Analysis Overview
SHA256
644366cd0fd6ccb041e6a7a07ec77147318022b25b882bef66ac31176a134ac2
Threat Level: Shows suspicious behavior
The file 644366cd0fd6ccb041e6a7a07ec77147318022b25b882bef66ac31176a134ac2.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 18:37
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-13 18:37
Reported
2024-11-13 18:39
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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" | C:\Users\Admin\AppData\Local\Temp\644366cd0fd6ccb041e6a7a07ec77147318022b25b882bef66ac31176a134ac2.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\microsofthelp.exe | C:\Users\Admin\AppData\Local\Temp\644366cd0fd6ccb041e6a7a07ec77147318022b25b882bef66ac31176a134ac2.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\644366cd0fd6ccb041e6a7a07ec77147318022b25b882bef66ac31176a134ac2.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2196 wrote to memory of 1364 | N/A | C:\Users\Admin\AppData\Local\Temp\644366cd0fd6ccb041e6a7a07ec77147318022b25b882bef66ac31176a134ac2.exe | C:\Windows\microsofthelp.exe |
| PID 2196 wrote to memory of 1364 | N/A | C:\Users\Admin\AppData\Local\Temp\644366cd0fd6ccb041e6a7a07ec77147318022b25b882bef66ac31176a134ac2.exe | C:\Windows\microsofthelp.exe |
| PID 2196 wrote to memory of 1364 | N/A | C:\Users\Admin\AppData\Local\Temp\644366cd0fd6ccb041e6a7a07ec77147318022b25b882bef66ac31176a134ac2.exe | C:\Windows\microsofthelp.exe |
| PID 2196 wrote to memory of 1364 | N/A | C:\Users\Admin\AppData\Local\Temp\644366cd0fd6ccb041e6a7a07ec77147318022b25b882bef66ac31176a134ac2.exe | C:\Windows\microsofthelp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\644366cd0fd6ccb041e6a7a07ec77147318022b25b882bef66ac31176a134ac2.exe
"C:\Users\Admin\AppData\Local\Temp\644366cd0fd6ccb041e6a7a07ec77147318022b25b882bef66ac31176a134ac2.exe"
C:\Windows\microsofthelp.exe
"C:\Windows\microsofthelp.exe"
Network
Files
memory/2196-0-0x0000000000400000-0x0000000000403000-memory.dmp
C:\Windows\microsofthelp.exe
| MD5 | 7ee3a85d53b89bae46f7de4e3881f623 |
| SHA1 | 3216be58edd72a44aa5140cd7aa2f5d7c89036c2 |
| SHA256 | 7729ffc16230f95c2bd6b6adcd5a83757cbd898cc1bc8e52e87c5a06cfa0233b |
| SHA512 | ed0967eeedac3010e34d6872a1c27c551854e66e129f28284edc65825c0a9ef99c0f4eda15a8f4e4d93a2045e92c4e9587625a839be1c4ea977c1d0be6e5d33e |
memory/2196-6-0x00000000001B0000-0x00000000001B3000-memory.dmp
memory/2196-7-0x0000000000400000-0x0000000000403000-memory.dmp
memory/1364-10-0x0000000000400000-0x0000000000403000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-13 18:37
Reported
2024-11-13 18:39
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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" | C:\Users\Admin\AppData\Local\Temp\644366cd0fd6ccb041e6a7a07ec77147318022b25b882bef66ac31176a134ac2.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\microsofthelp.exe | C:\Users\Admin\AppData\Local\Temp\644366cd0fd6ccb041e6a7a07ec77147318022b25b882bef66ac31176a134ac2.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\644366cd0fd6ccb041e6a7a07ec77147318022b25b882bef66ac31176a134ac2.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 2884 wrote to memory of 1100 | N/A | C:\Users\Admin\AppData\Local\Temp\644366cd0fd6ccb041e6a7a07ec77147318022b25b882bef66ac31176a134ac2.exe | C:\Windows\microsofthelp.exe |
| PID 2884 wrote to memory of 1100 | N/A | C:\Users\Admin\AppData\Local\Temp\644366cd0fd6ccb041e6a7a07ec77147318022b25b882bef66ac31176a134ac2.exe | C:\Windows\microsofthelp.exe |
| PID 2884 wrote to memory of 1100 | N/A | C:\Users\Admin\AppData\Local\Temp\644366cd0fd6ccb041e6a7a07ec77147318022b25b882bef66ac31176a134ac2.exe | C:\Windows\microsofthelp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\644366cd0fd6ccb041e6a7a07ec77147318022b25b882bef66ac31176a134ac2.exe
"C:\Users\Admin\AppData\Local\Temp\644366cd0fd6ccb041e6a7a07ec77147318022b25b882bef66ac31176a134ac2.exe"
C:\Windows\microsofthelp.exe
"C:\Windows\microsofthelp.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.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 | 75.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 197.87.175.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
Files
memory/2884-0-0x0000000000400000-0x0000000000403000-memory.dmp
C:\Windows\microsofthelp.exe
| MD5 | 7ee3a85d53b89bae46f7de4e3881f623 |
| SHA1 | 3216be58edd72a44aa5140cd7aa2f5d7c89036c2 |
| SHA256 | 7729ffc16230f95c2bd6b6adcd5a83757cbd898cc1bc8e52e87c5a06cfa0233b |
| SHA512 | ed0967eeedac3010e34d6872a1c27c551854e66e129f28284edc65825c0a9ef99c0f4eda15a8f4e4d93a2045e92c4e9587625a839be1c4ea977c1d0be6e5d33e |
memory/2884-4-0x0000000000400000-0x0000000000403000-memory.dmp
memory/1100-6-0x0000000000400000-0x0000000000403000-memory.dmp