Trusted Design

FortiGuard Lion: A Peek into BlackMoon’s Sustained Attacks against South Korea

概要

by Roland Dela Paz | Jul 21, 2016 | A few months ago, we talked about a malicious campaign that targets South Korean users in the form of malware known as BlackMoon. BlackMoon is a banking Trojan that installs a proxy auto-config file (PAC) on an infected system in order to redirect users’ browsers to phishing pages related to South Korean banks. Back then, we noticed an open directory in the C&C that revealed over 100,000 victims. Given this impact, we decided to dig further in order to understand better the scale of this attack. Mainly, we wanted to know if the statistics displayed by the C2 were real. If so, then we are looking at a not well talked about but highly active attack against South Korean users. This post shares our findings from ten weeks of monitoring this threat.

Created: 2026-02-23

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Matched TTPs:
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Matched TTPs:
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Matched TTPs:
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Star Blizzard

Score: 7.72
Matched TTPs:
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Score: 13.68
Matched TTPs:
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CURIUM

Score: 10.37
Matched TTPs:
  • T1566.002 - Spearphishing Link
  • T1218.001 - Compiled HTML File
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Score: 13.37
Matched TTPs:
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Score: 8.87
Matched TTPs:
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  • T1001 - Data Obfuscation
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TA2541

Score: 11.02
Matched TTPs:
  • T1091 - Replication Through Removable Media
  • T1001 - Data Obfuscation
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Matched TTPs:
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  • T1140 - Deobfuscate/Decode Files or Information
  • T1001 - Data Obfuscation
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Score: 3.47
Matched TTPs:
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  • T1218.010 - Regsvr32
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Matched TTPs:
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Matched TTPs:
  • T1091 - Replication Through Removable Media
  • T1021.006 - Windows Remote Management
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Matched TTPs:
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Matched TTPs:
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Score: 14.00
Matched TTPs:
  • T1140 - Deobfuscate/Decode Files or Information
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FIN13

Score: 13.54
Matched TTPs:
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Score: 17.24
Matched TTPs:
  • T1140 - Deobfuscate/Decode Files or Information
  • T1552.003 - Shell History
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Storm-0501

Score: 3.99
Matched TTPs:
  • T1140 - Deobfuscate/Decode Files or Information
  • T1552.003 - Shell History
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Score: 7.10
Matched TTPs:
  • T1140 - Deobfuscate/Decode Files or Information
  • T1491 - Defacement
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Cinnamon Tempest

Score: 3.99
Matched TTPs:
  • T1140 - Deobfuscate/Decode Files or Information
  • T1552.003 - Shell History
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Matched TTPs:
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menuPass

Score: 6.96
Matched TTPs:
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  • T1001 - Data Obfuscation
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Matched TTPs:
  • T1140 - Deobfuscate/Decode Files or Information
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Matched TTPs:
  • T1140 - Deobfuscate/Decode Files or Information
  • T1218.001 - Compiled HTML File
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APT29

Score: 5.49
Matched TTPs:
  • T1140 - Deobfuscate/Decode Files or Information
  • T1218.010 - Regsvr32
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Leviathan

Score: 7.88
Matched TTPs:
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INC Ransom

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Matched TTPs:
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Score: 11.23
Matched TTPs:
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  • T1021.006 - Windows Remote Management
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Axiom

Score: 8.35
Matched TTPs:
  • T1140 - Deobfuscate/Decode Files or Information
  • T1049 - System Network Connections Discovery
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  • T1059.012 - Hypervisor CLI
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APT41

Score: 5.30
Matched TTPs:
  • T1140 - Deobfuscate/Decode Files or Information
  • T1218.010 - Regsvr32
  • T1548.006 - TCC Manipulation
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Score: 3.99
Matched TTPs:
  • T1140 - Deobfuscate/Decode Files or Information
  • T1552.003 - Shell History
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HAFNIUM

