URL:

https://victorleal.com/files/cybtx.exe

Full analysis: https://app.any.run/tasks/5edfcae9-1c04-4c75-9e6c-b534e6203820
Verdict: Malicious activity
Analysis date: December 06, 2022, 01:58:09
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MD5:

38D00059CAF3C97471D5C08ADE2CC643

SHA1:

B027C7A5C8E886FD6AD57078564C1BD3B2B0AAAB

SHA256:

812D8B4FC83222215EF5E7DA551D1A25A82029EF6E0446DBB4B71746696753C6

SSDEEP:

3:N8JRIAgx0K9dJn:2JuAgn

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

    • Application was dropped or rewritten from another process

      • cybtx.exe (PID: 2504)
      • cybtx.exe (PID: 920)
      • ScreenConnect.ClientService.exe (PID: 1684)
      • ScreenConnect.WindowsClient.exe (PID: 2728)
      • ScreenConnect.WindowsClient.exe (PID: 2056)

    • Loads dropped or rewritten executable

      • MsiExec.exe (PID: 3876)
      • rundll32.exe (PID: 1588)
      • ScreenConnect.ClientService.exe (PID: 1684)
      • ScreenConnect.WindowsClient.exe (PID: 2728)
      • ScreenConnect.WindowsClient.exe (PID: 2056)

    • Creates a writable file the system directory

      • ScreenConnect.ClientService.exe (PID: 1684)

  • SUSPICIOUS

    • Reads the Internet Settings

      • cybtx.exe (PID: 920)
      • ScreenConnect.ClientService.exe (PID: 1684)
      • ScreenConnect.WindowsClient.exe (PID: 2728)
      • ScreenConnect.WindowsClient.exe (PID: 2056)

    • Changes default file association

      • msiexec.exe (PID: 340)

    • Application launched itself

      • msiexec.exe (PID: 340)

    • Uses RUNDLL32.EXE to load library

      • MsiExec.exe (PID: 3876)

    • Executes as Windows Service

      • vssvc.exe (PID: 2768)
      • ScreenConnect.ClientService.exe (PID: 1684)

    • Creates a software uninstall entry

      • msiexec.exe (PID: 340)

    • Creates or modifies Windows services

      • ScreenConnect.ClientService.exe (PID: 1684)

    • Searches for installed software

      • msiexec.exe (PID: 340)

  • INFO

    • Reads the computer name

      • cybtx.exe (PID: 920)
      • ScreenConnect.ClientService.exe (PID: 1684)
      • ScreenConnect.WindowsClient.exe (PID: 2728)
      • ScreenConnect.WindowsClient.exe (PID: 2056)

    • Checks supported languages

      • cybtx.exe (PID: 920)
      • ScreenConnect.ClientService.exe (PID: 1684)
      • ScreenConnect.WindowsClient.exe (PID: 2728)
      • ScreenConnect.WindowsClient.exe (PID: 2056)

    • Application launched itself

      • iexplore.exe (PID: 856)

    • Drops the executable file immediately after the start

      • rundll32.exe (PID: 1588)
      • msiexec.exe (PID: 340)

    • Executable content was dropped or overwritten

      • msiexec.exe (PID: 340)
      • rundll32.exe (PID: 1588)

    • Drops a file that was compiled in debug mode

      • msiexec.exe (PID: 340)

    • Reads Environment values

      • ScreenConnect.ClientService.exe (PID: 1684)

    • Reads CPU info

      • ScreenConnect.WindowsClient.exe (PID: 2056)

    • Reads the CPU's name

      • ScreenConnect.WindowsClient.exe (PID: 2056)

    • Modifies the phishing filter of IE

      • iexplore.exe (PID: 856)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
52
Monitored processes
14
Malicious processes
7
Suspicious processes
1

