Analysis Overview
SHA256
9dd972c79408d0f2271ff0238645663d4db09f0b17a11d63a9be6535d3b0b685
Threat Level: Shows suspicious behavior
The file 9dd972c79408d0f2271ff0238645663d4db09f0b17a11d63a9be6535d3b0b685N 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 23:08
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-09 23:08
Reported
2024-11-09 23:10
Platform
win7-20240729-en
Max time kernel
119s
Max time network
16s
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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" | C:\Users\Admin\AppData\Local\Temp\9dd972c79408d0f2271ff0238645663d4db09f0b17a11d63a9be6535d3b0b685N.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\microsofthelp.exe | C:\Users\Admin\AppData\Local\Temp\9dd972c79408d0f2271ff0238645663d4db09f0b17a11d63a9be6535d3b0b685N.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\9dd972c79408d0f2271ff0238645663d4db09f0b17a11d63a9be6535d3b0b685N.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1508 wrote to memory of 2916 | N/A | C:\Users\Admin\AppData\Local\Temp\9dd972c79408d0f2271ff0238645663d4db09f0b17a11d63a9be6535d3b0b685N.exe | C:\Windows\microsofthelp.exe |
| PID 1508 wrote to memory of 2916 | N/A | C:\Users\Admin\AppData\Local\Temp\9dd972c79408d0f2271ff0238645663d4db09f0b17a11d63a9be6535d3b0b685N.exe | C:\Windows\microsofthelp.exe |
| PID 1508 wrote to memory of 2916 | N/A | C:\Users\Admin\AppData\Local\Temp\9dd972c79408d0f2271ff0238645663d4db09f0b17a11d63a9be6535d3b0b685N.exe | C:\Windows\microsofthelp.exe |
| PID 1508 wrote to memory of 2916 | N/A | C:\Users\Admin\AppData\Local\Temp\9dd972c79408d0f2271ff0238645663d4db09f0b17a11d63a9be6535d3b0b685N.exe | C:\Windows\microsofthelp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\9dd972c79408d0f2271ff0238645663d4db09f0b17a11d63a9be6535d3b0b685N.exe
"C:\Users\Admin\AppData\Local\Temp\9dd972c79408d0f2271ff0238645663d4db09f0b17a11d63a9be6535d3b0b685N.exe"
C:\Windows\microsofthelp.exe
"C:\Windows\microsofthelp.exe"
Network
Files
memory/1508-0-0x0000000000400000-0x0000000000403000-memory.dmp
memory/1508-6-0x0000000000400000-0x0000000000403000-memory.dmp
C:\Windows\microsofthelp.exe
| MD5 | 51d9df37e4f0314f6e53796e262c2893 |
| SHA1 | 807b35a6baccadb2fb0ac42e34d9a4d9602a12fe |
| SHA256 | 40c23cd82e88c205a5778cdd4cce32ca0af14269aa1ea8b0946bde7d05e5c242 |
| SHA512 | 3dffcfe1aa5cfb7c1c368ddde9b03d5d1e84512d1d364b9da813a52cde3a6168ecadcff74aa5c179e87ca0470ff99fad7ef5901bb414e8916b2b94202ca6d1c8 |
memory/2916-9-0x0000000000400000-0x0000000000403000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-09 23:08
Reported
2024-11-09 23:10
Platform
win10v2004-20241007-en
Max time kernel
119s
Max time network
97s
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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" | C:\Users\Admin\AppData\Local\Temp\9dd972c79408d0f2271ff0238645663d4db09f0b17a11d63a9be6535d3b0b685N.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\microsofthelp.exe | C:\Users\Admin\AppData\Local\Temp\9dd972c79408d0f2271ff0238645663d4db09f0b17a11d63a9be6535d3b0b685N.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\9dd972c79408d0f2271ff0238645663d4db09f0b17a11d63a9be6535d3b0b685N.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 2856 wrote to memory of 3980 | N/A | C:\Users\Admin\AppData\Local\Temp\9dd972c79408d0f2271ff0238645663d4db09f0b17a11d63a9be6535d3b0b685N.exe | C:\Windows\microsofthelp.exe |
| PID 2856 wrote to memory of 3980 | N/A | C:\Users\Admin\AppData\Local\Temp\9dd972c79408d0f2271ff0238645663d4db09f0b17a11d63a9be6535d3b0b685N.exe | C:\Windows\microsofthelp.exe |
| PID 2856 wrote to memory of 3980 | N/A | C:\Users\Admin\AppData\Local\Temp\9dd972c79408d0f2271ff0238645663d4db09f0b17a11d63a9be6535d3b0b685N.exe | C:\Windows\microsofthelp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\9dd972c79408d0f2271ff0238645663d4db09f0b17a11d63a9be6535d3b0b685N.exe
"C:\Users\Admin\AppData\Local\Temp\9dd972c79408d0f2271ff0238645663d4db09f0b17a11d63a9be6535d3b0b685N.exe"
C:\Windows\microsofthelp.exe
"C:\Windows\microsofthelp.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 74.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.31.126.40.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 | 212.20.149.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
Files
memory/2856-0-0x0000000000400000-0x0000000000403000-memory.dmp
C:\Windows\microsofthelp.exe
| MD5 | 51d9df37e4f0314f6e53796e262c2893 |
| SHA1 | 807b35a6baccadb2fb0ac42e34d9a4d9602a12fe |
| SHA256 | 40c23cd82e88c205a5778cdd4cce32ca0af14269aa1ea8b0946bde7d05e5c242 |
| SHA512 | 3dffcfe1aa5cfb7c1c368ddde9b03d5d1e84512d1d364b9da813a52cde3a6168ecadcff74aa5c179e87ca0470ff99fad7ef5901bb414e8916b2b94202ca6d1c8 |
memory/2856-4-0x0000000000400000-0x0000000000403000-memory.dmp
memory/3980-6-0x0000000000400000-0x0000000000403000-memory.dmp