Score: 18.77
Matched TTPs:
  • T1140 - Deobfuscate/Decode Files or Information
  • T1059 - Command and Scripting Interpreter
  • T1049 - System Network Connections Discovery
  • T1105 - Ingress Tool Transfer
  • T1548.006 - TCC Manipulation
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APT38

Score: 8.67
Matched TTPs:
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Score: 5.63
Matched TTPs:
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  • T1548.006 - TCC Manipulation
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Score: 10.32
Matched TTPs:
  • T1193 - Spearphishing Attachment
  • T1619 - Cloud Storage Object Discovery
  • T1548.006 - TCC Manipulation
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PROMETHIUM

Score: 5.90
Matched TTPs:
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Score: 5.39
Matched TTPs:
  • T1218.001 - Compiled HTML File
  • T1059.012 - Hypervisor CLI
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Score: 3.15
Matched TTPs:
  • T1001 - Data Obfuscation
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Andariel

Score: 7.10
Matched TTPs:
  • T1187 - Forced Authentication
  • T1218.010 - Regsvr32
  • T1059.012 - Hypervisor CLI
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Lazarus Group

Score: 16.20
Matched TTPs:
  • T1218.010 - Regsvr32
  • T1059.012 - Hypervisor CLI
  • T1055.005 - Thread Local Storage
  • T1105 - Ingress Tool Transfer
  • T1547.008 - LSASS Driver
  • T1216 - System Script Proxy Execution
MITREへのリンク →

Higaisa

Score: 4.65
Matched TTPs:
  • T1218.010 - Regsvr32
  • T1546.017 - Udev Rules
MITREへのリンク →

Cobalt Group

Score: 4.24
Matched TTPs:
  • T1218.010 - Regsvr32
  • T1128 - Netsh Helper DLL
MITREへのリンク →

APT37

Score: 6.88
Matched TTPs:
  • T1218.010 - Regsvr32
  • T1059.012 - Hypervisor CLI
  • T1216 - System Script Proxy Execution
MITREへのリンク →

BRONZE BUTLER

Score: 3.26
Matched TTPs:
  • T1218.010 - Regsvr32
  • T1059.012 - Hypervisor CLI
MITREへのリンク →

Transparent Tribe

Score: 5.92
Matched TTPs:
  • T1218.010 - Regsvr32
  • T1059.012 - Hypervisor CLI
  • T1105 - Ingress Tool Transfer
MITREへのリンク →

Tropic Trooper

Score: 6.91
Matched TTPs:
  • T1218.010 - Regsvr32
  • T1128 - Netsh Helper DLL
  • T1105 - Ingress Tool Transfer
MITREへのリンク →

Elderwood

Score: 3.26
Matched TTPs:
  • T1218.010 - Regsvr32
  • T1059.012 - Hypervisor CLI
MITREへのリンク →

Darkhotel

Score: 3.26
Matched TTPs:
  • T1218.010 - Regsvr32
  • T1059.012 - Hypervisor CLI
MITREへのリンク →

RedCurl

Score: 5.41
Matched TTPs:
  • T1128 - Netsh Helper DLL
  • T1105 - Ingress Tool Transfer
MITREへのリンク →

FIN6

Score: 7.61
Matched TTPs:
  • T1128 - Netsh Helper DLL
  • T1548.006 - TCC Manipulation
  • T1547.008 - LSASS Driver
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PLATINUM

Score: 6.30
Matched TTPs:
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  • T1686 - Disable or Modify System Firewall
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Windshift

Score: 4.29
Matched TTPs:
  • T1059.012 - Hypervisor CLI
  • T1547.008 - LSASS Driver
MITREへのリンク →

Dark Caracal

Score: 4.29
Matched TTPs:
  • T1059.012 - Hypervisor CLI
  • T1547.008 - LSASS Driver
MITREへのリンク →

