Analysis Overview
SHA256
0b087d5eefeb802442af50eca83ac0f70c7c9f8877126f6236150b4d66beddf8
Threat Level: Known bad
The file 2776-29-0x0000000000400000-0x0000000000417000-memory.dmp was found to be: Known bad.
Malicious Activity Summary
Remcos family
Unsigned PE
Program crash
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-05-10 10:15
Signatures
Remcos family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-10 10:15
Reported
2024-05-10 10:17
Platform
win7-20240508-en
Max time kernel
122s
Max time network
124s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\2776-29-0x0000000000400000-0x0000000000417000-memory.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3048 wrote to memory of 2200 | N/A | C:\Users\Admin\AppData\Local\Temp\2776-29-0x0000000000400000-0x0000000000417000-memory.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 3048 wrote to memory of 2200 | N/A | C:\Users\Admin\AppData\Local\Temp\2776-29-0x0000000000400000-0x0000000000417000-memory.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 3048 wrote to memory of 2200 | N/A | C:\Users\Admin\AppData\Local\Temp\2776-29-0x0000000000400000-0x0000000000417000-memory.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 3048 wrote to memory of 2200 | N/A | C:\Users\Admin\AppData\Local\Temp\2776-29-0x0000000000400000-0x0000000000417000-memory.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2776-29-0x0000000000400000-0x0000000000417000-memory.exe
"C:\Users\Admin\AppData\Local\Temp\2776-29-0x0000000000400000-0x0000000000417000-memory.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3048 -s 172
Network
Files
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-10 10:15
Reported
2024-05-10 10:17
Platform
win10v2004-20240426-en
Max time kernel
136s
Max time network
99s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\2776-29-0x0000000000400000-0x0000000000417000-memory.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2776-29-0x0000000000400000-0x0000000000417000-memory.exe
"C:\Users\Admin\AppData\Local\Temp\2776-29-0x0000000000400000-0x0000000000417000-memory.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1688 -ip 1688
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1688 -s 532
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 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| NL | 23.62.61.75:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.61.62.23.in-addr.arpa | udp |
| NL | 23.62.61.75:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 139.53.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 77.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 79.190.18.2.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 | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |