Analysis Overview
SHA256
4fb58687a364c3f6d6f7e0ca03654f9dec0f8832a499d61d40b0d424db1b1b14
Threat Level: Known bad
The file open.exe was found to be: Known bad.
Malicious Activity Summary
Rhadamanthys
Suspicious use of NtCreateUserProcessOtherParentProcess
Deletes itself
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-04-05 11:51
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-05 11:51
Reported
2024-04-05 11:54
Platform
win7-20240221-en
Max time kernel
121s
Max time network
123s
Command Line
Signatures
Rhadamanthys
Suspicious use of NtCreateUserProcessOtherParentProcess
| Description | Indicator | Process | Target |
| PID 2176 created 1192 | N/A | C:\Users\Admin\AppData\Local\Temp\open.exe | C:\Windows\Explorer.EXE |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\open.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\open.exe | N/A |
| N/A | N/A | C:\Windows\system32\dialer.exe | N/A |
| N/A | N/A | C:\Windows\system32\dialer.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2176 wrote to memory of 2268 | N/A | C:\Users\Admin\AppData\Local\Temp\open.exe | C:\Windows\system32\dialer.exe |
| PID 2176 wrote to memory of 2268 | N/A | C:\Users\Admin\AppData\Local\Temp\open.exe | C:\Windows\system32\dialer.exe |
| PID 2176 wrote to memory of 2268 | N/A | C:\Users\Admin\AppData\Local\Temp\open.exe | C:\Windows\system32\dialer.exe |
| PID 2176 wrote to memory of 2268 | N/A | C:\Users\Admin\AppData\Local\Temp\open.exe | C:\Windows\system32\dialer.exe |
| PID 2176 wrote to memory of 2268 | N/A | C:\Users\Admin\AppData\Local\Temp\open.exe | C:\Windows\system32\dialer.exe |
Processes
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Users\Admin\AppData\Local\Temp\open.exe
"C:\Users\Admin\AppData\Local\Temp\open.exe"
C:\Windows\system32\dialer.exe
"C:\Windows\system32\dialer.exe"
Network
Files
memory/2176-0-0x0000000000190000-0x00000000001EE000-memory.dmp
memory/2176-1-0x000007FEF5F20000-0x000007FEF690C000-memory.dmp
memory/2176-2-0x000000001AE90000-0x000000001AF10000-memory.dmp
memory/2176-3-0x0000000000220000-0x0000000000230000-memory.dmp
memory/2176-4-0x000000001B3F0000-0x000000001B7F0000-memory.dmp
memory/2176-6-0x000000001B3F0000-0x000000001B7F0000-memory.dmp
memory/2176-5-0x000000001B3F0000-0x000000001B7F0000-memory.dmp
memory/2176-7-0x0000000077CA0000-0x0000000077E49000-memory.dmp
memory/2176-8-0x000000001B3F0000-0x000000001B7F0000-memory.dmp
memory/2176-9-0x0000000077B80000-0x0000000077C9F000-memory.dmp
memory/2176-10-0x000007FEFDB80000-0x000007FEFDBEC000-memory.dmp
memory/2176-13-0x0000000077CA0000-0x0000000077E49000-memory.dmp
memory/2268-11-0x0000000000060000-0x0000000000069000-memory.dmp
memory/2268-14-0x0000000001C10000-0x0000000002010000-memory.dmp
memory/2176-16-0x000000001B3F0000-0x000000001B7F0000-memory.dmp
memory/2268-18-0x0000000001C10000-0x0000000002010000-memory.dmp
memory/2268-17-0x0000000077CA0000-0x0000000077E49000-memory.dmp
memory/2176-15-0x0000000000220000-0x0000000000230000-memory.dmp
memory/2268-21-0x0000000077CA0000-0x0000000077E49000-memory.dmp
memory/2176-19-0x000007FEF5F20000-0x000007FEF690C000-memory.dmp
memory/2268-20-0x0000000077B80000-0x0000000077C9F000-memory.dmp
memory/2268-22-0x000007FEFDB80000-0x000007FEFDBEC000-memory.dmp
memory/2268-23-0x0000000001C10000-0x0000000002010000-memory.dmp
memory/2268-24-0x0000000077CA0000-0x0000000077E49000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-05 11:51
Reported
2024-04-05 11:54
Platform
win10v2004-20240226-en
Max time kernel
150s
Max time network
150s
Command Line
Signatures
Rhadamanthys
Suspicious use of NtCreateUserProcessOtherParentProcess
| Description | Indicator | Process | Target |
| PID 3936 created 2868 | N/A | C:\Users\Admin\AppData\Local\Temp\open.exe | C:\Windows\system32\sihost.exe |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\dialer.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\open.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\open.exe | N/A |
| N/A | N/A | C:\Windows\system32\dialer.exe | N/A |
| N/A | N/A | C:\Windows\system32\dialer.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3936 wrote to memory of 468 | N/A | C:\Users\Admin\AppData\Local\Temp\open.exe | C:\Windows\system32\dialer.exe |
| PID 3936 wrote to memory of 468 | N/A | C:\Users\Admin\AppData\Local\Temp\open.exe | C:\Windows\system32\dialer.exe |
| PID 3936 wrote to memory of 468 | N/A | C:\Users\Admin\AppData\Local\Temp\open.exe | C:\Windows\system32\dialer.exe |
| PID 3936 wrote to memory of 468 | N/A | C:\Users\Admin\AppData\Local\Temp\open.exe | C:\Windows\system32\dialer.exe |
Processes
C:\Windows\system32\sihost.exe
sihost.exe
C:\Users\Admin\AppData\Local\Temp\open.exe
"C:\Users\Admin\AppData\Local\Temp\open.exe"
C:\Windows\system32\dialer.exe
"C:\Windows\system32\dialer.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 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.136.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.139.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 121.136.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 130.136.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | udp |
Files
memory/3936-0-0x0000000000AD0000-0x0000000000B2E000-memory.dmp
memory/3936-1-0x0000000002B80000-0x0000000002B90000-memory.dmp
memory/3936-2-0x000000001B760000-0x000000001BB60000-memory.dmp
memory/3936-3-0x000000001B760000-0x000000001BB60000-memory.dmp
memory/3936-4-0x00007FFD93AC0000-0x00007FFD94581000-memory.dmp
memory/3936-5-0x00007FFDB19D0000-0x00007FFDB1BC5000-memory.dmp
memory/3936-9-0x000000001B760000-0x000000001BB60000-memory.dmp
memory/3936-8-0x00007FFDAF5F0000-0x00007FFDAF8B9000-memory.dmp
memory/468-10-0x0000022777300000-0x0000022777309000-memory.dmp
memory/3936-7-0x00007FFDB18D0000-0x00007FFDB198E000-memory.dmp
memory/3936-13-0x000000001B760000-0x000000001BB60000-memory.dmp
memory/3936-6-0x0000000002B80000-0x0000000002B90000-memory.dmp
memory/468-15-0x0000022778E80000-0x0000022779280000-memory.dmp
memory/3936-16-0x00007FFD93AC0000-0x00007FFD94581000-memory.dmp
memory/468-14-0x0000022778E80000-0x0000022779280000-memory.dmp
memory/468-17-0x00007FFDB19D0000-0x00007FFDB1BC5000-memory.dmp
memory/468-18-0x0000022778E80000-0x0000022779280000-memory.dmp
memory/468-19-0x00007FFDB18D0000-0x00007FFDB198E000-memory.dmp
memory/468-20-0x00007FFDAF5F0000-0x00007FFDAF8B9000-memory.dmp
memory/468-21-0x0000022778E80000-0x0000022779280000-memory.dmp