Analysis Overview
SHA256
d54acc32db5c2b13907576ba94065b387ba153cb1c8ba9ac1d7ebc715e5a17cc
Threat Level: Known bad
The file DOTNET.exe was found to be: Known bad.
Malicious Activity Summary
Detect Xworm Payload
Xworm family
Xworm
Drops startup file
Unsigned PE
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-28 22:58
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
2024-03-28 22:58
Reported
2024-03-28 23:01
Platform
win7-20240215-en
Max time kernel
122s
Max time network
122s
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\XClient.lnk | C:\Users\Admin\AppData\Local\Temp\DOTNET.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk | C:\Users\Admin\AppData\Local\Temp\DOTNET.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\DOTNET.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\DOTNET.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\DOTNET.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\DOTNET.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\DOTNET.exe
"C:\Users\Admin\AppData\Local\Temp\DOTNET.exe"
Network
Files
memory/2308-0-0x0000000000FA0000-0x0000000000FB6000-memory.dmp
memory/2308-1-0x000007FEF5280000-0x000007FEF5C6C000-memory.dmp
memory/2308-6-0x0000000000640000-0x00000000006C0000-memory.dmp
memory/2308-7-0x000007FEF5280000-0x000007FEF5C6C000-memory.dmp
memory/2308-8-0x0000000000640000-0x00000000006C0000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-28 22:58
Reported
2024-03-28 23:01
Platform
win10v2004-20240226-en
Max time kernel
120s
Max time network
100s
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\XClient.lnk | C:\Users\Admin\AppData\Local\Temp\DOTNET.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk | C:\Users\Admin\AppData\Local\Temp\DOTNET.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\DOTNET.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\DOTNET.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\DOTNET.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\DOTNET.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\DOTNET.exe
"C:\Users\Admin\AppData\Local\Temp\DOTNET.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 40.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 218.135.221.88.in-addr.arpa | udp |
| US | 52.111.229.43:443 | tcp | |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
Files
memory/3316-0-0x0000000000240000-0x0000000000256000-memory.dmp
memory/3316-1-0x00007FFD24B50000-0x00007FFD25611000-memory.dmp
memory/3316-6-0x0000000000BE0000-0x0000000000BF0000-memory.dmp
memory/3316-7-0x00007FFD24B50000-0x00007FFD25611000-memory.dmp
memory/3316-8-0x0000000000BE0000-0x0000000000BF0000-memory.dmp