Analysis Overview
SHA256
7be118f59d7f5f325bc62b79bbb0df17b2f90d89e2cc32835d89d5f5cff0f2da
Threat Level: Known bad
The file NEAS.125c022525105cdd1d8b79a60ae37260_JC.exe was found to be: Known bad.
Malicious Activity Summary
Tofsee family
Unsigned PE
Program crash
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2023-11-05 03:55
Signatures
Tofsee family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-11-05 03:55
Reported
2023-11-05 03:58
Platform
win7-20231020-en
Max time kernel
118s
Max time network
122s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\NEAS.125c022525105cdd1d8b79a60ae37260_JC.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1200 wrote to memory of 1996 | N/A | C:\Users\Admin\AppData\Local\Temp\NEAS.125c022525105cdd1d8b79a60ae37260_JC.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1200 wrote to memory of 1996 | N/A | C:\Users\Admin\AppData\Local\Temp\NEAS.125c022525105cdd1d8b79a60ae37260_JC.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1200 wrote to memory of 1996 | N/A | C:\Users\Admin\AppData\Local\Temp\NEAS.125c022525105cdd1d8b79a60ae37260_JC.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1200 wrote to memory of 1996 | N/A | C:\Users\Admin\AppData\Local\Temp\NEAS.125c022525105cdd1d8b79a60ae37260_JC.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\NEAS.125c022525105cdd1d8b79a60ae37260_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.125c022525105cdd1d8b79a60ae37260_JC.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1200 -s 36
Network
Files
Analysis: behavioral2
Detonation Overview
Submitted
2023-11-05 03:55
Reported
2023-11-05 03:58
Platform
win10v2004-20231023-en
Max time kernel
133s
Max time network
156s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\NEAS.125c022525105cdd1d8b79a60ae37260_JC.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\NEAS.125c022525105cdd1d8b79a60ae37260_JC.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\NEAS.125c022525105cdd1d8b79a60ae37260_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.125c022525105cdd1d8b79a60ae37260_JC.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3740 -ip 3740
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3740 -s 216
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3740 -ip 3740
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3740 -s 220
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 22.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 121.252.72.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 39.142.81.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1.202.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 59.128.231.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 123.10.44.20.in-addr.arpa | udp |