Analysis Overview
SHA256
56fe514e3ea3eda0569cf8b79741fe9ed9b391fe06f07b33d847ccdd7fda18ae
Threat Level: Known bad
The file 0FERTA_Y.EXE.exe was found to be: Known bad.
Malicious Activity Summary
StormKitty payload
StormKitty
BluStealer
.NET Reactor proctector
Looks up external IP address via web service
Accesses Microsoft Outlook profiles
Accesses cryptocurrency files/wallets, possible credential harvesting
Suspicious use of SetThreadContext
Unsigned PE
outlook_win_path
Suspicious use of WriteProcessMemory
outlook_office_path
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Checks processor information in registry
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-04-26 08:46
Signatures
.NET Reactor proctector
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-04-26 08:46
Reported
2023-04-26 08:48
Platform
win7-20230220-en
Max time kernel
120s
Max time network
33s
Command Line
Signatures
BluStealer
StormKitty
StormKitty payload
| 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 |
.NET Reactor proctector
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe | N/A |
Accesses cryptocurrency files/wallets, possible credential harvesting
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | icanhazip.com | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 816 set thread context of 2012 | N/A | C:\Users\Admin\AppData\Local\Temp\0FERTA_Y.EXE.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe |
| PID 2012 set thread context of 1688 | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe | N/A |
Suspicious use of WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\0FERTA_Y.EXE.exe
"C:\Users\Admin\AppData\Local\Temp\0FERTA_Y.EXE.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | icanhazip.com | udp |
| US | 104.18.115.97:80 | icanhazip.com | tcp |
Files
memory/816-54-0x0000000000870000-0x00000000008A8000-memory.dmp
memory/816-55-0x0000000000140000-0x0000000000150000-memory.dmp
memory/2012-56-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2012-57-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2012-58-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2012-60-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2012-61-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2012-63-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2012-66-0x0000000000400000-0x0000000000424000-memory.dmp
memory/1688-69-0x0000000000090000-0x00000000000AA000-memory.dmp
memory/1688-68-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp
memory/1688-67-0x0000000000090000-0x00000000000AA000-memory.dmp
memory/1688-71-0x0000000000090000-0x00000000000AA000-memory.dmp
memory/1688-73-0x0000000000090000-0x00000000000AA000-memory.dmp
memory/1688-74-0x0000000000AB0000-0x0000000000AF0000-memory.dmp
memory/2012-75-0x0000000000400000-0x0000000000424000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-04-26 08:46
Reported
2023-04-26 08:48
Platform
win10v2004-20230220-en
Max time kernel
150s
Max time network
128s
Command Line
Signatures
BluStealer
StormKitty
StormKitty payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
.NET Reactor proctector
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe | N/A |
Accesses cryptocurrency files/wallets, possible credential harvesting
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | icanhazip.com | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2088 set thread context of 2164 | N/A | C:\Users\Admin\AppData\Local\Temp\0FERTA_Y.EXE.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe |
| PID 2164 set thread context of 4568 | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe | N/A |
Suspicious use of WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\0FERTA_Y.EXE.exe
"C:\Users\Admin\AppData\Local\Temp\0FERTA_Y.EXE.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.4.107.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | icanhazip.com | udp |
| US | 104.18.115.97:80 | icanhazip.com | tcp |
| US | 8.8.8.8:53 | 97.115.18.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 120.208.253.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 126.159.241.8.in-addr.arpa | udp |
| US | 20.189.173.9:443 | tcp | |
| US | 8.8.8.8:53 | 254.5.248.8.in-addr.arpa | udp |
Files
memory/2088-133-0x0000019BE9760000-0x0000019BE9798000-memory.dmp
memory/2164-134-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2164-137-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2164-140-0x0000000000400000-0x0000000000424000-memory.dmp
memory/4568-141-0x0000000000FC0000-0x0000000000FDA000-memory.dmp
memory/4568-142-0x0000000005540000-0x00000000055A6000-memory.dmp
memory/4568-143-0x0000000006050000-0x00000000060EC000-memory.dmp
memory/2164-145-0x0000000000400000-0x0000000000424000-memory.dmp