File name:

dive.exe

Full analysis: https://app.any.run/tasks/b88d5c33-3bc4-4283-a150-0c3cdab6d99b
Verdict: Malicious activity
Analysis date: June 22, 2025, 00:03:09
OS: Windows 10 Professional (build: 19044, 64 bit)
Tags:
upx
snojan
Indicators:
MIME: application/vnd.microsoft.portable-executable
File info: PE32 executable (console) Intel 80386 Mono/.Net assembly, for MS Windows, 3 sections
MD5:

FCE3FA5D2B4AAA74507A82E67433B4E3

SHA1:

52378943D25A02BEFC0B1EFE8A91424212A6BC24

SHA256:

3CEBB88691A10231A10EDAD0D84179B48FFD115904F8D23C2448621DF80A069A

SSDEEP:

3072:/3BOxcTRe/bAp4CQoAOUBSgkelKM3pNzmKaSI7yFpceNRckl2yp89FHp5qwar+SO:

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

    • SNOJAN has been detected (SURICATA)

      • el.exe (PID: 6016)
      • el.exe (PID: 4232)
      • el.exe (PID: 4888)
      • el.exe (PID: 6980)
      • el.exe (PID: 6772)
      • el.exe (PID: 6260)
      • el.exe (PID: 6124)
      • el.exe (PID: 1232)
      • el.exe (PID: 3844)
  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • dive.exe (PID: 2044)
      • el.exe (PID: 4888)
      • el.exe (PID: 4232)
      • el.exe (PID: 3844)
      • el.exe (PID: 6016)
      • el.exe (PID: 6980)
      • el.exe (PID: 6172)
      • el.exe (PID: 6772)
      • el.exe (PID: 1232)
      • el.exe (PID: 6260)
      • el.exe (PID: 6124)
  • INFO

    • Checks supported languages

      • dive.exe (PID: 2044)
      • el.exe (PID: 4232)
      • el.exe (PID: 6124)
      • el.exe (PID: 6172)
      • el.exe (PID: 1232)
      • el.exe (PID: 6260)
      • el.exe (PID: 4888)
      • el.exe (PID: 6016)
      • el.exe (PID: 3844)
      • el.exe (PID: 6772)
      • el.exe (PID: 6980)
    • Disables trace logs

      • dive.exe (PID: 2044)
    • Checks proxy server information

      • dive.exe (PID: 2044)
      • slui.exe (PID: 4172)
    • Reads the computer name

      • dive.exe (PID: 2044)
      • el.exe (PID: 6980)
      • el.exe (PID: 6772)
      • el.exe (PID: 4232)
      • el.exe (PID: 1232)
      • el.exe (PID: 6124)
      • el.exe (PID: 6172)
      • el.exe (PID: 6260)
      • el.exe (PID: 4888)
      • el.exe (PID: 6016)
      • el.exe (PID: 3844)
    • Reads Environment values

      • dive.exe (PID: 2044)
    • Reads the machine GUID from the registry

      • dive.exe (PID: 2044)
    • Reads the software policy settings

      • dive.exe (PID: 2044)
      • slui.exe (PID: 4172)
    • Create files in a temporary directory

      • dive.exe (PID: 2044)
      • el.exe (PID: 6980)
      • el.exe (PID: 6016)
      • el.exe (PID: 3844)
      • el.exe (PID: 6260)
      • el.exe (PID: 6124)
      • el.exe (PID: 4888)
      • el.exe (PID: 4232)
      • el.exe (PID: 6172)
      • el.exe (PID: 6772)
      • el.exe (PID: 1232)
    • UPX packer has been detected

