Analysis Overview
SHA256
db8e7fa7eaa81e51c4d220c4b2b0902cd7825e0178f7ec81f93089ecabc33861
Threat Level: Known bad
The file nezurupdateopenfirst.exe was found to be: Known bad.
Malicious Activity Summary
Detect Umbral payload
Umbral
Umbral family
Unsigned PE
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-06-21 02:22
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
2024-06-21 02:22
Reported
2024-06-21 02:22
Platform
win10v2004-20240508-en
Max time kernel
24s
Max time network
27s
Command Line
Signatures
Detect Umbral payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Umbral
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\nezurupdateopenfirst.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\nezurupdateopenfirst.exe
"C:\Users\Admin\AppData\Local\Temp\nezurupdateopenfirst.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | gstatic.com | udp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
Files
memory/1076-0-0x000001A594D00000-0x000001A594D40000-memory.dmp
memory/1076-1-0x00007FFB82733000-0x00007FFB82735000-memory.dmp
memory/1076-2-0x00007FFB82730000-0x00007FFB831F1000-memory.dmp
memory/1076-3-0x00007FFB82730000-0x00007FFB831F1000-memory.dmp