Analysis Overview
SHA256
1c5a1884ab0155a4cdede6719a40268f0304cdbf810e935c3e17ba0eb00087d4
Threat Level: Shows suspicious behavior
The file c2ab1fc2692afbbd91806c4ad1181b8fca71e25b361c1942bcb40a476f3ec93fN.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 13:53
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-12 13:53
Reported
2024-11-12 13:55
Platform
win7-20240903-en
Max time kernel
119s
Max time network
17s
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\c2ab1fc2692afbbd91806c4ad1181b8fca71e25b361c1942bcb40a476f3ec93fN.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\microsofthelp.exe | C:\Users\Admin\AppData\Local\Temp\c2ab1fc2692afbbd91806c4ad1181b8fca71e25b361c1942bcb40a476f3ec93fN.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\c2ab1fc2692afbbd91806c4ad1181b8fca71e25b361c1942bcb40a476f3ec93fN.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1088 wrote to memory of 2724 | N/A | C:\Users\Admin\AppData\Local\Temp\c2ab1fc2692afbbd91806c4ad1181b8fca71e25b361c1942bcb40a476f3ec93fN.exe | C:\Windows\microsofthelp.exe |
| PID 1088 wrote to memory of 2724 | N/A | C:\Users\Admin\AppData\Local\Temp\c2ab1fc2692afbbd91806c4ad1181b8fca71e25b361c1942bcb40a476f3ec93fN.exe | C:\Windows\microsofthelp.exe |
| PID 1088 wrote to memory of 2724 | N/A | C:\Users\Admin\AppData\Local\Temp\c2ab1fc2692afbbd91806c4ad1181b8fca71e25b361c1942bcb40a476f3ec93fN.exe | C:\Windows\microsofthelp.exe |
| PID 1088 wrote to memory of 2724 | N/A | C:\Users\Admin\AppData\Local\Temp\c2ab1fc2692afbbd91806c4ad1181b8fca71e25b361c1942bcb40a476f3ec93fN.exe | C:\Windows\microsofthelp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\c2ab1fc2692afbbd91806c4ad1181b8fca71e25b361c1942bcb40a476f3ec93fN.exe
"C:\Users\Admin\AppData\Local\Temp\c2ab1fc2692afbbd91806c4ad1181b8fca71e25b361c1942bcb40a476f3ec93fN.exe"
C:\Windows\microsofthelp.exe
"C:\Windows\microsofthelp.exe"
Network
Files
memory/1088-0-0x0000000000400000-0x0000000000403000-memory.dmp
memory/1088-6-0x0000000000400000-0x0000000000403000-memory.dmp
C:\Windows\microsofthelp.exe
| MD5 | 57614107f64fc86308dc0c3a1f529741 |
| SHA1 | a65e314f2b82c61455439b31f1c62d90bbe44de8 |
| SHA256 | 2e151ebebec2d40c4887b36ed3b3fffc489e8eb3100ea5445423788ee08feb36 |
| SHA512 | dbbc86bd3a5eb2e2ca619db7c308a90846815620507644278659f0b6ade562077873e966404edf4cc3c3d8566bb1e40b7e44c27443b3413040706789ec52298d |
memory/2724-9-0x0000000000400000-0x0000000000403000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-12 13:53
Reported
2024-11-12 13:55
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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" | C:\Users\Admin\AppData\Local\Temp\c2ab1fc2692afbbd91806c4ad1181b8fca71e25b361c1942bcb40a476f3ec93fN.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\microsofthelp.exe | C:\Users\Admin\AppData\Local\Temp\c2ab1fc2692afbbd91806c4ad1181b8fca71e25b361c1942bcb40a476f3ec93fN.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\c2ab1fc2692afbbd91806c4ad1181b8fca71e25b361c1942bcb40a476f3ec93fN.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 2432 wrote to memory of 2724 | N/A | C:\Users\Admin\AppData\Local\Temp\c2ab1fc2692afbbd91806c4ad1181b8fca71e25b361c1942bcb40a476f3ec93fN.exe | C:\Windows\microsofthelp.exe |
| PID 2432 wrote to memory of 2724 | N/A | C:\Users\Admin\AppData\Local\Temp\c2ab1fc2692afbbd91806c4ad1181b8fca71e25b361c1942bcb40a476f3ec93fN.exe | C:\Windows\microsofthelp.exe |
| PID 2432 wrote to memory of 2724 | N/A | C:\Users\Admin\AppData\Local\Temp\c2ab1fc2692afbbd91806c4ad1181b8fca71e25b361c1942bcb40a476f3ec93fN.exe | C:\Windows\microsofthelp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\c2ab1fc2692afbbd91806c4ad1181b8fca71e25b361c1942bcb40a476f3ec93fN.exe
"C:\Users\Admin\AppData\Local\Temp\c2ab1fc2692afbbd91806c4ad1181b8fca71e25b361c1942bcb40a476f3ec93fN.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 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 98.117.19.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
Files
memory/2432-0-0x0000000000400000-0x0000000000403000-memory.dmp
memory/2432-5-0x0000000000400000-0x0000000000403000-memory.dmp
C:\Windows\microsofthelp.exe
| MD5 | 57614107f64fc86308dc0c3a1f529741 |
| SHA1 | a65e314f2b82c61455439b31f1c62d90bbe44de8 |
| SHA256 | 2e151ebebec2d40c4887b36ed3b3fffc489e8eb3100ea5445423788ee08feb36 |
| SHA512 | dbbc86bd3a5eb2e2ca619db7c308a90846815620507644278659f0b6ade562077873e966404edf4cc3c3d8566bb1e40b7e44c27443b3413040706789ec52298d |
memory/2724-6-0x0000000000400000-0x0000000000403000-memory.dmp
memory/2724-7-0x0000000000400000-0x0000000000403000-memory.dmp