Analysis Overview
SHA256
27572043b01a99f3901af4bd40faf03cd04e722e3fb7ba866ccdb3b2d3fabb11
Threat Level: Known bad
The file 3be1fa609b4f6efa9d30b5c75810f863 was found to be: Known bad.
Malicious Activity Summary
Xloader
CustAttr .NET packer
Xloader payload
Suspicious use of SetThreadContext
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2023-12-25 20:38
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-25 20:38
Reported
2023-12-29 12:22
Platform
win7-20231129-en
Max time kernel
119s
Max time network
120s
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 888 set thread context of 2644 | N/A | C:\Users\Admin\AppData\Local\Temp\3be1fa609b4f6efa9d30b5c75810f863.exe | C:\Users\Admin\AppData\Local\Temp\3be1fa609b4f6efa9d30b5c75810f863.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3be1fa609b4f6efa9d30b5c75810f863.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3be1fa609b4f6efa9d30b5c75810f863.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\3be1fa609b4f6efa9d30b5c75810f863.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\3be1fa609b4f6efa9d30b5c75810f863.exe
"C:\Users\Admin\AppData\Local\Temp\3be1fa609b4f6efa9d30b5c75810f863.exe"
C:\Users\Admin\AppData\Local\Temp\3be1fa609b4f6efa9d30b5c75810f863.exe
"C:\Users\Admin\AppData\Local\Temp\3be1fa609b4f6efa9d30b5c75810f863.exe"
C:\Users\Admin\AppData\Local\Temp\3be1fa609b4f6efa9d30b5c75810f863.exe
"C:\Users\Admin\AppData\Local\Temp\3be1fa609b4f6efa9d30b5c75810f863.exe"
Network
Files
memory/888-0-0x0000000000FE0000-0x00000000010B2000-memory.dmp
memory/888-1-0x0000000074E50000-0x000000007553E000-memory.dmp
memory/888-2-0x0000000000F40000-0x0000000000F80000-memory.dmp
memory/888-3-0x00000000004B0000-0x00000000004C2000-memory.dmp
memory/888-4-0x0000000074E50000-0x000000007553E000-memory.dmp
memory/888-5-0x0000000000F40000-0x0000000000F80000-memory.dmp
memory/888-6-0x0000000006010000-0x000000000608C000-memory.dmp
memory/2644-16-0x00000000008F0000-0x0000000000BF3000-memory.dmp
memory/888-15-0x0000000074E50000-0x000000007553E000-memory.dmp
memory/2644-14-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2644-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2644-10-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2644-8-0x0000000000400000-0x0000000000428000-memory.dmp
memory/888-7-0x00000000006A0000-0x00000000006D4000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-25 20:38
Reported
2023-12-29 12:22
Platform
win10v2004-20231215-en
Max time kernel
148s
Max time network
155s
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 4516 set thread context of 3940 | N/A | C:\Users\Admin\AppData\Local\Temp\3be1fa609b4f6efa9d30b5c75810f863.exe | C:\Users\Admin\AppData\Local\Temp\3be1fa609b4f6efa9d30b5c75810f863.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3be1fa609b4f6efa9d30b5c75810f863.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3be1fa609b4f6efa9d30b5c75810f863.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\3be1fa609b4f6efa9d30b5c75810f863.exe
"C:\Users\Admin\AppData\Local\Temp\3be1fa609b4f6efa9d30b5c75810f863.exe"
C:\Users\Admin\AppData\Local\Temp\3be1fa609b4f6efa9d30b5c75810f863.exe
"C:\Users\Admin\AppData\Local\Temp\3be1fa609b4f6efa9d30b5c75810f863.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 210.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 20.231.121.79:80 | tcp | |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| 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 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 179.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 84.65.42.20.in-addr.arpa | udp |
Files
memory/4516-1-0x0000000000FD0000-0x00000000010A2000-memory.dmp
memory/4516-2-0x0000000005A80000-0x0000000005B1C000-memory.dmp
memory/4516-0-0x0000000075010000-0x00000000757C0000-memory.dmp
memory/4516-3-0x00000000060D0000-0x0000000006674000-memory.dmp
memory/4516-4-0x0000000005BC0000-0x0000000005C52000-memory.dmp
memory/4516-5-0x0000000005D90000-0x0000000005DA0000-memory.dmp
memory/4516-6-0x0000000005B40000-0x0000000005B4A000-memory.dmp
memory/4516-7-0x0000000005E00000-0x0000000005E56000-memory.dmp
memory/4516-8-0x0000000005490000-0x00000000054A2000-memory.dmp
memory/4516-9-0x0000000075010000-0x00000000757C0000-memory.dmp
memory/4516-10-0x0000000005D90000-0x0000000005DA0000-memory.dmp
memory/4516-11-0x00000000085F0000-0x000000000866C000-memory.dmp
memory/4516-12-0x00000000071D0000-0x0000000007204000-memory.dmp
memory/3940-13-0x0000000000400000-0x0000000000428000-memory.dmp
memory/3940-14-0x0000000001840000-0x0000000001B8A000-memory.dmp
memory/4516-16-0x0000000075010000-0x00000000757C0000-memory.dmp