Analysis Overview
SHA256
be3d36107b945e834dea3913f487e7b39d680975a0c363f3b06ce9559bcf19a9
Threat Level: Known bad
The file 80bcb5330f6c171e3fbf0fe974b2b74d was found to be: Known bad.
Malicious Activity Summary
Detect XtremeRAT payload
XtremeRAT
Modifies Installed Components in the registry
UPX packed file
Adds Run key to start application
Suspicious use of SetThreadContext
Drops file in System32 directory
Enumerates physical storage devices
Program crash
Unsigned PE
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-01-29 20:01
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-29 20:01
Reported
2024-01-29 20:04
Platform
win7-20231215-en
Max time kernel
120s
Max time network
123s
Command Line
Signatures
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\80bcb5330f6c171e3fbf0fe974b2b74d.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\80bcb5330f6c171e3fbf0fe974b2b74d.exe
"C:\Users\Admin\AppData\Local\Temp\80bcb5330f6c171e3fbf0fe974b2b74d.exe"
Network
Files
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-29 20:01
Reported
2024-01-29 20:04
Platform
win10v2004-20231215-en
Max time kernel
151s
Max time network
143s
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 |
| 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 |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{3YFNV53O-OWO5-8K78-85A6-080RIK7S28P5}\StubPath = "C:\\Windows\\system32\\Windows\\taskhost.exe restart" | C:\Users\Admin\AppData\Local\Temp\80bcb5330f6c171e3fbf0fe974b2b74d.EXE | N/A |
| Key created | \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{3YFNV53O-OWO5-8K78-85A6-080RIK7S28P5} | C:\Users\Admin\AppData\Local\Temp\80bcb5330f6c171e3fbf0fe974b2b74d.EXE | N/A |
UPX packed file
| 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 |
| 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 |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\windows = "C:\\Windows\\system32\\Windows\\taskhost.exe" | C:\Users\Admin\AppData\Local\Temp\80bcb5330f6c171e3fbf0fe974b2b74d.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\original = "C:\\Windows\\system32\\Windows\\taskhost.exe" | C:\Users\Admin\AppData\Local\Temp\80bcb5330f6c171e3fbf0fe974b2b74d.EXE | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\Windows\taskhost.exe | C:\Users\Admin\AppData\Local\Temp\80bcb5330f6c171e3fbf0fe974b2b74d.EXE | N/A |
| File created | C:\Windows\SysWOW64\Windows\taskhost.exe | C:\Users\Admin\AppData\Local\Temp\80bcb5330f6c171e3fbf0fe974b2b74d.EXE | N/A |
| File opened for modification | C:\Windows\SysWOW64\Windows\ | C:\Users\Admin\AppData\Local\Temp\80bcb5330f6c171e3fbf0fe974b2b74d.EXE | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4884 set thread context of 556 | N/A | C:\Users\Admin\AppData\Local\Temp\80bcb5330f6c171e3fbf0fe974b2b74d.exe | C:\Users\Admin\AppData\Local\Temp\80bcb5330f6c171e3fbf0fe974b2b74d.EXE |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\svchost.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\svchost.exe |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\80bcb5330f6c171e3fbf0fe974b2b74d.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\80bcb5330f6c171e3fbf0fe974b2b74d.EXE | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\80bcb5330f6c171e3fbf0fe974b2b74d.exe
"C:\Users\Admin\AppData\Local\Temp\80bcb5330f6c171e3fbf0fe974b2b74d.exe"
C:\Users\Admin\AppData\Local\Temp\80bcb5330f6c171e3fbf0fe974b2b74d.EXE
"C:\Users\Admin\AppData\Local\Temp\80bcb5330f6c171e3fbf0fe974b2b74d.EXE"
C:\Windows\SysWOW64\svchost.exe
svchost.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3924 -ip 3924
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3924 -s 480
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3924 -ip 3924
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3924 -s 488
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 | 210.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | xtremeratbilubilu.ddns.net | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.32.126.40.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 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 16.160.77.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 150.1.37.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 208.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 178.223.142.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 204.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.179.89.13.in-addr.arpa | udp |
Files
memory/556-2-0x0000000010000000-0x000000001015D000-memory.dmp
memory/556-4-0x0000000010000000-0x000000001015D000-memory.dmp
memory/556-5-0x0000000010000000-0x000000001015D000-memory.dmp
memory/556-6-0x0000000010000000-0x000000001015D000-memory.dmp
memory/3924-7-0x0000000010000000-0x000000001015D000-memory.dmp
memory/556-10-0x0000000010000000-0x000000001015D000-memory.dmp
memory/556-11-0x0000000010000000-0x000000001015D000-memory.dmp
memory/556-12-0x0000000010000000-0x000000001015D000-memory.dmp
memory/3924-13-0x0000000010000000-0x000000001015D000-memory.dmp
memory/556-14-0x0000000010000000-0x000000001015D000-memory.dmp