HIGH 'Regsvr32 may have run code from an untrusted source' along with 42 other issues
RESOLVED SECURITY TESTING
ID: #76
|
Created: 2026-01-02 06:07:24
43
Alerts
1
Hosts
32
Files
0
Network
Incident Overview
'Regsvr32 may have run code from an untrusted source' along with 42 other issues generated by XDR BIOC and XDR Agent detected on host desktop-fnumv3u involving 2 users
43
2026-01-02 09:34
Unassigned
XDR BIOC, XDR Agent
Malware
Collection
Credential Access
Execution
Affected Hosts & Users
desktop-fnumv3u\user
user
MITRE ATT&CK Mapping
T1059 - Command and Scripting Interpreter
T1098 - Account Manipulation
T1102.002 - Web Service: Bidirectional Communication
T1003 - OS Credential Dumping
T1218 - System Binary Proxy Execution
T1552 - Unsecured Credentials
T1071.001 - Application Layer Protocol: Web Protocols
T1140 - Deobfuscate/Decode Files or Information
T1552.001 - Unsecured Credentials: Credentials In Files
T1059.001 - Command and Scripting Interpreter: PowerShell
T1218.010 - System Binary Proxy Execution: Regsvr32
T1218.007 - System Binary Proxy Execution: Msiexec
T1550 - Use Alternate Authentication Material
T1552.002 - Unsecured Credentials: Credentials in Registry
T1207 - Rogue Domain Controller
File Artifacts
32
| File Name | Path | SHA256 | Signature | Verdict | Actions |
|---|---|---|---|---|---|
| MegaGenerator.exe | - |
8b13dc94b8bb83116e6a44d654858757b82ccd3c9de9aa378796cfe5760fb88c
|
SIGNATURE_UNSIGNED | UNKNOWN | VT |
| cmd.exe | - |
badf4752413cb0cbdc03fb95820ca167f0cdc63b597ccdb5ef43111180e088b0
|
SIGNATURE_SIGNED | UNKNOWN | VT |
| UltimateXdrGenerator.exe | - |
82fabb35db24a714b179c912f8c0cb90ef174c8db9d6c5bbc59346da7478d82d
|
SIGNATURE_UNSIGNED | UNKNOWN | VT |
| powershell.exe | - |
9785001b0dcf755eddb8af294a373c0b87b2498660f724e76c4d53f9c217c7a3
|
SIGNATURE_SIGNED | UNKNOWN | VT |
| conhost.exe | - |
b02ee54fb2ec69673386d41119ee8ed083a6eab3bfca6aa2155d20ce68ef8963
|
SIGNATURE_SIGNED | UNKNOWN | VT |
| chcp.com | - |
f596974158428e42aa47e9eddccb5a854f20cbd2df9d0c044093f38514c56328
|
SIGNATURE_SIGNED | UNKNOWN | VT |
| python.exe | - |
467014615a5255aca450ae88100dd2caf887da87657f00e3c2171ec44a685aec
|
SIGNATURE_SIGNED | UNKNOWN | VT |
| regsvr32.exe | - |
022cb167a29a32dae848be91aef721c74f1975af151807dafcc5ed832db246b7
|
SIGNATURE_SIGNED | UNKNOWN | VT |
| wscript.exe | - |
40d9518bf166d1d94b4d60dfe40efb06d2dd92e1ca6d9ab1a4d2b8ccc49da532
|
SIGNATURE_SIGNED | UNKNOWN | VT |
| WMIC.exe | - |
da603fa720ab43aa6d4d36aa9fdb828dab9645523eabaac209af6451d5b4d757
|
SIGNATURE_SIGNED | UNKNOWN | VT |
| cscript.exe | - |
71864a482441889e8a32acead423cf2cefa982695dedc98cc8eb11b78335a5db
|
SIGNATURE_SIGNED | UNKNOWN | VT |
| timeout.exe | - |
