Trusted Design

August in December: New Information Stealer Hits the Scene

概要

During the month of November, Proofpoint observed multiple campaigns from TA530 - an actor we have previously referred to as the "personalized actor" for their highly personalized campaigns[6] - targeting customer service and managerial staff at retailers. These campaigns utilized “fileless” loading of a relatively new malware called August through the use of Word macros and PowerShell. August contains stealing functionality targeting credentials and sensitive documents from the infected computer.

Created: 2026-02-23

Indicators

類似Pulses

このPulseに関連する脅威アクター (事実ベース)

APT32

Score: 17.98
Matched TTPs:
  • T1027.011 - Fileless Storage
  • T1598.003 - Spearphishing Link
  • T1608.001 - Upload Malware
  • T1583.006 - Web Services
  • T1588.002 - Tool
  • T1203 - Exploitation for Client Execution
  • T1569.002 - Service Execution
  • T1078.003 - Local Accounts
MITREへのリンク →

Turla

Score: 17.84
Matched TTPs:
  • T1027.011 - Fileless Storage
  • T1587.001 - Malware
  • T1588.001 - Malware
  • T1583.006 - Web Services
  • T1588.002 - Tool
  • T1555.004 - Windows Credential Manager
  • T1078.003 - Local Accounts
MITREへのリンク →

Volt Typhoon

Score: 4.47
Matched TTPs:
  • T1584.008 - Network Devices
  • T1588.002 - Tool
MITREへのリンク →

APT28

Score: 13.59
Matched TTPs:
  • T1584.008 - Network Devices
  • T1598.003 - Spearphishing Link
  • T1583.006 - Web Services
  • T1588.002 - Tool
  • T1203 - Exploitation for Client Execution
  • T1221 - Template Injection
MITREへのリンク →

ZIRCONIUM

Score: 8.09
Matched TTPs:
  • T1584.008 - Network Devices
  • T1598.003 - Spearphishing Link
  • T1583.006 - Web Services
MITREへのリンク →

Leviathan

Score: 8.27
Matched TTPs:
  • T1584.008 - Network Devices
  • T1203 - Exploitation for Client Execution
  • T1027.015 - Compression
MITREへのリンク →

Mustard Tempest

Score: 6.51
Matched TTPs:
  • T1583.008 - Malvertising
  • T1608.001 - Upload Malware
MITREへのリンク →

Ember Bear

Score: 14.86
Matched TTPs:
  • T1114 - Email Collection
  • T1195 - Supply Chain Compromise
  • T1588.001 - Malware
  • T1203 - Exploitation for Client Execution
  • T1585 - Establish Accounts
MITREへのリンク →

Silent Librarian

Score: 6.93
Matched TTPs:
  • T1114 - Email Collection
  • T1598.003 - Spearphishing Link
  • T1588.002 - Tool
MITREへのリンク →

Magic Hound

Score: 15.09
Matched TTPs:
  • T1114 - Email Collection
  • T1598.003 - Spearphishing Link
  • T1583.006 - Web Services
  • T1588.002 - Tool
  • T1036.010 - Masquerade Account Name
  • T1566.003 - Spearphishing via Service
MITREへのリンク →

Scattered Spider

Score: 11.91
Matched TTPs:
  • T1114 - Email Collection
  • T1598.003 - Spearphishing Link
  • T1588.001 - Malware
  • T1657 - Financial Theft
  • T1588.002 - Tool
MITREへのリンク →

Kimsuky

Score: 24.45
Matched TTPs:
  • T1587.001 - Malware
  • T1598.003 - Spearphishing Link
  • T1608.001 - Upload Malware
  • T1657 - Financial Theft
  • T1583.006 - Web Services
  • T1588.002 - Tool
  • T1585 - Establish Accounts
  • T1588.003 - Code Signing Certificates
  • T1102.001 - Dead Drop Resolver
  • T1078.003 - Local Accounts
MITREへのリンク →

FIN13

Score: 5.47
Matched TTPs:
  • T1587.001 - Malware
  • T1657 - Financial Theft
  • T1588.002 - Tool
MITREへのリンク →

Moonstone Sleet

Score: 11.45
Matched TTPs:
  • T1587.001 - Malware
  • T1598.003 - Spearphishing Link
  • T1608.001 - Upload Malware
  • T1569.002 - Service Execution
  • T1566.003 - Spearphishing via Service
MITREへのリンク →

