Analysis Overview
SHA256
8560f0d726398fafd868b28403ccd79f32eaa3adc4c7f9289519bfe52dcfed25
Threat Level: Known bad
The file f4a239b50820825fb1c52aa4ebea2d7e_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Expiro, m0yv
Expiro payload
Program crash
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-04-17 00:12
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-17 00:12
Reported
2024-04-17 00:14
Platform
win7-20240221-en
Max time kernel
119s
Max time network
123s
Command Line
Signatures
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 |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\f4a239b50820825fb1c52aa4ebea2d7e_JaffaCakes118.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2340 wrote to memory of 2980 | N/A | C:\Users\Admin\AppData\Local\Temp\f4a239b50820825fb1c52aa4ebea2d7e_JaffaCakes118.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2340 wrote to memory of 2980 | N/A | C:\Users\Admin\AppData\Local\Temp\f4a239b50820825fb1c52aa4ebea2d7e_JaffaCakes118.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2340 wrote to memory of 2980 | N/A | C:\Users\Admin\AppData\Local\Temp\f4a239b50820825fb1c52aa4ebea2d7e_JaffaCakes118.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2340 wrote to memory of 2980 | N/A | C:\Users\Admin\AppData\Local\Temp\f4a239b50820825fb1c52aa4ebea2d7e_JaffaCakes118.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\f4a239b50820825fb1c52aa4ebea2d7e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f4a239b50820825fb1c52aa4ebea2d7e_JaffaCakes118.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2340 -s 144
Network
Files
memory/2340-0-0x0000000000890000-0x000000000099F000-memory.dmp
memory/2340-1-0x0000000000890000-0x000000000099F000-memory.dmp
memory/2340-2-0x0000000000890000-0x000000000099F000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-17 00:12
Reported
2024-04-17 00:15
Platform
win10v2004-20240412-en
Max time kernel
121s
Max time network
175s
Command Line
Signatures
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 |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\f4a239b50820825fb1c52aa4ebea2d7e_JaffaCakes118.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\f4a239b50820825fb1c52aa4ebea2d7e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f4a239b50820825fb1c52aa4ebea2d7e_JaffaCakes118.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4636 -ip 4636
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4636 -s 532
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 140.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.114.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 203.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 131.72.42.20.in-addr.arpa | udp |
Files
memory/4636-0-0x0000000000B40000-0x0000000000C4F000-memory.dmp
memory/4636-1-0x0000000000B40000-0x0000000000C4F000-memory.dmp
memory/4636-2-0x0000000000B40000-0x0000000000C4F000-memory.dmp