Analysis Overview
SHA256
93986eac8652157b41ac4464bed7584c6b0c04a3fcdd8bcda47592df69fee3ba
Threat Level: Known bad
The file 121a6914b86cfc9ca8d12864cba4da75 was found to be: Known bad.
Malicious Activity Summary
Xloader
CustAttr .NET packer
Xloader payload
Suspicious use of SetThreadContext
Unsigned PE
Program crash
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2023-12-30 07:26
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-30 07:26
Reported
2023-12-31 05:44
Platform
win7-20231215-en
Max time kernel
117s
Max time network
118s
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 1876 set thread context of 3016 | N/A | C:\Users\Admin\AppData\Local\Temp\121a6914b86cfc9ca8d12864cba4da75.exe | C:\Users\Admin\AppData\Local\Temp\121a6914b86cfc9ca8d12864cba4da75.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\121a6914b86cfc9ca8d12864cba4da75.exe
"C:\Users\Admin\AppData\Local\Temp\121a6914b86cfc9ca8d12864cba4da75.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3016 -s 36
C:\Users\Admin\AppData\Local\Temp\121a6914b86cfc9ca8d12864cba4da75.exe
"C:\Users\Admin\AppData\Local\Temp\121a6914b86cfc9ca8d12864cba4da75.exe"
Network
Files
memory/1876-1-0x0000000074420000-0x0000000074B0E000-memory.dmp
memory/1876-0-0x0000000001070000-0x00000000011B4000-memory.dmp
memory/1876-2-0x0000000000BE0000-0x0000000000C20000-memory.dmp
memory/1876-3-0x0000000000660000-0x0000000000672000-memory.dmp
memory/1876-4-0x0000000074420000-0x0000000074B0E000-memory.dmp
memory/1876-5-0x0000000000BE0000-0x0000000000C20000-memory.dmp
memory/1876-6-0x0000000005660000-0x00000000056FE000-memory.dmp
memory/1876-7-0x0000000000B10000-0x0000000000B3E000-memory.dmp
memory/1876-14-0x0000000074420000-0x0000000074B0E000-memory.dmp
memory/3016-13-0x0000000000400000-0x0000000000428000-memory.dmp
memory/3016-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/3016-10-0x0000000000400000-0x0000000000428000-memory.dmp
memory/3016-8-0x0000000000400000-0x0000000000428000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-30 07:26
Reported
2023-12-31 05:43
Platform
win10v2004-20231215-en
Max time kernel
132s
Max time network
124s
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 3672 set thread context of 4472 | N/A | C:\Users\Admin\AppData\Local\Temp\121a6914b86cfc9ca8d12864cba4da75.exe | C:\Users\Admin\AppData\Local\Temp\121a6914b86cfc9ca8d12864cba4da75.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\121a6914b86cfc9ca8d12864cba4da75.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\121a6914b86cfc9ca8d12864cba4da75.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\121a6914b86cfc9ca8d12864cba4da75.exe
"C:\Users\Admin\AppData\Local\Temp\121a6914b86cfc9ca8d12864cba4da75.exe"
C:\Users\Admin\AppData\Local\Temp\121a6914b86cfc9ca8d12864cba4da75.exe
"C:\Users\Admin\AppData\Local\Temp\121a6914b86cfc9ca8d12864cba4da75.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.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 | 200.197.79.204.in-addr.arpa | udp |
Files
memory/3672-1-0x00000000749E0000-0x0000000075190000-memory.dmp
memory/3672-0-0x0000000000B50000-0x0000000000C94000-memory.dmp
memory/3672-2-0x0000000005C90000-0x0000000006234000-memory.dmp
memory/3672-3-0x00000000056E0000-0x0000000005772000-memory.dmp
memory/3672-6-0x0000000005950000-0x00000000059EC000-memory.dmp
memory/3672-5-0x00000000056A0000-0x00000000056AA000-memory.dmp
memory/3672-4-0x0000000005850000-0x0000000005860000-memory.dmp
memory/3672-7-0x00000000056C0000-0x00000000056D2000-memory.dmp
memory/3672-8-0x00000000749E0000-0x0000000075190000-memory.dmp
memory/3672-9-0x0000000005850000-0x0000000005860000-memory.dmp
memory/3672-10-0x00000000066A0000-0x000000000673E000-memory.dmp
memory/3672-11-0x0000000008B00000-0x0000000008B2E000-memory.dmp
memory/4472-12-0x0000000000400000-0x0000000000428000-memory.dmp
memory/3672-14-0x00000000749E0000-0x0000000075190000-memory.dmp
memory/4472-15-0x00000000015E0000-0x000000000192A000-memory.dmp
memory/4472-16-0x00000000015E0000-0x000000000192A000-memory.dmp