c8c350fab1130644536db6a84f605791367308b995079ad494d46a8c617c21d6
|
SIGNATURE_SIGNED | UNKNOWN | VT |
| calc.exe | - |
58189cbd4e6dc0c7d8e66b6a6f75652fc9f4afc7ce0eba7d67d8c3feb0d5381f
|
SIGNATURE_SIGNED | UNKNOWN | VT |
| sc.exe | - |
41f067c3a11b02fe39947f9eba68ae5c7cb5bd1872a6009a4cd1506554a9aba9
|
SIGNATURE_SIGNED | UNKNOWN | VT |
| certutil.exe | - |
fd1670b43e2d9188b12b233780bf043c5a90a67a2c6e3fcdc564a5c246531bc2
|
SIGNATURE_SIGNED | UNKNOWN | VT |
| schtasks.exe | - |
2327e073dcf25ae03dc851ea0f3414980d3168fa959f42c5f77be1381ae6c41d
|
SIGNATURE_SIGNED | UNKNOWN | VT |
| forfiles.exe | - |
9b4886f187489a190bb2c412772c1998539f086c63a4cfd72ff3b107cbc21907
|
SIGNATURE_SIGNED | UNKNOWN | VT |
| reg.exe | - |
c0e25b1f9b22de445298c1e96ddfcead265ca030fa6626f61a4a4786cc4a3b7d
|
SIGNATURE_SIGNED | UNKNOWN | VT |
| msiexec.exe | - |
d53e90af814f61e09bff87a883a3b0dcb7dcf883f17a2425a62a2d4b5a9407fb
|
SIGNATURE_SIGNED | UNKNOWN | VT |
| rundll32.exe | - |
076592ca1957f8f357cc201f0015072c612f5770ad7de85f87f254253c754dd7
|
SIGNATURE_SIGNED | UNKNOWN | VT |
| mshta.exe | - |
f8a2fd36fdc35aa8e7e678576a2ecc5d7b3fe6383e73101508e5d7b49443d153
|
SIGNATURE_SIGNED | UNKNOWN | VT |
| net1.exe | - |
e62071aa18768dd88acaf97fa7b1f2fec9fcce89736c1ee9a800699328d196ea
|
SIGNATURE_SIGNED | UNKNOWN | VT |
| iexplore.exe | - |
254f32e153f83e5f32060d270402ecfbdd5ee0d9088276d81abd24c2e13ba7ea
|
SIGNATURE_SIGNED | UNKNOWN | VT |
| whoami.exe | - |
1d4902a04d99e8ccbfe7085e63155955fee397449d386453f6c452ae407b8743
|
SIGNATURE_SIGNED | UNKNOWN | VT |
| cmdkey.exe | - |
14bcc1901c5cca8e91a6400050308752916ac861bdd52cf3a44dc7ef46830282
|
SIGNATURE_SIGNED | UNKNOWN | VT |
| SyncAppvPublishingServer.exe | - |
c701a358e2fff22cc2543334c37f052af51069802573f9b3a9f4fc64d53e1c15
|
SIGNATURE_SIGNED | UNKNOWN | VT |
| NETSTAT.EXE | - |
b094e827af70241d71bed9767ec1a254fdc4164a646b2ba4c7105cd783adba0d
|
SIGNATURE_SIGNED | UNKNOWN | VT |
| TRACERT.EXE | - |
743f8e8a91b2d1e0db9323109034de91a1e065242a33a90bb787a63edb860b35
|
SIGNATURE_SIGNED | UNKNOWN | VT |
| net.exe | - |
9f376759bcbcd705f726460fc4a7e2b07f310f52baa73caaaaa124fddbdf993e
|
SIGNATURE_SIGNED | UNKNOWN | VT |
| VaultCmd.exe | - |
edc1b6a3e4fde216a323329e35f4192b0f49bc68285ee67036deff9e94c4e33a
|
SIGNATURE_SIGNED | UNKNOWN | VT |
| PresentationHost.exe | - |
17d6dcfaced6873a4ac0361ff14f48313f270ac9c465e9f02b5c12b5a5274c48
|
SIGNATURE_SIGNED | UNKNOWN | VT |
| ARP.EXE | - |
7b79171410482f410b7572c58edb7fd39326f7150c7c6882249b1cf9d7c970f0
|
SIGNATURE_SIGNED | UNKNOWN | VT |
Network Artifacts
0
No network artifacts found for this incident
Process Artifacts
43
| 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_ultimate_runner...
