Analysis Overview
SHA256
a499e4d7f71cb83c442b02f45dc986a42c6fef18ffc0efb9a54287671e063cc2
Threat Level: Known bad
The file a499e4d7f71cb83c442b02f45dc986a42c6fef18ffc0efb9a54287671e063cc2 was found to be: Known bad.
Malicious Activity Summary
Rhadamanthys
Detect rhadamanthys stealer shellcode
Accesses Microsoft Outlook profiles
Program crash
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
outlook_office_path
outlook_win_path
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-04-15 01:40
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-04-15 01:40
Reported
2023-04-15 01:43
Platform
win10v2004-20230220-en
Max time kernel
88s
Max time network
96s
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-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook | C:\Windows\system32\dllhost.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook | C:\Windows\system32\dllhost.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook | C:\Windows\system32\dllhost.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook | C:\Windows\system32\dllhost.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook | C:\Windows\system32\dllhost.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\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\a499e4d7f71cb83c442b02f45dc986a42c6fef18ffc0efb9a54287671e063cc2.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\a499e4d7f71cb83c442b02f45dc986a42c6fef18ffc0efb9a54287671e063cc2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a499e4d7f71cb83c442b02f45dc986a42c6fef18ffc0efb9a54287671e063cc2.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 4696 wrote to memory of 4824 | N/A | C:\Users\Admin\AppData\Local\Temp\a499e4d7f71cb83c442b02f45dc986a42c6fef18ffc0efb9a54287671e063cc2.exe | C:\Windows\system32\dllhost.exe |
| PID 4696 wrote to memory of 4824 | N/A | C:\Users\Admin\AppData\Local\Temp\a499e4d7f71cb83c442b02f45dc986a42c6fef18ffc0efb9a54287671e063cc2.exe | C:\Windows\system32\dllhost.exe |
| PID 4696 wrote to memory of 4824 | N/A | C:\Users\Admin\AppData\Local\Temp\a499e4d7f71cb83c442b02f45dc986a42c6fef18ffc0efb9a54287671e063cc2.exe | C:\Windows\system32\dllhost.exe |
| PID 4696 wrote to memory of 4824 | N/A | C:\Users\Admin\AppData\Local\Temp\a499e4d7f71cb83c442b02f45dc986a42c6fef18ffc0efb9a54287671e063cc2.exe | C:\Windows\system32\dllhost.exe |
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\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-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook | C:\Windows\system32\dllhost.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\a499e4d7f71cb83c442b02f45dc986a42c6fef18ffc0efb9a54287671e063cc2.exe
"C:\Users\Admin\AppData\Local\Temp\a499e4d7f71cb83c442b02f45dc986a42c6fef18ffc0efb9a54287671e063cc2.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 4696 -ip 4696
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4696 -s 728
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 149.220.183.52.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 | 52.152.108.96:443 | tcp | |
| US | 20.189.173.12:443 | tcp | |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1.77.109.52.in-addr.arpa | udp |
| 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 | 103.169.127.40.in-addr.arpa | udp |
| NL | 8.238.20.126:80 | tcp | |
| US | 93.184.220.29:80 | tcp | |
| NL | 8.238.20.126:80 | tcp | |
| NL | 173.223.113.164:443 | tcp | |
| NL | 173.223.113.131:80 | tcp | |
| US | 131.253.33.203:80 | tcp |
Files
memory/4696-134-0x0000000000950000-0x000000000097E000-memory.dmp
memory/4696-135-0x0000000000400000-0x000000000080F000-memory.dmp
memory/4696-138-0x0000000000980000-0x000000000099C000-memory.dmp
memory/4696-139-0x00000000009A0000-0x00000000009BA000-memory.dmp
memory/4696-140-0x0000000000980000-0x000000000099C000-memory.dmp
memory/4696-141-0x0000000000980000-0x000000000099C000-memory.dmp
memory/4824-142-0x0000020361B90000-0x0000020361B91000-memory.dmp
memory/4696-143-0x00000000009A0000-0x00000000009BA000-memory.dmp
memory/4824-144-0x0000020361CB0000-0x0000020361CB7000-memory.dmp
memory/4824-145-0x00007FF4EDB60000-0x00007FF4EDC5A000-memory.dmp
memory/4824-146-0x00007FF4EDB60000-0x00007FF4EDC5A000-memory.dmp
memory/4696-147-0x0000000000400000-0x000000000080F000-memory.dmp
memory/4696-148-0x0000000000980000-0x000000000099C000-memory.dmp
memory/4824-149-0x00007FF4EDB60000-0x00007FF4EDC5A000-memory.dmp
memory/4824-150-0x00007FF4EDB60000-0x00007FF4EDC5A000-memory.dmp
memory/4824-151-0x00007FF4EDB60000-0x00007FF4EDC5A000-memory.dmp
memory/4824-152-0x00007FF4EDB60000-0x00007FF4EDC5A000-memory.dmp