Analysis Overview
SHA256
900959cec2c1ef934cbd697a9dc0f87e711dbe0ff1f6dfc69df1cf06bdd05cca
Threat Level: Known bad
The file 900959cec2c1ef934cbd697a9dc0f87e711dbe0ff1f6dfc69df1cf06bdd05cca.dll was found to be: Known bad.
Malicious Activity Summary
Qakbot family
Unsigned PE
Program crash
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2023-05-16 15:35
Signatures
Qakbot family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-05-16 15:35
Reported
2023-05-16 15:38
Platform
win10-20230220-en
Max time kernel
57s
Max time network
61s
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 3712 wrote to memory of 4212 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3712 wrote to memory of 4212 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3712 wrote to memory of 4212 | 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\900959cec2c1ef934cbd697a9dc0f87e711dbe0ff1f6dfc69df1cf06bdd05cca.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\900959cec2c1ef934cbd697a9dc0f87e711dbe0ff1f6dfc69df1cf06bdd05cca.dll,#1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4212 -s 604
Network
| Country | Destination | Domain | Proto |
| NL | 20.103.253.93:80 | tcp | |
| US | 20.189.173.11:443 | tcp | |
| US | 8.8.8.8:53 | 45.8.109.52.in-addr.arpa | udp |
Files
Analysis: behavioral2
Detonation Overview
Submitted
2023-05-16 15:35
Reported
2023-05-16 15:38
Platform
win7-20230220-en
Max time kernel
31s
Max time network
33s
Command Line
Signatures
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1488 wrote to memory of 1448 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1488 wrote to memory of 1448 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1488 wrote to memory of 1448 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1488 wrote to memory of 1448 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1488 wrote to memory of 1448 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1488 wrote to memory of 1448 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1488 wrote to memory of 1448 | 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\900959cec2c1ef934cbd697a9dc0f87e711dbe0ff1f6dfc69df1cf06bdd05cca.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\900959cec2c1ef934cbd697a9dc0f87e711dbe0ff1f6dfc69df1cf06bdd05cca.dll,#1
Network
Files
Analysis: behavioral3
Detonation Overview
Submitted
2023-05-16 15:35
Reported
2023-05-16 15:38
Platform
win10v2004-20230220-en
Max time kernel
135s
Max time network
145s
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 3032 wrote to memory of 2520 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3032 wrote to memory of 2520 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3032 wrote to memory of 2520 | 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\900959cec2c1ef934cbd697a9dc0f87e711dbe0ff1f6dfc69df1cf06bdd05cca.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\900959cec2c1ef934cbd697a9dc0f87e711dbe0ff1f6dfc69df1cf06bdd05cca.dll,#1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 2520 -ip 2520
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2520 -s 588
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 76.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 40.125.122.176:443 | tcp | |
| US | 20.42.73.26:443 | tcp | |
| US | 40.125.122.176:443 | tcp | |
| US | 8.8.8.8:53 | 0.77.109.52.in-addr.arpa | udp |
| US | 93.184.221.240:80 | tcp | |
| NL | 173.223.113.164:443 | tcp | |
| NL | 173.223.113.131:80 | tcp | |
| NL | 173.223.113.131:80 | tcp | |
| US | 204.79.197.203:80 | tcp | |
| US | 40.125.122.176:443 | tcp | |
| US | 40.125.122.176:443 | tcp | |
| US | 40.125.122.176:443 | tcp | |
| US | 40.125.122.176:443 | tcp |