Analysis Overview
SHA256
5e1ca32db24c875cdbf2b62d4024590c122dc3d1b5fa22e5d0124d1e5d49c9f3
Threat Level: Shows suspicious behavior
The file 5e1ca32db24c875cdbf2b62d4024590c122dc3d1b5fa22e5d0124d1e5d49c9f3.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
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-13 18:45
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-13 18:45
Reported
2024-11-13 18:47
Platform
win7-20240903-en
Max time kernel
119s
Max time network
117s
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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" | C:\Users\Admin\AppData\Local\Temp\5e1ca32db24c875cdbf2b62d4024590c122dc3d1b5fa22e5d0124d1e5d49c9f3.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\microsofthelp.exe | C:\Users\Admin\AppData\Local\Temp\5e1ca32db24c875cdbf2b62d4024590c122dc3d1b5fa22e5d0124d1e5d49c9f3.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\5e1ca32db24c875cdbf2b62d4024590c122dc3d1b5fa22e5d0124d1e5d49c9f3.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 812 wrote to memory of 2676 | N/A | C:\Users\Admin\AppData\Local\Temp\5e1ca32db24c875cdbf2b62d4024590c122dc3d1b5fa22e5d0124d1e5d49c9f3.exe | C:\Windows\microsofthelp.exe |
| PID 812 wrote to memory of 2676 | N/A | C:\Users\Admin\AppData\Local\Temp\5e1ca32db24c875cdbf2b62d4024590c122dc3d1b5fa22e5d0124d1e5d49c9f3.exe | C:\Windows\microsofthelp.exe |
| PID 812 wrote to memory of 2676 | N/A | C:\Users\Admin\AppData\Local\Temp\5e1ca32db24c875cdbf2b62d4024590c122dc3d1b5fa22e5d0124d1e5d49c9f3.exe | C:\Windows\microsofthelp.exe |
| PID 812 wrote to memory of 2676 | N/A | C:\Users\Admin\AppData\Local\Temp\5e1ca32db24c875cdbf2b62d4024590c122dc3d1b5fa22e5d0124d1e5d49c9f3.exe | C:\Windows\microsofthelp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\5e1ca32db24c875cdbf2b62d4024590c122dc3d1b5fa22e5d0124d1e5d49c9f3.exe
"C:\Users\Admin\AppData\Local\Temp\5e1ca32db24c875cdbf2b62d4024590c122dc3d1b5fa22e5d0124d1e5d49c9f3.exe"
C:\Windows\microsofthelp.exe
"C:\Windows\microsofthelp.exe"
Network
Files
memory/812-0-0x0000000000400000-0x0000000000403000-memory.dmp
memory/812-3-0x0000000000220000-0x0000000000223000-memory.dmp
C:\Windows\microsofthelp.exe
| MD5 | b21d72536eb283891eec91b291a1f55c |
| SHA1 | bccf0c0e4fd068767b91ec43d72974dc15b0d89c |
| SHA256 | a3ad21a53542929e4ca9cb61a99f2f4bff96db67603fd64025ee5ef3680843cb |
| SHA512 | 055e96f81500f9615bc94a56c6305406b82394da6f77ed674b9ee384c8006e8a754835229faf0a55ac4a30352dc9e8d91b9949240a58b2e26987820bb88522b3 |
memory/2676-9-0x0000000000400000-0x0000000000403000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-13 18:45
Reported
2024-11-13 18:47
Platform
win10v2004-20241007-en
Max time kernel
120s
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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" | C:\Users\Admin\AppData\Local\Temp\5e1ca32db24c875cdbf2b62d4024590c122dc3d1b5fa22e5d0124d1e5d49c9f3.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\microsofthelp.exe | C:\Users\Admin\AppData\Local\Temp\5e1ca32db24c875cdbf2b62d4024590c122dc3d1b5fa22e5d0124d1e5d49c9f3.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\5e1ca32db24c875cdbf2b62d4024590c122dc3d1b5fa22e5d0124d1e5d49c9f3.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 1476 wrote to memory of 4056 | N/A | C:\Users\Admin\AppData\Local\Temp\5e1ca32db24c875cdbf2b62d4024590c122dc3d1b5fa22e5d0124d1e5d49c9f3.exe | C:\Windows\microsofthelp.exe |
| PID 1476 wrote to memory of 4056 | N/A | C:\Users\Admin\AppData\Local\Temp\5e1ca32db24c875cdbf2b62d4024590c122dc3d1b5fa22e5d0124d1e5d49c9f3.exe | C:\Windows\microsofthelp.exe |
| PID 1476 wrote to memory of 4056 | N/A | C:\Users\Admin\AppData\Local\Temp\5e1ca32db24c875cdbf2b62d4024590c122dc3d1b5fa22e5d0124d1e5d49c9f3.exe | C:\Windows\microsofthelp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\5e1ca32db24c875cdbf2b62d4024590c122dc3d1b5fa22e5d0124d1e5d49c9f3.exe
"C:\Users\Admin\AppData\Local\Temp\5e1ca32db24c875cdbf2b62d4024590c122dc3d1b5fa22e5d0124d1e5d49c9f3.exe"
C:\Windows\microsofthelp.exe
"C:\Windows\microsofthelp.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 74.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.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 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.236.111.52.in-addr.arpa | udp |
Files
memory/1476-0-0x0000000000400000-0x0000000000403000-memory.dmp
C:\Windows\microsofthelp.exe
| MD5 | b21d72536eb283891eec91b291a1f55c |
| SHA1 | bccf0c0e4fd068767b91ec43d72974dc15b0d89c |
| SHA256 | a3ad21a53542929e4ca9cb61a99f2f4bff96db67603fd64025ee5ef3680843cb |
| SHA512 | 055e96f81500f9615bc94a56c6305406b82394da6f77ed674b9ee384c8006e8a754835229faf0a55ac4a30352dc9e8d91b9949240a58b2e26987820bb88522b3 |
memory/1476-3-0x0000000000400000-0x0000000000403000-memory.dmp
memory/4056-6-0x0000000000400000-0x0000000000403000-memory.dmp