HIGH 'Regsvr32 may have run code from an untrusted source' along with 3 other issues

NEW ID: #1715 | Created: 2026-01-15 14:30:35
XDR Console
4
Alerts
1
Hosts
8
Files
0
Network
Incident Overview

'Regsvr32 may have run code from an untrusted source' along with 3 other issues generated by XDR BIOC and XDR Agent detected on host desktop-fnumv3u involving 2 users

4
2026-01-15 14:31
Unassigned
XDR BIOC, XDR Agent
Malware Execution
Affected Hosts & Users
desktop-fnumv3u\user user
MITRE ATT&CK Mapping
TA0005 - Defense Evasion TA0011 - Command and Control
T1218.010 - System Binary Proxy Execution: Regsvr32 T1218.007 - System Binary Proxy Execution: Msiexec T1071.001 - Application Layer Protocol: Web Protocols
File Artifacts 8
File Name Path SHA256 Signature Verdict Actions
cmd.exe - badf4752413cb0cbdc03fb95820ca167f0cdc63b597ccdb5ef43111180e088b0 SIGNATURE_SIGNED UNKNOWN VT
regsvr32.exe - 022cb167a29a32dae848be91aef721c74f1975af151807dafcc5ed832db246b7 SIGNATURE_SIGNED UNKNOWN VT
UltimateXdrGenerator.exe - 7ae4a9f4edd80c1cde8a4bcf49079b769591f422eae8fe4ec0ccac1a5b30cc1c SIGNATURE_UNSIGNED UNKNOWN VT
msiexec.exe - d53e90af814f61e09bff87a883a3b0dcb7dcf883f17a2425a62a2d4b5a9407fb SIGNATURE_SIGNED UNKNOWN VT
conhost.exe - b02ee54fb2ec69673386d41119ee8ed083a6eab3bfca6aa2155d20ce68ef8963 SIGNATURE_SIGNED UNKNOWN VT
python.exe - 467014615a5255aca450ae88100dd2caf887da87657f00e3c2171ec44a685aec SIGNATURE_SIGNED UNKNOWN VT
chcp.com - f596974158428e42aa47e9eddccb5a854f20cbd2df9d0c044093f38514c56328 SIGNATURE_SIGNED UNKNOWN VT
timeout.exe - c8c350fab1130644536db6a84f605791367308b995079ad494d46a8c617c21d6 SIGNATURE_SIGNED UNKNOWN VT
Network Artifacts 0
No network artifacts found for this incident
Process Artifacts 4
Process Command Line Parent Process User
cmd.exe C:\WINDOWS\SYSTEM32\cmd.exe /c ""C:\app\cortex-xdr-siem-test\xdr_incident_runner... cmd.exe User
cmd.exe C:\WINDOWS\system32\cmd.exe /c "regsvr32 /s /n /u /i:http://127.0.0.1/test.sct s... cmd.exe DESKTOP-FNUMV3U\User
cmd.exe C:\WINDOWS\system32\cmd.exe /c "regsvr32 /s /n /u /i:http://127.0.0.1/test.sct s... 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
4
Alerts
1
Hosts
8
Files
0
Network
Alert Categories
Malware Execution
Timeline
01-15 14:31:26
Incident Modified
Status or details updated
01-15 14:30:35
Incident Created
#1715 - 'Regsvr32 may have run code from an untrusted source' along with 3 other issues
01-15 14:30:35
cmd.exe
Verdict: Unknown
01-15 14:30:35
regsvr32.exe
Verdict: Unknown
01-15 14:30:35
UltimateXdrGenerator.exe
Verdict: Unknown
01-15 14:30:35
msiexec.exe
Verdict: Unknown
01-15 14:30:35
conhost.exe
Verdict: Unknown
01-15 14:30:35
python.exe
Verdict: Unknown
01-15 14:30:35
chcp.com
Verdict: Unknown
01-15 14:30:35
timeout.exe
Verdict: Unknown
01-15 14:30:32
Network Connection - 1971152322
high - Prevented (Blocked)
01-15 14:30:30
Regsvr32 may have run code from an untrusted source
high - Detected
01-15 14:30:29
Suspicious Process Creation
medium - Prevented (Blocked)
01-15 14:30:01
WildFire Malware
medium - Prevented (Blocked)