HIGH 'Ransomware Activity - 426137677' along with 4 other issues

RESOLVED SECURITY TESTING ID: #1221 | Created: 2026-01-10 16:10:12
XDR Console
5
Alerts
1
Hosts
17
Files
0
Network
Incident Overview

'Ransomware Activity - 426137677' along with 4 other issues generated by XDR Agent detected on host dwshin involving user dwshin

5
2026-01-10 16:39
Unassigned
XDR Agent
Malware
Affected Hosts & Users
dwshin
MITRE ATT&CK Mapping
TA0040 - Impact TA0002 - Execution TA0005 - Defense Evasion TA0011 - Command and Control TA0004 - Privilege Escalation
T1059 - Command and Scripting Interpreter T1495 - Firmware Corruption T1657 - Financial Theft T1140 - Deobfuscate/Decode Files or Information T1059.001 - Command and Scripting Interpreter: PowerShell T1486 - Data Encrypted for Impact T1102.002 - Web Service: Bidirectional Communication
File Artifacts 17
File Name Path SHA256 Signature Verdict Actions
cmd.exe - 64afc6db3aad1289533662e2d79e27dd55c7dcdb8cd918b08e145ad82ad5acb4 SIGNATURE_SIGNED UNKNOWN VT
UltimateXdrGenerator.exe - 64affb2786b4cf64498dd4ddccee413981902611a07d1b38045ec03fa1397504 SIGNATURE_UNAVAILABLE UNKNOWN VT
rundll32.exe - 4193f529bff2729769d82cb83ee206d2af16c59208d6dc5cd8b54cd9c6703a11 SIGNATURE_SIGNED UNKNOWN VT
conhost.exe - 6651a3beb0df1e66363a950c37dc9305f185d161fb03761e172ccfa0a4ab4f89 SIGNATURE_SIGNED UNKNOWN VT
powershell.exe - 0ff6f2c94bc7e2833a5f7e16de1622e5dba70396f31c7d5f56381870317e8c46 SIGNATURE_SIGNED UNKNOWN VT
certutil.exe - 5ee9dc956e9f67f33f2ca0776d7dce4bc0b6bf2cf5005bf2644f0b36accceaf4 SIGNATURE_SIGNED UNKNOWN VT
calc.exe - 81bd48985fa1753e9e2158a7cf969141edddbd050e976801bb477e24a2a06b2a SIGNATURE_SIGNED UNKNOWN VT
Notepad.exe - 3d5b56ec5cbe064e10b9525ef74359a4e6b83a9c3341f5fbaac629bce80b6817 SIGNATURE_SIGNED UNKNOWN VT
chcp.com - 8d75e783f327f899a42927fc2927f0e3d1ec62c4ca1dc88de04dd67de9ae555d SIGNATURE_SIGNED UNKNOWN VT
schtasks.exe - b96af3066f0b9de8a460f77baae006c5372a266be18c561daa7c7ae8635d399d SIGNATURE_SIGNED UNKNOWN VT
reg.exe - ef37663b44ac66920c6f33694deea01acb78ae3f3012884819373fa04c3eb5f0 SIGNATURE_SIGNED UNKNOWN VT
nltest.exe - 30a57ee3e29e7e7bbbd3504d1c285cea1115ec7d1d770e990d9fbf15bc7b5525 SIGNATURE_SIGNED UNKNOWN VT
nbtstat.exe - 4b5abcd833a8550ba0e77b55b56d37f6c04ac8213e1344b179e380b1fb289fa6 SIGNATURE_SIGNED UNKNOWN VT
cmstp.exe - 6069d2ac168e49a4283c57193e1bf158df4040e66ea634afac4339a1ee7ec557 SIGNATURE_SIGNED UNKNOWN VT
tasklist.exe - 62800679c55682f2f5f38b3df9080d12480bea78b5b8476eace9df014f353b14 SIGNATURE_SIGNED UNKNOWN VT
ipconfig.exe - ac7966280133df541509eb0676e4b2f994bac65e960c79415ccf9f12e17dac5c SIGNATURE_SIGNED UNKNOWN VT
net.exe - bb3e638c8b5b6ef80847e364aeef2796cad25d3539cf9b41d3820fa48943e777 SIGNATURE_SIGNED UNKNOWN VT
Network Artifacts 0
No network artifacts found for this incident
Process Artifacts 5
Process Command Line Parent Process User
cmd.exe C:\Windows\SYSTEM32\cmd.exe /c ""C:\cortex-xdr-siem-test\xdr_ultimate_runner.bat... - dwshin
cmd.exe C:\Windows\SYSTEM32\cmd.exe /c ""C:\cortex-xdr-siem-test\xdr_ultimate_runner.bat... - dwshin
cmd.exe C:\Windows\SYSTEM32\cmd.exe /c ""C:\cortex-xdr-siem-test\xdr_ultimate_runner.bat... - dwshin
cmd.exe C:\Windows\SYSTEM32\cmd.exe /c ""C:\cortex-xdr-siem-test\xdr_ultimate_runner.bat... - dwshin
UltimateXdrGenerator.exe "C:\cortex-xdr-siem-test\xdr_tools\UltimateXdrGenerator\bin\publish\UltimateXdrG... - dwshin
Registry Artifacts 0
No registry artifacts found for this incident
Analyst Verdict
HIGH
Auto resolved by XdrTestManager (alerts: 5)
  • Isolate affected endpoints
  • Investigate all related alerts
  • Document findings
Summary
5
Alerts
1
Hosts
17
Files
0
Network
Alert Categories
Malware
Timeline
01-10 16:39:41
Incident Modified
Status or details updated
01-10 16:39:41
Incident Resolved
resolved security testing
01-10 16:38:04
File Drop - 1815185192
high - Prevented (Blocked)
01-10 16:38:03
File Drop - 3732557733
high - Prevented (Blocked)
01-10 16:31:13
Protection Against Security Measures Bypass Techniques - 1940197314
high - Prevented (Blocked)
01-10 16:24:20
Ransomware Activity - 426137677
high - Detected (Reported)
01-10 16:10:12
Incident Created
#1221 - 'Ransomware Activity - 426137677' along with 4 other issues
01-10 16:10:12
cmd.exe
Verdict: Unknown
01-10 16:10:12
UltimateXdrGenerator.exe
Verdict: Unknown
01-10 16:10:12
rundll32.exe
Verdict: Unknown
01-10 16:10:12
conhost.exe
Verdict: Unknown
01-10 16:10:12
powershell.exe
Verdict: Unknown
01-10 16:10:12
certutil.exe
Verdict: Unknown
01-10 16:10:12
calc.exe
Verdict: Unknown
01-10 16:10:12
Notepad.exe
Verdict: Unknown
01-10 16:10:12
chcp.com
Verdict: Unknown
01-10 16:10:12
schtasks.exe
Verdict: Unknown
01-10 16:10:06
Suspicious Process Creation
medium - Prevented (Blocked)