Analysis Overview
SHA256
7e45b79940116f8a1de3a75f82e5209d0279d99479a24778e1590dd739b6ddf8
Threat Level: Known bad
The file dead.payload was found to be: Known bad.
Malicious Activity Summary
Umbral family
Umbral
Detect Umbral payload
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-07-11 16:56
Signatures
Detect Umbral payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Umbral family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-11 16:56
Reported
2024-07-11 16:56
Platform
win7-20240704-en
Max time kernel
23s
Max time network
17s
Command Line
Signatures
Detect Umbral payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Umbral
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2516 wrote to memory of 2952 | N/A | C:\Users\Admin\AppData\Local\Temp\dead.exe | C:\Windows\system32\WerFault.exe |
| PID 2516 wrote to memory of 2952 | N/A | C:\Users\Admin\AppData\Local\Temp\dead.exe | C:\Windows\system32\WerFault.exe |
| PID 2516 wrote to memory of 2952 | N/A | C:\Users\Admin\AppData\Local\Temp\dead.exe | C:\Windows\system32\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\dead.exe
"C:\Users\Admin\AppData\Local\Temp\dead.exe"
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2516 -s 548
Network
Files
memory/2516-0-0x000007FEF53D3000-0x000007FEF53D4000-memory.dmp
memory/2516-1-0x0000000000C50000-0x0000000000C96000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-11 16:56
Reported
2024-07-11 16:57
Platform
win10v2004-20240709-en
Max time kernel
30s
Max time network
5s
Command Line
Signatures
Detect Umbral payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Umbral
Processes
C:\Users\Admin\AppData\Local\Temp\dead.exe
"C:\Users\Admin\AppData\Local\Temp\dead.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 13.107.21.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 240.143.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 136.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.21.107.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | udp |
Files
memory/4164-0-0x000002093E870000-0x000002093E8B6000-memory.dmp
memory/4164-1-0x00007FFB4A883000-0x00007FFB4A885000-memory.dmp
memory/4164-2-0x00007FFB4A880000-0x00007FFB4B341000-memory.dmp
memory/4164-3-0x00007FFB4A880000-0x00007FFB4B341000-memory.dmp