Analysis Overview
SHA256
a30d56e5191331af35183391ecf6ea1bd45dccea1fbeb0a7e6f6933bf7f209fd
Threat Level: Known bad
The file JaffaCakes118_6dbaa3024b9d157f41620afae069d709 was found to be: Known bad.
Malicious Activity Summary
Expiro family
Expiro, m0yv
Expiro payload
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
2025-01-03 15:50
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2025-01-03 15:50
Reported
2025-01-03 15:52
Platform
win7-20240708-en
Max time kernel
121s
Max time network
124s
Command Line
Signatures
Expiro family
Expiro, m0yv
Expiro payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6dbaa3024b9d157f41620afae069d709.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\JaffaCakes118_6dbaa3024b9d157f41620afae069d709.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2680 wrote to memory of 2784 | N/A | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6dbaa3024b9d157f41620afae069d709.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2680 wrote to memory of 2784 | N/A | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6dbaa3024b9d157f41620afae069d709.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2680 wrote to memory of 2784 | N/A | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6dbaa3024b9d157f41620afae069d709.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2680 wrote to memory of 2784 | N/A | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6dbaa3024b9d157f41620afae069d709.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6dbaa3024b9d157f41620afae069d709.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6dbaa3024b9d157f41620afae069d709.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2680 -s 68
Network
Files
memory/2680-0-0x000000000140C000-0x000000000149F000-memory.dmp
memory/2680-1-0x00000000013A0000-0x000000000149F000-memory.dmp
memory/2680-2-0x000000000140C000-0x000000000149F000-memory.dmp
memory/2680-3-0x00000000013A0000-0x000000000149F000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2025-01-03 15:50
Reported
2025-01-03 15:52
Platform
win10v2004-20241007-en
Max time kernel
93s
Max time network
143s
Command Line
Signatures
Expiro family
Expiro, m0yv
Expiro payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6dbaa3024b9d157f41620afae069d709.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\JaffaCakes118_6dbaa3024b9d157f41620afae069d709.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6dbaa3024b9d157f41620afae069d709.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6dbaa3024b9d157f41620afae069d709.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 124 -p 1664 -ip 1664
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1664 -s 252
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.153.16.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.163.245.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 60.153.16.2.in-addr.arpa | udp |
Files
memory/1664-0-0x000000000053C000-0x00000000005CF000-memory.dmp
memory/1664-1-0x00000000004D0000-0x00000000005CF000-memory.dmp
memory/1664-2-0x000000000053C000-0x00000000005CF000-memory.dmp
memory/1664-3-0x00000000004D0000-0x00000000005CF000-memory.dmp