Trusted Design

Exploring CVE-2015-2545 and its users

概要

This report, available at TLP:GREEN to researchers and network defenders, gives an overview of different attacks using CVE-2015-2545. Specifically we look at the different ways attackers are triggering the vulnerability, and the possibility that the exploit is shared amongst various groups. Based on overlaps in the samples analysed, our findings show that there are several clusters of documents, with the majority of the document-based builders sharing similar constructs in terms of how the final payload is discovered and executed. We also found that more recently some attackers are triggering the vulnerability through the use of MHTML files with .doc extensions. Source : http://pwc.blogs.com/cyber_security_updates/2016/05/exploring-cve-2015-2545-and-its-users.html

Created: 2026-02-23

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このPulseに関連する脅威アクター (事実ベース)

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Matched TTPs:
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  • T1203 - Exploitation for Client Execution
  • T1189 - Drive-by Compromise
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Matched TTPs:
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APT41

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Matched TTPs:
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Scattered Spider

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Matched TTPs:
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Matched TTPs:
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  • T1190 - Exploit Public-Facing Application
  • T1069.001 - Local Groups
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APT3

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Matched TTPs:
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Matched TTPs:
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Sandworm Team

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Matched TTPs:
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Storm-0501

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Matched TTPs:
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  • T1190 - Exploit Public-Facing Application
  • T1218.010 - Regsvr32
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Rocke

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Matched TTPs:
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Threat Group-3390

Score: 10.81
Matched TTPs:
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FIN7

Score: 7.06
Matched TTPs:
  • T1190 - Exploit Public-Facing Application
  • T1195.002 - Compromise Software Supply Chain
  • T1564.001 - Hidden Files and Directories
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APT28

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Matched TTPs:
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Matched TTPs:
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  • T1588.005 - Exploits
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Ember Bear

Score: 7.10
Matched TTPs:
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  • T1203 - Exploitation for Client Execution
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GOLD SOUTHFIELD

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Matched TTPs:
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Magic Hound

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Matched TTPs:
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Medusa Group

Score: 6.01
Matched TTPs:
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  • T1218.014 - MMC
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Sea Turtle

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Matched TTPs:
  • T1190 - Exploit Public-Facing Application
  • T1203 - Exploitation for Client Execution
  • T1027.004 - Compile After Delivery
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Fox Kitten

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Matched TTPs:
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Matched TTPs:
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Blue Mockingbird

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Matched TTPs:
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Winter Vivern

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Matched TTPs:
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  • T1056.003 - Web Portal Capture
  • T1189 - Drive-by Compromise
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Earth Lusca

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Matched TTPs:
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Matched TTPs:
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  • T1027.006 - HTML Smuggling
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Leviathan

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Matched TTPs:
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  • T1203 - Exploitation for Client Execution
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  • T1027.015 - Compression
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Matched TTPs:
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Matched TTPs:
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  • T1221 - Template Injection
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Matched TTPs:
  • T1190 - Exploit Public-Facing Application
  • T1203 - Exploitation for Client Execution
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Matched TTPs:
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Matched TTPs:
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Matched TTPs:
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Mustang Panda

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Matched TTPs:
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  • T1203 - Exploitation for Client Execution
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APT32

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Matched TTPs:
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BRONZE BUTLER

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Matched TTPs:
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  • T1039 - Data from Network Shared Drive
  • T1203 - Exploitation for Client Execution
  • T1189 - Drive-by Compromise
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LAPSUS$

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Matched TTPs:
  • T1204 - User Execution
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APT33

Score: 5.63
Matched TTPs:
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  • T1203 - Exploitation for Client Execution
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Wizard Spider

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Matched TTPs:
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Turla

Score: 4.92
Matched TTPs:
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  • T1189 - Drive-by Compromise
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Tonto Team

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Matched TTPs:
  • T1069.001 - Local Groups
  • T1203 - Exploitation for Client Execution
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HEXANE

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Matched TTPs:
  • T1069.001 - Local Groups
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admin@338

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Matched TTPs:
  • T1069.001 - Local Groups
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MITREへのリンク →

Chimera

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Matched TTPs:
  • T1069.001 - Local Groups
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OilRig

Score: 8.08
Matched TTPs:
  • T1069.001 - Local Groups
  • T1218.001 - Compiled HTML File
  • T1203 - Exploitation for Client Execution
MITREへのリンク →