Behavior graph

Click at the process to see the details
drop and start drop and start start iexplore.exe iexplore.exe cybtx.exe no specs cybtx.exe msiexec.exe no specs msiexec.exe msiexec.exe no specs rundll32.exe vssvc.exe no specs msiexec.exe no specs msiexec.exe no specs screenconnect.clientservice.exe screenconnect.windowsclient.exe no specs screenconnect.windowsclient.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
340C:\Windows\system32\msiexec.exe /VC:\Windows\system32\msiexec.exe
services.exe
User:
SYSTEM
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Windows® installer
Exit code:
0
Version:
5.0.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\msiexec.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
856"C:\Program Files\Internet Explorer\iexplore.exe" "https://victorleal.com/files/cybtx.exe"C:\Program Files\Internet Explorer\iexplore.exe
Explorer.EXE
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Internet Explorer
Exit code:
0
Version:
11.00.9600.16428 (winblue_gdr.131013-1700)
Modules
Images
c:\program files\internet explorer\iexplore.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\api-ms-win-downlevel-advapi32-l1-1-0.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\iertutil.dll
920"C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\PO2HN1X2\cybtx.exe" C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\PO2HN1X2\cybtx.exe
iexplore.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\microsoft\windows\temporary internet files\content.ie5\po2hn1x2\cybtx.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\ole32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
1588rundll32.exe "C:\Users\admin\AppData\Local\Temp\MSI706E.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_17264859 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArgumentsC:\Windows\system32\rundll32.exe
MsiExec.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Windows host process (Rundll32)
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\rundll32.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\imagehlp.dll
1684"C:\Program Files\ScreenConnect Client (31ece1a9978bf15f)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-dlu8z8-relay.screenconnect.com&p=443&s=e4893490-3a4b-4cbe-abac-9304cb987f57&k=BgIAAACkAABSU0ExAAgAAAEAAQDnEMWjQIwNVA2zFc2P7yNxCTLop2hyarF45RftY%2bav%2fl0OgZKSfUwsav27658IjVI3Ioo1gUVpMTlSlxd4e9ifcIizHsISjHmNi9ctQXmQnnOaYiZy9o3q5W6DoY1YG%2fmqASYTht6q7o9ScDNIVTRp%2bEKg7g30T5IiIhgfYwt9Fp5uP8SnC4tsI%2fvxglF9gM0%2fSL3yNu0bdUkSZVRGwo%2bwwPtOvtx5hVoLUrTQxDsNACv51%2bAn2KTNHhxlk6nZEq3F0mpp5ry3wzZwGhj14nzNGh082QOQiCyyEye6gIsF6wr8MZmY%2blf63aKoQvITi419JbtndNZBS1yzS5szQu%2fA&t=&c=&c=&c=&c=&c=&c=&c=&c="C:\Program Files\ScreenConnect Client (31ece1a9978bf15f)\ScreenConnect.ClientService.exe
services.exe
User:
SYSTEM
Integrity Level:
SYSTEM
Exit code:
0
Version:
22.9.10231.8343
Modules
Images
c:\program files\screenconnect client (31ece1a9978bf15f)\screenconnect.clientservice.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\msvcrt.dll
1936"C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:856 CREDAT:267521 /prefetch:2C:\Program Files\Internet Explorer\iexplore.exe
iexplore.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
LOW
Description:
Internet Explorer
Exit code:
0
Version:
11.00.9600.16428 (winblue_gdr.131013-1700)
Modules
Images
c:\program files\internet explorer\iexplore.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\api-ms-win-downlevel-advapi32-l1-1-0.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\iertutil.dll
2056"C:\Program Files\ScreenConnect Client (31ece1a9978bf15f)\ScreenConnect.WindowsClient.exe" "RunRole" "47776ee1-91b3-4327-b0d1-bac3a34c21b9" "System"C:\Program Files\ScreenConnect Client (31ece1a9978bf15f)\ScreenConnect.WindowsClient.exe—ScreenConnect.ClientService.exe
User:
SYSTEM
Company:
ScreenConnect Software
Integrity Level:
SYSTEM
Description:
ScreenConnect Client
Exit code:
0
Version:
22.9.10231.8343
Modules
Images
c:\program files\screenconnect client (31ece1a9978bf15f)\screenconnect.windowsclient.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\microsoft.net\framework\v4.0.30319\mscoreei.dll
2504"C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\PO2HN1X2\cybtx.exe" C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\PO2HN1X2\cybtx.exe—iexplore.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
3221226540
Modules
Images
c:\users\admin\appdata\local\microsoft\windows\temporary internet files\content.ie5\po2hn1x2\cybtx.exe
c:\windows\system32\ntdll.dll
2640C:\Windows\system32\MsiExec.exe -Embedding DF5EDCAAD7495400A747AD8A15201C20 E Global\MSI0000C:\Windows\system32\MsiExec.exe—msiexec.exe
User:
SYSTEM
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Windows® installer
Exit code:
0
Version:
5.0.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\ntdll.dll
c:\windows\system32\msiexec.exe
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\user32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\gdi32.dll
2728"C:\Program Files\ScreenConnect Client (31ece1a9978bf15f)\ScreenConnect.WindowsClient.exe" "RunRole" "7378830c-142d-4aa4-b618-76f41546ace3" "User"C:\Program Files\ScreenConnect Client (31ece1a9978bf15f)\ScreenConnect.WindowsClient.exe—ScreenConnect.ClientService.exe
User:
admin
Company:
ScreenConnect Software
Integrity Level:
MEDIUM
Description:
ScreenConnect Client
Exit code:
0
Version:
22.9.10231.8343
Modules
Images
c:\program files\screenconnect client (31ece1a9978bf15f)\screenconnect.windowsclient.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\microsoft.net\framework\v4.0.30319\mscoreei.dll
Total events
17 432
Read events
17 012
Write events
404
Delete events
16

