URL:

updatepopcorntime.xyz

Full analysis: https://app.any.run/tasks/eb0971bf-c4ce-4964-b78e-8f88f157d943
Verdict: Malicious activity
Analysis date: December 14, 2023, 11:55:17
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MD5:

58551F20B1194764AAEFD45E8EFEE1AA

SHA1:

55230673947C89D7C4B4C34207A719DF338A3786

SHA256:

B9FEFA214D85C6895A77001259D117AA08930264B508847D35A2CF699FEB3874

SSDEEP:

3:ACEKRUu:ACEKUu

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: 4044)
    • Manual execution by a user

      • wmpnscfg.exe (PID: 4044)
    • The process uses the downloaded file

      • chrome.exe (PID: 2368)
      • chrome.exe (PID: 2456)
    • Checks supported languages

      • wmpnscfg.exe (PID: 4044)
    • Application launched itself

      • chrome.exe (PID: 2956)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
55
Monitored processes
19
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

Process information

PID
CMD
Path
Indicators
Parent process
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=16 --mojo-platform-channel-handle=3548 --field-trial-handle=1132,i,14087599815381294852,9957709429112544190,131072 /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
1032"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --disable-quic --mojo-platform-channel-handle=3208 --field-trial-handle=1132,i,14087599815381294852,9957709429112544190,131072 /prefetch:8C:\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
1152"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgACAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1048 --field-trial-handle=1132,i,14087599815381294852,9957709429112544190,131072 /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
2220"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --disable-quic --mojo-platform-channel-handle=1168 --field-trial-handle=1132,i,14087599815381294852,9957709429112544190,131072 /prefetch:8C:\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
2368"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --lang=en-US --service-sandbox-type=none --disable-quic --mojo-platform-channel-handle=3484 --field-trial-handle=1132,i,14087599815381294852,9957709429112544190,131072 /prefetch:8C:\Program Files\Google\Chrome\Application\chrome.exechrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
MEDIUM
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
2424"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=1360 --field-trial-handle=1132,i,14087599815381294852,9957709429112544190,131072 /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:
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
2456"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --lang=en-US --service-sandbox-type=none --disable-quic --mojo-platform-channel-handle=3212 --field-trial-handle=1132,i,14087599815381294852,9957709429112544190,131072 /prefetch:8C:\Program Files\Google\Chrome\Application\chrome.exechrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
MEDIUM
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
2584"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=11 --mojo-platform-channel-handle=1284 --field-trial-handle=1132,i,14087599815381294852,9957709429112544190,131072 /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
2608"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgACAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1232 --field-trial-handle=1132,i,14087599815381294852,9957709429112544190,131072 /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
2808"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --disable-quic --mojo-platform-channel-handle=1312 --field-trial-handle=1132,i,14087599815381294852,9957709429112544190,131072 /prefetch:8C:\Program Files\Google\Chrome\Application\chrome.exechrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
MEDIUM
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
Total events
3 688
Read events
3 609
Write events
78
Delete events
1

Modification events

(PID) Process:(2956) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome\BLBeacon
Operation:writeName:failed_count
Value:
0
(PID) Process:(2956) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome\BLBeacon
Operation:writeName:state
Value:
1
(PID) Process:(2956) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome\ThirdParty
Operation:writeName:StatusCodes
Value:
01000000
(PID) Process:(2956) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome\BLBeacon
Operation:writeName:state
Value:
2
(PID) Process:(2956) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Update\ClientState\{8A69D345-D564-463c-AFF1-A69D9E530F96}
Operation:writeName:dr
Value:
1
(PID) Process:(2956) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome\StabilityMetrics
Operation:writeName:user_experience_metrics.stability.exited_cleanly
Value:
1
(PID) Process:(2956) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome
Operation:writeName:UsageStatsInSample
Value:
0
(PID) Process:(2956) chrome.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Google\Update\ClientStateMedium\{8A69D345-D564-463C-AFF1-A69D9E530F96}
Operation:writeName:usagestats
Value:
0
(PID) Process:(2956) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Update\ClientState\{8A69D345-D564-463c-AFF1-A69D9E530F96}
Operation:writeName:metricsid_installdate
Value:
0
(PID) Process:(2956) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Update\ClientState\{8A69D345-D564-463c-AFF1-A69D9E530F96}
Operation:writeName:metricsid_enableddate
Value:
0
Executable files
0
Suspicious files
78
Text files
24
Unknown types
0