Lazarus Group

Score: 17.64
Matched TTPs:
  • T1587.001 - Malware
  • T1583.006 - Web Services
  • T1588.002 - Tool
  • T1574.013 - KernelCallbackTable
  • T1203 - Exploitation for Client Execution
  • T1027.007 - Dynamic API Resolution
  • T1566.003 - Spearphishing via Service
MITREへのリンク →

Contagious Interview

Score: 24.09
Matched TTPs:
  • T1587.001 - Malware
  • T1608.001 - Upload Malware
  • T1681 - Search Threat Vendor Data
  • T1657 - Financial Theft
  • T1583.006 - Web Services
  • T1588.002 - Tool
  • T1585 - Establish Accounts
  • T1204.004 - Malicious Copy and Paste
  • T1566.003 - Spearphishing via Service
MITREへのリンク →

OilRig

Score: 19.55
Matched TTPs:
  • T1587.001 - Malware
  • T1608.001 - Upload Malware
  • T1195 - Supply Chain Compromise
  • T1588.002 - Tool
  • T1203 - Exploitation for Client Execution
  • T1555.004 - Windows Credential Manager
  • T1588.003 - Code Signing Certificates
  • T1566.003 - Spearphishing via Service
MITREへのリンク →

UNC3886

Score: 10.18
Matched TTPs:
  • T1587.001 - Malware
  • T1681 - Search Threat Vendor Data
  • T1588.001 - Malware
  • T1203 - Exploitation for Client Execution
MITREへのリンク →

LuminousMoth

Score: 7.38
Matched TTPs:
  • T1587.001 - Malware
  • T1608.001 - Upload Malware
  • T1588.001 - Malware
  • T1588.002 - Tool
MITREへのリンク →

Sandworm Team

Score: 12.71
Matched TTPs:
  • T1587.001 - Malware
  • T1598.003 - Spearphishing Link
  • T1608.001 - Upload Malware
  • T1195 - Supply Chain Compromise
  • T1588.002 - Tool
  • T1203 - Exploitation for Client Execution
MITREへのリンク →

APT29

Score: 11.64
Matched TTPs:
  • T1587.001 - Malware
  • T1583.006 - Web Services
  • T1588.002 - Tool
  • T1203 - Exploitation for Client Execution
  • T1566.003 - Spearphishing via Service
  • T1078.003 - Local Accounts
MITREへのリンク →

Play

Score: 8.13
Matched TTPs:
  • T1587.001 - Malware
  • T1657 - Financial Theft
  • T1588.002 - Tool
  • T1078.003 - Local Accounts
MITREへのリンク →

Aoqin Dragon

Score: 4.44
Matched TTPs:
  • T1587.001 - Malware
  • T1588.002 - Tool
  • T1203 - Exploitation for Client Execution
MITREへのリンク →

Ke3chang

Score: 5.34
Matched TTPs:
  • T1587.001 - Malware
  • T1588.002 - Tool
  • T1569.002 - Service Execution
MITREへのリンク →

Mustang Panda

Score: 22.70
Matched TTPs:
  • T1587.001 - Malware
  • T1598.003 - Spearphishing Link
  • T1608.001 - Upload Malware
  • T1608 - Stage Capabilities
  • T1583.006 - Web Services
  • T1588.002 - Tool
  • T1203 - Exploitation for Client Execution
  • T1588.003 - Code Signing Certificates
  • T1027.007 - Dynamic API Resolution
MITREへのリンク →

TeamTNT

Score: 4.07
Matched TTPs:
  • T1587.001 - Malware
  • T1608.001 - Upload Malware
MITREへのリンク →

FIN7

Score: 16.53
Matched TTPs:
  • T1587.001 - Malware
  • T1608.001 - Upload Malware
  • T1674 - Input Injection
  • T1583.006 - Web Services
  • T1588.002 - Tool
  • T1569.002 - Service Execution
  • T1078.003 - Local Accounts
MITREへのリンク →

Sidewinder

Score: 3.95
Matched TTPs:
  • T1598.003 - Spearphishing Link
  • T1203 - Exploitation for Client Execution
MITREへのリンク →

Star Blizzard

Score: 5.28
Matched TTPs:
  • T1598.003 - Spearphishing Link
  • T1608.001 - Upload Malware
  • T1588.002 - Tool
MITREへのリンク →

