Analysis Overview
SHA256
786e6873b020f7b3cf9b3ceecb7f102b9b36395afaf20953477659e3eea4b375
Threat Level: Shows suspicious behavior
The file 786e6873b020f7b3cf9b3ceecb7f102b9b36395afaf20953477659e3eea4b375N 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 22:18
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-09 22:18
Reported
2024-11-09 22:20
Platform
win7-20240903-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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" | C:\Users\Admin\AppData\Local\Temp\786e6873b020f7b3cf9b3ceecb7f102b9b36395afaf20953477659e3eea4b375N.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\microsofthelp.exe | C:\Users\Admin\AppData\Local\Temp\786e6873b020f7b3cf9b3ceecb7f102b9b36395afaf20953477659e3eea4b375N.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\786e6873b020f7b3cf9b3ceecb7f102b9b36395afaf20953477659e3eea4b375N.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2640 wrote to memory of 1780 | N/A | C:\Users\Admin\AppData\Local\Temp\786e6873b020f7b3cf9b3ceecb7f102b9b36395afaf20953477659e3eea4b375N.exe | C:\Windows\microsofthelp.exe |
| PID 2640 wrote to memory of 1780 | N/A | C:\Users\Admin\AppData\Local\Temp\786e6873b020f7b3cf9b3ceecb7f102b9b36395afaf20953477659e3eea4b375N.exe | C:\Windows\microsofthelp.exe |
| PID 2640 wrote to memory of 1780 | N/A | C:\Users\Admin\AppData\Local\Temp\786e6873b020f7b3cf9b3ceecb7f102b9b36395afaf20953477659e3eea4b375N.exe | C:\Windows\microsofthelp.exe |
| PID 2640 wrote to memory of 1780 | N/A | C:\Users\Admin\AppData\Local\Temp\786e6873b020f7b3cf9b3ceecb7f102b9b36395afaf20953477659e3eea4b375N.exe | C:\Windows\microsofthelp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\786e6873b020f7b3cf9b3ceecb7f102b9b36395afaf20953477659e3eea4b375N.exe
"C:\Users\Admin\AppData\Local\Temp\786e6873b020f7b3cf9b3ceecb7f102b9b36395afaf20953477659e3eea4b375N.exe"
C:\Windows\microsofthelp.exe
"C:\Windows\microsofthelp.exe"
Network
Files
memory/2640-0-0x0000000000400000-0x0000000000403000-memory.dmp
C:\Windows\microsofthelp.exe
| MD5 | 52049498a223916b0cabf5d129451b06 |
| SHA1 | 9263ae2d0a8551f28f431cd2c8523ed4802552e4 |
| SHA256 | da4b7819cd7b7d6644f99084b92eb270fcac4f496f3144fe0068b66dc60419e5 |
| SHA512 | 9ecbf4635037362d7c77876385c8e5a40fcf05d4b51e3b4696063cf2261bb3e8734befd137cef2d0a1d7e215821e8d79419855b15f62642b4c2ec38cdf447fd3 |
memory/2640-3-0x00000000001B0000-0x00000000001B3000-memory.dmp
memory/1780-8-0x0000000000400000-0x0000000000403000-memory.dmp
memory/1780-10-0x0000000000400000-0x0000000000403000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-09 22:18
Reported
2024-11-09 22:20
Platform
win10v2004-20241007-en
Max time kernel
119s
Max time network
95s
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\786e6873b020f7b3cf9b3ceecb7f102b9b36395afaf20953477659e3eea4b375N.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\microsofthelp.exe | C:\Users\Admin\AppData\Local\Temp\786e6873b020f7b3cf9b3ceecb7f102b9b36395afaf20953477659e3eea4b375N.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\microsofthelp.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\786e6873b020f7b3cf9b3ceecb7f102b9b36395afaf20953477659e3eea4b375N.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1000 wrote to memory of 3820 | N/A | C:\Users\Admin\AppData\Local\Temp\786e6873b020f7b3cf9b3ceecb7f102b9b36395afaf20953477659e3eea4b375N.exe | C:\Windows\microsofthelp.exe |
| PID 1000 wrote to memory of 3820 | N/A | C:\Users\Admin\AppData\Local\Temp\786e6873b020f7b3cf9b3ceecb7f102b9b36395afaf20953477659e3eea4b375N.exe | C:\Windows\microsofthelp.exe |
| PID 1000 wrote to memory of 3820 | N/A | C:\Users\Admin\AppData\Local\Temp\786e6873b020f7b3cf9b3ceecb7f102b9b36395afaf20953477659e3eea4b375N.exe | C:\Windows\microsofthelp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\786e6873b020f7b3cf9b3ceecb7f102b9b36395afaf20953477659e3eea4b375N.exe
"C:\Users\Admin\AppData\Local\Temp\786e6873b020f7b3cf9b3ceecb7f102b9b36395afaf20953477659e3eea4b375N.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 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | udp |
Files
memory/1000-0-0x0000000000400000-0x0000000000403000-memory.dmp
C:\Windows\microsofthelp.exe
| MD5 | 52049498a223916b0cabf5d129451b06 |
| SHA1 | 9263ae2d0a8551f28f431cd2c8523ed4802552e4 |
| SHA256 | da4b7819cd7b7d6644f99084b92eb270fcac4f496f3144fe0068b66dc60419e5 |
| SHA512 | 9ecbf4635037362d7c77876385c8e5a40fcf05d4b51e3b4696063cf2261bb3e8734befd137cef2d0a1d7e215821e8d79419855b15f62642b4c2ec38cdf447fd3 |
memory/1000-4-0x0000000000400000-0x0000000000403000-memory.dmp
memory/3820-6-0x0000000000400000-0x0000000000403000-memory.dmp