Analysis Overview
SHA256
8cdba653a610425107a972ed3fe5af05ab30287a3242ca8eb5351c23cf8265e5
Threat Level: Known bad
The file ca85bb321f5f8ff49660826effc53a02 was found to be: Known bad.
Malicious Activity Summary
Arkei family
Reads user/profile data of web browsers
Program crash
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-12-22 14:46
Signatures
Arkei family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-22 14:46
Reported
2023-12-22 18:41
Platform
win7-20231215-en
Max time kernel
122s
Max time network
126s
Command Line
Signatures
Reads user/profile data of web browsers
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\ca85bb321f5f8ff49660826effc53a02.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2912 wrote to memory of 2524 | N/A | C:\Users\Admin\AppData\Local\Temp\ca85bb321f5f8ff49660826effc53a02.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2912 wrote to memory of 2524 | N/A | C:\Users\Admin\AppData\Local\Temp\ca85bb321f5f8ff49660826effc53a02.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2912 wrote to memory of 2524 | N/A | C:\Users\Admin\AppData\Local\Temp\ca85bb321f5f8ff49660826effc53a02.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2912 wrote to memory of 2524 | N/A | C:\Users\Admin\AppData\Local\Temp\ca85bb321f5f8ff49660826effc53a02.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\ca85bb321f5f8ff49660826effc53a02.exe
"C:\Users\Admin\AppData\Local\Temp\ca85bb321f5f8ff49660826effc53a02.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2912 -s 640
Network
| Country | Destination | Domain | Proto |
| NL | 78.141.212.252:80 | tcp | |
| NL | 78.141.212.252:80 | tcp |
Files
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-22 14:46
Reported
2023-12-22 18:40
Platform
win10v2004-20231215-en
Max time kernel
144s
Max time network
149s
Command Line
Signatures
Reads user/profile data of web browsers
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\ca85bb321f5f8ff49660826effc53a02.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\ca85bb321f5f8ff49660826effc53a02.exe
"C:\Users\Admin\AppData\Local\Temp\ca85bb321f5f8ff49660826effc53a02.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 784 -ip 784
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 784 -s 1352
Network
| Country | Destination | Domain | Proto |
| NL | 52.142.223.178:80 | tcp | |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.181.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| NL | 78.141.212.252:80 | tcp | |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | 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 | 84.65.42.20.in-addr.arpa | udp |