Analysis Overview
SHA256
2d54f3ad3067084cc1fe5abac3bce7f791f6d0b772df74911648d680ac2c6552
Threat Level: Known bad
The file JaffaCakes118_6b6177f3fa2164a5df5827fb67cea3e6 was found to be: Known bad.
Malicious Activity Summary
Expiro family
Expiro, m0yv
Expiro payload
Program crash
System Location Discovery: System Language Discovery
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2025-01-03 08:29
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2025-01-03 08:29
Reported
2025-01-03 08:32
Platform
win7-20240903-en
Max time kernel
122s
Max time network
122s
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_6b6177f3fa2164a5df5827fb67cea3e6.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_6b6177f3fa2164a5df5827fb67cea3e6.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2380 wrote to memory of 2096 | N/A | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6b6177f3fa2164a5df5827fb67cea3e6.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2380 wrote to memory of 2096 | N/A | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6b6177f3fa2164a5df5827fb67cea3e6.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2380 wrote to memory of 2096 | N/A | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6b6177f3fa2164a5df5827fb67cea3e6.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2380 wrote to memory of 2096 | N/A | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6b6177f3fa2164a5df5827fb67cea3e6.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6b6177f3fa2164a5df5827fb67cea3e6.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6b6177f3fa2164a5df5827fb67cea3e6.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2380 -s 156
Network
Files
memory/2380-0-0x00000000016EE000-0x0000000001781000-memory.dmp
memory/2380-1-0x0000000000FA0000-0x0000000001781000-memory.dmp
memory/2380-2-0x00000000016EE000-0x0000000001781000-memory.dmp
memory/2380-3-0x0000000000FA0000-0x0000000001781000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2025-01-03 08:29
Reported
2025-01-03 08:32
Platform
win10v2004-20241007-en
Max time kernel
94s
Max time network
134s
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_6b6177f3fa2164a5df5827fb67cea3e6.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_6b6177f3fa2164a5df5827fb67cea3e6.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6b6177f3fa2164a5df5827fb67cea3e6.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6b6177f3fa2164a5df5827fb67cea3e6.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 408 -ip 408
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 408 -s 424
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 60.153.16.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 74.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 212.20.149.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.49.80.91.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.49.80.91.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
Files
memory/408-0-0x0000000000BFE000-0x0000000000C91000-memory.dmp
memory/408-1-0x00000000004B0000-0x0000000000C91000-memory.dmp
memory/408-2-0x0000000000BFE000-0x0000000000C91000-memory.dmp
memory/408-3-0x00000000004B0000-0x0000000000C91000-memory.dmp