Analysis Overview
SHA256
525cd3c91deab270ede58401517e6c5bc999e3b0fae7dce1cb94fd50c7c20840
Threat Level: Known bad
The file microsoft.exe was found to be: Known bad.
Malicious Activity Summary
Xenorat family
XenorRat
Detect XenoRat Payload
Executes dropped EXE
Checks computer location settings
Enumerates physical storage devices
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious use of AdjustPrivilegeToken
Suspicious use of SendNotifyMessage
Checks SCSI registry key(s)
Suspicious use of WriteProcessMemory
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Scheduled Task/Job: Scheduled Task
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2025-03-23 19:51
Signatures
Detect XenoRat Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Xenorat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2025-03-23 19:51
Reported
2025-03-23 20:03
Platform
win10ltsc2021-20250314-en
Max time kernel
149s
Max time network
149s
Command Line
Signatures
Detect XenoRat Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
XenorRat
Xenorat family
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2123103809-19148277-2527443841-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\microsoft.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\XenoManager\microsoft.exe | N/A |
Enumerates physical storage devices
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\microsoft.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Roaming\XenoManager\microsoft.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\schtasks.exe | N/A |
Checks SCSI registry key(s)
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\FriendlyName | C:\Windows\system32\taskmgr.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000 | C:\Windows\system32\taskmgr.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A | C:\Windows\system32\taskmgr.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-2123103809-19148277-2527443841-1000_Classes\Local Settings | C:\Windows\system32\taskmgr.exe | N/A |
Scheduled Task/Job: Scheduled Task
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\system32\taskmgr.exe | N/A |
| Token: SeSystemProfilePrivilege | N/A | C:\Windows\system32\taskmgr.exe | N/A |
| Token: SeCreateGlobalPrivilege | N/A | C:\Windows\system32\taskmgr.exe | N/A |
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1612 wrote to memory of 3944 | N/A | C:\Users\Admin\AppData\Local\Temp\microsoft.exe | C:\Users\Admin\AppData\Roaming\XenoManager\microsoft.exe |
| PID 1612 wrote to memory of 3944 | N/A | C:\Users\Admin\AppData\Local\Temp\microsoft.exe | C:\Users\Admin\AppData\Roaming\XenoManager\microsoft.exe |
| PID 1612 wrote to memory of 3944 | N/A | C:\Users\Admin\AppData\Local\Temp\microsoft.exe | C:\Users\Admin\AppData\Roaming\XenoManager\microsoft.exe |
| PID 3944 wrote to memory of 4056 | N/A | C:\Users\Admin\AppData\Roaming\XenoManager\microsoft.exe | C:\Windows\SysWOW64\schtasks.exe |
| PID 3944 wrote to memory of 4056 | N/A | C:\Users\Admin\AppData\Roaming\XenoManager\microsoft.exe | C:\Windows\SysWOW64\schtasks.exe |
| PID 3944 wrote to memory of 4056 | N/A | C:\Users\Admin\AppData\Roaming\XenoManager\microsoft.exe | C:\Windows\SysWOW64\schtasks.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\microsoft.exe
"C:\Users\Admin\AppData\Local\Temp\microsoft.exe"
C:\Users\Admin\AppData\Roaming\XenoManager\microsoft.exe
"C:\Users\Admin\AppData\Roaming\XenoManager\microsoft.exe"
C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /Create /TN "Microsoft" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB17D.tmp" /F
C:\Windows\system32\taskmgr.exe
"C:\Windows\system32\taskmgr.exe" /4
C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
Network
| Country | Destination | Domain | Proto |
| KR | 221.150.223.183:4444 | tcp | |
| KR | 221.150.223.183:4444 | tcp | |
| GB | 142.250.187.195:80 | c.pki.goog | tcp |
| US | 8.8.8.8:53 | checkappexec.microsoft.com | udp |
| KR | 221.150.223.183:4444 | tcp | |
| GB | 172.165.69.228:443 | checkappexec.microsoft.com | tcp |
| KR | 221.150.223.183:4444 | tcp | |
| KR | 221.150.223.183:4444 | tcp |
Files
memory/1612-0-0x000000007496E000-0x000000007496F000-memory.dmp
memory/1612-1-0x0000000000CE0000-0x0000000000CF2000-memory.dmp
C:\Users\Admin\AppData\Roaming\XenoManager\microsoft.exe
| MD5 | a7d5bf091a81df104f97facf96bafde8 |
| SHA1 | 93e8d49b836e4bac8b36e2428176831351c51c88 |
| SHA256 | 525cd3c91deab270ede58401517e6c5bc999e3b0fae7dce1cb94fd50c7c20840 |
| SHA512 | 156bd78011c6155fe7e7cb550e32cbafe77369f5debeca231d9d9782f5c02d8b1345650790442a3372c92c84d26414b1cca4499c456d4a2e8ce405a89207b2e1 |
memory/3944-4-0x0000000074960000-0x0000000075111000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmpB17D.tmp
| MD5 | 685b4b5103b4562a703510c6d0b8fb17 |
| SHA1 | 68fb107ba0aebdb4664a99bb0e26605e11f30926 |
| SHA256 | 2b7a058b9d2b11adc4df10cb24e13a16a127700433856a2880e199410fd9bb27 |
| SHA512 | 50021e5f9cf1254258d21e76bcd0abd11fdad37ef4b2b5fad15b03c14e5e9f030001a14c853e485002754e8ce16b4c90e31d03187522d1fc72944fc4967d5653 |
memory/3944-7-0x0000000074960000-0x0000000075111000-memory.dmp
memory/3944-8-0x0000000074960000-0x0000000075111000-memory.dmp
memory/3916-11-0x00000218BC910000-0x00000218BC911000-memory.dmp
memory/3916-10-0x00000218BC910000-0x00000218BC911000-memory.dmp
memory/3916-9-0x00000218BC910000-0x00000218BC911000-memory.dmp
memory/3916-21-0x00000218BC910000-0x00000218BC911000-memory.dmp
memory/3916-20-0x00000218BC910000-0x00000218BC911000-memory.dmp
memory/3916-19-0x00000218BC910000-0x00000218BC911000-memory.dmp
memory/3916-18-0x00000218BC910000-0x00000218BC911000-memory.dmp
memory/3916-17-0x00000218BC910000-0x00000218BC911000-memory.dmp
memory/3916-16-0x00000218BC910000-0x00000218BC911000-memory.dmp
memory/3916-15-0x00000218BC910000-0x00000218BC911000-memory.dmp