Dark Caracal

Score: 5.20
Matched TTPs:
  • T1218.001 - Compiled HTML File
  • T1189 - Drive-by Compromise
MITREへのリンク →

Silence

Score: 3.44
Matched TTPs:
  • T1218.001 - Compiled HTML File
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APT38

Score: 5.20
Matched TTPs:
  • T1218.001 - Compiled HTML File
  • T1189 - Drive-by Compromise
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Gamaredon Group

Score: 17.50
Matched TTPs:
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  • T1039 - Data from Network Shared Drive
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  • T1221 - Template Injection
  • T1027.015 - Compression
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RedCurl

Score: 5.70
Matched TTPs:
  • T1039 - Data from Network Shared Drive
  • T1564.001 - Hidden Files and Directories
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Sowbug

Score: 3.03
Matched TTPs:
  • T1039 - Data from Network Shared Drive
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Cobalt Group

Score: 7.17
Matched TTPs:
  • T1218.010 - Regsvr32
  • T1195.002 - Compromise Software Supply Chain
  • T1203 - Exploitation for Client Execution
MITREへのリンク →

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Score: 7.39
Matched TTPs:
  • T1218.010 - Regsvr32
  • T1203 - Exploitation for Client Execution
  • T1221 - Template Injection
MITREへのリンク →

APT19

Score: 4.51
Matched TTPs:
  • T1218.010 - Regsvr32
  • T1189 - Drive-by Compromise
MITREへのリンク →

Daggerfly

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Matched TTPs:
  • T1195.002 - Compromise Software Supply Chain
  • T1189 - Drive-by Compromise
MITREへのリンク →

Andariel

Score: 3.26
Matched TTPs:
  • T1203 - Exploitation for Client Execution
  • T1189 - Drive-by Compromise
MITREへのリンク →

Confucius

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Matched TTPs:
  • T1203 - Exploitation for Client Execution
  • T1221 - Template Injection
MITREへのリンク →

Patchwork

Score: 3.26
Matched TTPs:
  • T1203 - Exploitation for Client Execution
  • T1189 - Drive-by Compromise
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 →

APT37

Score: 3.26
Matched TTPs:
  • T1203 - Exploitation for Client Execution
  • T1189 - Drive-by Compromise
MITREへのリンク →

Transparent Tribe

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Matched TTPs:
  • T1203 - Exploitation for Client Execution
  • T1189 - Drive-by Compromise
  • T1564.001 - Hidden Files and Directories
MITREへのリンク →

Tropic Trooper

Score: 7.31
Matched TTPs:
  • T1203 - Exploitation for Client Execution
  • T1221 - Template Injection
  • T1564.001 - Hidden Files and Directories
MITREへのリンク →

Elderwood

Score: 3.26
Matched TTPs:
  • T1203 - Exploitation for Client Execution
  • T1189 - Drive-by Compromise
MITREへのリンク →

Darkhotel

Score: 3.26
Matched TTPs:
  • T1203 - Exploitation for Client Execution
  • T1189 - Drive-by Compromise
MITREへのリンク →

Mustard Tempest

Score: 6.30
Matched TTPs:
  • T1189 - Drive-by Compromise
  • T1608.006 - SEO Poisoning
MITREへのリンク →

DarkHydrus

Score: 3.15
Matched TTPs:
  • T1221 - Template Injection
MITREへのリンク →

Molerats

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

TA2541

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 →

Velvet Ant

Score: 4.13
Matched TTPs:
  • T1211 - Exploitation for Defense Evasion
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: 0.81
Matched TTPs:
  • T1550.001 - Application Access Token
  • T1669 - Wi-Fi Networks
  • T1564.001 - Hidden Files and Directories
  • T1039 - Data from Network Shared Drive
  • T1221 - Template Injection
  • T1189 - Drive-by Compromise
  • T1211 - Exploitation for Defense Evasion
  • T1190 - Exploit Public-Facing Application
  • T1203 - Exploitation for Client Execution
  • T1498 - Network Denial of Service
MITREへのリンク →

APT29

Score: 0.56
Matched TTPs:
  • T1027.006 - HTML Smuggling
  • T1090.004 - Domain Fronting
  • T1550.003 - Pass the Ticket
  • T1651 - Cloud Administration Command
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