Analysis Overview
SHA256
636593bf497bb7b2c4d58b2b82701b49ce14cedb4661cb997e900982c5293de1
Threat Level: Known bad
The file 1211e783a4c4d74c0705808877da506e 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
2023-12-24 20:52
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-24 20:52
Reported
2023-12-25 02:12
Platform
win7-20231215-en
Max time kernel
122s
Max time network
127s
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 2408 set thread context of 2560 | N/A | C:\Users\Admin\AppData\Local\Temp\1211e783a4c4d74c0705808877da506e.exe | C:\Users\Admin\AppData\Local\Temp\1211e783a4c4d74c0705808877da506e.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1211e783a4c4d74c0705808877da506e.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\1211e783a4c4d74c0705808877da506e.exe
"C:\Users\Admin\AppData\Local\Temp\1211e783a4c4d74c0705808877da506e.exe"
C:\Users\Admin\AppData\Local\Temp\1211e783a4c4d74c0705808877da506e.exe
"C:\Users\Admin\AppData\Local\Temp\1211e783a4c4d74c0705808877da506e.exe"
Network
Files
memory/2408-2-0x0000000004D40000-0x0000000004D80000-memory.dmp
memory/2408-1-0x0000000074D40000-0x000000007542E000-memory.dmp
memory/2408-0-0x0000000001130000-0x00000000011E2000-memory.dmp
memory/2408-3-0x0000000000370000-0x0000000000382000-memory.dmp
memory/2408-4-0x0000000074D40000-0x000000007542E000-memory.dmp
memory/2408-5-0x0000000004D40000-0x0000000004D80000-memory.dmp
memory/2408-6-0x0000000007D20000-0x0000000007D9A000-memory.dmp
memory/2408-7-0x00000000006A0000-0x00000000006D2000-memory.dmp
memory/2560-12-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2408-13-0x0000000074D40000-0x000000007542E000-memory.dmp
memory/2560-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2560-9-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2560-8-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2560-14-0x0000000000990000-0x0000000000C93000-memory.dmp
memory/2560-15-0x0000000000990000-0x0000000000C93000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-24 20:52
Reported
2023-12-25 02:12
Platform
win10v2004-20231215-en
Max time kernel
143s
Max time network
132s
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 1508 set thread context of 1608 | N/A | C:\Users\Admin\AppData\Local\Temp\1211e783a4c4d74c0705808877da506e.exe | C:\Users\Admin\AppData\Local\Temp\1211e783a4c4d74c0705808877da506e.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1211e783a4c4d74c0705808877da506e.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1211e783a4c4d74c0705808877da506e.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1211e783a4c4d74c0705808877da506e.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\1211e783a4c4d74c0705808877da506e.exe
"C:\Users\Admin\AppData\Local\Temp\1211e783a4c4d74c0705808877da506e.exe"
C:\Users\Admin\AppData\Local\Temp\1211e783a4c4d74c0705808877da506e.exe
"C:\Users\Admin\AppData\Local\Temp\1211e783a4c4d74c0705808877da506e.exe"
Network
| Country | Destination | Domain | Proto |
| US | 20.231.121.79:80 | tcp | |
| US | 8.8.8.8:53 | 59.128.231.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1.181.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.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 | 174.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 211.135.221.88.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 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| GB | 87.248.205.0:80 | tcp | |
| GB | 88.221.135.211:80 | tcp | |
| US | 8.8.8.8:53 | udp | |
| US | 93.184.221.240:80 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| GB | 88.221.135.211:80 | tcp | |
| GB | 88.221.135.211:80 | tcp | |
| GB | 88.221.135.211:80 | tcp | |
| GB | 88.221.135.211:80 | tcp | |
| US | 8.8.8.8:53 | udp | |
| GB | 88.221.135.217:80 | tcp | |
| GB | 88.221.135.217:80 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| US | 8.8.8.8:53 | udp | |
| N/A | 52.111.236.22:443 | tcp | |
| US | 8.8.8.8:53 | 22.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | udp | |
| N/A | 20.189.173.12:443 | tcp | |
| US | 192.229.221.95:80 | tcp | |
| US | 8.8.8.8:53 | udp |
Files
memory/1508-1-0x0000000000A70000-0x0000000000B22000-memory.dmp
memory/1508-0-0x0000000075000000-0x00000000757B0000-memory.dmp
memory/1508-2-0x0000000005BC0000-0x0000000006164000-memory.dmp
memory/1508-3-0x0000000005500000-0x0000000005592000-memory.dmp
memory/1508-4-0x00000000056B0000-0x000000000574C000-memory.dmp
memory/1508-5-0x0000000005830000-0x0000000005840000-memory.dmp
memory/1508-6-0x00000000055C0000-0x00000000055CA000-memory.dmp
memory/1508-7-0x0000000002E10000-0x0000000002E22000-memory.dmp
memory/1508-8-0x0000000075000000-0x00000000757B0000-memory.dmp
memory/1508-9-0x0000000005830000-0x0000000005840000-memory.dmp
memory/1508-10-0x0000000006E60000-0x0000000006EDA000-memory.dmp
memory/1508-11-0x00000000086A0000-0x00000000086D2000-memory.dmp
memory/1608-12-0x0000000000400000-0x0000000000428000-memory.dmp
memory/1508-14-0x0000000075000000-0x00000000757B0000-memory.dmp
memory/1608-15-0x0000000001640000-0x000000000198A000-memory.dmp