Analysis Overview
SHA256
1fc88500422917840f534cba0275b2d13a9b78ec791e445b7c6e53fa88fc351d
Threat Level: Known bad
The file 1fc88500422917840f534cba0275b2d13a9b78ec791e445b7c6e53fa88fc351d was found to be: Known bad.
Malicious Activity Summary
Detect rhadamanthys stealer shellcode
Rhadamanthys
Accesses Microsoft Outlook profiles
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
2023-04-14 23:10
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-04-14 23:10
Reported
2023-04-14 23:13
Platform
win10-20230220-en
Max time kernel
141s
Max time network
143s
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-1-5-21-3853465373-1718857667-1861325682-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook | C:\Windows\system32\dllhost.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-3853465373-1718857667-1861325682-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook | C:\Windows\system32\dllhost.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-3853465373-1718857667-1861325682-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook | C:\Windows\system32\dllhost.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-3853465373-1718857667-1861325682-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook | C:\Windows\system32\dllhost.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-3853465373-1718857667-1861325682-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook | C:\Windows\system32\dllhost.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-3853465373-1718857667-1861325682-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook | C:\Windows\system32\dllhost.exe | N/A |
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\1fc88500422917840f534cba0275b2d13a9b78ec791e445b7c6e53fa88fc351d.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1fc88500422917840f534cba0275b2d13a9b78ec791e445b7c6e53fa88fc351d.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 3640 wrote to memory of 4640 | N/A | C:\Users\Admin\AppData\Local\Temp\1fc88500422917840f534cba0275b2d13a9b78ec791e445b7c6e53fa88fc351d.exe | C:\Windows\system32\dllhost.exe |
| PID 3640 wrote to memory of 4640 | N/A | C:\Users\Admin\AppData\Local\Temp\1fc88500422917840f534cba0275b2d13a9b78ec791e445b7c6e53fa88fc351d.exe | C:\Windows\system32\dllhost.exe |
| PID 3640 wrote to memory of 4640 | N/A | C:\Users\Admin\AppData\Local\Temp\1fc88500422917840f534cba0275b2d13a9b78ec791e445b7c6e53fa88fc351d.exe | C:\Windows\system32\dllhost.exe |
| PID 3640 wrote to memory of 4640 | N/A | C:\Users\Admin\AppData\Local\Temp\1fc88500422917840f534cba0275b2d13a9b78ec791e445b7c6e53fa88fc351d.exe | C:\Windows\system32\dllhost.exe |
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-3853465373-1718857667-1861325682-1000\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-1-5-21-3853465373-1718857667-1861325682-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook | C:\Windows\system32\dllhost.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\1fc88500422917840f534cba0275b2d13a9b78ec791e445b7c6e53fa88fc351d.exe
"C:\Users\Admin\AppData\Local\Temp\1fc88500422917840f534cba0275b2d13a9b78ec791e445b7c6e53fa88fc351d.exe"
C:\Windows\system32\dllhost.exe
"C:\Windows\system32\dllhost.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 240.221.184.93.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 |
| AU | 104.46.162.224:443 | tcp | |
| US | 8.8.8.8:53 | 203.151.224.20.in-addr.arpa | udp |
| US | 93.184.220.29:80 | tcp |
Files
memory/3640-120-0x0000000000A80000-0x0000000000AAE000-memory.dmp
memory/3640-121-0x0000000000400000-0x000000000080E000-memory.dmp
memory/3640-124-0x0000000000AB0000-0x0000000000ACC000-memory.dmp
memory/3640-125-0x0000000000AB0000-0x0000000000ACC000-memory.dmp
memory/3640-126-0x0000000002570000-0x0000000002572000-memory.dmp
memory/3640-127-0x0000000000AB0000-0x0000000000ACC000-memory.dmp
memory/4640-128-0x0000022435D50000-0x0000022435D51000-memory.dmp
memory/3640-129-0x0000000002570000-0x0000000002573000-memory.dmp
memory/4640-130-0x0000022435D00000-0x0000022435D07000-memory.dmp
memory/4640-131-0x00007FF6B3F90000-0x00007FF6B408A000-memory.dmp
memory/4640-134-0x00007FF6B3F90000-0x00007FF6B408A000-memory.dmp
memory/3640-135-0x0000000000400000-0x000000000080E000-memory.dmp
memory/3640-136-0x0000000000AB0000-0x0000000000ACC000-memory.dmp
memory/4640-137-0x00007FF6B3F90000-0x00007FF6B408A000-memory.dmp
memory/4640-138-0x00007FF6B3F90000-0x00007FF6B408A000-memory.dmp
memory/4640-139-0x00007FF6B3F90000-0x00007FF6B408A000-memory.dmp
memory/4640-140-0x00007FF6B3F90000-0x00007FF6B408A000-memory.dmp