Analysis Overview
SHA256
75343d0600408ab8c82422d5e1d9b6f25525c746ad83a8911fc07f9847bb274f
Threat Level: Known bad
The file 94f929e1bda799fb59475ec2f6a87496 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 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
2024-02-06 16:26
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-02-06 16:26
Reported
2024-02-06 16:29
Platform
win7-20231215-en
Max time kernel
148s
Max time network
140s
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 |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{A3J2782G-T4A6-R3H8-LOW8-TU63JIK7EA10}\StubPath = "C:\\Windows\\InstallDir\\Cftmon.exe restart" | C:\Users\Admin\AppData\Local\Temp\94f929e1bda799fb59475ec2f6a87496.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{A3J2782G-T4A6-R3H8-LOW8-TU63JIK7EA10} | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{A3J2782G-T4A6-R3H8-LOW8-TU63JIK7EA10}\StubPath = "C:\\Windows\\InstallDir\\Cftmon.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{A3J2782G-T4A6-R3H8-LOW8-TU63JIK7EA10} | C:\Users\Admin\AppData\Local\Temp\94f929e1bda799fb59475ec2f6a87496.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 |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\Cftmon.exe" | C:\Users\Admin\AppData\Local\Temp\94f929e1bda799fb59475ec2f6a87496.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Cftmon.exe" | C:\Users\Admin\AppData\Local\Temp\94f929e1bda799fb59475ec2f6a87496.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\Cftmon.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Cftmon.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1448 set thread context of 1592 | N/A | C:\Users\Admin\AppData\Local\Temp\94f929e1bda799fb59475ec2f6a87496.exe | C:\Users\Admin\AppData\Local\Temp\94f929e1bda799fb59475ec2f6a87496.exe |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\InstallDir\Cftmon.exe | C:\Users\Admin\AppData\Local\Temp\94f929e1bda799fb59475ec2f6a87496.exe | N/A |
| File created | C:\Windows\InstallDir\Cftmon.exe | C:\Users\Admin\AppData\Local\Temp\94f929e1bda799fb59475ec2f6a87496.exe | N/A |
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\94f929e1bda799fb59475ec2f6a87496.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\94f929e1bda799fb59475ec2f6a87496.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\94f929e1bda799fb59475ec2f6a87496.exe
"C:\Users\Admin\AppData\Local\Temp\94f929e1bda799fb59475ec2f6a87496.exe"
C:\Users\Admin\AppData\Local\Temp\94f929e1bda799fb59475ec2f6a87496.exe
C:\Users\Admin\AppData\Local\Temp\94f929e1bda799fb59475ec2f6a87496.exe
C:\Windows\SysWOW64\svchost.exe
svchost.exe
C:\Windows\SysWOW64\explorer.exe
explorer.exe
C:\Windows\SysWOW64\explorer.exe
explorer.exe
C:\Windows\SysWOW64\explorer.exe
explorer.exe
C:\Windows\SysWOW64\explorer.exe
explorer.exe
C:\Windows\SysWOW64\explorer.exe
explorer.exe
C:\Windows\SysWOW64\explorer.exe
explorer.exe
C:\Windows\SysWOW64\explorer.exe
explorer.exe
C:\Windows\SysWOW64\explorer.exe
explorer.exe
C:\Windows\SysWOW64\explorer.exe
explorer.exe
C:\Windows\SysWOW64\explorer.exe
explorer.exe
C:\Windows\SysWOW64\explorer.exe
explorer.exe
C:\Windows\SysWOW64\explorer.exe
explorer.exe
C:\Windows\SysWOW64\explorer.exe
explorer.exe
C:\Windows\SysWOW64\explorer.exe
explorer.exe
C:\Windows\SysWOW64\explorer.exe
explorer.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | worldkings.dyndns.org | udp |
Files
memory/1592-2-0x0000000000C80000-0x0000000000C95000-memory.dmp
memory/1592-4-0x0000000000C80000-0x0000000000C95000-memory.dmp
memory/1592-8-0x0000000000C80000-0x0000000000C95000-memory.dmp
memory/1592-7-0x0000000000C80000-0x0000000000C95000-memory.dmp
memory/1592-6-0x0000000000C80000-0x0000000000C95000-memory.dmp
memory/2760-14-0x0000000000C80000-0x0000000000C95000-memory.dmp
memory/2760-16-0x0000000000C80000-0x0000000000C95000-memory.dmp
C:\Windows\InstallDir\Cftmon.exe
| MD5 | 94f929e1bda799fb59475ec2f6a87496 |
| SHA1 | 18218a6e889561a91406b8fd9b37dc220ecdedef |
| SHA256 | 75343d0600408ab8c82422d5e1d9b6f25525c746ad83a8911fc07f9847bb274f |
| SHA512 | 363ee45e51fb000e714fd6980496038376bd07678a5735ea94080a113e568b0ce2bcb70a2b18db5642bd71aaafb92ee441b33534b6a830f6d0f247fd3cc049ac |
memory/1592-19-0x0000000000C80000-0x0000000000C95000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-06 16:26
Reported
2024-02-06 16:29
Platform
win10v2004-20231222-en
Max time kernel
146s
Max time network
147s
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 |
XtremeRAT
Modifies Installed Components in the registry
