Analysis Overview
SHA256
6f342178a7c3ea36660c688ee3803139481f8d9c703850e373c029eed4b6ee4a
Threat Level: Shows suspicious behavior
The file 6f342178a7c3ea36660c688ee3803139481f8d9c703850e373c029eed4b6ee4a was found to be: Shows suspicious behavior.
Malicious Activity Summary
Executes dropped EXE
Deletes itself
Adds Run key to start application
Drops file in Windows directory
System Location Discovery: System Language Discovery
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-09 23:14
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-09 23:14
Reported
2024-11-09 23:16
Platform
win7-20240729-en
Max time kernel
149s
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\6f342178a7c3ea36660c688ee3803139481f8d9c703850e373c029eed4b6ee4a.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\microsofthelp.exe | C:\Users\Admin\AppData\Local\Temp\6f342178a7c3ea36660c688ee3803139481f8d9c703850e373c029eed4b6ee4a.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\6f342178a7c3ea36660c688ee3803139481f8d9c703850e373c029eed4b6ee4a.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2380 wrote to memory of 2612 | N/A | C:\Users\Admin\AppData\Local\Temp\6f342178a7c3ea36660c688ee3803139481f8d9c703850e373c029eed4b6ee4a.exe | C:\Windows\microsofthelp.exe |
| PID 2380 wrote to memory of 2612 | N/A | C:\Users\Admin\AppData\Local\Temp\6f342178a7c3ea36660c688ee3803139481f8d9c703850e373c029eed4b6ee4a.exe | C:\Windows\microsofthelp.exe |
| PID 2380 wrote to memory of 2612 | N/A | C:\Users\Admin\AppData\Local\Temp\6f342178a7c3ea36660c688ee3803139481f8d9c703850e373c029eed4b6ee4a.exe | C:\Windows\microsofthelp.exe |
| PID 2380 wrote to memory of 2612 | N/A | C:\Users\Admin\AppData\Local\Temp\6f342178a7c3ea36660c688ee3803139481f8d9c703850e373c029eed4b6ee4a.exe | C:\Windows\microsofthelp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\6f342178a7c3ea36660c688ee3803139481f8d9c703850e373c029eed4b6ee4a.exe
"C:\Users\Admin\AppData\Local\Temp\6f342178a7c3ea36660c688ee3803139481f8d9c703850e373c029eed4b6ee4a.exe"
C:\Windows\microsofthelp.exe
"C:\Windows\microsofthelp.exe"
Network
Files
memory/2380-0-0x0000000000400000-0x000000000040D000-memory.dmp
memory/2380-6-0x0000000000400000-0x000000000040D000-memory.dmp
C:\Windows\microsofthelp.exe
| MD5 | b62869470ed03d976cf0c336d9bb1921 |
| SHA1 | c88a983d8363bf7457ec0ebe0b2783f0462e3571 |
| SHA256 | 87a4f5459599b8d87ac348e1e6c9be2b6053be5e5872a82c19bf8453ca0df845 |
| SHA512 | 8ea1c12b3818985bb85460161e569c8861dcd4b69124214a3ff69f59ee52ade768505119fd30f71235fa5bb1c5d8b925c14636c0a7cf00178dac0c5e07fdbafa |
memory/2612-8-0x0000000000400000-0x000000000040D000-memory.dmp
memory/2612-10-0x0000000000400000-0x000000000040D000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-09 23:14
Reported
2024-11-09 23:16
Platform
win10v2004-20241007-en
Max time kernel
149s
Max time network
151s
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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" | C:\Users\Admin\AppData\Local\Temp\6f342178a7c3ea36660c688ee3803139481f8d9c703850e373c029eed4b6ee4a.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\microsofthelp.exe | C:\Users\Admin\AppData\Local\Temp\6f342178a7c3ea36660c688ee3803139481f8d9c703850e373c029eed4b6ee4a.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\6f342178a7c3ea36660c688ee3803139481f8d9c703850e373c029eed4b6ee4a.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 3472 wrote to memory of 2364 | N/A | C:\Users\Admin\AppData\Local\Temp\6f342178a7c3ea36660c688ee3803139481f8d9c703850e373c029eed4b6ee4a.exe | C:\Windows\microsofthelp.exe |
| PID 3472 wrote to memory of 2364 | N/A | C:\Users\Admin\AppData\Local\Temp\6f342178a7c3ea36660c688ee3803139481f8d9c703850e373c029eed4b6ee4a.exe | C:\Windows\microsofthelp.exe |
| PID 3472 wrote to memory of 2364 | N/A | C:\Users\Admin\AppData\Local\Temp\6f342178a7c3ea36660c688ee3803139481f8d9c703850e373c029eed4b6ee4a.exe | C:\Windows\microsofthelp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\6f342178a7c3ea36660c688ee3803139481f8d9c703850e373c029eed4b6ee4a.exe
"C:\Users\Admin\AppData\Local\Temp\6f342178a7c3ea36660c688ee3803139481f8d9c703850e373c029eed4b6ee4a.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 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 138.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 212.20.149.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 98.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
Files
memory/3472-0-0x0000000000400000-0x000000000040D000-memory.dmp
C:\Windows\microsofthelp.exe
| MD5 | b62869470ed03d976cf0c336d9bb1921 |
| SHA1 | c88a983d8363bf7457ec0ebe0b2783f0462e3571 |
| SHA256 | 87a4f5459599b8d87ac348e1e6c9be2b6053be5e5872a82c19bf8453ca0df845 |
| SHA512 | 8ea1c12b3818985bb85460161e569c8861dcd4b69124214a3ff69f59ee52ade768505119fd30f71235fa5bb1c5d8b925c14636c0a7cf00178dac0c5e07fdbafa |
memory/3472-4-0x0000000000400000-0x000000000040D000-memory.dmp
memory/2364-6-0x0000000000400000-0x000000000040D000-memory.dmp