      • el.exe (PID: 6124)
      • el.exe (PID: 6260)
      • el.exe (PID: 4888)
      • el.exe (PID: 6772)
      • el.exe (PID: 1232)
      • el.exe (PID: 6172)
      • el.exe (PID: 6016)
      • el.exe (PID: 4232)
      • el.exe (PID: 3844)
      • el.exe (PID: 6980)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Generic CIL Executable (.NET, Mono, etc.) (82.9)
.dll | Win32 Dynamic Link Library (generic) (7.4)
.exe | Win32 Executable (generic) (5.1)
.exe | Generic Win/DOS Executable (2.2)
.exe | DOS Executable Generic (2.2)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2025:06:21 23:58:26+00:00
ImageFileCharacteristics: Executable, Large address aware
PEType: PE32
LinkerVersion: 48
CodeSize: 683008
InitializedDataSize: 2048
UninitializedDataSize: -
EntryPoint: 0x2bee
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows command line
FileVersionNumber: 1.0.0.0
ProductVersionNumber: 1.0.0.0
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: Neutral
CharacterSet: Unicode
Comments: -
CompanyName: -
FileDescription: ConsoleApplication2
FileVersion: 1.0.0.0
InternalName: ConsoleApplication2.exe
LegalCopyright: Copyright © 2025
LegalTrademarks: -
OriginalFileName: ConsoleApplication2.exe
ProductName: ConsoleApplication2
ProductVersion: 1.0.0.0
AssemblyVersion: 1.0.0.0
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
165
Monitored processes
15
Malicious processes
10
Suspicious processes
0

Behavior graph

Click at the process to see the details
start dive.exe conhost.exe no specs #SNOJAN el.exe #SNOJAN el.exe #SNOJAN el.exe #SNOJAN el.exe el.exe #SNOJAN el.exe #SNOJAN el.exe #SNOJAN el.exe #SNOJAN el.exe #SNOJAN el.exe slui.exe ucpdmgr.exe no specs conhost.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
1232"el.exe"C:\Users\admin\AppData\Local\Temp\el.exe
dive.exe
User:
admin
Integrity Level:
MEDIUM
Modules
Images
c:\users\admin\appdata\local\temp\el.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll
c:\windows\syswow64\advapi32.dll
2044"C:\Users\admin\AppData\Local\Temp\dive.exe" C:\Users\admin\AppData\Local\Temp\dive.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Description:
ConsoleApplication2
Exit code:
0
Version:
1.0.0.0
Modules
Images
c:\users\admin\appdata\local\temp\dive.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
3584"C:\WINDOWS\system32\UCPDMgr.exe"C:\Windows\System32\UCPDMgr.exesvchost.exe
User:
SYSTEM
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
User Choice Protection Manager
Exit code:
0
Version:
1.0.0.414301
Modules
Images
c:\windows\system32\ucpdmgr.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\bcrypt.dll
3844"el.exe"C:\Users\admin\AppData\Local\Temp\el.exe
dive.exe
User:
admin
Integrity Level:
MEDIUM
Modules
Images
c:\users\admin\appdata\local\temp\el.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll
c:\windows\syswow64\advapi32.dll
4172C:\WINDOWS\System32\slui.exe -EmbeddingC:\Windows\System32\slui.exe
svchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Activation Client
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\slui.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\user32.dll
4232"el.exe"C:\Users\admin\AppData\Local\Temp\el.exe
dive.exe
User:
admin
Integrity Level:
MEDIUM
Modules
Images
c:\users\admin\appdata\local\temp\el.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll
c:\windows\syswow64\advapi32.dll
4676\??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1C:\Windows\System32\conhost.exedive.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Console Window Host
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\conhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\shcore.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll
4888"el.exe"C:\Users\admin\AppData\Local\Temp\el.exe
dive.exe
User:
admin
Integrity Level:
MEDIUM
Modules
Images
c:\users\admin\appdata\local\temp\el.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll
c:\windows\syswow64\advapi32.dll
6016"el.exe"C:\Users\admin\AppData\Local\Temp\el.exe
dive.exe
User:
admin
Integrity Level:
MEDIUM
Modules
Images
c:\users\admin\appdata\local\temp\el.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll
c:\windows\syswow64\advapi32.dll
6124"el.exe"C:\Users\admin\AppData\Local\Temp\el.exe
dive.exe
User:
admin
Integrity Level:
MEDIUM
Modules
Images
c:\users\admin\appdata\local\temp\el.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll
c:\windows\syswow64\advapi32.dll
Total events
4 024
Read events
4 010
Write events
14
Delete events
0

