Analysis Overview
SHA256
e7a2ae92cda0c07efb5ef96fbbffbfe3f9cd8d01351fa200ee976152ef631c6f
Threat Level: Shows suspicious behavior
The file 9706359ea464c5cf427ec56d6c6a07a3570117e77850ea5e9f259f6f10ffd6c8N.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
2024-11-13 17:45
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-13 17:45
Reported
2024-11-13 17:47
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\9706359ea464c5cf427ec56d6c6a07a3570117e77850ea5e9f259f6f10ffd6c8N.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\microsofthelp.exe | C:\Users\Admin\AppData\Local\Temp\9706359ea464c5cf427ec56d6c6a07a3570117e77850ea5e9f259f6f10ffd6c8N.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\9706359ea464c5cf427ec56d6c6a07a3570117e77850ea5e9f259f6f10ffd6c8N.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2532 wrote to memory of 2512 | N/A | C:\Users\Admin\AppData\Local\Temp\9706359ea464c5cf427ec56d6c6a07a3570117e77850ea5e9f259f6f10ffd6c8N.exe | C:\Windows\microsofthelp.exe |
| PID 2532 wrote to memory of 2512 | N/A | C:\Users\Admin\AppData\Local\Temp\9706359ea464c5cf427ec56d6c6a07a3570117e77850ea5e9f259f6f10ffd6c8N.exe | C:\Windows\microsofthelp.exe |
| PID 2532 wrote to memory of 2512 | N/A | C:\Users\Admin\AppData\Local\Temp\9706359ea464c5cf427ec56d6c6a07a3570117e77850ea5e9f259f6f10ffd6c8N.exe | C:\Windows\microsofthelp.exe |
| PID 2532 wrote to memory of 2512 | N/A | C:\Users\Admin\AppData\Local\Temp\9706359ea464c5cf427ec56d6c6a07a3570117e77850ea5e9f259f6f10ffd6c8N.exe | C:\Windows\microsofthelp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\9706359ea464c5cf427ec56d6c6a07a3570117e77850ea5e9f259f6f10ffd6c8N.exe
"C:\Users\Admin\AppData\Local\Temp\9706359ea464c5cf427ec56d6c6a07a3570117e77850ea5e9f259f6f10ffd6c8N.exe"
C:\Windows\microsofthelp.exe
"C:\Windows\microsofthelp.exe"
Network
Files
memory/2532-0-0x0000000000400000-0x000000000040E000-memory.dmp
C:\Windows\microsofthelp.exe
| MD5 | 63d92c4eb53ab828793b031f8c2f4b9d |
| SHA1 | c2c33730acaa09144c1f7d91734c439520f2dbdb |
| SHA256 | add830bf0b54c6fa43c60f543bd7c34c20a8853df94dc11ac25bd3a0fa82e0cf |
| SHA512 | 5ed79e6d60a57908dda83520e6ed1150afbe4632ef60ddb728225deff67a832905f2942de92eba26f198a9b383c5c441e25569906e633a5301be1f6f3b84d8cb |
memory/2532-7-0x0000000000400000-0x000000000040E000-memory.dmp
memory/2512-9-0x0000000000400000-0x000000000040E000-memory.dmp
memory/2512-11-0x0000000000400000-0x000000000040E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-13 17:45
Reported
2024-11-13 17:47
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\9706359ea464c5cf427ec56d6c6a07a3570117e77850ea5e9f259f6f10ffd6c8N.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\microsofthelp.exe | C:\Users\Admin\AppData\Local\Temp\9706359ea464c5cf427ec56d6c6a07a3570117e77850ea5e9f259f6f10ffd6c8N.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\9706359ea464c5cf427ec56d6c6a07a3570117e77850ea5e9f259f6f10ffd6c8N.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 5064 wrote to memory of 2580 | N/A | C:\Users\Admin\AppData\Local\Temp\9706359ea464c5cf427ec56d6c6a07a3570117e77850ea5e9f259f6f10ffd6c8N.exe | C:\Windows\microsofthelp.exe |
| PID 5064 wrote to memory of 2580 | N/A | C:\Users\Admin\AppData\Local\Temp\9706359ea464c5cf427ec56d6c6a07a3570117e77850ea5e9f259f6f10ffd6c8N.exe | C:\Windows\microsofthelp.exe |
| PID 5064 wrote to memory of 2580 | N/A | C:\Users\Admin\AppData\Local\Temp\9706359ea464c5cf427ec56d6c6a07a3570117e77850ea5e9f259f6f10ffd6c8N.exe | C:\Windows\microsofthelp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\9706359ea464c5cf427ec56d6c6a07a3570117e77850ea5e9f259f6f10ffd6c8N.exe
"C:\Users\Admin\AppData\Local\Temp\9706359ea464c5cf427ec56d6c6a07a3570117e77850ea5e9f259f6f10ffd6c8N.exe"
C:\Windows\microsofthelp.exe
"C:\Windows\microsofthelp.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 196.249.167.52.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 | 71.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 212.20.149.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.42.69.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.208.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
Files
memory/5064-0-0x0000000000400000-0x000000000040E000-memory.dmp
C:\Windows\microsofthelp.exe
| MD5 | 63d92c4eb53ab828793b031f8c2f4b9d |
| SHA1 | c2c33730acaa09144c1f7d91734c439520f2dbdb |
| SHA256 | add830bf0b54c6fa43c60f543bd7c34c20a8853df94dc11ac25bd3a0fa82e0cf |
| SHA512 | 5ed79e6d60a57908dda83520e6ed1150afbe4632ef60ddb728225deff67a832905f2942de92eba26f198a9b383c5c441e25569906e633a5301be1f6f3b84d8cb |
memory/5064-5-0x0000000000400000-0x000000000040E000-memory.dmp
memory/2580-6-0x0000000000400000-0x000000000040E000-memory.dmp