Analysis Overview
SHA256
cfd3dd5295daaa16c5aef685c04582b0ffa467c13db6a3aa47eecffe237573be
Threat Level: Known bad
The file 56cd90fac586cba54f91b085af262730.bin was found to be: Known bad.
Malicious Activity Summary
Gandcrab family
GandCrab payload
Unsigned PE
Program crash
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix
Analysis: static1
Detonation Overview
Reported
2024-05-31 01:56
Signatures
GandCrab payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Gandcrab family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-31 01:56
Reported
2024-05-31 01:58
Platform
win7-20240221-en
Max time kernel
121s
Max time network
128s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\56cd90fac586cba54f91b085af262730.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\56cd90fac586cba54f91b085af262730.dll,#1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2768 -s 232
Network
Files
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-31 01:56
Reported
2024-05-31 01:58
Platform
win10v2004-20240426-en
Max time kernel
93s
Max time network
95s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1324 wrote to memory of 3476 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1324 wrote to memory of 3476 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1324 wrote to memory of 3476 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\56cd90fac586cba54f91b085af262730.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\56cd90fac586cba54f91b085af262730.dll,#1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3476 -ip 3476
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3476 -s 624
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |