Analysis Overview
SHA256
b8f7edf7cd45b23dd4b32afdcc0baee277e57f8284dc533ebc1a68d12a6839b7
Threat Level: Known bad
The file b8f7edf7cd45b23dd4b32afdcc0baee277e57f8284dc533ebc1a68d12a6839b7 was found to be: Known bad.
Malicious Activity Summary
Async RAT payload
Asyncrat family
Checks computer location settings
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-11-23 02:07
Signatures
Async RAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Asyncrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-11-23 01:59
Reported
2023-11-23 02:10
Platform
win7-20231025-en
Max time kernel
121s
Max time network
138s
Command Line
Signatures
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1676 wrote to memory of 2092 | N/A | C:\Users\Admin\AppData\Local\Temp\b8f7edf7cd45b23dd4b32afdcc0baee277e57f8284dc533ebc1a68d12a6839b7.exe | C:\Windows\system32\WerFault.exe |
| PID 1676 wrote to memory of 2092 | N/A | C:\Users\Admin\AppData\Local\Temp\b8f7edf7cd45b23dd4b32afdcc0baee277e57f8284dc533ebc1a68d12a6839b7.exe | C:\Windows\system32\WerFault.exe |
| PID 1676 wrote to memory of 2092 | N/A | C:\Users\Admin\AppData\Local\Temp\b8f7edf7cd45b23dd4b32afdcc0baee277e57f8284dc533ebc1a68d12a6839b7.exe | C:\Windows\system32\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\b8f7edf7cd45b23dd4b32afdcc0baee277e57f8284dc533ebc1a68d12a6839b7.exe
"C:\Users\Admin\AppData\Local\Temp\b8f7edf7cd45b23dd4b32afdcc0baee277e57f8284dc533ebc1a68d12a6839b7.exe"
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 1676 -s 876
Network
Files
memory/1676-0-0x0000000002BC0000-0x0000000002FE0000-memory.dmp
memory/1676-4-0x00000000123E0000-0x00000000133E0000-memory.dmp
memory/1676-9-0x0000000001C10000-0x0000000001C30000-memory.dmp
memory/1676-12-0x000000013FDC0000-0x00000001406EB000-memory.dmp
memory/1676-14-0x0000000000570000-0x0000000000580000-memory.dmp
memory/1676-18-0x0000000001D60000-0x0000000001DE0000-memory.dmp
memory/1676-22-0x0000000001F80000-0x0000000001F90000-memory.dmp
memory/1676-26-0x0000000001FE0000-0x0000000002030000-memory.dmp
memory/1676-30-0x00000000020C0000-0x00000000020D0000-memory.dmp
memory/1676-34-0x0000000002100000-0x0000000002130000-memory.dmp
memory/1676-38-0x0000000002FE0000-0x00000000030A0000-memory.dmp
memory/1676-42-0x0000000002160000-0x0000000002190000-memory.dmp
memory/1676-46-0x0000000003480000-0x00000000035E0000-memory.dmp
memory/1676-50-0x00000000030F0000-0x0000000003130000-memory.dmp
memory/1676-54-0x0000000002600000-0x0000000002610000-memory.dmp
memory/1676-58-0x0000000002610000-0x0000000002620000-memory.dmp
memory/1676-62-0x0000000003170000-0x0000000003180000-memory.dmp
memory/1676-186-0x000000013FDC0000-0x00000001406EB000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-11-23 01:59
Reported
2023-11-23 02:11
Platform
win10v2004-20231023-en
Max time kernel
126s
Max time network
167s
Command Line
Signatures
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\b8f7edf7cd45b23dd4b32afdcc0baee277e57f8284dc533ebc1a68d12a6839b7.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b8f7edf7cd45b23dd4b32afdcc0baee277e57f8284dc533ebc1a68d12a6839b7.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\b8f7edf7cd45b23dd4b32afdcc0baee277e57f8284dc533ebc1a68d12a6839b7.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\b8f7edf7cd45b23dd4b32afdcc0baee277e57f8284dc533ebc1a68d12a6839b7.exe
"C:\Users\Admin\AppData\Local\Temp\b8f7edf7cd45b23dd4b32afdcc0baee277e57f8284dc533ebc1a68d12a6839b7.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 | 126.177.238.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 138.175.53.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 233.17.178.52.in-addr.arpa | udp |