Analysis Overview
SHA256
4e99c801ebdfabb3ba18980976569be6b659b03cc687a75b774fe373cb0c64e9
Threat Level: Known bad
The file 584-63-0x0000000000400000-0x0000000000654000-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
2023-04-26 10:05
Signatures
Blustealer family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2023-04-26 10:05
Reported
2023-04-26 10:08
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\584-63-0x0000000000400000-0x0000000000654000-memory.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\584-63-0x0000000000400000-0x0000000000654000-memory.exe
"C:\Users\Admin\AppData\Local\Temp\584-63-0x0000000000400000-0x0000000000654000-memory.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3772 -ip 3772
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3772 -s 408
Network
| Country | Destination | Domain | Proto |
| US | 209.197.3.8:80 | tcp | |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 209.197.3.8:80 | tcp | |
| US | 104.208.16.89:443 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 8.8.8.8:53 | 203.151.224.20.in-addr.arpa | udp |
| NL | 173.223.113.164:443 | tcp | |
| US | 209.197.3.8:80 | tcp |
Files
memory/3772-133-0x0000000000400000-0x0000000000654000-memory.dmp
memory/3772-134-0x0000000000400000-0x0000000000654000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2023-04-26 10:05
Reported
2023-04-26 10:08
Platform
win7-20230220-en
Max time kernel
31s
Max time network
33s
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\584-63-0x0000000000400000-0x0000000000654000-memory.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2036 wrote to memory of 1180 | N/A | C:\Users\Admin\AppData\Local\Temp\584-63-0x0000000000400000-0x0000000000654000-memory.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2036 wrote to memory of 1180 | N/A | C:\Users\Admin\AppData\Local\Temp\584-63-0x0000000000400000-0x0000000000654000-memory.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2036 wrote to memory of 1180 | N/A | C:\Users\Admin\AppData\Local\Temp\584-63-0x0000000000400000-0x0000000000654000-memory.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2036 wrote to memory of 1180 | N/A | C:\Users\Admin\AppData\Local\Temp\584-63-0x0000000000400000-0x0000000000654000-memory.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\584-63-0x0000000000400000-0x0000000000654000-memory.exe
"C:\Users\Admin\AppData\Local\Temp\584-63-0x0000000000400000-0x0000000000654000-memory.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2036 -s 144
Network
Files
memory/2036-54-0x0000000000400000-0x0000000000654000-memory.dmp