Dropped files

PID
Process
Filename
Type
2956chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\commerce_subscription_db\LOG.old~RF20fc94.TMP
MD5:
SHA256:
2956chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\commerce_subscription_db\LOG.old
MD5:
SHA256:
2956chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Variationsbinary
MD5:961E3604F228B0D10541EBF921500C86
SHA256:F7B24F2EB3D5EB0550527490395D2F61C3D2FE74BB9CB345197DAD81B58B5FED
2956chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Last Versiontext
MD5:9F941EA08DBDCA2EB3CFA1DBBBA6F5DC
SHA256:127F71DF0D2AD895D4F293E62284D85971AE047CA15F90B87BF6335898B0B655
2956chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\shared_proto_db\metadata\LOG.oldtext
MD5:C97BAF91C596FA593691D5E6E7FB9F76
SHA256:FDC084A61F5F9FB116C267A58754A89DC42B480572C3800F964BC79BF52A135B
2956chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\shared_proto_db\metadata\LOG.old~RF20fd40.TMPtext
MD5:8268A4D53A6A9432A8266584CBD7D624
SHA256:F785C42945CFE320C52C763837CD41541A8CAAB3E5FD567999EED5343CF0FD7A
2956chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\coupon_db\LOG.old~RF21031c.TMP
MD5:
SHA256:
2956chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\coupon_db\LOG.old
MD5:
SHA256:
2956chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\e2425dc0-c7fd-46a0-a76b-f440c4fdd17a.tmpbinary
MD5:5058F1AF8388633F609CADB75A75DC9D
SHA256:
2956chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\Platform Notifications\LOG.oldtext
MD5:05387A3C4FCF1F3B992FF9FBF045AA1A
SHA256:B01E9451B8F6ABF03C9CD2E158C02D0A6BFDF771944F5D0B96DAD2DA6A7E3C8F
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
14
TCP/UDP connections
47
DNS requests
52
Threats
11