Modification events

(PID) Process:(2044) dive.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\dive_RASAPI32
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(2044) dive.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\dive_RASAPI32
Operation:writeName:EnableAutoFileTracing
Value:
0
(PID) Process:(2044) dive.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\dive_RASAPI32
Operation:writeName:EnableConsoleTracing
Value:
0
(PID) Process:(2044) dive.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\dive_RASAPI32
Operation:writeName:FileTracingMask
Value:
(PID) Process:(2044) dive.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\dive_RASAPI32
Operation:writeName:ConsoleTracingMask
Value:
(PID) Process:(2044) dive.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\dive_RASAPI32
Operation:writeName:MaxFileSize
Value:
1048576
(PID) Process:(2044) dive.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\dive_RASAPI32
Operation:writeName:FileDirectory
Value:
%windir%\tracing
(PID) Process:(2044) dive.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\dive_RASMANCS
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(2044) dive.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\dive_RASMANCS
Operation:writeName:EnableAutoFileTracing
Value:
0
(PID) Process:(2044) dive.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\dive_RASMANCS
Operation:writeName:EnableConsoleTracing
Value:
0
Executable files
93
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
1232el.exeC:\Users\admin\AppData\Local\Temp\rifaien2-scU2V4e3glL5AWmF.exeexecutable
MD5:0BB15E37F5360755C15F9990C171BB73
SHA256:A6F04A0AC0C7B1586818CADF944A325E4C3A520B3689AB0E9FED8C358D7F6A7B
6772el.exeC:\Users\admin\AppData\Local\Temp\rifaien2-Wxyf40F2AAwyhADH.exeexecutable
MD5:222A7159D428396AC9662C3734A35DF7
SHA256:54FC9EAE8EF00E41EFECD3B3133F75773F1B91D927F21532EF4081AE120EFB1C
4888el.exeC:\Users\admin\AppData\Local\Temp\rifaien2-mnffdyGq84KQU2vn.exeexecutable
MD5:496D798695BC6A2AB5AC8A265CD30304
SHA256:516390E5D748A4D4E09539EE9B2FBA29155869E1EC9E5F772384A6E83E638DD1
1232el.exeC:\Users\admin\AppData\Local\Temp\rifaien2-DJWfnpo87PtRB9rd.exeexecutable
MD5:904EF8694DD71D6652DF395651670A79
SHA256:44CCB7033C1E0BAAD1C28C58B1504041B027648A84887D606BA43C7565D9FA3F
6016el.exeC:\Users\admin\AppData\Local\Temp\rifaien2-vM04pNUXnr0S4sK8.exeexecutable
MD5:7FADB07CBDF3E862B1EDA3B68373594F
SHA256:1D84AC96C5D32944B2436664478FF96602A7722C92C910DAB563F29C69C72577
4232el.exeC:\Users\admin\AppData\Local\Temp\rifaien2-2tVL7RnmZfbzvuz5.exeexecutable
MD5:326AE26C49463B8313282A2D5BBE78E4
SHA256:DFA1EA17141114233D282DCFC14D0BC87DAE9751A266F8E7E0EF8D7FA8567CD4
3844el.exeC:\Users\admin\AppData\Local\Temp\rifaien2-1Uae4R95J9hO5oD0.exeexecutable
MD5:04319DBE11D46598BB3CFC789E2AA626
SHA256:2E689C6FC37883F373D7AE7D5355CC162259CC6F912D29B79E3DC1148F768E98
6260el.exeC:\Users\admin\AppData\Local\Temp\rifaien2-FQkwn4v7kR3ZeJ1u.exeexecutable
MD5:83F9BF736229CA4661A88AA9039DCD48
SHA256:12D505B74DE42FB679126879C011EF64AFFA81F3BDE2BFEC3E7C924922AF02D6
6124el.exeC:\Users\admin\AppData\Local\Temp\rifaien2-LllTO8RXh9ricWK2.exeexecutable
MD5:2FC96A7BA32CF42B94E34AA155869B01
SHA256:AB5D872C13C65ECE7969D5DA91274A2DFAEE1E273282638191F20291B52DA710
6980el.exeC:\Users\admin\AppData\Local\Temp\rifaien2-mEFjJniuOEqeRo3j.exeexecutable
MD5:489C62B914773B144643076C8D84C807
SHA256:3E6581F2915FEC6B5D6B2D312E675B1D46C6B4BAE31852FA30346810B254693D
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
8
TCP/UDP connections
135
DNS requests
26
Threats
184

