Analysis Overview
SHA256
d3a0e46dd708e300cc134bc5081fabb7f7af1f162a17212eaa9428afa85b6373
Threat Level: Shows suspicious behavior
The file 90186660223b10689995f99b9ec1b245 was found to be: Shows suspicious behavior.
Malicious Activity Summary
Checks computer location settings
Deletes itself
Installs/modifies Browser Helper Object
Drops file in System32 directory
Unsigned PE
Enumerates physical storage devices
Modifies Internet Explorer settings
Suspicious use of WriteProcessMemory
Modifies registry class
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-02-04 20:36
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-02-04 20:36
Reported
2024-02-04 20:38
Platform
win7-20231215-en
Max time kernel
117s
Max time network
121s
Command Line
Signatures
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Installs/modifies Browser Helper Object
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects | C:\Users\Admin\AppData\Local\Temp\90186660223b10689995f99b9ec1b245.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{FFFFFFFF-D71D-41e4-A699-F506DBD097F0} | C:\Users\Admin\AppData\Local\Temp\90186660223b10689995f99b9ec1b245.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\duis.txt | C:\Users\Admin\AppData\Local\Temp\90186660223b10689995f99b9ec1b245.exe | N/A |
| File created | C:\Windows\SysWOW64\msindc.dll | C:\Users\Admin\AppData\Local\Temp\90186660223b10689995f99b9ec1b245.exe | N/A |
Enumerates physical storage devices
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Main\Enable Browser Extensions = "yes" | C:\Users\Admin\AppData\Local\Temp\90186660223b10689995f99b9ec1b245.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{FFFFFFFF-D71D-41e4-A699-F506DBD097F0} | C:\Users\Admin\AppData\Local\Temp\90186660223b10689995f99b9ec1b245.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{FFFFFFFF-D71D-41e4-A699-F506DBD097F0}\ = "Min stor proj." | C:\Users\Admin\AppData\Local\Temp\90186660223b10689995f99b9ec1b245.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{FFFFFFFF-D71D-41e4-A699-F506DBD097F0}\InprocServer32 | C:\Users\Admin\AppData\Local\Temp\90186660223b10689995f99b9ec1b245.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{FFFFFFFF-D71D-41e4-A699-F506DBD097F0}\InprocServer32\ThreadingModel = "Apartment" | C:\Users\Admin\AppData\Local\Temp\90186660223b10689995f99b9ec1b245.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{FFFFFFFF-D71D-41e4-A699-F506DBD097F0}\InprocServer32\ = "msindc.dll" | C:\Users\Admin\AppData\Local\Temp\90186660223b10689995f99b9ec1b245.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{FFFFFFFF-D71D-41e4-A699-F506DBD097F0}\ProgID | C:\Users\Admin\AppData\Local\Temp\90186660223b10689995f99b9ec1b245.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{FFFFFFFF-D71D-41e4-A699-F506DBD097F0}\ProgID\ = "RITLAB.1" | C:\Users\Admin\AppData\Local\Temp\90186660223b10689995f99b9ec1b245.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{FFFFFFFF-D71D-41e4-A699-F506DBD097F0}\TypeLib | C:\Users\Admin\AppData\Local\Temp\90186660223b10689995f99b9ec1b245.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{FFFFFFFF-D71D-41e4-A699-F506DBD097F0}\TypeLib\ = "{58886F37-3533-445c-9D8F-9AF55A6DE1C5}" | C:\Users\Admin\AppData\Local\Temp\90186660223b10689995f99b9ec1b245.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1888 wrote to memory of 2748 | N/A | C:\Users\Admin\AppData\Local\Temp\90186660223b10689995f99b9ec1b245.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1888 wrote to memory of 2748 | N/A | C:\Users\Admin\AppData\Local\Temp\90186660223b10689995f99b9ec1b245.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1888 wrote to memory of 2748 | N/A | C:\Users\Admin\AppData\Local\Temp\90186660223b10689995f99b9ec1b245.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1888 wrote to memory of 2748 | N/A | C:\Users\Admin\AppData\Local\Temp\90186660223b10689995f99b9ec1b245.exe | C:\Windows\SysWOW64\cmd.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\90186660223b10689995f99b9ec1b245.exe
