Analysis Overview
SHA256
c8e088feb7de05c3852af588c1a440f61d06870a93b07a3c6b7e2c12c9d55b12
Threat Level: Known bad
The file upx.exe was found to be: Known bad.
Malicious Activity Summary
Xworm family
Xworm
Detect Xworm Payload
Drops startup file
Adds Run key to start application
Enumerates physical storage devices
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious behavior: AddClipboardFormatListener
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-21 19:28
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
2024-06-21 19:28
Reported
2024-06-21 19:31
Platform
win10v2004-20240611-en
Max time kernel
140s
Max time network
147s
Command Line
Signatures
Detect Xworm Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Xworm
Drops startup file
| Description | Indicator | Process | Target |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\runtime.lnk | C:\Users\Admin\AppData\Local\Temp\upx.exe | N/A |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\runtime.lnk | C:\Users\Admin\AppData\Local\Temp\upx.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\runtime = "C:\\Users\\Admin\\AppData\\Roaming\\runtime.exe" | C:\Users\Admin\AppData\Local\Temp\upx.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: AddClipboardFormatListener
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\upx.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\upx.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\upx.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\upx.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\upx.exe
"C:\Users\Admin\AppData\Local\Temp\upx.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| DE | 45.83.246.140:30120 | tcp | |
| US | 8.8.8.8:53 | 140.246.83.45.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 45.19.74.20.in-addr.arpa | udp |
Files
memory/2808-0-0x00000000000C0000-0x00000000000D8000-memory.dmp
memory/2808-1-0x00007FFE61783000-0x00007FFE61785000-memory.dmp
memory/2808-6-0x00007FFE61780000-0x00007FFE62241000-memory.dmp
memory/2808-7-0x00007FFE61783000-0x00007FFE61785000-memory.dmp
memory/2808-8-0x00007FFE61780000-0x00007FFE62241000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-21 19:28
Reported
2024-06-21 19:31
Platform
win11-20240611-en
Max time kernel
90s
Max time network
151s
Command Line
Signatures
Detect Xworm Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Xworm
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\runtime.lnk | C:\Users\Admin\AppData\Local\Temp\upx.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\runtime.lnk | C:\Users\Admin\AppData\Local\Temp\upx.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-423582142-4191893794-1888535462-1000\Software\Microsoft\Windows\CurrentVersion\Run\runtime = "C:\\Users\\Admin\\AppData\\Roaming\\runtime.exe" | C:\Users\Admin\AppData\Local\Temp\upx.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: AddClipboardFormatListener
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\upx.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\upx.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\upx.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\upx.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\upx.exe
"C:\Users\Admin\AppData\Local\Temp\upx.exe"
Network
| Country | Destination | Domain | Proto |
| DE | 45.83.246.140:30120 | tcp | |
| US | 8.8.8.8:53 | 140.246.83.45.in-addr.arpa | udp |
Files
memory/2116-0-0x00007FFBAF1F3000-0x00007FFBAF1F5000-memory.dmp
memory/2116-1-0x0000000000020000-0x0000000000038000-memory.dmp
memory/2116-6-0x00007FFBAF1F0000-0x00007FFBAFCB2000-memory.dmp
memory/2116-7-0x00007FFBAF1F0000-0x00007FFBAFCB2000-memory.dmp