Analysis Overview
SHA256
caacc6fd0c872b2445fde0364008d8170368fd750febd139e0c37b537061d4aa
Threat Level: Known bad
The file XClient.bat was found to be: Known bad.
Malicious Activity Summary
Xworm family
Xworm
Detect Xworm Payload
Executes dropped EXE
Checks computer location settings
Adds Run key to start application
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
Checks SCSI registry key(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of SendNotifyMessage
Uses Task Scheduler COM API
Suspicious use of FindShellTrayWindow
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-01 02:09
Signatures
Detect Xworm Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Xworm family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-01 02:09
Reported
2024-06-01 02:10
Platform
win10v2004-20240508-en
Max time kernel
46s
Max time network
46s
Command Line
Signatures
Detect Xworm Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Xworm
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\XClient.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\XClient.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Roaming\\XClient.exe" | C:\Users\Admin\AppData\Local\Temp\XClient.exe | N/A |
Enumerates physical storage devices
Checks SCSI registry key(s)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000 | C:\Windows\system32\taskmgr.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A | C:\Windows\system32\taskmgr.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName | C:\Windows\system32\taskmgr.exe | N/A |
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\XClient.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\XClient.exe | N/A |
| 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 |
| Token: 33 | N/A | C:\Windows\system32\taskmgr.exe | N/A |
| Token: SeIncBasePriorityPrivilege | 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 4564 wrote to memory of 4284 | N/A | C:\Users\Admin\AppData\Local\Temp\XClient.exe | C:\Windows\System32\schtasks.exe |
| PID 4564 wrote to memory of 4284 | N/A | C:\Users\Admin\AppData\Local\Temp\XClient.exe | C:\Windows\System32\schtasks.exe |
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\XClient.exe
"C:\Users\Admin\AppData\Local\Temp\XClient.exe"
C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "XClient" /tr "C:\Users\Admin\AppData\Roaming\XClient.exe"
C:\Users\Admin\AppData\Roaming\XClient.exe
C:\Users\Admin\AppData\Roaming\XClient.exe
C:\Windows\system32\taskmgr.exe
"C:\Windows\system32\taskmgr.exe" /4
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 76.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | blood-sticker.gl.at.ply.gg | udp |
| US | 147.185.221.19:65461 | blood-sticker.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.221.185.147.in-addr.arpa | udp |
| US | 147.185.221.19:65461 | blood-sticker.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
Files
memory/4564-0-0x00007FFDB32A3000-0x00007FFDB32A5000-memory.dmp
memory/4564-1-0x0000000000CF0000-0x0000000000D00000-memory.dmp
memory/4564-5-0x00007FFDB32A0000-0x00007FFDB3D61000-memory.dmp
C:\Users\Admin\AppData\Roaming\XClient.exe
| MD5 | 9b0ec63c76348957b6eec9d0cbb20a6b |
| SHA1 | 96d10e7bd9b9e946ed415596066250502b78f570 |
| SHA256 | caacc6fd0c872b2445fde0364008d8170368fd750febd139e0c37b537061d4aa |
| SHA512 | 8a96bc1bca0d18ae99ed2c0b05dbdfbd6530586251da6ae04bedaeb752760426f66a04a39141a2f0d0b26c6c5bdb616738dca42a1078ea3f64fe779c1c1caba6 |
memory/1956-8-0x00007FFDB32A0000-0x00007FFDB3D61000-memory.dmp
memory/1956-10-0x00007FFDB32A0000-0x00007FFDB3D61000-memory.dmp
memory/4564-11-0x000000001BAF0000-0x000000001BAFA000-memory.dmp
memory/4564-12-0x00007FFDB32A3000-0x00007FFDB32A5000-memory.dmp
memory/3808-13-0x0000021746100000-0x0000021746101000-memory.dmp
memory/3808-15-0x0000021746100000-0x0000021746101000-memory.dmp
memory/3808-14-0x0000021746100000-0x0000021746101000-memory.dmp
memory/3808-20-0x0000021746100000-0x0000021746101000-memory.dmp
memory/3808-25-0x0000021746100000-0x0000021746101000-memory.dmp
memory/3808-24-0x0000021746100000-0x0000021746101000-memory.dmp
memory/3808-23-0x0000021746100000-0x0000021746101000-memory.dmp
memory/3808-22-0x0000021746100000-0x0000021746101000-memory.dmp
memory/3808-21-0x0000021746100000-0x0000021746101000-memory.dmp
memory/3808-19-0x0000021746100000-0x0000021746101000-memory.dmp
memory/4564-26-0x00007FFDB32A0000-0x00007FFDB3D61000-memory.dmp