d2cd99f2ffcad6cc11d3798ad269c5a711ac9a9bd445e940df99b65d8b095d4b

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
14/07/2024, 02:01

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General

Target

YoudaoGetWord64.dll
Size

481KB
MD5

7e12d51099017eafdf2b7626c514dce4
SHA1

f84a8c654e2ec5e080cea767a44a2d2a803c1e66
SHA256

0114d12aae2ebbfabda09a8e02a1bcffb91e4dce863c1c86b4668436aee50f57
SHA512

c85df7920f76a750af966067a16cafd5acd4fdf2f2514824ad4fa8d7d1bfc487eece0d735c2bb4da685a26d12b383f9f4598e72c17e7dad9a316fccbc1ddedd8
SSDEEP

6144:FnNU7JVDcXhSpr/I5Wez9ap1hhBtWp+UBYw0gEanuGOHZOvHJfWo5HqOuGl6Y:FNlRS+WM9e1rBta+UBYwTOHk7F1gY

Score

7^/10

persistence privilege_escalation

Malware Config

Signatures

Event Triggered Execution: Component Object Model Hijacking 1 TTPs
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
persistence privilege_escalation

Component Object Model Hijacking
T1546.015

Modifies registry class 32 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{07473267-2FBF-468D-8C7D-A9DB6211F5F2}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{55684B24-475C-4969-8C82-B498B5A53596}\1.0\0\win64\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\YoudaoGetWord64.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\YoudaoGetWord64.Connect\CLSID\ = "{07473267-2FBF-468D-8C7D-A9DB6211F5F2}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{07473267-2FBF-468D-8C7D-A9DB6211F5F2}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{07473267-2FBF-468D-8C7D-A9DB6211F5F2}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{55684B24-475C-4969-8C82-B498B5A53596}\1.0\0\win64	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{55684B24-475C-4969-8C82-B498B5A53596}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{55684B24-475C-4969-8C82-B498B5A53596}\1.0\ = "YoudaoGetWord 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{07473267-2FBF-468D-8C7D-A9DB6211F5F2}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{07473267-2FBF-468D-8C7D-A9DB6211F5F2}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{07473267-2FBF-468D-8C7D-A9DB6211F5F2}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\YoudaoGetWord64.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{07473267-2FBF-468D-8C7D-A9DB6211F5F2}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{55684B24-475C-4969-8C82-B498B5A53596}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\YoudaoGetWord64.Connect\ = "Connect Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\YoudaoGetWord64.Connect\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\YoudaoGetWord64.Connect\CurVer\ = "YoudaoGetWord64.Connect.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{07473267-2FBF-468D-8C7D-A9DB6211F5F2}\TypeLib\ = "{55684B24-475C-4969-8C82-B498B5A53596}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{07473267-2FBF-468D-8C7D-A9DB6211F5F2}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{07473267-2FBF-468D-8C7D-A9DB6211F5F2}\ = "Connect Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{55684B24-475C-4969-8C82-B498B5A53596}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{55684B24-475C-4969-8C82-B498B5A53596}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\YoudaoGetWord64.Connect.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\YoudaoGetWord64.Connect.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\YoudaoGetWord64.Connect	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\YoudaoGetWord64.Connect\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{55684B24-475C-4969-8C82-B498B5A53596}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\YoudaoGetWord64.Connect.1\ = "Connect Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{07473267-2FBF-468D-8C7D-A9DB6211F5F2}\ProgID\ = "YoudaoGetWord64.Connect.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{55684B24-475C-4969-8C82-B498B5A53596}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{55684B24-475C-4969-8C82-B498B5A53596}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\YoudaoGetWord64.Connect.1\CLSID\ = "{07473267-2FBF-468D-8C7D-A9DB6211F5F2}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{07473267-2FBF-468D-8C7D-A9DB6211F5F2}\VersionIndependentProgID\ = "YoudaoGetWord64.Connect"	regsvr32.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\YoudaoGetWord64.dll
1⤵
- Modifies registry class
PID:3540

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

Component Object Model Hijacking

T1546.015

Privilege Escalation

Event Triggered Execution

T1546

Component Object Model Hijacking

T1546.015

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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