Analysis Overview
SHA256
b8fe0a4de08b6c3c918f2074941ff4b6d2950ab0e83669f6ce57f12bbab24cf6
Threat Level: Known bad
The file b8fe0a4de08b6c3c918f2074941ff4b6d2950ab0e83669f6ce57f12bbab24cf6 was found to be: Known bad.
Malicious Activity Summary
Detect rhadamanthys stealer shellcode
Rhadamanthys
Accesses Microsoft Outlook profiles
Program crash
outlook_office_path
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
outlook_win_path
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-04-19 14:10
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-04-19 14:10
Reported
2023-04-19 14:13
Platform
win10v2004-20230220-en
Max time kernel
60s
Max time network
136s
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\b8fe0a4de08b6c3c918f2074941ff4b6d2950ab0e83669f6ce57f12bbab24cf6.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\b8fe0a4de08b6c3c918f2074941ff4b6d2950ab0e83669f6ce57f12bbab24cf6.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b8fe0a4de08b6c3c918f2074941ff4b6d2950ab0e83669f6ce57f12bbab24cf6.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 4732 wrote to memory of 3620 | N/A | C:\Users\Admin\AppData\Local\Temp\b8fe0a4de08b6c3c918f2074941ff4b6d2950ab0e83669f6ce57f12bbab24cf6.exe | C:\Windows\system32\dllhost.exe |
| PID 4732 wrote to memory of 3620 | N/A | C:\Users\Admin\AppData\Local\Temp\b8fe0a4de08b6c3c918f2074941ff4b6d2950ab0e83669f6ce57f12bbab24cf6.exe | C:\Windows\system32\dllhost.exe |
| PID 4732 wrote to memory of 3620 | N/A | C:\Users\Admin\AppData\Local\Temp\b8fe0a4de08b6c3c918f2074941ff4b6d2950ab0e83669f6ce57f12bbab24cf6.exe | C:\Windows\system32\dllhost.exe |
| PID 4732 wrote to memory of 3620 | N/A | C:\Users\Admin\AppData\Local\Temp\b8fe0a4de08b6c3c918f2074941ff4b6d2950ab0e83669f6ce57f12bbab24cf6.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\b8fe0a4de08b6c3c918f2074941ff4b6d2950ab0e83669f6ce57f12bbab24cf6.exe
"C:\Users\Admin\AppData\Local\Temp\b8fe0a4de08b6c3c918f2074941ff4b6d2950ab0e83669f6ce57f12bbab24cf6.exe"
C:\Windows\system32\dllhost.exe
"C:\Windows\system32\dllhost.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4732 -ip 4732
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4732 -s 700
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 93.184.220.29:80 | tcp | |
| US | 8.8.8.8:53 | 133.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.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 |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| PA | 179.43.142.201:80 | 179.43.142.201 | tcp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 126.131.241.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 64.13.109.52.in-addr.arpa | udp |
| NL | 173.223.113.164:443 | tcp | |
| NL | 173.223.113.131:80 | tcp | |
| US | 131.253.33.203:80 | tcp |
Files
memory/4732-134-0x0000000002E00000-0x0000000002E2E000-memory.dmp
memory/4732-135-0x0000000000400000-0x0000000002BA4000-memory.dmp
memory/4732-138-0x0000000002E30000-0x0000000002E4C000-memory.dmp
memory/4732-137-0x0000000000400000-0x0000000002BA4000-memory.dmp
memory/4732-139-0x0000000002E30000-0x0000000002E4C000-memory.dmp
memory/4732-140-0x0000000002E50000-0x0000000002E6A000-memory.dmp
memory/4732-141-0x0000000002E30000-0x0000000002E4C000-memory.dmp
memory/3620-142-0x00000166A0140000-0x00000166A0141000-memory.dmp
memory/4732-143-0x0000000004820000-0x0000000004822000-memory.dmp
memory/3620-144-0x00000166A0190000-0x00000166A0197000-memory.dmp
memory/3620-145-0x00007FF468810000-0x00007FF46890A000-memory.dmp
memory/3620-146-0x00007FF468810000-0x00007FF46890A000-memory.dmp
memory/4732-148-0x0000000002E30000-0x0000000002E4C000-memory.dmp
memory/3620-149-0x00007FF468810000-0x00007FF46890A000-memory.dmp
memory/3620-150-0x00007FF468810000-0x00007FF46890A000-memory.dmp
memory/3620-151-0x00007FF468810000-0x00007FF46890A000-memory.dmp
memory/3620-152-0x00007FF468810000-0x00007FF46890A000-memory.dmp