Analysis Overview
SHA256
e588fe9e28e78e525e7e045122ff008fd8c66e2fb46dbd52c5a7375c8f9b244c
Threat Level: Shows suspicious behavior
The file 6603a331616cec25b0e9b4d0be4d1cb356553f5ebd62d65f948ca9faa25f593fN.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 12:11
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-12 12:11
Reported
2024-11-12 12:13
Platform
win7-20240903-en
Max time kernel
119s
Max time network
120s
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\6603a331616cec25b0e9b4d0be4d1cb356553f5ebd62d65f948ca9faa25f593fN.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\microsofthelp.exe | C:\Users\Admin\AppData\Local\Temp\6603a331616cec25b0e9b4d0be4d1cb356553f5ebd62d65f948ca9faa25f593fN.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\6603a331616cec25b0e9b4d0be4d1cb356553f5ebd62d65f948ca9faa25f593fN.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1876 wrote to memory of 2416 | N/A | C:\Users\Admin\AppData\Local\Temp\6603a331616cec25b0e9b4d0be4d1cb356553f5ebd62d65f948ca9faa25f593fN.exe | C:\Windows\microsofthelp.exe |
| PID 1876 wrote to memory of 2416 | N/A | C:\Users\Admin\AppData\Local\Temp\6603a331616cec25b0e9b4d0be4d1cb356553f5ebd62d65f948ca9faa25f593fN.exe | C:\Windows\microsofthelp.exe |
| PID 1876 wrote to memory of 2416 | N/A | C:\Users\Admin\AppData\Local\Temp\6603a331616cec25b0e9b4d0be4d1cb356553f5ebd62d65f948ca9faa25f593fN.exe | C:\Windows\microsofthelp.exe |
| PID 1876 wrote to memory of 2416 | N/A | C:\Users\Admin\AppData\Local\Temp\6603a331616cec25b0e9b4d0be4d1cb356553f5ebd62d65f948ca9faa25f593fN.exe | C:\Windows\microsofthelp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\6603a331616cec25b0e9b4d0be4d1cb356553f5ebd62d65f948ca9faa25f593fN.exe
"C:\Users\Admin\AppData\Local\Temp\6603a331616cec25b0e9b4d0be4d1cb356553f5ebd62d65f948ca9faa25f593fN.exe"
C:\Windows\microsofthelp.exe
"C:\Windows\microsofthelp.exe"
Network
Files
memory/1876-0-0x0000000000400000-0x000000000040E000-memory.dmp
C:\Windows\microsofthelp.exe
| MD5 | 32a336435e7063a3e3ef79ae96b00cfd |
| SHA1 | cade3d3f5bd1f4666c68fcfdde2e0a6abaf3628a |
| SHA256 | 8641cb57e5fbe33df7eff8eaed0bf39cc833a8dc98593afc69e37b5345d05b9a |
| SHA512 | c2597c61c76dcbb1c996e2f2f85e251c395c75a44d20252e36e7b1bf00b8563ac52471c21b5b3c85faf52f696261a8766d47388288e23f2982332a8f5f3c5969 |
memory/2416-9-0x0000000000400000-0x000000000040E000-memory.dmp
memory/1876-7-0x0000000000400000-0x000000000040E000-memory.dmp
memory/2416-11-0x0000000000400000-0x000000000040E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-12 12:11
Reported
2024-11-12 12:13
Platform
win10v2004-20241007-en
Max time kernel
119s
Max time network
96s
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\6603a331616cec25b0e9b4d0be4d1cb356553f5ebd62d65f948ca9faa25f593fN.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\microsofthelp.exe | C:\Users\Admin\AppData\Local\Temp\6603a331616cec25b0e9b4d0be4d1cb356553f5ebd62d65f948ca9faa25f593fN.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\6603a331616cec25b0e9b4d0be4d1cb356553f5ebd62d65f948ca9faa25f593fN.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 4644 wrote to memory of 1456 | N/A | C:\Users\Admin\AppData\Local\Temp\6603a331616cec25b0e9b4d0be4d1cb356553f5ebd62d65f948ca9faa25f593fN.exe | C:\Windows\microsofthelp.exe |
| PID 4644 wrote to memory of 1456 | N/A | C:\Users\Admin\AppData\Local\Temp\6603a331616cec25b0e9b4d0be4d1cb356553f5ebd62d65f948ca9faa25f593fN.exe | C:\Windows\microsofthelp.exe |
| PID 4644 wrote to memory of 1456 | N/A | C:\Users\Admin\AppData\Local\Temp\6603a331616cec25b0e9b4d0be4d1cb356553f5ebd62d65f948ca9faa25f593fN.exe | C:\Windows\microsofthelp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\6603a331616cec25b0e9b4d0be4d1cb356553f5ebd62d65f948ca9faa25f593fN.exe
"C:\Users\Admin\AppData\Local\Temp\6603a331616cec25b0e9b4d0be4d1cb356553f5ebd62d65f948ca9faa25f593fN.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 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.163.245.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 101.208.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
Files
memory/4644-0-0x0000000000400000-0x000000000040E000-memory.dmp
C:\Windows\microsofthelp.exe
| MD5 | 32a336435e7063a3e3ef79ae96b00cfd |
| SHA1 | cade3d3f5bd1f4666c68fcfdde2e0a6abaf3628a |
| SHA256 | 8641cb57e5fbe33df7eff8eaed0bf39cc833a8dc98593afc69e37b5345d05b9a |
| SHA512 | c2597c61c76dcbb1c996e2f2f85e251c395c75a44d20252e36e7b1bf00b8563ac52471c21b5b3c85faf52f696261a8766d47388288e23f2982332a8f5f3c5969 |
memory/1456-7-0x0000000000400000-0x000000000040E000-memory.dmp
memory/4644-6-0x0000000000400000-0x000000000040E000-memory.dmp
memory/1456-8-0x0000000000400000-0x000000000040E000-memory.dmp