CURIUM

Score: 4.98
Matched TTPs:
  • T1598.003 - Spearphishing Link
  • T1566.003 - Spearphishing via Service
MITREへのリンク →

Dragonfly

Score: 11.57
Matched TTPs:
  • T1598.003 - Spearphishing Link
  • T1588.002 - Tool
  • T1203 - Exploitation for Client Execution
  • T1036.010 - Masquerade Account Name
  • T1221 - Template Injection
MITREへのリンク →

Patchwork

Score: 8.09
Matched TTPs:
  • T1598.003 - Spearphishing Link
  • T1588.002 - Tool
  • T1203 - Exploitation for Client Execution
  • T1102.001 - Dead Drop Resolver
MITREへのリンク →

TA2541

Score: 10.44
Matched TTPs:
  • T1608.001 - Upload Malware
  • T1588.001 - Malware
  • T1583.006 - Web Services
  • T1588.002 - Tool
  • T1027.015 - Compression
MITREへのリンク →

Earth Lusca

Score: 7.29
Matched TTPs:
  • T1608.001 - Upload Malware
  • T1588.001 - Malware
  • T1583.006 - Web Services
  • T1588.002 - Tool
MITREへのリンク →

LazyScripter

Score: 6.44
Matched TTPs:
  • T1608.001 - Upload Malware
  • T1588.001 - Malware
  • T1583.006 - Web Services
MITREへのリンク →

Gamaredon Group

Score: 11.14
Matched TTPs:
  • T1608.001 - Upload Malware
  • T1583.006 - Web Services
  • T1588.002 - Tool
  • T1221 - Template Injection
  • T1027.015 - Compression
MITREへのリンク →

Threat Group-3390

Score: 10.62
Matched TTPs:
  • T1608.001 - Upload Malware
  • T1588.002 - Tool
  • T1203 - Exploitation for Client Execution
  • T1588.003 - Code Signing Certificates
  • T1027.015 - Compression
MITREへのリンク →

TA505

Score: 5.28
Matched TTPs:
  • T1608.001 - Upload Malware
  • T1588.001 - Malware
  • T1588.002 - Tool
MITREへのリンク →

BlackByte

Score: 4.37
Matched TTPs:
  • T1608.001 - Upload Malware
  • T1569.002 - Service Execution
MITREへのリンク →

BITTER

Score: 4.32
Matched TTPs:
  • T1608.001 - Upload Malware
  • T1588.002 - Tool
  • T1203 - Exploitation for Client Execution
MITREへのリンク →

Saint Bear

Score: 5.48
Matched TTPs:
  • T1608.001 - Upload Malware
  • T1583.006 - Web Services
  • T1203 - Exploitation for Client Execution
MITREへのリンク →

EXOTIC LILY

Score: 5.99
Matched TTPs:
  • T1608.001 - Upload Malware
  • T1203 - Exploitation for Client Execution
  • T1566.003 - Spearphishing via Service
MITREへのリンク →

LAPSUS$

Score: 3.31
Matched TTPs:
  • T1588.001 - Malware
  • T1588.002 - Tool
MITREへのリンク →

Metador

Score: 3.31
Matched TTPs:
  • T1588.001 - Malware
  • T1588.002 - Tool
MITREへのリンク →

APT1

Score: 3.31
Matched TTPs:
  • T1588.001 - Malware
  • T1588.002 - Tool
MITREへのリンク →

Aquatic Panda

Score: 3.31
Matched TTPs:
  • T1588.001 - Malware
  • T1588.002 - Tool
MITREへのリンク →

Andariel

Score: 3.95
Matched TTPs:
  • T1588.001 - Malware
  • T1203 - Exploitation for Client Execution
MITREへのリンク →

BackdoorDiplomacy

Score: 3.31
Matched TTPs:
  • T1588.001 - Malware
  • T1588.002 - Tool
MITREへのリンク →

INC Ransom

Score: 5.77
Matched TTPs:
  • T1657 - Financial Theft
  • T1588.002 - Tool
  • T1569.002 - Service Execution
MITREへのリンク →

Cinnamon Tempest

Score: 3.37
Matched TTPs:
  • T1657 - Financial Theft
  • T1588.002 - Tool
MITREへのリンク →

Medusa Group

Score: 7.78
Matched TTPs:
  • T1657 - Financial Theft
  • T1583.006 - Web Services
  • T1588.002 - Tool
  • T1569.002 - Service Execution
MITREへのリンク →