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{A3J2782G-T4A6-R3H8-LOW8-TU63JIK7EA10} | C:\Users\Admin\AppData\Local\Temp\94f929e1bda799fb59475ec2f6a87496.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{A3J2782G-T4A6-R3H8-LOW8-TU63JIK7EA10}\StubPath = "C:\\Windows\\InstallDir\\Cftmon.exe restart" | C:\Users\Admin\AppData\Local\Temp\94f929e1bda799fb59475ec2f6a87496.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{A3J2782G-T4A6-R3H8-LOW8-TU63JIK7EA10} | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{A3J2782G-T4A6-R3H8-LOW8-TU63JIK7EA10}\StubPath = "C:\\Windows\\InstallDir\\Cftmon.exe" | C:\Windows\SysWOW64\svchost.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 |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\Cftmon.exe" | C:\Users\Admin\AppData\Local\Temp\94f929e1bda799fb59475ec2f6a87496.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Cftmon.exe" | C:\Users\Admin\AppData\Local\Temp\94f929e1bda799fb59475ec2f6a87496.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\Cftmon.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Cftmon.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1232 set thread context of 3016 | N/A | C:\Users\Admin\AppData\Local\Temp\94f929e1bda799fb59475ec2f6a87496.exe | C:\Users\Admin\AppData\Local\Temp\94f929e1bda799fb59475ec2f6a87496.exe |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\InstallDir\Cftmon.exe | C:\Users\Admin\AppData\Local\Temp\94f929e1bda799fb59475ec2f6a87496.exe | N/A |
| File created | C:\Windows\InstallDir\Cftmon.exe | C:\Users\Admin\AppData\Local\Temp\94f929e1bda799fb59475ec2f6a87496.exe | N/A |
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\94f929e1bda799fb59475ec2f6a87496.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\explorer.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\94f929e1bda799fb59475ec2f6a87496.exe
"C:\Users\Admin\AppData\Local\Temp\94f929e1bda799fb59475ec2f6a87496.exe"
C:\Users\Admin\AppData\Local\Temp\94f929e1bda799fb59475ec2f6a87496.exe
C:\Users\Admin\AppData\Local\Temp\94f929e1bda799fb59475ec2f6a87496.exe
C:\Windows\SysWOW64\svchost.exe
svchost.exe
C:\Windows\SysWOW64\explorer.exe
explorer.exe
C:\Windows\SysWOW64\explorer.exe
explorer.exe
C:\Windows\SysWOW64\explorer.exe
explorer.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 181.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | worldkings.dyndns.org | udp |
| US | 8.8.8.8:53 | worldkings.dyndns.org | udp |
| US | 20.231.121.79:80 | tcp | |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | worldkings.dyndns.org | udp |
| US | 8.8.8.8:53 | worldkings.dyndns.org | udp |
| US | 8.8.8.8:53 | worldkings.dyndns.org | udp |
| US | 8.8.8.8:53 | worldkings.dyndns.org | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | worldkings.dyndns.org | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | worldkings.dyndns.org | udp |
| US | 8.8.8.8:53 | worldkings.dyndns.org | udp |
| US | 8.8.8.8:53 | worldkings.dyndns.org | udp |
| US | 8.8.8.8:53 | worldkings.dyndns.org | udp |
| US | 8.8.8.8:53 | worldkings.dyndns.org | udp |
| US | 8.8.8.8:53 | 204.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | worldkings.dyndns.org | udp |
| US | 8.8.8.8:53 | worldkings.dyndns.org | udp |
| US | 8.8.8.8:53 | worldkings.dyndns.org | udp |
| US | 8.8.8.8:53 | worldkings.dyndns.org | udp |
| US | 8.8.8.8:53 | worldkings.dyndns.org | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | worldkings.dyndns.org | udp |
| US | 8.8.8.8:53 | 224.78.101.95.in-addr.arpa | udp |
| US | 8.8.8.8:53 | worldkings.dyndns.org | udp |
| US | 8.8.8.8:53 | worldkings.dyndns.org | udp |
| US | 8.8.8.8:53 | worldkings.dyndns.org | udp |
| US | 8.8.8.8:53 | worldkings.dyndns.org | udp |
| US | 8.8.8.8:53 | worldkings.dyndns.org | udp |
| US | 8.8.8.8:53 | worldkings.dyndns.org | udp |
| US | 8.8.8.8:53 | worldkings.dyndns.org | udp |
| US | 8.8.8.8:53 | worldkings.dyndns.org | udp |
| US | 8.8.8.8:53 | worldkings.dyndns.org | udp |
| US | 8.8.8.8:53 | worldkings.dyndns.org | udp |
| US | 8.8.8.8:53 | worldkings.dyndns.org | udp |
Files
memory/3016-4-0x0000000000C80000-0x0000000000C95000-memory.dmp
memory/3016-6-0x0000000000C80000-0x0000000000C95000-memory.dmp
memory/3016-5-0x0000000000C80000-0x0000000000C95000-memory.dmp
memory/3016-2-0x0000000000C80000-0x0000000000C95000-memory.dmp
C:\Windows\InstallDir\Cftmon.exe
| MD5 | 94f929e1bda799fb59475ec2f6a87496 |
| SHA1 | 18218a6e889561a91406b8fd9b37dc220ecdedef |
| SHA256 | 75343d0600408ab8c82422d5e1d9b6f25525c746ad83a8911fc07f9847bb274f |
| SHA512 | 363ee45e51fb000e714fd6980496038376bd07678a5735ea94080a113e568b0ce2bcb70a2b18db5642bd71aaafb92ee441b33534b6a830f6d0f247fd3cc049ac |
memory/3164-12-0x0000000000C80000-0x0000000000C95000-memory.dmp
memory/4936-14-0x0000000000C80000-0x0000000000C95000-memory.dmp
memory/3016-15-0x0000000000C80000-0x0000000000C95000-memory.dmp
memory/4936-17-0x0000000000C80000-0x0000000000C95000-memory.dmp