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
1268
svchost.exe
GET
200
23.35.229.160:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
whitelisted
1268
svchost.exe
GET
200
23.53.40.176:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
whitelisted
1352
SIHClient.exe
GET
200
23.35.229.160:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl
unknown
whitelisted
1352
SIHClient.exe
GET
200
23.35.229.160:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl
unknown
whitelisted
2596
svchost.exe
GET
200
2.17.190.73:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D
unknown
whitelisted
2940
svchost.exe
GET
200
23.209.209.135:80
http://x1.c.lencr.org/
unknown
whitelisted
5556
svchost.exe
GET
200
2.23.77.188:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D
unknown
whitelisted
7052
backgroundTaskHost.exe
GET
200
2.23.77.188:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEA77flR%2B3w%2FxBpruV2lte6A%3D
unknown
whitelisted
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
5944
MoUsoCoreWorker.exe
40.127.240.158:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
1268
svchost.exe
40.127.240.158:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
472
RUXIMICS.exe
40.127.240.158:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
2044
dive.exe
104.26.2.158:443
computernewb.com
CLOUDFLARENET
US
whitelisted
4
System
192.168.100.255:138
whitelisted
1268
svchost.exe
20.73.194.208:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
1268
svchost.exe
23.53.40.176:80
crl.microsoft.com
Akamai International B.V.
DE
whitelisted
1268
svchost.exe
23.35.229.160:80
www.microsoft.com
AKAMAI-AS
DE
whitelisted
5944
MoUsoCoreWorker.exe
51.104.136.2:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted

DNS requests

Domain
IP
Reputation
settings-win.data.microsoft.com
  • 40.127.240.158
  • 20.73.194.208
  • 51.104.136.2
whitelisted
google.com
  • 142.250.186.110
whitelisted
computernewb.com
  • 104.26.2.158
  • 172.67.74.244
  • 104.26.3.158
whitelisted
crl.microsoft.com
  • 23.53.40.176
  • 23.53.40.178
whitelisted
www.microsoft.com
  • 23.35.229.160
whitelisted
slscr.update.microsoft.com
  • 20.12.23.50
whitelisted
fe3cr.delivery.mp.microsoft.com
  • 20.3.187.198
whitelisted
wecan.hasthe.technology
  • 104.21.59.199
  • 172.67.183.40
malicious
login.live.com
  • 40.126.31.73
  • 40.126.31.128
  • 40.126.31.131
  • 40.126.31.129
  • 20.190.159.68
  • 20.190.159.131
  • 20.190.159.4
  • 40.126.31.0
  • 20.190.160.132
  • 20.190.160.14
  • 40.126.32.74
  • 20.190.160.128
  • 20.190.160.67
  • 20.190.160.17
  • 40.126.32.136
  • 20.190.160.131
whitelisted
ocsp.digicert.com
  • 2.17.190.73
  • 2.23.77.188
whitelisted

Threats

PID
Process
Class
Message
6124
el.exe
Misc activity
ET INFO Generic HTTP EXE Upload Outbound
6124
el.exe
Misc activity
ET INFO Generic HTTP EXE Upload Outbound
6124
el.exe
Misc activity
ET INFO Generic HTTP EXE Upload Outbound
6124
el.exe
Misc activity
ET INFO Generic HTTP EXE Upload Outbound
6124
el.exe
A Network Trojan was detected
MALWARE [ANY.RUN] Snojan malware uploading .exe
6124
el.exe
A Network Trojan was detected
MALWARE [ANY.RUN] Snojan malware uploading .exe
6124
el.exe
A Network Trojan was detected
MALWARE [ANY.RUN] Snojan malware uploading .exe
6124
el.exe
A Network Trojan was detected
MALWARE [ANY.RUN] Snojan malware uploading .exe
6124
el.exe
Misc activity
ET INFO Generic HTTP EXE Upload Outbound
6124
el.exe
A Network Trojan was detected
MALWARE [ANY.RUN] Snojan malware uploading .exe
No debug info