Analysis Overview
SHA256
c90741a043ee54880a939009935f65d458437c3f25ef66d0388a1b8083aec99c
Threat Level: Known bad
The file c90741a043ee54880a939009935f65d458437c3f25ef66d0388a1b8083aec99c was found to be: Known bad.
Malicious Activity Summary
Detect rhadamanthys stealer shellcode
Rhadamanthys
Accesses Microsoft Outlook profiles
Program crash
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Checks processor information in registry
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-04-15 13:01
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-04-15 13:01
Reported
2023-04-15 13:03
Platform
win10v2004-20230221-en
Max time kernel
135s
Max time network
153s
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-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook | C:\Windows\system32\dllhost.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook | C:\Windows\system32\dllhost.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook | C:\Windows\system32\dllhost.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook | C:\Windows\system32\dllhost.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook | C:\Windows\system32\dllhost.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\11.0\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\c90741a043ee54880a939009935f65d458437c3f25ef66d0388a1b8083aec99c.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\c90741a043ee54880a939009935f65d458437c3f25ef66d0388a1b8083aec99c.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c90741a043ee54880a939009935f65d458437c3f25ef66d0388a1b8083aec99c.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 1516 wrote to memory of 1072 | N/A | C:\Users\Admin\AppData\Local\Temp\c90741a043ee54880a939009935f65d458437c3f25ef66d0388a1b8083aec99c.exe | C:\Windows\system32\dllhost.exe |
| PID 1516 wrote to memory of 1072 | N/A | C:\Users\Admin\AppData\Local\Temp\c90741a043ee54880a939009935f65d458437c3f25ef66d0388a1b8083aec99c.exe | C:\Windows\system32\dllhost.exe |
| PID 1516 wrote to memory of 1072 | N/A | C:\Users\Admin\AppData\Local\Temp\c90741a043ee54880a939009935f65d458437c3f25ef66d0388a1b8083aec99c.exe | C:\Windows\system32\dllhost.exe |
| PID 1516 wrote to memory of 1072 | N/A | C:\Users\Admin\AppData\Local\Temp\c90741a043ee54880a939009935f65d458437c3f25ef66d0388a1b8083aec99c.exe | C:\Windows\system32\dllhost.exe |
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\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-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook | C:\Windows\system32\dllhost.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\c90741a043ee54880a939009935f65d458437c3f25ef66d0388a1b8083aec99c.exe
"C:\Users\Admin\AppData\Local\Temp\c90741a043ee54880a939009935f65d458437c3f25ef66d0388a1b8083aec99c.exe"
C:\Windows\system32\dllhost.exe
"C:\Windows\system32\dllhost.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 1516 -ip 1516
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1516 -s 732
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.159.190.20.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 |
| PA | 179.43.142.201:80 | 179.43.142.201 | tcp |
| US | 52.152.110.14:443 | tcp | |
| US | 20.189.173.2:443 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| US | 52.152.110.14:443 | tcp | |
| NL | 173.223.113.164:443 | tcp | |
| NL | 173.223.113.131:80 | tcp | |
| US | 204.79.197.203:80 | tcp | |
| US | 8.8.8.8:53 | 45.8.109.52.in-addr.arpa | udp |
| US | 52.152.110.14:443 | tcp | |
| US | 52.152.110.14:443 | tcp | |
| US | 52.152.110.14:443 | tcp | |
| US | 52.152.110.14:443 | tcp |
Files
memory/1516-134-0x0000000002550000-0x000000000257E000-memory.dmp
memory/1516-135-0x0000000000400000-0x000000000080F000-memory.dmp
memory/1516-138-0x0000000002580000-0x000000000259C000-memory.dmp
memory/1516-139-0x00000000025A0000-0x00000000025BA000-memory.dmp
memory/1516-140-0x0000000002580000-0x000000000259C000-memory.dmp
memory/1516-141-0x0000000002580000-0x000000000259C000-memory.dmp
memory/1072-142-0x000002572C840000-0x000002572C841000-memory.dmp
memory/1072-144-0x000002572C960000-0x000002572C967000-memory.dmp
memory/1516-143-0x00000000025D0000-0x00000000025D2000-memory.dmp
memory/1072-145-0x00007FF493F00000-0x00007FF493FFA000-memory.dmp
memory/1072-146-0x00007FF493F00000-0x00007FF493FFA000-memory.dmp
memory/1072-148-0x00007FF493F00000-0x00007FF493FFA000-memory.dmp
memory/1516-149-0x0000000002580000-0x000000000259C000-memory.dmp
memory/1516-147-0x0000000000400000-0x000000000080F000-memory.dmp
memory/1072-150-0x00007FF493F00000-0x00007FF493FFA000-memory.dmp
memory/1072-151-0x00007FF493F00000-0x00007FF493FFA000-memory.dmp
memory/1072-152-0x00007FF493F00000-0x00007FF493FFA000-memory.dmp