Analysis Overview
SHA256
5895164454aba620b70384013953a9e1e8e0b90166bd5fb849275e42071f0025
Threat Level: Known bad
The file a79c261f6fae161ede7489db34ca3813 was found to be: Known bad.
Malicious Activity Summary
DarkVNC
DarkVNC payload
Suspicious use of SetThreadContext
Program crash
Unsigned PE
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix
Analysis: static1
Detonation Overview
Reported
2024-02-26 23:20
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-02-26 23:20
Reported
2024-02-26 23:22
Platform
win7-20240221-en
Max time kernel
120s
Max time network
124s
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 |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2272 set thread context of 3000 | N/A | C:\Users\Admin\AppData\Local\Temp\a79c261f6fae161ede7489db34ca3813.exe | C:\Windows\system32\WerFault.exe |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a79c261f6fae161ede7489db34ca3813.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\a79c261f6fae161ede7489db34ca3813.exe
"C:\Users\Admin\AppData\Local\Temp\a79c261f6fae161ede7489db34ca3813.exe"
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe
Network
Files
memory/2272-1-0x0000000000290000-0x0000000000390000-memory.dmp
memory/2272-4-0x0000000000940000-0x00000000009C8000-memory.dmp
memory/2272-3-0x0000000000400000-0x0000000000937000-memory.dmp
memory/3000-5-0x000007FFFFFD6000-0x000007FFFFFD7000-memory.dmp
memory/3000-7-0x0000000000080000-0x0000000000081000-memory.dmp
memory/3000-6-0x0000000001B30000-0x0000000001BFA000-memory.dmp
memory/3000-11-0x0000000001B30000-0x0000000001BFA000-memory.dmp
memory/2272-12-0x0000000000400000-0x0000000000937000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-26 23:20
Reported
2024-02-26 23:22
Platform
win10v2004-20240226-en
Max time kernel
92s
Max time network
125s
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 |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\a79c261f6fae161ede7489db34ca3813.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2976 wrote to memory of 3508 | N/A | C:\Users\Admin\AppData\Local\Temp\a79c261f6fae161ede7489db34ca3813.exe | C:\Windows\system32\WerFault.exe |
| PID 2976 wrote to memory of 3508 | N/A | C:\Users\Admin\AppData\Local\Temp\a79c261f6fae161ede7489db34ca3813.exe | C:\Windows\system32\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\a79c261f6fae161ede7489db34ca3813.exe
"C:\Users\Admin\AppData\Local\Temp\a79c261f6fae161ede7489db34ca3813.exe"
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2976 -ip 2976
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2976 -s 548
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 74.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.236.111.52.in-addr.arpa | udp |
Files
memory/2976-1-0x0000000000960000-0x0000000000A60000-memory.dmp
memory/2976-2-0x0000000000B60000-0x0000000000BE8000-memory.dmp
memory/2976-4-0x0000000000400000-0x0000000000937000-memory.dmp
memory/2976-6-0x0000000000B60000-0x0000000000BE8000-memory.dmp