Analysis Overview
SHA256
5ecea845563fcc83f6de359a5944f4ca533ee04b918814232e6623ef864a6ee1
Threat Level: Shows suspicious behavior
The file 5ecea845563fcc83f6de359a5944f4ca533ee04b918814232e6623ef864a6ee1 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
2024-11-09 22:44
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-09 22:44
Reported
2024-11-09 22:47
Platform
win7-20240729-en
Max time kernel
149s
Max time network
126s
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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" | C:\Users\Admin\AppData\Local\Temp\5ecea845563fcc83f6de359a5944f4ca533ee04b918814232e6623ef864a6ee1.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\microsofthelp.exe | C:\Users\Admin\AppData\Local\Temp\5ecea845563fcc83f6de359a5944f4ca533ee04b918814232e6623ef864a6ee1.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\5ecea845563fcc83f6de359a5944f4ca533ee04b918814232e6623ef864a6ee1.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2916 wrote to memory of 2528 | N/A | C:\Users\Admin\AppData\Local\Temp\5ecea845563fcc83f6de359a5944f4ca533ee04b918814232e6623ef864a6ee1.exe | C:\Windows\microsofthelp.exe |
| PID 2916 wrote to memory of 2528 | N/A | C:\Users\Admin\AppData\Local\Temp\5ecea845563fcc83f6de359a5944f4ca533ee04b918814232e6623ef864a6ee1.exe | C:\Windows\microsofthelp.exe |
| PID 2916 wrote to memory of 2528 | N/A | C:\Users\Admin\AppData\Local\Temp\5ecea845563fcc83f6de359a5944f4ca533ee04b918814232e6623ef864a6ee1.exe | C:\Windows\microsofthelp.exe |
| PID 2916 wrote to memory of 2528 | N/A | C:\Users\Admin\AppData\Local\Temp\5ecea845563fcc83f6de359a5944f4ca533ee04b918814232e6623ef864a6ee1.exe | C:\Windows\microsofthelp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\5ecea845563fcc83f6de359a5944f4ca533ee04b918814232e6623ef864a6ee1.exe
"C:\Users\Admin\AppData\Local\Temp\5ecea845563fcc83f6de359a5944f4ca533ee04b918814232e6623ef864a6ee1.exe"
C:\Windows\microsofthelp.exe
"C:\Windows\microsofthelp.exe"
Network
Files
memory/2916-0-0x0000000000400000-0x000000000040E000-memory.dmp
C:\Windows\microsofthelp.exe
| MD5 | bfb7d7bb5703108adde3d5fbcccd997f |
| SHA1 | e04bdc10978b2742ea628da67e99cc3c434f9641 |
| SHA256 | 2f5d01d2a07127c0e552e438675392785484c6da82b287f735a9febf1590afaf |
| SHA512 | 5396591f9176ef907340e6c672a2923cf7e994e55ad1e909c917679a5efc82a8b438bc7a3fb1013ade08bd4fc2583ac4327ba712ee92ef76b87c8be8e0fa482c |
memory/2916-7-0x0000000000400000-0x000000000040E000-memory.dmp
memory/2528-9-0x0000000000400000-0x000000000040E000-memory.dmp
memory/2528-11-0x0000000000400000-0x000000000040E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-09 22:44
Reported
2024-11-09 22:47
Platform
win10v2004-20241007-en
Max time kernel
150s
Max time network
158s
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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" | C:\Users\Admin\AppData\Local\Temp\5ecea845563fcc83f6de359a5944f4ca533ee04b918814232e6623ef864a6ee1.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\microsofthelp.exe | C:\Users\Admin\AppData\Local\Temp\5ecea845563fcc83f6de359a5944f4ca533ee04b918814232e6623ef864a6ee1.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\5ecea845563fcc83f6de359a5944f4ca533ee04b918814232e6623ef864a6ee1.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 4020 wrote to memory of 2328 | N/A | C:\Users\Admin\AppData\Local\Temp\5ecea845563fcc83f6de359a5944f4ca533ee04b918814232e6623ef864a6ee1.exe | C:\Windows\microsofthelp.exe |
| PID 4020 wrote to memory of 2328 | N/A | C:\Users\Admin\AppData\Local\Temp\5ecea845563fcc83f6de359a5944f4ca533ee04b918814232e6623ef864a6ee1.exe | C:\Windows\microsofthelp.exe |
| PID 4020 wrote to memory of 2328 | N/A | C:\Users\Admin\AppData\Local\Temp\5ecea845563fcc83f6de359a5944f4ca533ee04b918814232e6623ef864a6ee1.exe | C:\Windows\microsofthelp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\5ecea845563fcc83f6de359a5944f4ca533ee04b918814232e6623ef864a6ee1.exe
"C:\Users\Admin\AppData\Local\Temp\5ecea845563fcc83f6de359a5944f4ca533ee04b918814232e6623ef864a6ee1.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 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 53.210.109.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.42.69.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 49.192.11.51.in-addr.arpa | udp |
Files
memory/4020-0-0x0000000000400000-0x000000000040E000-memory.dmp
C:\Windows\microsofthelp.exe
| MD5 | bfb7d7bb5703108adde3d5fbcccd997f |
| SHA1 | e04bdc10978b2742ea628da67e99cc3c434f9641 |
| SHA256 | 2f5d01d2a07127c0e552e438675392785484c6da82b287f735a9febf1590afaf |
| SHA512 | 5396591f9176ef907340e6c672a2923cf7e994e55ad1e909c917679a5efc82a8b438bc7a3fb1013ade08bd4fc2583ac4327ba712ee92ef76b87c8be8e0fa482c |
memory/4020-5-0x0000000000400000-0x000000000040E000-memory.dmp
memory/2328-7-0x0000000000400000-0x000000000040E000-memory.dmp