770.100\chrome_elf.dll
c:\windows\system32\version.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shell32.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\gdi32.dll
3780"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --field-trial-handle=1020,8560449322176434874,9422872723351678997,131072 --enable-features=PasswordImport --lang=en-US --service-sandbox-type=network --service-request-channel-token=7871508365358743476 --mojo-platform-channel-handle=1504 /prefetch:8C:\Program Files\Google\Chrome\Application\chrome.exe
chrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
MEDIUM
Description:
Google Chrome
Exit code:
0
Version:
75.0.3770.100
Modules
Images
c:\program files\google\chrome\application\chrome.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\google\chrome\application\75.0.3770.100\chrome_elf.dll
c:\windows\system32\version.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shell32.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\gdi32.dll
392"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1020,8560449322176434874,9422872723351678997,131072 --enable-features=PasswordImport --lang=en-US --enable-offline-auto-reload --enable-offline-auto-reload-visible-only --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --service-request-channel-token=8323210744054297859 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2164 /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:
75.0.3770.100
Modules
Images
c:\program files\google\chrome\application\chrome.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\google\chrome\application\75.0.3770.100\chrome_elf.dll
c:\windows\system32\version.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shell32.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\gdi32.dll
2848"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1020,8560449322176434874,9422872723351678997,131072 --enable-features=PasswordImport --lang=en-US --enable-offline-auto-reload --enable-offline-auto-reload-visible-only --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --service-request-channel-token=18374094762769640379 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2176 /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:
75.0.3770.100
Modules
Images
c:\program files\google\chrome\application\chrome.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\google\chrome\application\75.0.3770.100\chrome_elf.dll
c:\windows\system32\version.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shell32.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\gdi32.dll
3576"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1020,8560449322176434874,9422872723351678997,131072 --enable-features=PasswordImport --lang=en-US --extension-process --enable-offline-auto-reload --enable-offline-auto-reload-visible-only --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --service-request-channel-token=17935604941474505880 --renderer-client-id=4 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2344 /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:
75.0.3770.100
Modules
Images
c:\program files\google\chrome\application\chrome.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\google\chrome\application\75.0.3770.100\chrome_elf.dll
c:\windows\system32\version.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shell32.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\gdi32.dll
996"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1020,8560449322176434874,9422872723351678997,131072 --enable-features=PasswordImport --disable-gpu-compositing --lang=en-US --enable-offline-auto-reload --enable-offline-auto-reload-visible-only --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --service-request-channel-token=9545337507416914968 --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3296 /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:
75.0.3770.100
Modules
Images
c:\program files\google\chrome\application\chrome.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\google\chrome\application\75.0.3770.100\chrome_elf.dll
c:\windows\system32\version.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shell32.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\gdi32.dll
3768"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1020,8560449322176434874,9422872723351678997,131072 --enable-features=PasswordImport --disable-gpu-compositing --lang=en-US --enable-offline-auto-reload --enable-offline-auto-reload-visible-only --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --service-request-channel-token=12128111896722035429 --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3236 /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:
75.0.3770.100
Modules
Images
c:\program files\google\chrome\application\chrome.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\google\chrome\application\75.0.3770.100\chrome_elf.dll
c:\windows\system32\version.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shell32.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\gdi32.dll
Total events
663
Read events
552
Write events
108
Delete events
3

Modification events

(PID) Process:(1408) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome\BLBeacon
Operation:writeName:failed_count
Value:
0
(PID) Process:(1408) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome\BLBeacon
Operation:writeName:state
Value:
2
(PID) Process:(1408) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome\ThirdParty
Operation:writeName:StatusCodes
Value:
(PID) Process:(1408) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome\ThirdParty
Operation:writeName:StatusCodes
Value:
01000000
(PID) Process:(1408) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome\BLBeacon
Operation:writeName:state
Value:
1
(PID) Process:(1408) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Update\ClientState\{8A69D345-D564-463c-AFF1-A69D9E530F96}
Operation:writeName:dr
Value:
1
(PID) Process:(1676) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome\BrowserExitCodes
Operation:writeName:1408-13264902135095375
Value:
259
(PID) Process:(1408) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome
Operation:writeName:UsageStatsInSample
Value:
0
(PID) Process:(1408) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome\BrowserExitCodes
Operation:delete valueName:3252-13245750958665039
Value:
0
(PID) Process:(1408) chrome.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Google\Update\ClientStateMedium\{8A69D345-D564-463C-AFF1-A69D9E530F96}
Operation:writeName:usagestats
Value:
0
Executable files
0
Suspicious files
248
Text files
125
Unknown types
9

