Analysis Overview
SHA256
a8f60587f0610a0d584d8c763675f88c6b9d9ad804c674ae6c4e7a1e449dea9d
Threat Level: Shows suspicious behavior
The file a8f60587f0610a0d584d8c763675f88c6b9d9ad804c674ae6c4e7a1e449dea9dN 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
2024-11-09 22:40
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-09 22:40
Reported
2024-11-09 22:42
Platform
win7-20241010-en
Max time kernel
120s
Max time network
124s
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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" | C:\Users\Admin\AppData\Local\Temp\a8f60587f0610a0d584d8c763675f88c6b9d9ad804c674ae6c4e7a1e449dea9dN.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\microsofthelp.exe | C:\Users\Admin\AppData\Local\Temp\a8f60587f0610a0d584d8c763675f88c6b9d9ad804c674ae6c4e7a1e449dea9dN.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\a8f60587f0610a0d584d8c763675f88c6b9d9ad804c674ae6c4e7a1e449dea9dN.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2128 wrote to memory of 2496 | N/A | C:\Users\Admin\AppData\Local\Temp\a8f60587f0610a0d584d8c763675f88c6b9d9ad804c674ae6c4e7a1e449dea9dN.exe | C:\Windows\microsofthelp.exe |
| PID 2128 wrote to memory of 2496 | N/A | C:\Users\Admin\AppData\Local\Temp\a8f60587f0610a0d584d8c763675f88c6b9d9ad804c674ae6c4e7a1e449dea9dN.exe | C:\Windows\microsofthelp.exe |
| PID 2128 wrote to memory of 2496 | N/A | C:\Users\Admin\AppData\Local\Temp\a8f60587f0610a0d584d8c763675f88c6b9d9ad804c674ae6c4e7a1e449dea9dN.exe | C:\Windows\microsofthelp.exe |
| PID 2128 wrote to memory of 2496 | N/A | C:\Users\Admin\AppData\Local\Temp\a8f60587f0610a0d584d8c763675f88c6b9d9ad804c674ae6c4e7a1e449dea9dN.exe | C:\Windows\microsofthelp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\a8f60587f0610a0d584d8c763675f88c6b9d9ad804c674ae6c4e7a1e449dea9dN.exe
"C:\Users\Admin\AppData\Local\Temp\a8f60587f0610a0d584d8c763675f88c6b9d9ad804c674ae6c4e7a1e449dea9dN.exe"
C:\Windows\microsofthelp.exe
"C:\Windows\microsofthelp.exe"
Network
Files
memory/2128-0-0x0000000000400000-0x000000000040E000-memory.dmp
C:\Windows\microsofthelp.exe
| MD5 | eb10dcecddf0f0df5f1a4f1900ec262c |
| SHA1 | b5d0f7edc807cef0d9a5f6401142e8325ad7dc72 |
| SHA256 | fa44cfc13545c6f8f7f0a78e886b06d701f66716c5660c25b116c0ab2b6d7900 |
| SHA512 | 83bc6821efb6dc3468e5a3333f347364d95713b759898efa106b55bfa1e4bc2d115c52415f538bde592fd5b9e1681a1fffd11b5bc9a3767a915174258dab8ef2 |
memory/2128-7-0x0000000000400000-0x000000000040E000-memory.dmp
memory/2496-10-0x0000000000400000-0x000000000040E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-09 22:40
Reported
2024-11-09 22:42
Platform
win10v2004-20241007-en
Max time kernel
119s
Max time network
94s
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\a8f60587f0610a0d584d8c763675f88c6b9d9ad804c674ae6c4e7a1e449dea9dN.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\a8f60587f0610a0d584d8c763675f88c6b9d9ad804c674ae6c4e7a1e449dea9dN.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\a8f60587f0610a0d584d8c763675f88c6b9d9ad804c674ae6c4e7a1e449dea9dN.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 1100 wrote to memory of 2208 | N/A | C:\Users\Admin\AppData\Local\Temp\a8f60587f0610a0d584d8c763675f88c6b9d9ad804c674ae6c4e7a1e449dea9dN.exe | C:\Windows\microsofthelp.exe |
| PID 1100 wrote to memory of 2208 | N/A | C:\Users\Admin\AppData\Local\Temp\a8f60587f0610a0d584d8c763675f88c6b9d9ad804c674ae6c4e7a1e449dea9dN.exe | C:\Windows\microsofthelp.exe |
| PID 1100 wrote to memory of 2208 | N/A | C:\Users\Admin\AppData\Local\Temp\a8f60587f0610a0d584d8c763675f88c6b9d9ad804c674ae6c4e7a1e449dea9dN.exe | C:\Windows\microsofthelp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\a8f60587f0610a0d584d8c763675f88c6b9d9ad804c674ae6c4e7a1e449dea9dN.exe
"C:\Users\Admin\AppData\Local\Temp\a8f60587f0610a0d584d8c763675f88c6b9d9ad804c674ae6c4e7a1e449dea9dN.exe"
C:\Windows\microsofthelp.exe
"C:\Windows\microsofthelp.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 20.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 53.210.109.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
Files
memory/1100-0-0x0000000000400000-0x000000000040E000-memory.dmp
C:\Windows\microsofthelp.exe
| MD5 | eb10dcecddf0f0df5f1a4f1900ec262c |
| SHA1 | b5d0f7edc807cef0d9a5f6401142e8325ad7dc72 |
| SHA256 | fa44cfc13545c6f8f7f0a78e886b06d701f66716c5660c25b116c0ab2b6d7900 |
| SHA512 | 83bc6821efb6dc3468e5a3333f347364d95713b759898efa106b55bfa1e4bc2d115c52415f538bde592fd5b9e1681a1fffd11b5bc9a3767a915174258dab8ef2 |
memory/1100-5-0x0000000000400000-0x000000000040E000-memory.dmp
memory/2208-7-0x0000000000400000-0x000000000040E000-memory.dmp
memory/2208-8-0x0000000000400000-0x000000000040E000-memory.dmp