Modification events

(PID) Process:(856) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\TabbedBrowsing
Operation:writeName:NTPDaysSinceLastAutoMigration
Value:
1
(PID) Process:(856) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\TabbedBrowsing
Operation:writeName:NTPLastLaunchLowDateTime
Value:
878899216
(PID) Process:(856) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\TabbedBrowsing
Operation:writeName:NTPLastLaunchHighDateTime
Value:
31000854
(PID) Process:(856) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\UrlBlockManager
Operation:writeName:NextCheckForUpdateLowDateTime
Value:
(PID) Process:(856) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\UrlBlockManager
Operation:writeName:NextCheckForUpdateHighDateTime
Value:
31000854
(PID) Process:(856) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content
Operation:writeName:CachePrefix
Value:
(PID) Process:(856) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies
Operation:writeName:CachePrefix
Value:
Cookie:
(PID) Process:(856) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History
Operation:writeName:CachePrefix
Value:
Visited:
(PID) Process:(856) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main
Operation:writeName:CompatibilityFlags
Value:
0
(PID) Process:(856) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
Executable files
20
Suspicious files
21
Text files
25
Unknown types
11

Dropped files

PID
Process
Filename
Type
856iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157binary
MD5:—
SHA256:—
1936iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\77EC63BDA74BD0D0E0426DC8F8008506binary
MD5:—
SHA256:—
856iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Internet Explorer\Recovery\Active\{7206012B-7509-11ED-80DA-12A9866C77DE}.datbinary
MD5:—
SHA256:—
856iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\6BADA8974A10C4BD62CC921D13E43B18_1DC6D7385EA816C957BA2B715AC5C442binary
MD5:—
SHA256:—
856iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\Internet Explorer\Services\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.icoimage
MD5:DA597791BE3B6E732F0BC8B20E38EE62
SHA256:5B2C34B3C4E8DD898B664DBA6C3786E2FF9869EFF55D673AA48361F11325ED07
856iexplore.exeC:\Users\admin\AppData\Local\Temp\~DF7B234B88CB35ED90.TMPgmc
MD5:—
SHA256:—
1936iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\DY534W2X\cybtx[1].exeexecutable
MD5:—
SHA256:—
1936iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\103621DE9CD5414CC2538780B4B75751binary
MD5:—
SHA256:—
856iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Internet Explorer\Recovery\Active\{7B72CCF0-7509-11ED-80DA-12A9866C77DE}.datbinary
MD5:—
SHA256:—
1936iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\103621DE9CD5414CC2538780B4B75751der
MD5:EC8FF3B1DED0246437B1472C69DD1811
SHA256:E634C2D1ED20E0638C95597ADF4C9D392EBAB932D3353F18AF1E4421F4BB9CAB
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
7
TCP/UDP connections
35
DNS requests
15
Threats
1

