HIGH 'Regsvr32 may have run code from an untrusted source' along with 5 other issues
RESOLVED FALSE POSITIVE
ID: #255
|
Created: 2026-01-03 10:42:18
6
Alerts
1
Hosts
4
Files
0
Network
Incident Overview
'Regsvr32 may have run code from an untrusted source' along with 5 other issues generated by XDR BIOC and XDR Agent detected on host desktop-fnumv3u involving user desktop-fnumv3u\user
6
2026-01-03 11:00
Unassigned
XDR BIOC, XDR Agent
Malware
Collection
Execution
Affected Hosts & Users
desktop-fnumv3u\user
MITRE ATT&CK Mapping
File Artifacts
4
| File Name | Path | SHA256 | Signature | Verdict | Actions |
|---|---|---|---|---|---|
| UltimateXdrGenerator.exe | - |
82fabb35db24a714b179c912f8c0cb90ef174c8db9d6c5bbc59346da7478d82d
|
SIGNATURE_UNSIGNED | UNKNOWN | VT |
| cmd.exe | - |
badf4752413cb0cbdc03fb95820ca167f0cdc63b597ccdb5ef43111180e088b0
|
SIGNATURE_SIGNED | UNKNOWN | VT |
| powershell.exe | - |
9785001b0dcf755eddb8af294a373c0b87b2498660f724e76c4d53f9c217c7a3
|
SIGNATURE_SIGNED | UNKNOWN | VT |
| regsvr32.exe | - |
022cb167a29a32dae848be91aef721c74f1975af151807dafcc5ed832db246b7
|
SIGNATURE_SIGNED | UNKNOWN | VT |
Network Artifacts
0
No network artifacts found for this incident
Process Artifacts
6
| Process | Command Line | Parent Process | User |
|---|---|---|---|
| UltimateXdrGenerator.exe |
"C:\app\cortex-xdr-siem-test\xdr_tools\UltimateXdrGenerator\bin\publish\Ultimate...
|
cmd.exe | DESKTOP-FNUMV3U\User |
| UltimateXdrGenerator.exe |
"C:\app\cortex-xdr-siem-test\xdr_tools\UltimateXdrGenerator\bin\publish\Ultimate...
|
cmd.exe | DESKTOP-FNUMV3U\User |
| UltimateXdrGenerator.exe |
"C:\app\cortex-xdr-siem-test\xdr_tools\UltimateXdrGenerator\bin\publish\Ultimate...
|
cmd.exe | DESKTOP-FNUMV3U\User |
| UltimateXdrGenerator.exe |
"C:\app\cortex-xdr-siem-test\xdr_tools\UltimateXdrGenerator\bin\publish\Ultimate...
|
cmd.exe | DESKTOP-FNUMV3U\User |
| UltimateXdrGenerator.exe |
"C:\app\cortex-xdr-siem-test\xdr_tools\UltimateXdrGenerator\bin\publish\Ultimate...
|
cmd.exe | DESKTOP-FNUMV3U\User |
| UltimateXdrGenerator.exe |
"C:\app\cortex-xdr-siem-test\xdr_tools\UltimateXdrGenerator\bin\publish\Ultimate...
|
cmd.exe | DESKTOP-FNUMV3U\User |
Registry Artifacts
0
No registry artifacts found for this incident
Analyst Verdict
HIGH
- Isolate affected endpoints
- Investigate all related alerts
- Document findings
Summary
6
Alerts
1
Hosts
4
Files
0
Network
Alert Categories
Malware
Collection
Execution
Timeline
01-03 11:00:05
Incident Modified
Status or details updated
01-03 11:00:05
Incident Resolved
resolved false positive
01-03 10:56:17
PowerShell runs with known Mimikatz arguments
medium - Detected
01-03 10:56:15
Suspicious Process Creation
medium - Prevented (Blocked)
01-03 10:49:15
PowerShell runs with known Mimikatz arguments
medium - Detected
01-03 10:49:14
Suspicious Process Creation
medium - Prevented (Blocked)
01-03 10:42:18
Incident Created
#255 - 'Regsvr32 may have run code from an untrusted source' along with 5 other issues
01-03 10:42:18
UltimateXdrGenerator.exe
Verdict: Unknown
01-03 10:42:18
cmd.exe
Verdict: Unknown
01-03 10:42:18
powershell.exe
Verdict: Unknown
01-03 10:42:18
regsvr32.exe
Verdict: Unknown
01-03 10:42:10
Regsvr32 may have run code from an untrusted source
high - Detected
01-03 10:42:09
Suspicious Process Creation
medium - Prevented (Blocked)