HAFNIUM

Score: 4.68
Matched TTPs:
  • T1583.006 - Web Services
  • T1078.003 - Local Accounts
MITREへのリンク →

APT17

Score: 5.45
Matched TTPs:
  • T1583.006 - Web Services
  • T1585 - Establish Accounts
MITREへのリンク →

MuddyWater

Score: 4.35
Matched TTPs:
  • T1583.006 - Web Services
  • T1588.002 - Tool
  • T1203 - Exploitation for Client Execution
MITREへのリンク →

Confucius

Score: 6.66
Matched TTPs:
  • T1583.006 - Web Services
  • T1203 - Exploitation for Client Execution
  • T1221 - Template Injection
MITREへのリンク →

Inception

Score: 5.49
Matched TTPs:
  • T1588.002 - Tool
  • T1203 - Exploitation for Client Execution
  • T1221 - Template Injection
MITREへのリンク →

BlackTech

Score: 5.49
Matched TTPs:
  • T1588.002 - Tool
  • T1203 - Exploitation for Client Execution
  • T1588.003 - Code Signing Certificates
MITREへのリンク →

Wizard Spider

Score: 10.02
Matched TTPs:
  • T1588.002 - Tool
  • T1555.004 - Windows Credential Manager
  • T1588.003 - Code Signing Certificates
  • T1569.002 - Service Execution
MITREへのリンク →

Storm-1811

Score: 6.99
Matched TTPs:
  • T1588.002 - Tool
  • T1036.010 - Masquerade Account Name
  • T1566.003 - Spearphishing via Service
MITREへのリンク →

BRONZE BUTLER

Score: 5.63
Matched TTPs:
  • T1588.002 - Tool
  • T1203 - Exploitation for Client Execution
  • T1102.001 - Dead Drop Resolver
MITREへのリンク →

APT41

Score: 8.03
Matched TTPs:
  • T1588.002 - Tool
  • T1203 - Exploitation for Client Execution
  • T1569.002 - Service Execution
  • T1102.001 - Dead Drop Resolver
MITREへのリンク →

FIN8

Score: 4.00
Matched TTPs:
  • T1588.002 - Tool
  • T1588.003 - Code Signing Certificates
MITREへのリンク →

APT39

Score: 3.25
Matched TTPs:
  • T1588.002 - Tool
  • T1569.002 - Service Execution
MITREへのリンク →

FIN6

Score: 5.77
Matched TTPs:
  • T1588.002 - Tool
  • T1569.002 - Service Execution
  • T1566.003 - Spearphishing via Service
MITREへのリンク →

Sea Turtle

Score: 5.01
Matched TTPs:
  • T1588.002 - Tool
  • T1203 - Exploitation for Client Execution
  • T1078.003 - Local Accounts
MITREへのリンク →

FIN10

Score: 3.52
Matched TTPs:
  • T1588.002 - Tool
  • T1078.003 - Local Accounts
MITREへのリンク →

APT38

Score: 3.25
Matched TTPs:
  • T1588.002 - Tool
  • T1569.002 - Service Execution
MITREへのリンク →

Silence

Score: 3.25
Matched TTPs:
  • T1588.002 - Tool
  • T1569.002 - Service Execution
MITREへのリンク →

Chimera

Score: 3.25
Matched TTPs:
  • T1588.002 - Tool
  • T1569.002 - Service Execution
MITREへのリンク →

Blue Mockingbird

Score: 3.25
Matched TTPs:
  • T1588.002 - Tool
  • T1569.002 - Service Execution
MITREへのリンク →

DarkHydrus

Score: 4.00
Matched TTPs:
  • T1588.002 - Tool
  • T1221 - Template Injection
MITREへのリンク →

Higaisa

Score: 4.65
Matched TTPs:
  • T1203 - Exploitation for Client Execution
  • T1027.015 - Compression
MITREへのリンク →

APT3

Score: 5.12
Matched TTPs:
  • T1203 - Exploitation for Client Execution
  • T1036.010 - Masquerade Account Name
MITREへのリンク →

Tropic Trooper

Score: 7.31
Matched TTPs:
  • T1203 - Exploitation for Client Execution
  • T1221 - Template Injection
  • T1078.003 - Local Accounts
MITREへのリンク →

