Analysis Overview
SHA256
ea35ea80dd0d5b93a0b71b5b5a62b79a134a9cd22c5f015b63d5e1eb02e7d5bb
Threat Level: Shows suspicious behavior
The file ea35ea80dd0d5b93a0b71b5b5a62b79a134a9cd22c5f015b63d5e1eb02e7d5bb.exe was found to be: Shows suspicious behavior.
Malicious Activity Summary
Deletes itself
Executes dropped EXE
Adds Run key to start application
Drops file in Windows directory
System Location Discovery: System Language Discovery
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-12 14:10
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-12 14:10
Reported
2024-11-12 14:12
Platform
win7-20240903-en
Max time kernel
119s
Max time network
17s
Command Line
Signatures
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\microsofthelp.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\microsofthelp.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" | C:\Users\Admin\AppData\Local\Temp\ea35ea80dd0d5b93a0b71b5b5a62b79a134a9cd22c5f015b63d5e1eb02e7d5bb.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\HidePlugin.dll | C:\Windows\microsofthelp.exe | N/A |
| File created | C:\Windows\microsofthelp.exe | C:\Users\Admin\AppData\Local\Temp\ea35ea80dd0d5b93a0b71b5b5a62b79a134a9cd22c5f015b63d5e1eb02e7d5bb.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\ea35ea80dd0d5b93a0b71b5b5a62b79a134a9cd22c5f015b63d5e1eb02e7d5bb.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2696 wrote to memory of 2916 | N/A | C:\Users\Admin\AppData\Local\Temp\ea35ea80dd0d5b93a0b71b5b5a62b79a134a9cd22c5f015b63d5e1eb02e7d5bb.exe | C:\Windows\microsofthelp.exe |
| PID 2696 wrote to memory of 2916 | N/A | C:\Users\Admin\AppData\Local\Temp\ea35ea80dd0d5b93a0b71b5b5a62b79a134a9cd22c5f015b63d5e1eb02e7d5bb.exe | C:\Windows\microsofthelp.exe |
| PID 2696 wrote to memory of 2916 | N/A | C:\Users\Admin\AppData\Local\Temp\ea35ea80dd0d5b93a0b71b5b5a62b79a134a9cd22c5f015b63d5e1eb02e7d5bb.exe | C:\Windows\microsofthelp.exe |
| PID 2696 wrote to memory of 2916 | N/A | C:\Users\Admin\AppData\Local\Temp\ea35ea80dd0d5b93a0b71b5b5a62b79a134a9cd22c5f015b63d5e1eb02e7d5bb.exe | C:\Windows\microsofthelp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\ea35ea80dd0d5b93a0b71b5b5a62b79a134a9cd22c5f015b63d5e1eb02e7d5bb.exe
"C:\Users\Admin\AppData\Local\Temp\ea35ea80dd0d5b93a0b71b5b5a62b79a134a9cd22c5f015b63d5e1eb02e7d5bb.exe"
C:\Windows\microsofthelp.exe
"C:\Windows\microsofthelp.exe"
Network
Files
memory/2696-0-0x0000000000400000-0x000000000040F000-memory.dmp
memory/2696-3-0x00000000002A0000-0x00000000002AF000-memory.dmp
C:\Windows\microsofthelp.exe
| MD5 | ebd7e248522026a7cef46c808fd8f106 |
| SHA1 | 9361dad3b4398a1eba142c22d1b329d3fb2de8a8 |
| SHA256 | 66220d9ddbc3ec562f35039b0fba65393fbfb42e2a7c6eff0a10a3c38d7244ef |
| SHA512 | 43e5a7401fa6bf07015a220044a2dd5920618d707401c18e41c145a5a290f675c5d0d882a8fb90507ea45a2e4132eff2390cf8102e580bddc67347c28f369cf4 |
memory/2916-8-0x0000000000400000-0x000000000040F000-memory.dmp
memory/2916-10-0x0000000000400000-0x000000000040F000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-12 14:10
Reported
2024-11-12 14:12
Platform
win10v2004-20241007-en
Max time kernel
119s
Max time network
101s
Command Line
Signatures
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\microsofthelp.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\microsofthelp.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" | C:\Users\Admin\AppData\Local\Temp\ea35ea80dd0d5b93a0b71b5b5a62b79a134a9cd22c5f015b63d5e1eb02e7d5bb.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\microsofthelp.exe | C:\Users\Admin\AppData\Local\Temp\ea35ea80dd0d5b93a0b71b5b5a62b79a134a9cd22c5f015b63d5e1eb02e7d5bb.exe | N/A |
| File created | C:\Windows\HidePlugin.dll | C:\Windows\microsofthelp.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\ea35ea80dd0d5b93a0b71b5b5a62b79a134a9cd22c5f015b63d5e1eb02e7d5bb.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\microsofthelp.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3272 wrote to memory of 2148 | N/A | C:\Users\Admin\AppData\Local\Temp\ea35ea80dd0d5b93a0b71b5b5a62b79a134a9cd22c5f015b63d5e1eb02e7d5bb.exe | C:\Windows\microsofthelp.exe |
| PID 3272 wrote to memory of 2148 | N/A | C:\Users\Admin\AppData\Local\Temp\ea35ea80dd0d5b93a0b71b5b5a62b79a134a9cd22c5f015b63d5e1eb02e7d5bb.exe | C:\Windows\microsofthelp.exe |
| PID 3272 wrote to memory of 2148 | N/A | C:\Users\Admin\AppData\Local\Temp\ea35ea80dd0d5b93a0b71b5b5a62b79a134a9cd22c5f015b63d5e1eb02e7d5bb.exe | C:\Windows\microsofthelp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\ea35ea80dd0d5b93a0b71b5b5a62b79a134a9cd22c5f015b63d5e1eb02e7d5bb.exe
"C:\Users\Admin\AppData\Local\Temp\ea35ea80dd0d5b93a0b71b5b5a62b79a134a9cd22c5f015b63d5e1eb02e7d5bb.exe"
C:\Windows\microsofthelp.exe
"C:\Windows\microsofthelp.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 53.210.109.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 98.117.19.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
Files
memory/3272-0-0x0000000000400000-0x000000000040F000-memory.dmp
C:\Windows\microsofthelp.exe
| MD5 | ebd7e248522026a7cef46c808fd8f106 |
| SHA1 | 9361dad3b4398a1eba142c22d1b329d3fb2de8a8 |
| SHA256 | 66220d9ddbc3ec562f35039b0fba65393fbfb42e2a7c6eff0a10a3c38d7244ef |
| SHA512 | 43e5a7401fa6bf07015a220044a2dd5920618d707401c18e41c145a5a290f675c5d0d882a8fb90507ea45a2e4132eff2390cf8102e580bddc67347c28f369cf4 |
memory/3272-4-0x0000000000400000-0x000000000040F000-memory.dmp
memory/2148-6-0x0000000000400000-0x000000000040F000-memory.dmp