Analysis Overview
SHA256
5e3c1d9694718104a42471e9acdc9cc72bf8731a3da97308d6b9a0f248b8d93c
Threat Level: Shows suspicious behavior
The file 5e3c1d9694718104a42471e9acdc9cc72bf8731a3da97308d6b9a0f248b8d93c 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
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-03 22:08
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-03 22:08
Reported
2024-06-03 22:10
Platform
win7-20240508-en
Max time kernel
149s
Max time network
120s
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-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" | C:\Users\Admin\AppData\Local\Temp\5e3c1d9694718104a42471e9acdc9cc72bf8731a3da97308d6b9a0f248b8d93c.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\microsofthelp.exe | C:\Users\Admin\AppData\Local\Temp\5e3c1d9694718104a42471e9acdc9cc72bf8731a3da97308d6b9a0f248b8d93c.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2348 wrote to memory of 1440 | N/A | C:\Users\Admin\AppData\Local\Temp\5e3c1d9694718104a42471e9acdc9cc72bf8731a3da97308d6b9a0f248b8d93c.exe | C:\Windows\microsofthelp.exe |
| PID 2348 wrote to memory of 1440 | N/A | C:\Users\Admin\AppData\Local\Temp\5e3c1d9694718104a42471e9acdc9cc72bf8731a3da97308d6b9a0f248b8d93c.exe | C:\Windows\microsofthelp.exe |
| PID 2348 wrote to memory of 1440 | N/A | C:\Users\Admin\AppData\Local\Temp\5e3c1d9694718104a42471e9acdc9cc72bf8731a3da97308d6b9a0f248b8d93c.exe | C:\Windows\microsofthelp.exe |
| PID 2348 wrote to memory of 1440 | N/A | C:\Users\Admin\AppData\Local\Temp\5e3c1d9694718104a42471e9acdc9cc72bf8731a3da97308d6b9a0f248b8d93c.exe | C:\Windows\microsofthelp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\5e3c1d9694718104a42471e9acdc9cc72bf8731a3da97308d6b9a0f248b8d93c.exe
"C:\Users\Admin\AppData\Local\Temp\5e3c1d9694718104a42471e9acdc9cc72bf8731a3da97308d6b9a0f248b8d93c.exe"
C:\Windows\microsofthelp.exe
"C:\Windows\microsofthelp.exe"
Network
Files
memory/2348-0-0x0000000000400000-0x0000000000403000-memory.dmp
memory/2348-7-0x0000000000400000-0x0000000000403000-memory.dmp
C:\Windows\microsofthelp.exe
| MD5 | 71448277a9324c098702fbf810a9bd4e |
| SHA1 | a8de409421793ccba0664d7221e51a27d45935fc |
| SHA256 | 073161b03187cccbd11334aa8ca8cde424c2ee763db3858b4ab7257e69d18877 |
| SHA512 | 2f4ab062eba73a3c68ee9d34ac34c704cb1dcacb90d8f02968f638410e33c0e686f8680ed7734b7ed1bed0af6092e72803e4b902d0bccc3c4a86a06ce3119832 |
memory/2348-6-0x0000000000220000-0x0000000000223000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-03 22:08
Reported
2024-06-03 22:10
Platform
win10v2004-20240508-en
Max time kernel
149s
Max time network
124s
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-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" | C:\Users\Admin\AppData\Local\Temp\5e3c1d9694718104a42471e9acdc9cc72bf8731a3da97308d6b9a0f248b8d93c.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\microsofthelp.exe | C:\Users\Admin\AppData\Local\Temp\5e3c1d9694718104a42471e9acdc9cc72bf8731a3da97308d6b9a0f248b8d93c.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2880 wrote to memory of 228 | N/A | C:\Users\Admin\AppData\Local\Temp\5e3c1d9694718104a42471e9acdc9cc72bf8731a3da97308d6b9a0f248b8d93c.exe | C:\Windows\microsofthelp.exe |
| PID 2880 wrote to memory of 228 | N/A | C:\Users\Admin\AppData\Local\Temp\5e3c1d9694718104a42471e9acdc9cc72bf8731a3da97308d6b9a0f248b8d93c.exe | C:\Windows\microsofthelp.exe |
| PID 2880 wrote to memory of 228 | N/A | C:\Users\Admin\AppData\Local\Temp\5e3c1d9694718104a42471e9acdc9cc72bf8731a3da97308d6b9a0f248b8d93c.exe | C:\Windows\microsofthelp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\5e3c1d9694718104a42471e9acdc9cc72bf8731a3da97308d6b9a0f248b8d93c.exe
"C:\Users\Admin\AppData\Local\Temp\5e3c1d9694718104a42471e9acdc9cc72bf8731a3da97308d6b9a0f248b8d93c.exe"
C:\Windows\microsofthelp.exe
"C:\Windows\microsofthelp.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.31.126.40.in-addr.arpa | udp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 97.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
Files
memory/2880-0-0x0000000000400000-0x0000000000403000-memory.dmp
C:\Windows\microsofthelp.exe
| MD5 | 71448277a9324c098702fbf810a9bd4e |
| SHA1 | a8de409421793ccba0664d7221e51a27d45935fc |
| SHA256 | 073161b03187cccbd11334aa8ca8cde424c2ee763db3858b4ab7257e69d18877 |
| SHA512 | 2f4ab062eba73a3c68ee9d34ac34c704cb1dcacb90d8f02968f638410e33c0e686f8680ed7734b7ed1bed0af6092e72803e4b902d0bccc3c4a86a06ce3119832 |
memory/2880-4-0x0000000000400000-0x0000000000403000-memory.dmp
memory/228-6-0x0000000000400000-0x0000000000403000-memory.dmp