|
cmd.exe | User |
| cmd.exe |
C:\WINDOWS\SYSTEM32\cmd.exe /c ""C:\app\cortex-xdr-siem-test\xdr_ultimate_runner...
|
cmd.exe | 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 |
| MegaGenerator.exe |
"C:\app\cortex-xdr-siem-test\xdr_tools\MegaGenerator\bin\publish\MegaGenerator.e...
|
cmd.exe | DESKTOP-FNUMV3U\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_ultimate_runner...
|
cmd.exe | User |
| UltimateXdrGenerator.exe |
"C:\app\cortex-xdr-siem-test\xdr_tools\UltimateXdrGenerator\bin\publish\Ultimate...
|
cmd.exe | DESKTOP-FNUMV3U\User |
| cmd.exe |
C:\WINDOWS\SYSTEM32\cmd.exe /c ""C:\app\cortex-xdr-siem-test\xdr_ultimate_runner...
|
cmd.exe | 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 |
| cmd.exe |
C:\WINDOWS\SYSTEM32\cmd.exe /c ""C:\app\cortex-xdr-siem-test\xdr_ultimate_runner...
|
cmd.exe | User |
| wscript.exe |
"wscript.exe" "C:\app\cortex-xdr-siem-test\xdr_hidden_runner.vbs" --once
|
wscript.exe | User |
| MegaGenerator.exe |
"C:\app\cortex-xdr-siem-test\xdr_tools\MegaGenerator\bin\publish\MegaGenerator.e...
|
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
43
Alerts
1
Hosts
32
Files
0
Network
Alert Categories
Malware
Collection
Credential Access
Execution
Timeline
01-02 09:34:26
Incident Modified
Status or details updated
01-02 09:34:26
Incident Resolved
resolved security testing
01-02 09:23:08
File Drop - 4219385159
high - Prevented (Blocked)
01-02 09:23:07
File Drop - 2775215878
high - Prevented (Blocked)
01-02 09:16:15
File Drop - 3732557733
high - Prevented (Blocked)
01-02 09:02:07
Reverse shell using PowerShell
medium - Detected
01-02 08:55:04
PowerShell runs with known Mimikatz arguments
medium - Detected
01-02 08:55:03
Suspicious Process Creation
medium - Prevented (Blocked)
01-02 08:47:01
WildFire Malware
medium - Prevented (Blocked)
01-02 08:34:03
Powershell Activity - 3990759154
high - Prevented (Blocked)
01-02 08:27:23
Credential Gathering Protection - 122198212
high - Prevented (Blocked)
01-02 08:27:21
Regsvr32 may have run code from an untrusted source
high - Detected
01-02 08:13:02
Network Connection - 1971152322
high - Prevented (Blocked)
01-02 08:06:13
Credential Vault command-line access
medium - Detected
01-02 07:59:17
PowerShell runs with known Mimikatz arguments
medium - Detected
01-02 07:59:16
Suspicious Process Creation
medium - Prevented (Blocked)
01-02 07:52:19
PowerShell runs with known Mimikatz arguments
medium - Detected
01-02 07:52:18
Suspicious Process Creation
medium - Prevented (Blocked)
01-02 07:45:15
Network Connection - 1971152322
high - Prevented (Blocked)
01-02 07:42:03
Script Engine Activity - 3247043810
high - Prevented (Blocked)
01-02 07:41:00
WildFire Malware
medium - Prevented (Blocked)
01-02 07:38:08
Command-line arguments match Mimikatz execution
high - Detected
01-02 07:38:08
PowerShell runs with known Mimikatz arguments
medium - Detected
01-02 07:38:07
Credential Gathering Protection - 510630382
high - Prevented (Blocked)
01-02 07:25:10
Protection Against Security Measures Bypass Techniques - 1952317967
high - Detected (Reported)