Fox Kitten

Score: 3.44
Matched TTPs:
  • T1585 - Establish Accounts
MITREへのリンク →

Stealth Falcon

Score: 3.62
Matched TTPs:
  • T1555.004 - Windows Credential Manager
MITREへのリンク →

Equation

Score: 4.13
Matched TTPs:
  • T1564.005 - Hidden File System
MITREへのリンク →

Strider

Score: 4.13
Matched TTPs:
  • T1564.005 - Hidden File System
MITREへのリンク →

Velvet Ant

Score: 5.06
Matched TTPs:
  • T1569.002 - Service Execution
  • T1078.003 - Local Accounts
MITREへのリンク →

Rocke

Score: 3.29
Matched TTPs:
  • T1102.001 - Dead Drop Resolver
MITREへのリンク →

RTM

Score: 3.29
Matched TTPs:
  • T1102.001 - Dead Drop Resolver
MITREへのリンク →

Molerats

Score: 3.15
Matched TTPs:
  • T1027.015 - Compression
MITREへのリンク →

Mofang

Score: 3.15
Matched TTPs:
  • T1027.015 - Compression
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)

Kimsuky

Score: 0.79
Matched TTPs:
  • T1587.001 - Malware
  • T1583.006 - Web Services
  • T1608.001 - Upload Malware
  • T1102.001 - Dead Drop Resolver
  • T1588.003 - Code Signing Certificates
  • T1078.003 - Local Accounts
  • T1598.003 - Spearphishing Link
  • T1588.002 - Tool
  • T1585 - Establish Accounts
  • T1657 - Financial Theft
MITREへのリンク →

Contagious Interview

Score: 0.78
Matched TTPs:
  • T1587.001 - Malware
  • T1583.006 - Web Services
  • T1608.001 - Upload Malware
  • T1566.003 - Spearphishing via Service
  • T1204.004 - Malicious Copy and Paste
  • T1588.002 - Tool
  • T1585 - Establish Accounts
  • T1681 - Search Threat Vendor Data
  • T1657 - Financial Theft
MITREへのリンク →

Mustang Panda

Score: 0.75
Matched TTPs:
  • T1608 - Stage Capabilities
  • T1587.001 - Malware
  • T1583.006 - Web Services
  • T1608.001 - Upload Malware
  • T1027.007 - Dynamic API Resolution
  • T1588.003 - Code Signing Certificates
  • T1598.003 - Spearphishing Link
  • T1588.002 - Tool
  • T1203 - Exploitation for Client Execution
MITREへのリンク →

APT32

Score: 0.65
Matched TTPs:
  • T1583.006 - Web Services
  • T1027.011 - Fileless Storage
  • T1608.001 - Upload Malware
  • T1569.002 - Service Execution
  • T1078.003 - Local Accounts
  • T1598.003 - Spearphishing Link
  • T1588.002 - Tool
  • T1203 - Exploitation for Client Execution
MITREへのリンク →

OilRig

Score: 0.64
Matched TTPs:
  • T1587.001 - Malware
  • T1608.001 - Upload Malware
  • T1566.003 - Spearphishing via Service
  • T1195 - Supply Chain Compromise
  • T1555.004 - Windows Credential Manager
  • T1588.003 - Code Signing Certificates
  • T1588.002 - Tool
  • T1203 - Exploitation for Client Execution
MITREへのリンク →

Turla

Score: 0.64
Matched TTPs:
  • T1587.001 - Malware
  • T1583.006 - Web Services
  • T1027.011 - Fileless Storage
  • T1555.004 - Windows Credential Manager
  • T1588.001 - Malware
  • T1078.003 - Local Accounts
  • T1588.002 - Tool
MITREへのリンク →

FIN7

Score: 0.63
Matched TTPs:
  • T1674 - Input Injection
  • T1587.001 - Malware
  • T1583.006 - Web Services
  • T1608.001 - Upload Malware
  • T1078.003 - Local Accounts
  • T1569.002 - Service Execution
  • T1588.002 - Tool
MITREへのリンク →

Lazarus Group

Score: 0.62
Matched TTPs:
  • T1587.001 - Malware
  • T1583.006 - Web Services
  • T1574.013 - KernelCallbackTable
  • T1566.003 - Spearphishing via Service
  • T1027.007 - Dynamic API Resolution
  • T1588.002 - Tool
  • T1203 - Exploitation for Client Execution
MITREへのリンク →

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