48ce31ecda937253d2ccc1dfd01053eb4f3d93486c1ee36edd97347bf21a9e72

Analysis

max time kernel
89s
max time network
94s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
20-12-2024 10:45

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General

Target

assets/WsUpgrade.dll
Size

201KB
MD5

9d99b0e88cc4eaa43141dea9e31ed3be
SHA1

442e48476650e97cfac8e8088a7315b9804be0c1
SHA256

061de26f44da62a17eecb71f078ef90a9c8784e7c58500984314c74b32c12e46
SHA512

2a0cd7adf67e535cf4a40988d6da4ee69970694875504ea7f7e68cef19e01675557bd3021d867c2bb837d1c3e8287d710259c921967324255c53d0351c6d48df
SSDEEP

3072:a0qV+qDh/7k8Rr92ZSbTP6c27UxDOUreaNQbmOhG7/tfxvharBjnt:a0qVHV1IwTPrFtOe/tzarB7

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 27 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WsUpgrade.WsUpgradePlugin\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{8707fcd0-e62a-4451-b224-7707ffe1c286}\AppID = "{b147aea4-d71d-4715-be15-becc101ac2c9}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WsUpgrade.WsUpgradePlugin.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WsUpgrade.WsUpgradePlugin	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\wsupgrade.DLL\AppID = "{b147aea4-d71d-4715-be15-becc101ac2c9}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WsUpgrade.WsUpgradePlugin\CurVer\ = "WsUpgrade.WsUpgradePlugin.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{8707fcd0-e62a-4451-b224-7707ffe1c286}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{8707fcd0-e62a-4451-b224-7707ffe1c286}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WsUpgrade.WsUpgradePlugin\ = "CWsUpgradePlugin Object"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{8707fcd0-e62a-4451-b224-7707ffe1c286}\InprocServer32\ThreadingModel = "free"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WsUpgrade.WsUpgradePlugin\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{8707fcd0-e62a-4451-b224-7707ffe1c286}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{8707fcd0-e62a-4451-b224-7707ffe1c286}\ = "CWsUpgradePlugin Object"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{8707fcd0-e62a-4451-b224-7707ffe1c286}\VersionIndependentProgID\ = "WsUpgrade.WsUpgradePlugin"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{8707fcd0-e62a-4451-b224-7707ffe1c286}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\assets\\WsUpgrade.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{b147aea4-d71d-4715-be15-becc101ac2c9}\ = "WsUpgradePlugin"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{8707fcd0-e62a-4451-b224-7707ffe1c286}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{b147aea4-d71d-4715-be15-becc101ac2c9}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WsUpgrade.WsUpgradePlugin.1\ = "CWsUpgradePlugin Object"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WsUpgrade.WsUpgradePlugin.1\CLSID\ = "{8707fcd0-e62a-4451-b224-7707ffe1c286}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{8707fcd0-e62a-4451-b224-7707ffe1c286}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WsUpgrade.WsUpgradePlugin.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{8707fcd0-e62a-4451-b224-7707ffe1c286}\ProgID\ = "WsUpgrade.WsUpgradePlugin.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{8707fcd0-e62a-4451-b224-7707ffe1c286}\TypeLib\ = "{B147AEA4-D71D-4715-BE15-BECC101AC2C9}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\wsupgrade.DLL	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WsUpgrade.WsUpgradePlugin\CLSID\ = "{8707fcd0-e62a-4451-b224-7707ffe1c286}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{8707fcd0-e62a-4451-b224-7707ffe1c286}\Programmable	regsvr32.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\assets\WsUpgrade.dll
1⤵
- Modifies registry class
PID:664

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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