Kill Chain & Diamond Model Analysis

Map a threat actor or campaign across the Cyber Kill Chain and Diamond Model of Intrusion.

Saved analyses

UAT-8099 (threat actor)

Risk

Critical

21 techniques 47 tools/malware 2 vulnerabilities 40 IOCs 5/7 stages covered Deepest: Actions on Objectives

1 Reconnaissance

No data

›

2 Weaponization

No data

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3 Delivery

T1189

Drive-by Compromise initial access

›

4 Exploitation

T1059.001

PowerShell execution

T1059.003

Windows Command Shell execution

T1548

Abuse Elevation Control Mechanism privilege escalation

CVE CVE-2026-21509

CVE CVE-2026-50522

›

5 Installation

T1003

OS Credential Dumping credential access

T1003.003

NTDS credential access

T1528

Steal Application Access Token credential access

T1649

Steal or Forge Authentication Certificates credential access

T1007

System Service Discovery discovery

T1033

System Owner/User Discovery discovery

T1049

System Network Connections Discovery discovery

T1057

Process Discovery discovery

T1083

File and Directory Discovery discovery

T1098

Account Manipulation persistence

T1133

External Remote Services persistence

T1136.001

Local Account persistence

›

6 Command & Control

T1005

Data from Local System collection

T1560

Archive Collected Data collection

T1071.001

Web Protocols command and control

›

7 Actions on Objectives

T1041

Exfiltration Over C2 Channel exfiltration

T1496

Resource Hijacking impact

Stage risk: Critical High Medium None

Tools & Malware (47)

ASP.NET Web Backdoor BadIIS Badiis Beacon C2 infrastructure ClickFix Cobalt Cobalt Strike Cobalt Strike BEACON Crisis DynoWiper EasyTier FRP (Fast Reverse Proxy) GitHub Global GoToHTTP GotoHTTP Havex RAT Leverage LockBit Malicious files MySQL Payload Payload Persistence mechanisms PowerShell PowerShell commands Rootkit Rundll32 SoftEther VPN Spear-phishing Spear-phishing emails Tasklist Trojan Unknown VBScript VPN Tools WarmCookie Web Shell Web Shells WhatsApp Winrar YARA phishing procdump rundll32.exe whoami

Indicators of Compromise (40)

Domain

handler.Figure index.php Horizon3.ai google.css tz123.app 256CbsMsgApi.dllServiceDLL crawlers.While account.Figure +8 more

Filename

TH.zip VN.zip fasthttp.dll cgihttp.dll uninstall.bat iis32.dll iis64.dll cmd.exe +16 more

ATT&CK Tactic Coverage

Reconnaissance Resource Development Initial Access Execution Persistence Privilege Escalation Defense Evasion Credential Access Discovery Lateral Movement Collection Command & Control Exfiltration Impact

Recommended Mitigations

27 MITRE ATT&CK mitigations cover detected techniques

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Delivery (5)

M1017 User Training M1021 Restrict Web-Based Content M1048 Application Isolation and Sandboxing M1050 Exploit Protection M1051 Update Software

Exploitation (11)

M1018 User Account Management M1022 Restrict File and Directory Permissions M1026 Privileged Account Management M1028 Operating System Configuration M1038 Execution Prevention +6 more

Installation (17)

M1015 Active Directory Configuration M1017 User Training M1018 User Account Management M1021 Restrict Web-Based Content M1022 Restrict File and Directory Permissions +12 more

Command & Control (4)

M1031 Network Intrusion Prevention M1037 Filter Network Traffic M1047 Audit M1057 Data Loss Prevention

Actions on Objectives (2)

M1031 Network Intrusion Prevention M1057 Data Loss Prevention

Detection Coverage

21 strategies

5/7 stages covered

Delivery (1)

DET0176 Drive-by Compromise — Behavior-based, Mu...

Exploitation (3)

DET0202 Behavioral Detection of Windows Command... DET0345 Detection Strategy for Abuse Elevation C... DET0455 Abuse of PowerShell for Arbitrary Execut...

Installation (12)

DET0034 Detection of Adversarial Process Discove... DET0093 Behavioral Detection of User Discovery v... DET0096 Account Manipulation Behavior Chain Dete... DET0234 Credential Dumping via Sensitive Memory... DET0240 Detection Strategy for Steal or Forge Au... +7 more

Command & Control (3)

DET0027 Detection of Web Protocol-Based C2 Over... DET0380 Detection of Local Data Collection Prior... DET0526 Detect Archiving and Encryption of Colle...

Actions on Objectives (2)

DET0267 Resource Hijacking Detection Strategy DET0348 Detection Strategy for Exfiltration Over...

Diamond Model of Intrusion

Adversary · Capability · Infrastructure · Victim

Completeness

4/4

Adversary

Confidence

60%

UAT-8099

Type: Unknown Active

tracked as Gopher Strike Sheet Attack

Infrastructure 16 IOC(s)

50%

Domain

handler.Figure index.php Horizon3.ai google.css tz123.app +11

Artifacts (24)

TH.zip VN.zip fasthttp.dll cgihttp.dll uninstall.bat iis32.dll +18

Capability

50%

21 technique(s) 47 tool(s)/malware 2 CVE(s)

ASP.NET Web Backdoor BadIIS Badiis Beacon C2 infrastructure ClickFix Cobalt Cobalt Strike +39

collection

T1005 T1560

command and control

T1071.001

credential access

T1003 T1003.003 T1528 T1649

discovery

T1007 T1033 T1049 T1057 +1

Victim

70%

Targeted Sectors

financial-services education telecommunications government defense information-technology retail manufacturing gaming healthcare media energy

Targeted Countries

VN CN IN BR JP KR PK CA US AU PL GB

Diamond Model Meta-Features

Phase

Actions on Objectives

Result

Active

Direction

Adversary → Infrastructure → Victim

Methodology

Unknown

Adversary → Capability

Adversary → Infrastructure

Capability → Victim

Infrastructure → Victim

Diamond Model edges

Activity Threads Kill chain phase → Diamond Model event mapping

3 Delivery

Capability (Techniques)

T1189

Capability (Malware)

ASP.NET Web Backdoor BadIIS Badiis

Infrastructure

handler.Figure index.php Horizon3.ai

4 Exploitation

Capability (Techniques)

T1059.001 T1059.003 T1548

Capability (Malware)

ASP.NET Web Backdoor BadIIS Badiis

Infrastructure

handler.Figure index.php Horizon3.ai

5 Installation

Capability (Techniques)

T1003 T1003.003 T1528 T1649 T1007

Capability (Malware)

ASP.NET Web Backdoor BadIIS Badiis

Infrastructure

handler.Figure index.php Horizon3.ai

6 Command & Control

Capability (Techniques)

T1005 T1560 T1071.001

Capability (Malware)

ASP.NET Web Backdoor BadIIS Badiis

Infrastructure

handler.Figure index.php Horizon3.ai

7 Actions on Objectives

Capability (Techniques)

T1041 T1496

Capability (Malware)

ASP.NET Web Backdoor BadIIS Badiis

Infrastructure

handler.Figure index.php Horizon3.ai