Dropped files

PID
Process
Filename
Type
1408chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\BrowserMetrics\BrowserMetrics-6095C6F7-580.pma
MD5:
SHA256:
1408chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\6693e3e3-86c7-4805-b16f-f7d41393eb18.tmp
MD5:
SHA256:
1408chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\data_reduction_proxy_leveldb\000048.dbtmp
MD5:
SHA256:
1408chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\data_reduction_proxy_leveldb\CURRENT
MD5:
SHA256:
1408chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\data_reduction_proxy_leveldb\CURRENT~RF1340b6.TMP
MD5:
SHA256:
1408chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\Last Tabsbinary
MD5:E815400F953EA8DB8A98D52737C9A50D
SHA256:E9F064927A191500B7365F51C9CD0763A6A8E68A8B866ACED39AA0E72C3EAD85
1408chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\Site Characteristics Database\LOG.oldtext
MD5:D4322EEBAC92D1B8F7A6F5E39F6264B7
SHA256:A3EEDF21B850DCC7CE5AE04395ECDD2D29DA4EA549C8A185DD9E8B552A87B8C2
1408chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\Feature Engagement Tracker\EventDB\LOG.old~RF134087.TMPtext
MD5:1C97B70A4BAD7C026F79467C7D496AFA
SHA256:C5A02E4984DE3F30DADFC0A89A93F45418C06653C3962EAA94C93909E51D272D
1408chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\Sync Data\LevelDB\LOG.old~RF13400a.TMPtext
MD5:C2DDBA63E4A2BD2E39A8B6C2C6384AAE
SHA256:6D5C1C78341C6F84911055D970ADDB0EC3499F8BF7FADE062122A22209CE67D9
1408chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\BudgetDatabase\LOG.old~RF134048.TMPtext
MD5:67F45CAA18C889645F50CD6216C81E65
SHA256:33ED82CDDDFFD55A5059C147C6CD20F66C6712314F890A39576D3C10914D0029
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
270
DNS requests
165
Threats
4

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3780
chrome.exe
GET
200
104.18.21.226:80
http://secure2.alphassl.com/cacert/gsalphasha2g2r1.crt
US
der
1.08 Kb
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
3780
chrome.exe
104.16.19.94:443
cdnjs.cloudflare.com
Cloudflare Inc
US
suspicious
3780
chrome.exe
142.250.186.99:443
www.gstatic.com
Google Inc.
US
whitelisted
3780
chrome.exe
216.58.212.170:443
ajax.googleapis.com
Google Inc.
US
whitelisted
3780
chrome.exe
104.109.85.134:443
s7.addthis.com
Akamai International B.V.
NL
unknown
3780
chrome.exe
172.67.207.85:443
www5.gogoanime.pro
US
malicious
3780
chrome.exe
142.250.185.68:443
www.google.com
Google Inc.
US
whitelisted
3780
chrome.exe
104.22.73.85:443
st.bebi.com
Cloudflare Inc
US
malicious
3780
chrome.exe
142.250.186.77:443
accounts.google.com
Google Inc.
US
suspicious
3780
chrome.exe
192.243.59.20:443
g8cp5djk1j0r.com
DataWeb Global Group B.V.
US
malicious
3780
chrome.exe
172.217.23.104:443
www.googletagmanager.com
Google Inc.
US
suspicious

DNS requests

Domain
IP
Reputation
www5.gogoanime.pro
  • 172.67.207.85
  • 104.21.85.159
malicious
accounts.google.com
  • 142.250.186.77
shared
cdnjs.cloudflare.com
  • 104.16.19.94
  • 104.16.18.94
whitelisted
www.google.com
  • 142.250.185.68
malicious
s2.bunnycdn.ru
  • 172.64.133.15
  • 172.64.132.15
suspicious
cdn.onesignal.com
  • 104.18.226.52
  • 104.18.225.52
whitelisted
ajax.googleapis.com
  • 216.58.212.170
whitelisted
g8cp5djk1j0r.com
  • 192.243.59.13
  • 192.243.59.12
  • 192.243.59.20
malicious
counsellorcolours.com
  • 192.243.59.20
  • 192.243.59.12
  • 192.243.59.13
malicious
s7.addthis.com
  • 104.109.85.134
whitelisted

Threats

PID
Process
Class
Message
Potentially Bad Traffic
ET DNS Query for .cc TLD
Potentially Bad Traffic
ET DNS Query for .cc TLD
Potentially Bad Traffic
ET INFO Observed Let's Encrypt Certificate for Suspicious TLD (.xyz)
Potentially Bad Traffic
ET INFO Observed Let's Encrypt Certificate for Suspicious TLD (.xyz)
No debug info