Analysis Overview
SHA256
8ea22f84611c5391cef5fc138310569b8c30e23d6c09d5613b2c2d84b28bfbcb
Threat Level: Known bad
The file 80b30a2fa4ea5d245df66a954bb41bec was found to be: Known bad.
Malicious Activity Summary
Detect XtremeRAT payload
XtremeRAT
Xtremerat family
Modifies Installed Components in the registry
Adds Run key to start application
Drops file in Windows directory
Enumerates physical storage devices
Unsigned PE
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-01-29 19:42
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: behavioral2
Detonation Overview
Submitted
2024-01-29 19:42
Reported
2024-01-29 19:45
Platform
win10v2004-20231215-en
Max time kernel
150s
Max time network
150s
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 |
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\\InstallDir\\Server.exe restart" | 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\80b30a2fa4ea5d245df66a954bb41bec.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\InstallDir\\Server.exe restart" | C:\Users\Admin\AppData\Local\Temp\80b30a2fa4ea5d245df66a954bb41bec.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe" | C:\Users\Admin\AppData\Local\Temp\80b30a2fa4ea5d245df66a954bb41bec.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\Server.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\Server.exe" | C:\Users\Admin\AppData\Local\Temp\80b30a2fa4ea5d245df66a954bb41bec.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\InstallDir\Server.exe | C:\Users\Admin\AppData\Local\Temp\80b30a2fa4ea5d245df66a954bb41bec.exe | N/A |
| File created | C:\Windows\InstallDir\Server.exe | C:\Users\Admin\AppData\Local\Temp\80b30a2fa4ea5d245df66a954bb41bec.exe | N/A |
| File opened for modification | C:\Windows\InstallDir\ | C:\Users\Admin\AppData\Local\Temp\80b30a2fa4ea5d245df66a954bb41bec.exe | N/A |
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\explorer.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\80b30a2fa4ea5d245df66a954bb41bec.exe
"C:\Users\Admin\AppData\Local\Temp\80b30a2fa4ea5d245df66a954bb41bec.exe"
C:\Windows\SysWOW64\svchost.exe
svchost.exe
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
C:\Windows\SysWOW64\explorer.exe
explorer.exe
Network
| Country | Destination | Domain | Proto |
| US | 138.91.171.81:80 | tcp | |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| N/A | 127.0.0.1:81 | tcp | |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| N/A | 127.0.0.1:81 | tcp | |
| US | 8.8.8.8:53 | 16.234.44.23.in-addr.arpa | udp |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| N/A | 127.0.0.1:81 | tcp | |
| US | 8.8.8.8:53 | 134.71.91.104.in-addr.arpa | udp |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| US | 8.8.8.8:53 | 201.178.17.96.in-addr.arpa | udp |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| N/A | 127.0.0.1:81 | tcp | |
| US | 8.8.8.8:53 | 177.178.17.96.in-addr.arpa | udp |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp |
Files
memory/1100-6-0x0000000000C80000-0x0000000000C93000-memory.dmp
C:\Windows\InstallDir\Server.exe
| MD5 | 80b30a2fa4ea5d245df66a954bb41bec |
| SHA1 | 04a84853e305914e88abf98c9928a0017122117e |
| SHA256 | 8ea22f84611c5391cef5fc138310569b8c30e23d6c09d5613b2c2d84b28bfbcb |
| SHA512 | 241e0d999ee4498181d1a214c96fabc1a33696ba5724c2580fe48f2c85ff1674ffd9f654c3ca25183998a2253ef924a93993e7e6520c182d403fa2d3988f82f9 |
memory/4868-8-0x0000000000C80000-0x0000000000C93000-memory.dmp
memory/1044-9-0x0000000000C80000-0x0000000000C93000-memory.dmp
memory/4868-11-0x0000000000C80000-0x0000000000C93000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-29 19:42
Reported
2024-01-29 19:44
Platform
win7-20231215-en
Max time kernel
146s
Max time network
125s
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 |
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:\Users\Admin\AppData\Local\Temp\80b30a2fa4ea5d245df66a954bb41bec.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\InstallDir\\Server.exe restart" | C:\Users\Admin\AppData\Local\Temp\80b30a2fa4ea5d245df66a954bb41bec.exe | N/A |
| 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\\InstallDir\\Server.exe restart" | C:\Windows\SysWOW64\svchost.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe" | C:\Users\Admin\AppData\Local\Temp\80b30a2fa4ea5d245df66a954bb41bec.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\Server.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\Server.exe" | C:\Users\Admin\AppData\Local\Temp\80b30a2fa4ea5d245df66a954bb41bec.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\InstallDir\Server.exe | C:\Users\Admin\AppData\Local\Temp\80b30a2fa4ea5d245df66a954bb41bec.exe | N/A |
| File opened for modification | C:\Windows\InstallDir\ | C:\Users\Admin\AppData\Local\Temp\80b30a2fa4ea5d245df66a954bb41bec.exe | N/A |
| File opened for modification | C:\Windows\InstallDir\Server.exe | C:\Users\Admin\AppData\Local\Temp\80b30a2fa4ea5d245df66a954bb41bec.exe | N/A |
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\explorer.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\80b30a2fa4ea5d245df66a954bb41bec.exe
"C:\Users\Admin\AppData\Local\Temp\80b30a2fa4ea5d245df66a954bb41bec.exe"
C:\Windows\SysWOW64\svchost.exe
svchost.exe
C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
C:\Windows\SysWOW64\explorer.exe
explorer.exe
Network
| Country | Destination | Domain | Proto |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp | |
| N/A | 127.0.0.1:81 | tcp |
Files
memory/3056-6-0x0000000000C80000-0x0000000000C93000-memory.dmp
memory/3056-8-0x0000000000C80000-0x0000000000C93000-memory.dmp
C:\Windows\InstallDir\Server.exe
| MD5 | 80b30a2fa4ea5d245df66a954bb41bec |
| SHA1 | 04a84853e305914e88abf98c9928a0017122117e |
| SHA256 | 8ea22f84611c5391cef5fc138310569b8c30e23d6c09d5613b2c2d84b28bfbcb |
| SHA512 | 241e0d999ee4498181d1a214c96fabc1a33696ba5724c2580fe48f2c85ff1674ffd9f654c3ca25183998a2253ef924a93993e7e6520c182d403fa2d3988f82f9 |
memory/2836-12-0x0000000000C80000-0x0000000000C93000-memory.dmp
memory/2060-13-0x0000000000C80000-0x0000000000C93000-memory.dmp
memory/2836-15-0x0000000000C80000-0x0000000000C93000-memory.dmp