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
2424
chrome.exe
GET
200
199.59.243.225:80
http://ww25.updatepopcorntime.xyz/?subid1=20231214-2255-304e-b4f2-ed8918469f63
unknown
html
1.14 Kb
2424
chrome.exe
GET
302
103.224.212.215:80
http://updatepopcorntime.xyz/
unknown
text
2 b
2424
chrome.exe
GET
200
199.59.243.225:80
http://ww25.updatepopcorntime.xyz/bqqYAQmaP.js
unknown
text
31.3 Kb
2424
chrome.exe
POST
200
199.59.243.225:80
http://ww25.updatepopcorntime.xyz/_fd?subid1=20231214-2255-304e-b4f2-ed8918469f63
unknown
compressed
2.60 Kb
2424
chrome.exe
POST
200
199.59.243.225:80
http://ww25.updatepopcorntime.xyz/_tr
unknown
compressed
22 b
2424
chrome.exe
GET
200
199.59.243.225:80
http://ww25.updatepopcorntime.xyz/?caf&subid1=20231214-2255-304e-b4f2-ed8918469f63&query=Password+Software&afdToken=ChMIquqn1u-OgwMVrvi7CB2tZw4SEmcBlLqpj-4PPf1RIk2IFaEu_BkKKVBixJOARTyyrQ2nPYyd7RyQS3xSxZYO8TfNK46FAq6n276R0nfr1E6DMFaB2pKOonw1HAy1qDchjfJri8WXjrGV5xKsTQ3at6SNUdMly3mTWKV1&pcsa=false&nb=0&nm=4&nx=398&ny=59&is=700x480&clkt=114
unknown
html
2.01 Kb
2424
chrome.exe
GET
200
199.59.243.225:80
http://ww25.updatepopcorntime.xyz/bBDgUcNEL.js
unknown
text
31.3 Kb
2424
chrome.exe
POST
200
199.59.243.225:80
http://ww25.updatepopcorntime.xyz/_fd?caf&subid1=20231214-2255-304e-b4f2-ed8918469f63&query=Password+Software&afdToken=ChMIquqn1u-OgwMVrvi7CB2tZw4SEmcBlLqpj-4PPf1RIk2IFaEu_BkKKVBixJOARTyyrQ2nPYyd7RyQS3xSxZYO8TfNK46FAq6n276R0nfr1E6DMFaB2pKOonw1HAy1qDchjfJri8WXjrGV5xKsTQ3at6SNUdMly3mTWKV1&pcsa=false&nb=0&nm=4&nx=398&ny=59&is=700x480&clkt=114
unknown
compressed
2.60 Kb
2424
chrome.exe
GET
199.59.243.225:80
http://ww25.updatepopcorntime.xyz/?subid1=20231214-2255-304e-b4f2-ed8918469f63
unknown
2424
chrome.exe
POST
200
199.59.243.225:80
http://ww25.updatepopcorntime.xyz/_tr
unknown
compressed
22 b
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
192.168.100.255:138
unknown
4
System
192.168.100.255:137
unknown
1080
svchost.exe
224.0.0.252:5355
unknown
2424
chrome.exe
108.177.15.84:443
accounts.google.com
GOOGLE
US
unknown
2588
svchost.exe
239.255.255.250:1900
unknown
2956
chrome.exe
239.255.255.250:1900
unknown
2424
chrome.exe
103.224.212.215:80
updatepopcorntime.xyz
Trellian Pty. Limited
AU
unknown
2424
chrome.exe
199.59.243.225:80
ww25.updatepopcorntime.xyz
AMAZON-02
US
unknown
2424
chrome.exe
142.250.186.36:443
www.google.com
GOOGLE
US
unknown
2424
chrome.exe
142.250.185.202:443
www.googleapis.com
GOOGLE
US
unknown

DNS requests

Domain
IP
Reputation
accounts.google.com
  • 108.177.15.84
unknown
updatepopcorntime.xyz
  • 103.224.212.215
unknown
ww25.updatepopcorntime.xyz
  • 199.59.243.225
unknown
www.google.com
  • 142.250.186.36
unknown
www.googleapis.com
  • 142.250.185.202
  • 142.250.185.234
  • 142.250.186.74
  • 142.250.186.106
  • 142.250.181.234
  • 172.217.16.138
  • 142.250.184.202
  • 142.250.184.234
  • 142.250.186.138
  • 142.250.74.202
  • 142.250.186.42
  • 172.217.18.10
  • 172.217.16.202
  • 142.250.186.170
  • 216.58.206.42
  • 216.58.212.170
unknown
update.googleapis.com
  • 142.250.185.195
unknown
www.adsensecustomsearchads.com
  • 142.250.185.110
unknown
partner.googleadservices.com
  • 142.250.185.194
unknown
afs.googleusercontent.com
  • 172.217.18.97
unknown
clients1.google.com
  • 142.250.186.46
unknown

Threats

PID
Process
Class
Message
Potentially Bad Traffic
AV INFO HTTP Request to a *.xyz domain
Potentially Bad Traffic
AV INFO HTTP Request to a *.xyz domain
Potentially Bad Traffic
AV INFO HTTP Request to a *.xyz domain
Potentially Bad Traffic
AV INFO HTTP Request to a *.xyz domain
Potentially Bad Traffic
AV INFO HTTP Request to a *.xyz domain
Potentially Bad Traffic
AV INFO HTTP Request to a *.xyz domain
Potentially Bad Traffic
AV INFO HTTP Request to a *.xyz domain
Potentially Bad Traffic
AV INFO HTTP Request to a *.xyz domain
Potentially Bad Traffic
AV INFO HTTP Request to a *.xyz domain
Potentially Bad Traffic
AV INFO HTTP Request to a *.xyz domain
No debug info