Analysis Overview
SHA256
6c7571c64b57f407536511f99c0632bbd2f692ca53f16eeab0f15238597a4fb4
Threat Level: Known bad
The file 6c7571c64b57f407536511f99c0632bbd2f692ca53f16eeab0f15238597a4fb4 was found to be: Known bad.
Malicious Activity Summary
Cobalt Strike reflective loader
Cobaltstrike family
System Location Discovery: System Language Discovery
Unsigned PE
Program crash
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-11 06:18
Signatures
Cobalt Strike reflective loader
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Cobaltstrike family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-10-11 06:18
Reported
2024-10-11 06:21
Platform
win7-20240729-en
Max time kernel
63s
Max time network
17s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6c7571c64b57f407536511f99c0632bbd2f692ca53f16eeab0f15238597a4fb4.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6c7571c64b57f407536511f99c0632bbd2f692ca53f16eeab0f15238597a4fb4.dll,#1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2368 -s 228
Network
Files
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-11 06:18
Reported
2024-10-11 06:21
Platform
win10v2004-20241007-en
Max time kernel
148s
Max time network
151s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2768 wrote to memory of 1164 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2768 wrote to memory of 1164 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2768 wrote to memory of 1164 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6c7571c64b57f407536511f99c0632bbd2f692ca53f16eeab0f15238597a4fb4.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6c7571c64b57f407536511f99c0632bbd2f692ca53f16eeab0f15238597a4fb4.dll,#1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1164 -ip 1164
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1164 -s 632
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 197.87.175.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 98.117.19.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |