Analysis Overview
SHA256
f988c17ff348d65c83b031d164e3a3850b38f4e6b2c43cd426dfafd68474301a
Threat Level: Known bad
The file 3a2b189ba8182eb62ea6bfc27e8ca898 was found to be: Known bad.
Malicious Activity Summary
Xloader
CustAttr .NET packer
Xloader payload
Suspicious use of SetThreadContext
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2023-12-25 20:06
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-25 20:06
Reported
2023-12-29 10:40
Platform
win7-20231215-en
Max time kernel
118s
Max time network
123s
Command Line
Signatures
Xloader
CustAttr .NET packer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Xloader payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1732 set thread context of 2724 | N/A | C:\Users\Admin\AppData\Local\Temp\3a2b189ba8182eb62ea6bfc27e8ca898.exe | C:\Users\Admin\AppData\Local\Temp\3a2b189ba8182eb62ea6bfc27e8ca898.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3a2b189ba8182eb62ea6bfc27e8ca898.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\3a2b189ba8182eb62ea6bfc27e8ca898.exe
"C:\Users\Admin\AppData\Local\Temp\3a2b189ba8182eb62ea6bfc27e8ca898.exe"
C:\Users\Admin\AppData\Local\Temp\3a2b189ba8182eb62ea6bfc27e8ca898.exe
"C:\Users\Admin\AppData\Local\Temp\3a2b189ba8182eb62ea6bfc27e8ca898.exe"
Network
Files
memory/1732-0-0x0000000000D30000-0x0000000000E84000-memory.dmp
memory/1732-1-0x00000000747F0000-0x0000000074EDE000-memory.dmp
memory/1732-2-0x0000000005020000-0x0000000005060000-memory.dmp
memory/1732-3-0x0000000000480000-0x0000000000492000-memory.dmp
memory/1732-4-0x00000000747F0000-0x0000000074EDE000-memory.dmp
memory/1732-5-0x0000000005020000-0x0000000005060000-memory.dmp
memory/1732-6-0x00000000058B0000-0x000000000594E000-memory.dmp
memory/1732-7-0x0000000000530000-0x000000000055E000-memory.dmp
memory/2724-8-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2724-10-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2724-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2724-14-0x0000000000400000-0x0000000000428000-memory.dmp
memory/1732-15-0x00000000747F0000-0x0000000074EDE000-memory.dmp
memory/2724-16-0x0000000000820000-0x0000000000B23000-memory.dmp
memory/2724-17-0x0000000000820000-0x0000000000B23000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-25 20:06
Reported
2023-12-29 10:40
Platform
win10v2004-20231215-en
Max time kernel
139s
Max time network
163s
Command Line
Signatures
Xloader
CustAttr .NET packer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Xloader payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2336 set thread context of 2376 | N/A | C:\Users\Admin\AppData\Local\Temp\3a2b189ba8182eb62ea6bfc27e8ca898.exe | C:\Users\Admin\AppData\Local\Temp\3a2b189ba8182eb62ea6bfc27e8ca898.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3a2b189ba8182eb62ea6bfc27e8ca898.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3a2b189ba8182eb62ea6bfc27e8ca898.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\3a2b189ba8182eb62ea6bfc27e8ca898.exe
"C:\Users\Admin\AppData\Local\Temp\3a2b189ba8182eb62ea6bfc27e8ca898.exe"
C:\Users\Admin\AppData\Local\Temp\3a2b189ba8182eb62ea6bfc27e8ca898.exe
"C:\Users\Admin\AppData\Local\Temp\3a2b189ba8182eb62ea6bfc27e8ca898.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 146.78.124.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 178.223.142.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.microsoft.com | udp |
| US | 92.123.241.137:80 | www.microsoft.com | tcp |
| US | 8.8.8.8:53 | 208.194.73.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 137.241.123.92.in-addr.arpa | udp |
| US | 92.123.241.137:80 | www.microsoft.com | tcp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 173.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.173.189.20.in-addr.arpa | udp |
Files
memory/2336-0-0x0000000000E40000-0x0000000000F94000-memory.dmp
memory/2336-1-0x0000000074960000-0x0000000075110000-memory.dmp
memory/2336-2-0x0000000005A10000-0x0000000005AAC000-memory.dmp
memory/2336-3-0x0000000006060000-0x0000000006604000-memory.dmp
memory/2336-4-0x0000000005AB0000-0x0000000005B42000-memory.dmp
memory/2336-5-0x0000000005A00000-0x0000000005A10000-memory.dmp
memory/2336-7-0x0000000005C40000-0x0000000005C96000-memory.dmp
memory/2336-6-0x0000000005990000-0x000000000599A000-memory.dmp
memory/2336-8-0x0000000005E60000-0x0000000005E72000-memory.dmp
memory/2336-9-0x0000000074960000-0x0000000075110000-memory.dmp
memory/2336-10-0x0000000005A00000-0x0000000005A10000-memory.dmp
memory/2336-11-0x0000000001940000-0x00000000019DE000-memory.dmp
memory/2336-12-0x00000000015E0000-0x000000000160E000-memory.dmp
memory/2376-13-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2336-15-0x0000000074960000-0x0000000075110000-memory.dmp
memory/2376-16-0x00000000016C0000-0x0000000001A0A000-memory.dmp