"C:\Users\Admin\AppData\Local\Temp\90186660223b10689995f99b9ec1b245.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\901866~1.EXE >> NUL
Network
Files
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-04 20:36
Reported
2024-02-04 20:38
Platform
win10v2004-20231215-en
Max time kernel
141s
Max time network
155s
Command Line
Signatures
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\90186660223b10689995f99b9ec1b245.exe | N/A |
Installs/modifies Browser Helper Object
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects | C:\Users\Admin\AppData\Local\Temp\90186660223b10689995f99b9ec1b245.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{FFFFFFFF-D71D-41e4-A699-F506DBD097F0} | C:\Users\Admin\AppData\Local\Temp\90186660223b10689995f99b9ec1b245.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\duis.txt | C:\Users\Admin\AppData\Local\Temp\90186660223b10689995f99b9ec1b245.exe | N/A |
| File created | C:\Windows\SysWOW64\msindc.dll | C:\Users\Admin\AppData\Local\Temp\90186660223b10689995f99b9ec1b245.exe | N/A |
Enumerates physical storage devices
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Enable Browser Extensions = "yes" | C:\Users\Admin\AppData\Local\Temp\90186660223b10689995f99b9ec1b245.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FFFFFFFF-D71D-41e4-A699-F506DBD097F0}\InprocServer32\ThreadingModel = "Apartment" | C:\Users\Admin\AppData\Local\Temp\90186660223b10689995f99b9ec1b245.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FFFFFFFF-D71D-41e4-A699-F506DBD097F0}\TypeLib\ = "{58886F37-3533-445c-9D8F-9AF55A6DE1C5}" | C:\Users\Admin\AppData\Local\Temp\90186660223b10689995f99b9ec1b245.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FFFFFFFF-D71D-41e4-A699-F506DBD097F0}\InprocServer32\ = "msindc.dll" | C:\Users\Admin\AppData\Local\Temp\90186660223b10689995f99b9ec1b245.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FFFFFFFF-D71D-41e4-A699-F506DBD097F0}\ = "Min stor proj." | C:\Users\Admin\AppData\Local\Temp\90186660223b10689995f99b9ec1b245.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FFFFFFFF-D71D-41e4-A699-F506DBD097F0}\InprocServer32 | C:\Users\Admin\AppData\Local\Temp\90186660223b10689995f99b9ec1b245.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FFFFFFFF-D71D-41e4-A699-F506DBD097F0}\ProgID | C:\Users\Admin\AppData\Local\Temp\90186660223b10689995f99b9ec1b245.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FFFFFFFF-D71D-41e4-A699-F506DBD097F0}\ProgID\ = "RITLAB.1" | C:\Users\Admin\AppData\Local\Temp\90186660223b10689995f99b9ec1b245.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FFFFFFFF-D71D-41e4-A699-F506DBD097F0}\TypeLib | C:\Users\Admin\AppData\Local\Temp\90186660223b10689995f99b9ec1b245.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FFFFFFFF-D71D-41e4-A699-F506DBD097F0} | C:\Users\Admin\AppData\Local\Temp\90186660223b10689995f99b9ec1b245.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1720 wrote to memory of 4088 | N/A | C:\Users\Admin\AppData\Local\Temp\90186660223b10689995f99b9ec1b245.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1720 wrote to memory of 4088 | N/A | C:\Users\Admin\AppData\Local\Temp\90186660223b10689995f99b9ec1b245.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1720 wrote to memory of 4088 | N/A | C:\Users\Admin\AppData\Local\Temp\90186660223b10689995f99b9ec1b245.exe | C:\Windows\SysWOW64\cmd.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\90186660223b10689995f99b9ec1b245.exe
"C:\Users\Admin\AppData\Local\Temp\90186660223b10689995f99b9ec1b245.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\901866~1.EXE >> NUL
Network
| Country | Destination | Domain | Proto |
| NL | 52.142.223.178:80 | tcp | |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 186.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.160.77.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 150.1.37.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.171.91.138.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 181.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 182.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 27.73.42.20.in-addr.arpa | udp |