Analysis Overview
SHA256
f4697f6b22d0b23fd1acd67a5fb52b34cecd91125594f5a9ffe37b060f1ff9be
Threat Level: Shows suspicious behavior
The file f4697f6b22d0b23fd1acd67a5fb52b34cecd91125594f5a9ffe37b060f1ff9be.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
2024-11-12 11:56
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-12 11:56
Reported
2024-11-12 11:58
Platform
win7-20240903-en
Max time kernel
119s
Max time network
119s
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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" | C:\Users\Admin\AppData\Local\Temp\f4697f6b22d0b23fd1acd67a5fb52b34cecd91125594f5a9ffe37b060f1ff9be.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\microsofthelp.exe | C:\Users\Admin\AppData\Local\Temp\f4697f6b22d0b23fd1acd67a5fb52b34cecd91125594f5a9ffe37b060f1ff9be.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\f4697f6b22d0b23fd1acd67a5fb52b34cecd91125594f5a9ffe37b060f1ff9be.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1632 wrote to memory of 2540 | N/A | C:\Users\Admin\AppData\Local\Temp\f4697f6b22d0b23fd1acd67a5fb52b34cecd91125594f5a9ffe37b060f1ff9be.exe | C:\Windows\microsofthelp.exe |
| PID 1632 wrote to memory of 2540 | N/A | C:\Users\Admin\AppData\Local\Temp\f4697f6b22d0b23fd1acd67a5fb52b34cecd91125594f5a9ffe37b060f1ff9be.exe | C:\Windows\microsofthelp.exe |
| PID 1632 wrote to memory of 2540 | N/A | C:\Users\Admin\AppData\Local\Temp\f4697f6b22d0b23fd1acd67a5fb52b34cecd91125594f5a9ffe37b060f1ff9be.exe | C:\Windows\microsofthelp.exe |
| PID 1632 wrote to memory of 2540 | N/A | C:\Users\Admin\AppData\Local\Temp\f4697f6b22d0b23fd1acd67a5fb52b34cecd91125594f5a9ffe37b060f1ff9be.exe | C:\Windows\microsofthelp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\f4697f6b22d0b23fd1acd67a5fb52b34cecd91125594f5a9ffe37b060f1ff9be.exe
"C:\Users\Admin\AppData\Local\Temp\f4697f6b22d0b23fd1acd67a5fb52b34cecd91125594f5a9ffe37b060f1ff9be.exe"
C:\Windows\microsofthelp.exe
"C:\Windows\microsofthelp.exe"
Network
Files
memory/1632-0-0x0000000000400000-0x000000000040E000-memory.dmp
C:\Windows\microsofthelp.exe
| MD5 | 78eb46c4e0f521b169bf23cd6c1fd5a0 |
| SHA1 | 51e8eb50ab26cfdbc853262c422bcdd56d225f93 |
| SHA256 | 8371c8862290ccbb084743433361395a4adf2aa6dbf21ac7b9cbe323e69c1ef0 |
| SHA512 | 93f9165b64446f30ad8d84bd492b40460d51ee3ad7411c2a8fad1c59722610e3e89c1b79910629e26ddafd7cfb6da659057bf747f1dcba66ec2b6ecb7d28858f |
memory/1632-7-0x0000000000400000-0x000000000040E000-memory.dmp
memory/2540-10-0x0000000000400000-0x000000000040E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-12 11:56
Reported
2024-11-12 11:58
Platform
win10v2004-20241007-en
Max time kernel
119s
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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" | C:\Users\Admin\AppData\Local\Temp\f4697f6b22d0b23fd1acd67a5fb52b34cecd91125594f5a9ffe37b060f1ff9be.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\microsofthelp.exe | C:\Users\Admin\AppData\Local\Temp\f4697f6b22d0b23fd1acd67a5fb52b34cecd91125594f5a9ffe37b060f1ff9be.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\f4697f6b22d0b23fd1acd67a5fb52b34cecd91125594f5a9ffe37b060f1ff9be.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 4676 wrote to memory of 4032 | N/A | C:\Users\Admin\AppData\Local\Temp\f4697f6b22d0b23fd1acd67a5fb52b34cecd91125594f5a9ffe37b060f1ff9be.exe | C:\Windows\microsofthelp.exe |
| PID 4676 wrote to memory of 4032 | N/A | C:\Users\Admin\AppData\Local\Temp\f4697f6b22d0b23fd1acd67a5fb52b34cecd91125594f5a9ffe37b060f1ff9be.exe | C:\Windows\microsofthelp.exe |
| PID 4676 wrote to memory of 4032 | N/A | C:\Users\Admin\AppData\Local\Temp\f4697f6b22d0b23fd1acd67a5fb52b34cecd91125594f5a9ffe37b060f1ff9be.exe | C:\Windows\microsofthelp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\f4697f6b22d0b23fd1acd67a5fb52b34cecd91125594f5a9ffe37b060f1ff9be.exe
"C:\Users\Admin\AppData\Local\Temp\f4697f6b22d0b23fd1acd67a5fb52b34cecd91125594f5a9ffe37b060f1ff9be.exe"
C:\Windows\microsofthelp.exe
"C:\Windows\microsofthelp.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 4.159.190.20.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 | 200.163.202.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
Files
memory/4676-0-0x0000000000400000-0x000000000040E000-memory.dmp
memory/4676-4-0x0000000000400000-0x000000000040E000-memory.dmp
C:\Windows\microsofthelp.exe
| MD5 | 78eb46c4e0f521b169bf23cd6c1fd5a0 |
| SHA1 | 51e8eb50ab26cfdbc853262c422bcdd56d225f93 |
| SHA256 | 8371c8862290ccbb084743433361395a4adf2aa6dbf21ac7b9cbe323e69c1ef0 |
| SHA512 | 93f9165b64446f30ad8d84bd492b40460d51ee3ad7411c2a8fad1c59722610e3e89c1b79910629e26ddafd7cfb6da659057bf747f1dcba66ec2b6ecb7d28858f |
memory/4032-7-0x0000000000400000-0x000000000040E000-memory.dmp