Analysis Overview
SHA256
3b4770892d8a8ccac1b96c40d368b08ec9d91e7ac8505b6437d0e7b619a3bbfe
Threat Level: Known bad
The file 3b4770892d8a8ccac1b96c40d368b08ec9d91e7ac8505b6437d0e7b619a3bbfe.dll was found to be: Known bad.
Malicious Activity Summary
Qakbot family
Program crash
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2023-02-28 17:50
Signatures
Qakbot family
Analysis: behavioral2
Detonation Overview
Submitted
2023-02-28 17:50
Reported
2023-02-28 17:52
Platform
win10v2004-20230220-en
Max time kernel
145s
Max time network
110s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1604 wrote to memory of 5060 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1604 wrote to memory of 5060 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1604 wrote to memory of 5060 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 5060 wrote to memory of 3244 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\wermgr.exe |
| PID 5060 wrote to memory of 3244 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\wermgr.exe |
| PID 5060 wrote to memory of 3244 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\wermgr.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3b4770892d8a8ccac1b96c40d368b08ec9d91e7ac8505b6437d0e7b619a3bbfe.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3b4770892d8a8ccac1b96c40d368b08ec9d91e7ac8505b6437d0e7b619a3bbfe.dll,#1
C:\Windows\SysWOW64\wermgr.exe
C:\Windows\SysWOW64\wermgr.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 5060 -ip 5060
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5060 -s 756
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.220.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 210.81.184.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| JP | 13.78.111.198:443 | tcp | |
| US | 8.8.8.8:53 | 62.13.109.52.in-addr.arpa | udp |
| US | 93.184.221.240:80 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| NL | 173.223.113.164:443 | tcp | |
| US | 8.8.8.8:53 | 161.252.72.23.in-addr.arpa | udp |
Files
Analysis: behavioral1
Detonation Overview
Submitted
2023-02-28 17:50
Reported
2023-02-28 17:52
Platform
win7-20230220-en
Max time kernel
31s
Max time network
34s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3b4770892d8a8ccac1b96c40d368b08ec9d91e7ac8505b6437d0e7b619a3bbfe.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3b4770892d8a8ccac1b96c40d368b08ec9d91e7ac8505b6437d0e7b619a3bbfe.dll,#1
C:\Windows\SysWOW64\wermgr.exe
C:\Windows\SysWOW64\wermgr.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1508 -s 356