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

    • Loads dropped or rewritten executable

      • rundll32.exe (PID: 1588)
      • MsiExec.exe (PID: 3876)
      • ScreenConnect.ClientService.exe (PID: 1684)
      • ScreenConnect.WindowsClient.exe (PID: 2728)
      • ScreenConnect.WindowsClient.exe (PID: 2056)
    • Application was dropped or rewritten from another process

      • cybtx.exe (PID: 920)
      • cybtx.exe (PID: 2504)
      • ScreenConnect.WindowsClient.exe (PID: 2728)
      • ScreenConnect.ClientService.exe (PID: 1684)
      • ScreenConnect.WindowsClient.exe (PID: 2056)
    • Creates a writable file the system directory

      • ScreenConnect.ClientService.exe (PID: 1684)
  • SUSPICIOUS

    • Searches for installed software

      • msiexec.exe (PID: 340)
    • Reads the Internet Settings

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

      • msiexec.exe (PID: 340)
    • Executes as Windows Service

      • vssvc.exe (PID: 2768)
      • ScreenConnect.ClientService.exe (PID: 1684)
    • Uses RUNDLL32.EXE to load library

      • MsiExec.exe (PID: 3876)
    • Changes default file association

      • msiexec.exe (PID: 340)
    • Creates a software uninstall entry

      • msiexec.exe (PID: 340)
    • Creates or modifies Windows services

      • ScreenConnect.ClientService.exe (PID: 1684)
  • 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.WindowsClient.exe (PID: 2728)
      • ScreenConnect.ClientService.exe (PID: 1684)
      • ScreenConnect.WindowsClient.exe (PID: 2056)
    • Executable content was dropped or overwritten

      • msiexec.exe (PID: 340)
      • rundll32.exe (PID: 1588)
    • Drops the executable file immediately after the start

      • rundll32.exe (PID: 1588)
      • msiexec.exe (PID: 340)
    • Modifies the phishing filter of IE

      • iexplore.exe (PID: 856)
    • Application launched itself

      • iexplore.exe (PID: 856)
    • Drops a file that was compiled in debug mode

      • msiexec.exe (PID: 340)
    • Reads Environment values

      • ScreenConnect.ClientService.exe (PID: 1684)
    • Reads the CPU's name

      • ScreenConnect.WindowsClient.exe (PID: 2056)
    • Reads CPU info

      • ScreenConnect.WindowsClient.exe (PID: 2056)
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
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
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
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
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.exeiexplore.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
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
3264"C:\Windows\System32\msiexec.exe" /i "C:\Users\admin\AppData\Local\Temp\setup.msi"C:\Windows\System32\msiexec.execybtx.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
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\kernelbase.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\system32\gdi32.dll
c:\windows\system32\user32.dll
340C:\Windows\system32\msiexec.exe /VC:\Windows\system32\msiexec.exe
services.exe
User:
SYSTEM
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Windows® installer
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
3876C:\Windows\system32\MsiExec.exe -Embedding 18D027741B5724C238D97DCEB2890EDC CC:\Windows\system32\MsiExec.exemsiexec.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
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\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.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
2768C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exeservices.exe
User:
SYSTEM
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Microsoft® Volume Shadow Copy Service
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\vssvc.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\user32.dll
c:\windows\system32\gdi32.dll
3552C:\Windows\system32\MsiExec.exe -Embedding 6E2496C71115275EAD99FC1828B205A5C:\Windows\system32\MsiExec.exemsiexec.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
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\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\msiexec.exe
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.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
MD5:48E96137DCBF963DB30BB32150F945F0
SHA256:EE58DBBD3E3AC5CFD6BA476125A5554A85A0524994CB8FC1B4FDE8177BD35BA6
856iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\B6QGX7LP\favicon[1].icoimage
MD5:DA597791BE3B6E732F0BC8B20E38EE62
SHA256:5B2C34B3C4E8DD898B664DBA6C3786E2FF9869EFF55D673AA48361F11325ED07
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\Microsoft\Windows\Temporary Internet Files\Content.IE5\PO2HN1X2\favicon[1].icoimage
MD5:DA597791BE3B6E732F0BC8B20E38EE62
SHA256:5B2C34B3C4E8DD898B664DBA6C3786E2FF9869EFF55D673AA48361F11325ED07
1936iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\77EC63BDA74BD0D0E0426DC8F8008506compressed
MD5:FC4666CBCA561E864E7FDF883A9E6661
SHA256:10F3DEB6C452D749A7451B5D065F4C0449737E5EE8A44F4D15844B503141E65B
856iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\6BADA8974A10C4BD62CC921D13E43B18_1DC6D7385EA816C957BA2B715AC5C442der
MD5:503AD061073A29CEE4CB12D552F6A5B3
SHA256:D2A97423F8B71CA1DAAC39F8A037DCA022303C1ADFBD49995EFF3B36AFFF33F9
856iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\6BADA8974A10C4BD62CC921D13E43B18_1DC6D7385EA816C957BA2B715AC5C442binary
MD5:72110F094A29A968353A3C61FEE72EE6
SHA256:4269E32EDBFDA6C08F45EC057CD7E54E5A4B429C7A653FEF3DA51A0E14538488
856iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157compressed
MD5:F7DCB24540769805E5BB30D193944DCE
SHA256:6B88C6AC55BBD6FEA0EBE5A760D1AD2CFCE251C59D0151A1400701CB927E36EA
1936iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\77EC63BDA74BD0D0E0426DC8F8008506binary
MD5:3BF7F69583DA8ECE028201474A452C3A
SHA256:2496BE2180CE46E04612CCCA8FEE23116B93461EDC2F7FA331C49C78F2612E2F
1936iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\103621DE9CD5414CC2538780B4B75751binary
MD5:00F8EDB03B3DACA541CA1EA3A3A004CC
SHA256:DF9ECB9D9659898E24AA4994319C302D5F88E670C44416AC98ADB01808F2637D
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%2BghUNoZ7OrUETfACEA%2BnRyLFPYjID1ie%2Bx%2BdSjo%3D
US
der
1.47 Kb
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/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%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
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
856
iexplore.exe
GET
200
93.184.220.29:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTBL0V27RVZ7LBduom%2FnYB45SPUEwQU5Z1ZMIJHWMys%2BghUNoZ7OrUETfACEA8Ull8gIGmZT9XHrHiJQeI%3D
US
der
1.47 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
208.88.6.59:443
CIRRUSTECHLTD
CA
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
13.107.21.200:443
www.bing.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted
856
iexplore.exe
41.63.96.0:80
ctldl.windowsupdate.com
LLNW
ZA
suspicious
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
856
iexplore.exe
152.199.19.161:443
iecvlist.microsoft.com
EDGECAST
US
whitelisted
1684
ScreenConnect.ClientService.exe
139.178.89.208:443
instance-dlu8z8-relay.screenconnect.com
PACKET
US
unknown
856
iexplore.exe
96.16.143.41:443
go.microsoft.com
AKAMAI-AS
DE
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