Analysis Overview
SHA256
b5918ac7fd3c3323260a3158fe0230b58cdb7098bb659285374e5e2dc1c75f7d
Threat Level: Known bad
The file 3a0f86482d12e9d3a275763997708d9b 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 WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2023-12-25 20:04
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-25 20:04
Reported
2023-12-29 10:34
Platform
win7-20231215-en
Max time kernel
118s
Max time network
119s
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 2252 set thread context of 1328 | N/A | C:\Users\Admin\AppData\Local\Temp\3a0f86482d12e9d3a275763997708d9b.exe | C:\Users\Admin\AppData\Local\Temp\3a0f86482d12e9d3a275763997708d9b.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3a0f86482d12e9d3a275763997708d9b.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\3a0f86482d12e9d3a275763997708d9b.exe
"C:\Users\Admin\AppData\Local\Temp\3a0f86482d12e9d3a275763997708d9b.exe"
C:\Users\Admin\AppData\Local\Temp\3a0f86482d12e9d3a275763997708d9b.exe
"C:\Users\Admin\AppData\Local\Temp\3a0f86482d12e9d3a275763997708d9b.exe"
Network
Files
memory/2252-0-0x0000000000860000-0x00000000009A0000-memory.dmp
memory/2252-1-0x0000000074420000-0x0000000074B0E000-memory.dmp
memory/2252-2-0x0000000004910000-0x0000000004950000-memory.dmp
memory/2252-3-0x0000000000360000-0x0000000000372000-memory.dmp
memory/2252-4-0x0000000074420000-0x0000000074B0E000-memory.dmp
memory/2252-5-0x0000000004910000-0x0000000004950000-memory.dmp
memory/2252-6-0x00000000048A0000-0x0000000004918000-memory.dmp
memory/2252-7-0x0000000000580000-0x00000000005B0000-memory.dmp
memory/1328-16-0x0000000000C10000-0x0000000000F13000-memory.dmp
memory/2252-15-0x0000000074420000-0x0000000074B0E000-memory.dmp
memory/1328-14-0x0000000000400000-0x0000000000429000-memory.dmp
memory/1328-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/1328-10-0x0000000000400000-0x0000000000429000-memory.dmp
memory/1328-8-0x0000000000400000-0x0000000000429000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-25 20:04
Reported
2023-12-29 10:35
Platform
win10v2004-20231215-en
Max time kernel
149s
Max time network
153s
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 4876 set thread context of 4888 | N/A | C:\Users\Admin\AppData\Local\Temp\3a0f86482d12e9d3a275763997708d9b.exe | C:\Users\Admin\AppData\Local\Temp\3a0f86482d12e9d3a275763997708d9b.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3a0f86482d12e9d3a275763997708d9b.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3a0f86482d12e9d3a275763997708d9b.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3a0f86482d12e9d3a275763997708d9b.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\3a0f86482d12e9d3a275763997708d9b.exe
"C:\Users\Admin\AppData\Local\Temp\3a0f86482d12e9d3a275763997708d9b.exe"
C:\Users\Admin\AppData\Local\Temp\3a0f86482d12e9d3a275763997708d9b.exe
"C:\Users\Admin\AppData\Local\Temp\3a0f86482d12e9d3a275763997708d9b.exe"
Network
| Country | Destination | Domain | Proto |
| GB | 23.44.234.16:80 | tcp | |
| US | 138.91.171.81:80 | tcp | |
| 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 | 20.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 158.240.127.40.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 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.241.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 176.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 211.135.221.88.in-addr.arpa | udp |
| GB | 96.17.178.176:80 | tcp | |
| GB | 88.221.135.211:80 | tcp | |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.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 | 13.107.21.200:443 | tse1.mm.bing.net | tcp |
| US | 13.107.21.200:443 | tse1.mm.bing.net | tcp |
| US | 13.107.21.200:443 | tse1.mm.bing.net | tcp |
| US | 13.107.21.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 200.21.107.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 32.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.171.91.138.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 174.178.17.96.in-addr.arpa | udp |
Files
memory/4876-1-0x0000000074A30000-0x00000000751E0000-memory.dmp
memory/4876-0-0x0000000000430000-0x0000000000570000-memory.dmp
memory/4876-2-0x0000000004F00000-0x0000000004F9C000-memory.dmp
memory/4876-3-0x0000000005550000-0x0000000005AF4000-memory.dmp
memory/4876-4-0x0000000005040000-0x00000000050D2000-memory.dmp
memory/4876-5-0x0000000005010000-0x0000000005020000-memory.dmp
memory/4876-7-0x0000000005230000-0x0000000005286000-memory.dmp
memory/4876-6-0x0000000005000000-0x000000000500A000-memory.dmp
memory/4876-8-0x0000000004900000-0x0000000004912000-memory.dmp
memory/4876-9-0x0000000074A30000-0x00000000751E0000-memory.dmp
memory/4876-10-0x0000000005010000-0x0000000005020000-memory.dmp
memory/4876-11-0x0000000006900000-0x0000000006978000-memory.dmp
memory/4876-15-0x0000000074A30000-0x00000000751E0000-memory.dmp
memory/4888-13-0x0000000000400000-0x0000000000429000-memory.dmp
memory/4876-12-0x0000000006AB0000-0x0000000006AE0000-memory.dmp
memory/4888-16-0x0000000000F40000-0x000000000128A000-memory.dmp
memory/4888-17-0x0000000000F40000-0x000000000128A000-memory.dmp