Analysis Overview
SHA256
2f5ba8b6995de426b1c505fe2a5fc3c9a35f24c53185536c83408ab78f56ebe6
Threat Level: Known bad
The file 2024-10-07_5c54c35ae3beb63c2dd49e14f1b02343_blackmatter_darkside was found to be: Known bad.
Malicious Activity Summary
Blackmatter family
Unsigned PE
Program crash
System Location Discovery: System Language Discovery
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-07 11:03
Signatures
Blackmatter family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-10-07 11:03
Reported
2024-10-07 11:05
Platform
win7-20240903-en
Max time kernel
117s
Max time network
121s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\2024-10-07_5c54c35ae3beb63c2dd49e14f1b02343_blackmatter_darkside.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\2024-10-07_5c54c35ae3beb63c2dd49e14f1b02343_blackmatter_darkside.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2204 wrote to memory of 2400 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-10-07_5c54c35ae3beb63c2dd49e14f1b02343_blackmatter_darkside.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2204 wrote to memory of 2400 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-10-07_5c54c35ae3beb63c2dd49e14f1b02343_blackmatter_darkside.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2204 wrote to memory of 2400 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-10-07_5c54c35ae3beb63c2dd49e14f1b02343_blackmatter_darkside.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2204 wrote to memory of 2400 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-10-07_5c54c35ae3beb63c2dd49e14f1b02343_blackmatter_darkside.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-10-07_5c54c35ae3beb63c2dd49e14f1b02343_blackmatter_darkside.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-07_5c54c35ae3beb63c2dd49e14f1b02343_blackmatter_darkside.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2204 -s 36
Network
Files
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-07 11:03
Reported
2024-10-07 11:05
Platform
win10v2004-20241007-en
Max time kernel
148s
Max time network
154s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\2024-10-07_5c54c35ae3beb63c2dd49e14f1b02343_blackmatter_darkside.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\2024-10-07_5c54c35ae3beb63c2dd49e14f1b02343_blackmatter_darkside.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-10-07_5c54c35ae3beb63c2dd49e14f1b02343_blackmatter_darkside.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-07_5c54c35ae3beb63c2dd49e14f1b02343_blackmatter_darkside.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3436 -ip 3436
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3436 -s 228
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 20.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |