Analysis Overview
SHA256
31ee3c05d4163ff7d0682efca21c44fdbfb3c0a9dce58c665893b38ba9d16356
Threat Level: Known bad
The file 31ee3c05d4163ff7d0682efca21c44fdbfb3c0a9dce58c665893b38ba9d16356 was found to be: Known bad.
Malicious Activity Summary
Rhadamanthys
Detect rhadamanthys stealer shellcode
Accesses Microsoft Outlook profiles
Program crash
Suspicious behavior: EnumeratesProcesses
outlook_office_path
outlook_win_path
Checks processor information in registry
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-04-15 01:02
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-04-15 01:02
Reported
2023-04-15 01:05
Platform
win10v2004-20230220-en
Max time kernel
106s
Max time network
128s
Command Line
Signatures
Detect rhadamanthys stealer shellcode
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Rhadamanthys
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook | C:\Windows\system32\dllhost.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook | C:\Windows\system32\dllhost.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook | C:\Windows\system32\dllhost.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook | C:\Windows\system32\dllhost.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook | C:\Windows\system32\dllhost.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook | C:\Windows\system32\dllhost.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\31ee3c05d4163ff7d0682efca21c44fdbfb3c0a9dce58c665893b38ba9d16356.exe |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Windows\system32\dllhost.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Windows\system32\dllhost.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\31ee3c05d4163ff7d0682efca21c44fdbfb3c0a9dce58c665893b38ba9d16356.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\31ee3c05d4163ff7d0682efca21c44fdbfb3c0a9dce58c665893b38ba9d16356.exe | N/A |
| N/A | N/A | C:\Windows\system32\dllhost.exe | N/A |
| N/A | N/A | C:\Windows\system32\dllhost.exe | N/A |
| N/A | N/A | C:\Windows\system32\dllhost.exe | N/A |
| N/A | N/A | C:\Windows\system32\dllhost.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4484 wrote to memory of 2596 | N/A | C:\Users\Admin\AppData\Local\Temp\31ee3c05d4163ff7d0682efca21c44fdbfb3c0a9dce58c665893b38ba9d16356.exe | C:\Windows\system32\dllhost.exe |
| PID 4484 wrote to memory of 2596 | N/A | C:\Users\Admin\AppData\Local\Temp\31ee3c05d4163ff7d0682efca21c44fdbfb3c0a9dce58c665893b38ba9d16356.exe | C:\Windows\system32\dllhost.exe |
| PID 4484 wrote to memory of 2596 | N/A | C:\Users\Admin\AppData\Local\Temp\31ee3c05d4163ff7d0682efca21c44fdbfb3c0a9dce58c665893b38ba9d16356.exe | C:\Windows\system32\dllhost.exe |
| PID 4484 wrote to memory of 2596 | N/A | C:\Users\Admin\AppData\Local\Temp\31ee3c05d4163ff7d0682efca21c44fdbfb3c0a9dce58c665893b38ba9d16356.exe | C:\Windows\system32\dllhost.exe |
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook | C:\Windows\system32\dllhost.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook | C:\Windows\system32\dllhost.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\31ee3c05d4163ff7d0682efca21c44fdbfb3c0a9dce58c665893b38ba9d16356.exe
"C:\Users\Admin\AppData\Local\Temp\31ee3c05d4163ff7d0682efca21c44fdbfb3c0a9dce58c665893b38ba9d16356.exe"
C:\Windows\system32\dllhost.exe
"C:\Windows\system32\dllhost.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4484 -ip 4484
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4484 -s 636
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 108.211.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| PA | 179.43.142.201:80 | catalog.s.download.windowsupdate.com | tcp |
| US | 8.8.8.8:53 | 201.142.43.179.in-addr.arpa | udp |
| PA | 179.43.142.201:80 | 179.43.142.201 | tcp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 52.152.108.96:443 | tcp | |
| US | 20.44.10.122:443 | tcp | |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 93.184.221.240:80 | tcp | |
| US | 8.8.8.8:53 | 2.36.159.162.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.77.109.52.in-addr.arpa | udp |
| NL | 173.223.113.164:443 | tcp | |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| NL | 173.223.113.131:80 | tcp | |
| US | 131.253.33.203:80 | tcp |
Files
memory/4484-134-0x0000000002400000-0x000000000242E000-memory.dmp
memory/4484-135-0x0000000000400000-0x000000000080F000-memory.dmp
memory/4484-138-0x0000000002430000-0x000000000244C000-memory.dmp
memory/4484-139-0x0000000002430000-0x000000000244C000-memory.dmp
memory/4484-140-0x0000000002430000-0x000000000244C000-memory.dmp
memory/2596-141-0x000002D1F2C80000-0x000002D1F2C81000-memory.dmp
memory/4484-142-0x0000000002430000-0x000000000244C000-memory.dmp
memory/2596-143-0x000002D1F2CD0000-0x000002D1F2CD7000-memory.dmp
memory/2596-144-0x00007FF4E0050000-0x00007FF4E014A000-memory.dmp
memory/2596-145-0x00007FF4E0050000-0x00007FF4E014A000-memory.dmp
memory/4484-146-0x0000000000400000-0x000000000080F000-memory.dmp
memory/2596-147-0x00007FF4E0050000-0x00007FF4E014A000-memory.dmp
memory/2596-148-0x00007FF4E0050000-0x00007FF4E014A000-memory.dmp
memory/2596-149-0x00007FF4E0050000-0x00007FF4E014A000-memory.dmp
memory/2596-150-0x00007FF4E0050000-0x00007FF4E014A000-memory.dmp