Analysis Overview
SHA256
9f18caf887db4cccec90f1d018538b77fd5b6e2f7bcaaecbd66fee016f98e10d
Threat Level: Known bad
The file InstallerKms.exe was found to be: Known bad.
Malicious Activity Summary
Rhadamanthys
Suspicious use of NtCreateUserProcessOtherParentProcess
Legitimate hosting services abused for malware hosting/C2
Drops file in System32 directory
Suspicious use of SetThreadContext
Program crash
System Location Discovery: System Language Discovery
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-09-23 03:59
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-09-23 03:59
Reported
2024-09-23 04:02
Platform
win10v2004-20240802-en
Max time kernel
95s
Max time network
124s
Command Line
Signatures
Rhadamanthys
Suspicious use of NtCreateUserProcessOtherParentProcess
| Description | Indicator | Process | Target |
| PID 2252 created 2588 | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe | C:\Windows\system32\sihost.exe |
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | bitbucket.org | N/A | N/A |
| N/A | bitbucket.org | N/A | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\shell32.dll | C:\Users\Admin\AppData\Local\Temp\InstallerKms.exe | N/A |
| File created | C:\Windows\SysWOW64\temp.000 | C:\Users\Admin\AppData\Local\Temp\InstallerKms.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3180 set thread context of 2252 | N/A | C:\Users\Admin\AppData\Local\Temp\InstallerKms.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\InstallerKms.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\openwith.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\openwith.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\openwith.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\openwith.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\openwith.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\sihost.exe
sihost.exe
C:\Users\Admin\AppData\Local\Temp\InstallerKms.exe
"C:\Users\Admin\AppData\Local\Temp\InstallerKms.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
C:\Windows\SysWOW64\openwith.exe
"C:\Windows\system32\openwith.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2252 -ip 2252
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2252 -s 432
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2252 -ip 2252
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2252 -s 428
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | bitbucket.org | udp |
| IE | 185.166.142.23:443 | bitbucket.org | tcp |
| US | 8.8.8.8:53 | 64.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.142.166.185.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
Files
memory/2252-6-0x0000000000400000-0x000000000047E000-memory.dmp
memory/2252-8-0x0000000000400000-0x000000000047E000-memory.dmp
memory/2252-7-0x0000000000400000-0x000000000047E000-memory.dmp
memory/2252-9-0x0000000000400000-0x000000000047E000-memory.dmp
memory/2252-11-0x0000000003A60000-0x0000000003E60000-memory.dmp
memory/2252-10-0x0000000003A60000-0x0000000003E60000-memory.dmp
memory/2252-12-0x0000000003A60000-0x0000000003E60000-memory.dmp
memory/2252-14-0x0000000003A60000-0x0000000003E60000-memory.dmp
memory/2252-13-0x00007FFEDF1B0000-0x00007FFEDF3A5000-memory.dmp
memory/4916-17-0x0000000000F60000-0x0000000000F69000-memory.dmp
memory/2252-16-0x00000000760B0000-0x00000000762C5000-memory.dmp
memory/4916-20-0x0000000000F60000-0x0000000000F69000-memory.dmp
memory/4916-19-0x0000000002E30000-0x0000000003230000-memory.dmp
memory/4916-21-0x00007FFEDF1B0000-0x00007FFEDF3A5000-memory.dmp
memory/4916-23-0x00000000760B0000-0x00000000762C5000-memory.dmp
memory/2252-24-0x0000000003A60000-0x0000000003E60000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-09-23 03:59
Reported
2024-09-23 04:02
Platform
win7-20240903-en
Max time kernel
119s
Max time network
121s
Command Line
Signatures
Processes
C:\Users\Admin\AppData\Local\Temp\InstallerKms.exe
"C:\Users\Admin\AppData\Local\Temp\InstallerKms.exe"