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
856
iexplore.exe
GET
200
93.184.220.29:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTBL0V27RVZ7LBduom%2FnYB45SPUEwQU5Z1ZMIJHWMys%2BghUNoZ7OrUETfACEA8Ull8gIGmZT9XHrHiJQeI%3D
US
der
1.47 Kb
whitelisted
856
iexplore.exe
GET
200
93.184.220.29:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D
US
der
471 b
whitelisted
856
iexplore.exe
GET
200
41.63.96.0:80
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?a7a6c8dba93f5732
ZA
compressed
4.70 Kb
whitelisted
1936
iexplore.exe
GET
200
96.16.145.230:80
http://x1.c.lencr.org/
US
der
717 b
whitelisted
856
iexplore.exe
GET
200
93.184.220.29:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTBL0V27RVZ7LBduom%2FnYB45SPUEwQU5Z1ZMIJHWMys%2BghUNoZ7OrUETfACEA%2BnRyLFPYjID1ie%2Bx%2BdSjo%3D
US
der
1.47 Kb
whitelisted
856
iexplore.exe
GET
200
93.184.220.29:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEALnkXH7gCHpP%2BLZg4NMUMA%3D
US
der
471 b
whitelisted
1936
iexplore.exe
GET
200
93.184.221.240:80
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab?ef7a624d5211ae97
US
compressed
61.4 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
1936
iexplore.exe
96.16.145.230:80
x1.c.lencr.org
AKAMAI-AS
DE
suspicious
1936
iexplore.exe
93.184.221.240:80
ctldl.windowsupdate.com
EDGECAST
GB
whitelisted
1936
iexplore.exe
208.88.6.59:443
—
CIRRUSTECHLTD
CA
unknown
856
iexplore.exe
96.16.143.41:443
go.microsoft.com
AKAMAI-AS
DE
whitelisted
1684
ScreenConnect.ClientService.exe
139.178.89.208:443
instance-dlu8z8-relay.screenconnect.com
PACKET
US
unknown
856
iexplore.exe
204.79.197.200:443
www.bing.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted
856
iexplore.exe
93.184.220.29:80
ocsp.digicert.com
EDGECAST
GB
whitelisted
856
iexplore.exe
41.63.96.0:80
ctldl.windowsupdate.com
LLNW
ZA
suspicious
856
iexplore.exe
13.107.21.200:443
www.bing.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted
856
iexplore.exe
152.199.19.161:443
iecvlist.microsoft.com
EDGECAST
US
whitelisted

DNS requests

Domain
IP
Reputation
api.bing.com
  • 13.107.5.80
whitelisted
www.bing.com
  • 204.79.197.200
  • 13.107.21.200
whitelisted
ctldl.windowsupdate.com
  • 41.63.96.0
  • 41.63.96.128
  • 93.184.221.240
whitelisted
ocsp.digicert.com
  • 93.184.220.29
whitelisted
x1.c.lencr.org
  • 96.16.145.230
whitelisted
iecvlist.microsoft.com
  • 152.199.19.161
whitelisted
r20swj13mr.microsoft.com
  • 152.199.19.161
whitelisted
instance-dlu8z8-relay.screenconnect.com
  • 139.178.89.208
unknown
dns.msftncsi.com
  • 131.107.255.255
shared
ieonline.microsoft.com
  • 204.79.197.200
whitelisted

Threats

Found threats are available for the paid subscriptions
1 ETPRO signatures available at the full report
No debug info
Interactive malware hunting service ANY.RUN
© 2017-2026 ANY.RUN ALL RIGHTS RESERVED
ANY.RUN
Reports
https://victorleal.com/files/cybtx.exe