Analysis Overview
SHA256
24afa6498fd2205870491834ce41f9198c8999615fe53947a16a9a9b1fee358b
Threat Level: Shows suspicious behavior
The file da211c8878d1cb35bdc1e1befb68d6e9d8c57c6cc5616b6d765cc24c04bfc127N.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 08:20
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-13 08:20
Reported
2024-11-13 08:22
Platform
win10v2004-20241007-en
Max time kernel
119s
Max time network
99s
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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" | C:\Users\Admin\AppData\Local\Temp\da211c8878d1cb35bdc1e1befb68d6e9d8c57c6cc5616b6d765cc24c04bfc127N.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\microsofthelp.exe | C:\Users\Admin\AppData\Local\Temp\da211c8878d1cb35bdc1e1befb68d6e9d8c57c6cc5616b6d765cc24c04bfc127N.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\da211c8878d1cb35bdc1e1befb68d6e9d8c57c6cc5616b6d765cc24c04bfc127N.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 4468 wrote to memory of 4644 | N/A | C:\Users\Admin\AppData\Local\Temp\da211c8878d1cb35bdc1e1befb68d6e9d8c57c6cc5616b6d765cc24c04bfc127N.exe | C:\Windows\microsofthelp.exe |
| PID 4468 wrote to memory of 4644 | N/A | C:\Users\Admin\AppData\Local\Temp\da211c8878d1cb35bdc1e1befb68d6e9d8c57c6cc5616b6d765cc24c04bfc127N.exe | C:\Windows\microsofthelp.exe |
| PID 4468 wrote to memory of 4644 | N/A | C:\Users\Admin\AppData\Local\Temp\da211c8878d1cb35bdc1e1befb68d6e9d8c57c6cc5616b6d765cc24c04bfc127N.exe | C:\Windows\microsofthelp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\da211c8878d1cb35bdc1e1befb68d6e9d8c57c6cc5616b6d765cc24c04bfc127N.exe
"C:\Users\Admin\AppData\Local\Temp\da211c8878d1cb35bdc1e1befb68d6e9d8c57c6cc5616b6d765cc24c04bfc127N.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 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 197.87.175.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
Files
memory/4468-0-0x0000000000400000-0x000000000040F000-memory.dmp
C:\Windows\microsofthelp.exe
| MD5 | bed594b343adc9f9dbc6a823cf4f5f41 |
| SHA1 | 991c90a05e800413c787e6048200dc9a6a5d29bf |
| SHA256 | 74d9a1f9f5246fe1dadd60898f863dcb8d9ea106d74c42f28202e1a65bc7d12c |
| SHA512 | bbdf53a7f4a59afedb1f49e99696cd0f6cd146397b927dee7a489a82f48772f9d0ca082e9ed99a9936390002c9838426c3f02e0ecfdc292637757bc16ce2450f |
memory/4468-5-0x0000000000400000-0x000000000040F000-memory.dmp
memory/4644-6-0x0000000000400000-0x000000000040F000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-13 08:20
Reported
2024-11-13 08:22
Platform
win7-20240708-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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" | C:\Users\Admin\AppData\Local\Temp\da211c8878d1cb35bdc1e1befb68d6e9d8c57c6cc5616b6d765cc24c04bfc127N.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\microsofthelp.exe | C:\Users\Admin\AppData\Local\Temp\da211c8878d1cb35bdc1e1befb68d6e9d8c57c6cc5616b6d765cc24c04bfc127N.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\da211c8878d1cb35bdc1e1befb68d6e9d8c57c6cc5616b6d765cc24c04bfc127N.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1728 wrote to memory of 1528 | N/A | C:\Users\Admin\AppData\Local\Temp\da211c8878d1cb35bdc1e1befb68d6e9d8c57c6cc5616b6d765cc24c04bfc127N.exe | C:\Windows\microsofthelp.exe |
| PID 1728 wrote to memory of 1528 | N/A | C:\Users\Admin\AppData\Local\Temp\da211c8878d1cb35bdc1e1befb68d6e9d8c57c6cc5616b6d765cc24c04bfc127N.exe | C:\Windows\microsofthelp.exe |
| PID 1728 wrote to memory of 1528 | N/A | C:\Users\Admin\AppData\Local\Temp\da211c8878d1cb35bdc1e1befb68d6e9d8c57c6cc5616b6d765cc24c04bfc127N.exe | C:\Windows\microsofthelp.exe |
| PID 1728 wrote to memory of 1528 | N/A | C:\Users\Admin\AppData\Local\Temp\da211c8878d1cb35bdc1e1befb68d6e9d8c57c6cc5616b6d765cc24c04bfc127N.exe | C:\Windows\microsofthelp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\da211c8878d1cb35bdc1e1befb68d6e9d8c57c6cc5616b6d765cc24c04bfc127N.exe
"C:\Users\Admin\AppData\Local\Temp\da211c8878d1cb35bdc1e1befb68d6e9d8c57c6cc5616b6d765cc24c04bfc127N.exe"
C:\Windows\microsofthelp.exe
"C:\Windows\microsofthelp.exe"
Network
Files
memory/1728-0-0x0000000000400000-0x000000000040F000-memory.dmp
memory/1728-6-0x0000000000400000-0x000000000040F000-memory.dmp
C:\Windows\microsofthelp.exe
| MD5 | bed594b343adc9f9dbc6a823cf4f5f41 |
| SHA1 | 991c90a05e800413c787e6048200dc9a6a5d29bf |
| SHA256 | 74d9a1f9f5246fe1dadd60898f863dcb8d9ea106d74c42f28202e1a65bc7d12c |
| SHA512 | bbdf53a7f4a59afedb1f49e99696cd0f6cd146397b927dee7a489a82f48772f9d0ca082e9ed99a9936390002c9838426c3f02e0ecfdc292637757bc16ce2450f |
memory/1528-8-0x0000000000400000-0x000000000040F000-memory.dmp
memory/1528-10-0x0000000000400000-0x000000000040F000-memory.dmp