Analysis Overview
SHA256
80bf09a25f2f811a45913cd27eabddedfec841929d508737f19994acd05b3db2
Threat Level: Known bad
The file 80bf09a25f2f811a45913cd27eabddedfec841929d508737f19994acd05b3db2.exe was found to be: Known bad.
Malicious Activity Summary
Skuld family
Adds Run key to start application
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Views/modifies file attributes
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-19 08:10
Signatures
Skuld family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-19 08:10
Reported
2024-11-19 08:12
Platform
win10v2004-20241007-en
Max time kernel
93s
Max time network
96s
Command Line
Signatures
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Realtek HD Audio Universal Service = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Protect\\SecurityHealthSystray.exe" | C:\Users\Admin\AppData\Local\Temp\80bf09a25f2f811a45913cd27eabddedfec841929d508737f19994acd05b3db2.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\80bf09a25f2f811a45913cd27eabddedfec841929d508737f19994acd05b3db2.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 936 wrote to memory of 4996 | N/A | C:\Users\Admin\AppData\Local\Temp\80bf09a25f2f811a45913cd27eabddedfec841929d508737f19994acd05b3db2.exe | C:\Windows\system32\attrib.exe |
| PID 936 wrote to memory of 4996 | N/A | C:\Users\Admin\AppData\Local\Temp\80bf09a25f2f811a45913cd27eabddedfec841929d508737f19994acd05b3db2.exe | C:\Windows\system32\attrib.exe |
Views/modifies file attributes
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\attrib.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\80bf09a25f2f811a45913cd27eabddedfec841929d508737f19994acd05b3db2.exe
"C:\Users\Admin\AppData\Local\Temp\80bf09a25f2f811a45913cd27eabddedfec841929d508737f19994acd05b3db2.exe"
C:\Windows\system32\attrib.exe
attrib +h +s C:\Users\Admin\AppData\Local\Temp\80bf09a25f2f811a45913cd27eabddedfec841929d508737f19994acd05b3db2.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 212.20.149.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 85.49.80.91.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.130.81.91.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
Files
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-19 08:10
Reported
2024-11-19 08:12
Platform
win7-20240729-en
Max time kernel
117s
Max time network
118s
Command Line
Signatures
Processes
C:\Users\Admin\AppData\Local\Temp\80bf09a25f2f811a45913cd27eabddedfec841929d508737f19994acd05b3db2.exe
"C:\Users\Admin\AppData\Local\Temp\80bf09a25f2f811a45913cd27eabddedfec841929d508737f19994acd05b3db2.exe"