Analysis Overview
SHA256
e11547db899baadb5a40d9e624779d42a76ae3a7f3fcfe69c94e9e0d4783c32e
Threat Level: Known bad
The file e11547db899baadb5a40d9e624779d42a76ae3a7f3fcfe69c94e9e0d4783c32e.exe was found to be: Known bad.
Malicious Activity Summary
DarkVNC
Darkvnc family
DarkVNC payload
Suspicious use of SetThreadContext
System Location Discovery: System Language Discovery
Unsigned PE
Program crash
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-20 23:59
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-20 23:59
Reported
2024-11-21 00:01
Platform
win7-20241010-en
Max time kernel
114s
Max time network
109s
Command Line
Signatures
DarkVNC
Darkvnc family
DarkVNC payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1104 set thread context of 2736 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\system32\WerFault.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious behavior: MapViewOfSection
| 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\e11547db899baadb5a40d9e624779d42a76ae3a7f3fcfe69c94e9e0d4783c32e.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e11547db899baadb5a40d9e624779d42a76ae3a7f3fcfe69c94e9e0d4783c32e.dll,#1
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe
Network
| Country | Destination | Domain | Proto |
| US | 23.83.133.126:443 | tcp | |
| US | 23.83.133.126:443 | tcp | |
| US | 23.83.133.126:443 | tcp | |
| US | 23.83.133.126:443 | tcp |
Files
memory/1104-2-0x00000000746E0000-0x00000000748D1000-memory.dmp
memory/1104-3-0x00000000746E0000-0x00000000748D1000-memory.dmp
memory/1104-0-0x0000000074833000-0x0000000074837000-memory.dmp
memory/2736-4-0x000007FFFFFD4000-0x000007FFFFFD5000-memory.dmp
memory/2736-6-0x0000000001B60000-0x0000000001C2A000-memory.dmp
memory/2736-5-0x0000000000080000-0x0000000000081000-memory.dmp
memory/2736-11-0x0000000001B60000-0x0000000001C2A000-memory.dmp
memory/2736-10-0x0000000001B60000-0x0000000001C2A000-memory.dmp
memory/2736-14-0x0000000001B60000-0x0000000001C2A000-memory.dmp
memory/2736-12-0x0000000001B60000-0x0000000001C2A000-memory.dmp
memory/2736-13-0x0000000001B60000-0x0000000001C2A000-memory.dmp
memory/1104-15-0x00000000746E0000-0x00000000748D1000-memory.dmp
memory/2736-16-0x0000000001B60000-0x0000000001C2A000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-20 23:59
Reported
2024-11-21 00:01
Platform
win10v2004-20241007-en
Max time kernel
93s
Max time network
100s
Command Line
Signatures
DarkVNC
Darkvnc family
DarkVNC payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1436 wrote to memory of 2440 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1436 wrote to memory of 2440 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1436 wrote to memory of 2440 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2440 wrote to memory of 1644 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\system32\WerFault.exe |
| PID 2440 wrote to memory of 1644 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\system32\WerFault.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e11547db899baadb5a40d9e624779d42a76ae3a7f3fcfe69c94e9e0d4783c32e.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e11547db899baadb5a40d9e624779d42a76ae3a7f3fcfe69c94e9e0d4783c32e.dll,#1
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2440 -ip 2440
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2440 -s 724
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.163.202.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.42.69.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 96.136.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
Files
memory/2440-0-0x00000000752A3000-0x00000000752A7000-memory.dmp
memory/2440-1-0x0000000075150000-0x0000000075341000-memory.dmp
memory/2440-3-0x0000000075150000-0x0000000075341000-memory.dmp