Analysis Overview
SHA256
e52445a9c1be8de0ff3a3d06d332f301df3c4eab1e036ae75a85ffc49bd1f2b7
Threat Level: Known bad
The file 1252-63-0x0000000000400000-0x0000000000654000-memory.dmp was found to be: Known bad.
Malicious Activity Summary
BluStealer
Blustealer family
Unsigned PE
Program crash
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2023-04-26 20:14
Signatures
Blustealer family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-04-26 20:14
Reported
2023-04-26 20:17
Platform
win7-20230220-en
Max time kernel
30s
Max time network
34s
Command Line
Signatures
BluStealer
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\1252-63-0x0000000000400000-0x0000000000654000-memory.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1236 wrote to memory of 1144 | N/A | C:\Users\Admin\AppData\Local\Temp\1252-63-0x0000000000400000-0x0000000000654000-memory.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1236 wrote to memory of 1144 | N/A | C:\Users\Admin\AppData\Local\Temp\1252-63-0x0000000000400000-0x0000000000654000-memory.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1236 wrote to memory of 1144 | N/A | C:\Users\Admin\AppData\Local\Temp\1252-63-0x0000000000400000-0x0000000000654000-memory.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1236 wrote to memory of 1144 | N/A | C:\Users\Admin\AppData\Local\Temp\1252-63-0x0000000000400000-0x0000000000654000-memory.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\1252-63-0x0000000000400000-0x0000000000654000-memory.exe
"C:\Users\Admin\AppData\Local\Temp\1252-63-0x0000000000400000-0x0000000000654000-memory.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1236 -s 144
Network
Files
memory/1236-54-0x0000000000400000-0x0000000000654000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-04-26 20:14
Reported
2023-04-26 20:17
Platform
win10v2004-20230220-en
Max time kernel
135s
Max time network
144s
Command Line
Signatures
BluStealer
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\1252-63-0x0000000000400000-0x0000000000654000-memory.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\1252-63-0x0000000000400000-0x0000000000654000-memory.exe
"C:\Users\Admin\AppData\Local\Temp\1252-63-0x0000000000400000-0x0000000000654000-memory.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4176 -ip 4176
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4176 -s 412
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 42.220.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 52.152.110.14:443 | tcp | |
| IE | 13.69.239.72:443 | tcp | |
| US | 52.152.110.14:443 | tcp | |
| US | 8.8.8.8:53 | 63.13.109.52.in-addr.arpa | udp |
| US | 93.184.221.240:80 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| NL | 173.223.113.164:443 | tcp | |
| US | 52.152.110.14:443 | tcp | |
| US | 52.152.110.14:443 | tcp | |
| US | 52.152.110.14:443 | tcp | |
| US | 52.152.110.14:443 | tcp |
Files
memory/4176-133-0x0000000000400000-0x0000000000654000-memory.dmp