Analysis Overview
SHA256
d5e0eecc3da1a2bc3f36df0a05c0ce116def64c9e6c72224c8988a671ed7fe8a
Threat Level: Known bad
The file 64b4db1046496c57a0779befc72c264d was found to be: Known bad.
Malicious Activity Summary
DarkVNC
DarkVNC payload
Suspicious use of SetThreadContext
Program crash
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
MITRE ATT&CK Matrix
Analysis: static1
Detonation Overview
Reported
2024-01-18 06:27
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-18 06:27
Reported
2024-01-18 06:30
Platform
win7-20231215-en
Max time kernel
145s
Max time network
151s
Command Line
Signatures
DarkVNC
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 2916 set thread context of 2684 | N/A | C:\Users\Admin\AppData\Local\Temp\64b4db1046496c57a0779befc72c264d.exe | C:\Windows\system32\WerFault.exe |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\64b4db1046496c57a0779befc72c264d.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\64b4db1046496c57a0779befc72c264d.exe
"C:\Users\Admin\AppData\Local\Temp\64b4db1046496c57a0779befc72c264d.exe"
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe
Network
| Country | Destination | Domain | Proto |
| US | 23.83.133.152:443 | tcp | |
| US | 23.83.133.152:443 | tcp | |
| US | 23.83.133.152:443 | tcp | |
| US | 23.83.133.152:443 | tcp | |
| US | 23.83.133.152:443 | tcp | |
| US | 23.83.133.152:443 | tcp | |
| US | 23.83.133.152:443 | tcp | |
| US | 23.83.133.152:443 | tcp | |
| US | 23.83.133.152:443 | tcp | |
| US | 23.83.133.152:443 | tcp |
Files
memory/2916-1-0x0000000002D20000-0x0000000002E20000-memory.dmp
memory/2916-3-0x00000000002A0000-0x0000000000328000-memory.dmp
memory/2916-4-0x0000000000400000-0x0000000002CA6000-memory.dmp
memory/2684-6-0x0000000001D00000-0x0000000001DCA000-memory.dmp
memory/2684-5-0x000007FFFFFDF000-0x000007FFFFFE0000-memory.dmp
memory/2684-8-0x0000000000080000-0x0000000000081000-memory.dmp
memory/2684-11-0x0000000001D00000-0x0000000001DCA000-memory.dmp
memory/2684-12-0x0000000001D00000-0x0000000001DCA000-memory.dmp
memory/2684-13-0x0000000001D00000-0x0000000001DCA000-memory.dmp
memory/2684-14-0x0000000001D00000-0x0000000001DCA000-memory.dmp
memory/2916-15-0x0000000000400000-0x0000000002CA6000-memory.dmp
memory/2684-16-0x0000000001D00000-0x0000000001DCA000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-18 06:27
Reported
2024-01-18 06:30
Platform
win10v2004-20231222-en
Max time kernel
150s
Max time network
150s
Command Line
Signatures
DarkVNC
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 |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\64b4db1046496c57a0779befc72c264d.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4416 wrote to memory of 3992 | N/A | C:\Users\Admin\AppData\Local\Temp\64b4db1046496c57a0779befc72c264d.exe | C:\Windows\system32\WerFault.exe |
| PID 4416 wrote to memory of 3992 | N/A | C:\Users\Admin\AppData\Local\Temp\64b4db1046496c57a0779befc72c264d.exe | C:\Windows\system32\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\64b4db1046496c57a0779befc72c264d.exe
"C:\Users\Admin\AppData\Local\Temp\64b4db1046496c57a0779befc72c264d.exe"
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4416 -ip 4416
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4416 -s 548
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 23.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.241.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 176.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 32.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 174.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 211.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 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 |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | udp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| US | 8.8.8.8:53 | udp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp |
Files
memory/4416-1-0x0000000002D10000-0x0000000002E10000-memory.dmp
memory/4416-2-0x0000000004AC0000-0x0000000004B48000-memory.dmp
memory/4416-4-0x0000000000400000-0x0000000002CA6000-memory.dmp
memory/4416-5-0x0000000000400000-0x0000000002CA6000-memory.dmp
memory/4416-6-0x0000000004AC0000-0x0000000004B48000-memory.dmp