Equation

Score: 4.13
Matched TTPs:
  • T1130 - Install Root Certificate
MITREへのリンク →

Strider

Score: 4.13
Matched TTPs:
  • T1130 - Install Root Certificate
MITREへのリンク →

Molerats

Score: 3.15
Matched TTPs:
  • T1546.017 - Udev Rules
MITREへのリンク →

Mofang

Score: 3.15
Matched TTPs:
  • T1546.017 - Udev Rules
MITREへのリンク →

このPulseに関連する脅威アクター (推論ベース)

APT28

Score: 0.85
Matched TTPs:
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  • T1566.002 - Spearphishing Link
  • T1197 - BITS Jobs
  • T1105 - Ingress Tool Transfer
  • T1146 - Clear Command History
  • T1059.012 - Hypervisor CLI
  • T1548.006 - TCC Manipulation
  • T1140 - Deobfuscate/Decode Files or Information
MITREへのリンク →

Sandworm Team

Score: 0.85
Matched TTPs:
  • T1187 - Forced Authentication
  • T1218.010 - Regsvr32
  • T1566.002 - Spearphishing Link
  • T1193 - Spearphishing Attachment
  • T1102.003 - One-Way Communication
  • T1548.006 - TCC Manipulation
  • T1091 - Replication Through Removable Media
  • T1140 - Deobfuscate/Decode Files or Information
  • T1049 - System Network Connections Discovery
MITREへのリンク →

Scattered Spider

Score: 0.78
Matched TTPs:
  • T1566.002 - Spearphishing Link
  • T1491 - Defacement
  • T1197 - BITS Jobs
  • T1619 - Cloud Storage Object Discovery
  • T1548.006 - TCC Manipulation
  • T1552.003 - Shell History
  • T1027.002 - Software Packing
MITREへのリンク →

Kimsuky

Score: 0.68
Matched TTPs:
  • T1566.002 - Spearphishing Link
  • T1102.003 - One-Way Communication
  • T1197 - BITS Jobs
  • T1001 - Data Obfuscation
  • T1091 - Replication Through Removable Media
  • T1140 - Deobfuscate/Decode Files or Information
  • T1552.003 - Shell History
MITREへのリンク →

Mustang Panda

Score: 0.68
Matched TTPs:
  • T1218.010 - Regsvr32
  • T1566.002 - Spearphishing Link
  • T1102.003 - One-Way Communication
  • T1105 - Ingress Tool Transfer
  • T1548.006 - TCC Manipulation
  • T1055.005 - Thread Local Storage
  • T1091 - Replication Through Removable Media
MITREへのリンク →

HAFNIUM

Score: 0.66
Matched TTPs:
  • T1059 - Command and Scripting Interpreter
  • T1055.008 - Ptrace System Calls
  • T1105 - Ingress Tool Transfer
  • T1548.006 - TCC Manipulation
  • T1140 - Deobfuscate/Decode Files or Information
  • T1049 - System Network Connections Discovery
MITREへのリンク →

Medusa Group

Score: 0.63
Matched TTPs:
  • T1128 - Netsh Helper DLL
  • T1216 - System Script Proxy Execution
  • T1094 - Custom Command and Control Protocol
  • T1548.006 - TCC Manipulation
  • T1140 - Deobfuscate/Decode Files or Information
  • T1552.003 - Shell History
MITREへのリンク →

Lazarus Group

Score: 0.62
Matched TTPs:
  • T1218.010 - Regsvr32
  • T1547.008 - LSASS Driver
  • T1105 - Ingress Tool Transfer
  • T1216 - System Script Proxy Execution
  • T1059.012 - Hypervisor CLI
  • T1055.005 - Thread Local Storage
MITREへのリンク →

Contagious Interview

Score: 0.55
Matched TTPs:
  • T1021.006 - Windows Remote Management
  • T1102.003 - One-Way Communication
  • T1547.008 - LSASS Driver
  • T1091 - Replication Through Removable Media
  • T1552.003 - Shell History
MITREへのリンク →

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