Analysis Overview
SHA256
1a8be8bc190cc9a7cae29c0964376b4c0bcd61a1f9adbd06c7d1ff91f9e0395d
Threat Level: Known bad
The file 464-63-0x0000000000400000-0x0000000000654000-memory.dmp was found to be: Known bad.
Malicious Activity Summary
BluStealer
Blustealer family
Program crash
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2023-04-28 23:45
Signatures
Blustealer family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-04-28 23:45
Reported
2023-04-28 23:47
Platform
win7-20230220-en
Max time kernel
28s
Max time network
31s
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\464-63-0x0000000000400000-0x0000000000654000-memory.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1340 wrote to memory of 1772 | N/A | C:\Users\Admin\AppData\Local\Temp\464-63-0x0000000000400000-0x0000000000654000-memory.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1340 wrote to memory of 1772 | N/A | C:\Users\Admin\AppData\Local\Temp\464-63-0x0000000000400000-0x0000000000654000-memory.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1340 wrote to memory of 1772 | N/A | C:\Users\Admin\AppData\Local\Temp\464-63-0x0000000000400000-0x0000000000654000-memory.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1340 wrote to memory of 1772 | N/A | C:\Users\Admin\AppData\Local\Temp\464-63-0x0000000000400000-0x0000000000654000-memory.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\464-63-0x0000000000400000-0x0000000000654000-memory.exe
"C:\Users\Admin\AppData\Local\Temp\464-63-0x0000000000400000-0x0000000000654000-memory.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1340 -s 144
Network
Files
memory/1340-54-0x0000000000400000-0x0000000000654000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-04-28 23:45
Reported
2023-04-28 23:47
Platform
win10v2004-20230221-en
Max time kernel
110s
Max time network
127s
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\464-63-0x0000000000400000-0x0000000000654000-memory.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\464-63-0x0000000000400000-0x0000000000654000-memory.exe
"C:\Users\Admin\AppData\Local\Temp\464-63-0x0000000000400000-0x0000000000654000-memory.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 176 -p 4656 -ip 4656
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4656 -s 408
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| IE | 20.54.89.15:443 | tcp | |
| US | 52.182.143.210:443 | tcp | |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.36.159.162.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 233.141.123.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 209.197.3.8:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| NL | 173.223.113.164:443 | tcp | |
| NL | 173.223.113.131:80 | tcp | |
| US | 204.79.197.203:80 | tcp |
Files
memory/4656-133-0x0000000000400000-0x0000000000654000-memory.dmp