Analysis Overview
SHA256
5de1b185af3cba8d103622352add97ef0c370af46880a75b22ab9932700c0c05
Threat Level: Known bad
The file 91aa5d934b531c5332e1ffecc778f52c was found to be: Known bad.
Malicious Activity Summary
Xtremerat family
XtremeRAT
Detect XtremeRAT payload
Modifies Installed Components in the registry
Adds Run key to start application
Drops file in System32 directory
Enumerates physical storage devices
Program crash
Unsigned PE
Suspicious behavior: SetClipboardViewer
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-02-05 09:44
Signatures
Detect XtremeRAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Xtremerat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-02-05 09:44
Reported
2024-02-05 09:47
Platform
win7-20231215-en
Max time kernel
150s
Max time network
153s
Command Line
Signatures
Detect XtremeRAT 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 |
| N/A | N/A | N/A | N/A |
XtremeRAT
Modifies Installed Components in the registry
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2} | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\system32\\Microsoft\\ScriptX.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2} | C:\Users\Admin\AppData\Local\Temp\91aa5d934b531c5332e1ffecc778f52c.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\system32\\Microsoft\\ScriptX.exe restart" | C:\Users\Admin\AppData\Local\Temp\91aa5d934b531c5332e1ffecc778f52c.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft = "C:\\Windows\\system32\\Microsoft\\ScriptX.exe" | C:\Users\Admin\AppData\Local\Temp\91aa5d934b531c5332e1ffecc778f52c.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\Microsoft\\ScriptX.exe" | C:\Users\Admin\AppData\Local\Temp\91aa5d934b531c5332e1ffecc778f52c.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft = "C:\\Windows\\system32\\Microsoft\\ScriptX.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\Microsoft\\ScriptX.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\Microsoft\ScriptX.exe | C:\Users\Admin\AppData\Local\Temp\91aa5d934b531c5332e1ffecc778f52c.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\Microsoft\ScriptX.exe | C:\Users\Admin\AppData\Local\Temp\91aa5d934b531c5332e1ffecc778f52c.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: SetClipboardViewer
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\91aa5d934b531c5332e1ffecc778f52c.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3028 wrote to memory of 816 | N/A | C:\Users\Admin\AppData\Local\Temp\91aa5d934b531c5332e1ffecc778f52c.exe | C:\Windows\SysWOW64\svchost.exe |
| PID 3028 wrote to memory of 816 | N/A | C:\Users\Admin\AppData\Local\Temp\91aa5d934b531c5332e1ffecc778f52c.exe | C:\Windows\SysWOW64\svchost.exe |
| PID 3028 wrote to memory of 816 | N/A | C:\Users\Admin\AppData\Local\Temp\91aa5d934b531c5332e1ffecc778f52c.exe | C:\Windows\SysWOW64\svchost.exe |
| PID 3028 wrote to memory of 816 | N/A | C:\Users\Admin\AppData\Local\Temp\91aa5d934b531c5332e1ffecc778f52c.exe | C:\Windows\SysWOW64\svchost.exe |
| PID 3028 wrote to memory of 816 | N/A | C:\Users\Admin\AppData\Local\Temp\91aa5d934b531c5332e1ffecc778f52c.exe | C:\Windows\SysWOW64\svchost.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\91aa5d934b531c5332e1ffecc778f52c.exe
"C:\Users\Admin\AppData\Local\Temp\91aa5d934b531c5332e1ffecc778f52c.exe"
C:\Windows\SysWOW64\svchost.exe
svchost.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | samia-a1.no-ip.org | udp |
Files
memory/816-0-0x0000000010000000-0x000000001004A000-memory.dmp
memory/816-2-0x0000000010000000-0x000000001004A000-memory.dmp
C:\Windows\SysWOW64\Microsoft\ScriptX.exe
| MD5 | 91aa5d934b531c5332e1ffecc778f52c |
| SHA1 | 4fa4f51b7b3bd42fbe2e748cc84a0a8f0faf34f8 |
| SHA256 | 5de1b185af3cba8d103622352add97ef0c370af46880a75b22ab9932700c0c05 |
| SHA512 | d3919bdfb4a906e3dd6a7f934dfc0f510324a7da3e88ae167fba30bf049484745083677fe03425d4d05376293ab83f4501ae6073f32e22586e71588cd67fa805 |
memory/3028-5-0x0000000010000000-0x000000001004A000-memory.dmp
memory/816-7-0x0000000010000000-0x000000001004A000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-05 09:44
Reported
2024-02-05 09:47
Platform
win10v2004-20231215-en
Max time kernel
92s
Max time network
94s
Command Line
Signatures
Detect XtremeRAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
XtremeRAT
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\91aa5d934b531c5332e1ffecc778f52c.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\91aa5d934b531c5332e1ffecc778f52c.exe
"C:\Users\Admin\AppData\Local\Temp\91aa5d934b531c5332e1ffecc778f52c.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 824 -ip 824
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 824 -s 508
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 175.178.17.96.in-addr.arpa | udp |
Files
memory/824-0-0x0000000010000000-0x000000001004A000-memory.dmp