399e4f74e920566da0d84693c9c520f1d3c1a494c809d90ce6cdcc52b4b669c4

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02/09/2024, 05:59

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General

Target

LAVFilters64/LAVAudio.dll
Size

298KB
MD5

48ff4453f194c324807edb5d72baed84
SHA1

9be09dd1bda71e888a7358726a4d4fb5e2cb8e36
SHA256

6da547e97feb50061d8a6810148f659ac2585b846c642534e4675369b8201e75
SHA512

fcda4ddac88c15623451fa28e603b30f30118cf7ba933c5b73082d9e2a8f15dfe1c8646a41ae78000df69398c6a01a0e9d96e009b31c04f7db23a0eef8412559
SSDEEP

6144:NbbABuFv4u8x1Vcj0kkqx7p04LmOc/Vxno:VABu98NchX44Ito

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 29 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{2D8F1801-A70D-48F4-B76B-7F5AE022AB54}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C89FC33C-E60A-4C97-BEF4-ACC5762B6404}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\LAVFilters64\\LAVAudio.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{E8E73B6B-4CB3-44A4-BE99-4F7BCB96E491}\FriendlyName = "LAV Audio Decoder"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{2D8F1801-A70D-48F4-B76B-7F5AE022AB54}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C89FC33C-E60A-4C97-BEF4-ACC5762B6404}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{20ED4A03-6AFD-4FD9-980B-2F6143AA0892}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{20ED4A03-6AFD-4FD9-980B-2F6143AA0892}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{20ED4A03-6AFD-4FD9-980B-2F6143AA0892}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{BD72668E-6BFF-4CD1-8480-D465708B336B}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\LAVFilters64\\LAVAudio.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E8E73B6B-4CB3-44A4-BE99-4F7BCB96E491}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{2D8F1801-A70D-48F4-B76B-7F5AE022AB54}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\LAVFilters64\\LAVAudio.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{BD72668E-6BFF-4CD1-8480-D465708B336B}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{2D8F1801-A70D-48F4-B76B-7F5AE022AB54}\ = "LAV Audio Properties"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C89FC33C-E60A-4C97-BEF4-ACC5762B6404}\ = "LAV Audio Mixer"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C89FC33C-E60A-4C97-BEF4-ACC5762B6404}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{BD72668E-6BFF-4CD1-8480-D465708B336B}\ = "LAV Audio Format Settings"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{E8E73B6B-4CB3-44A4-BE99-4F7BCB96E491}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E8E73B6B-4CB3-44A4-BE99-4F7BCB96E491}\ = "LAV Audio Decoder"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{2D8F1801-A70D-48F4-B76B-7F5AE022AB54}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{20ED4A03-6AFD-4FD9-980B-2F6143AA0892}\ = "LAV Audio Status"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E8E73B6B-4CB3-44A4-BE99-4F7BCB96E491}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E8E73B6B-4CB3-44A4-BE99-4F7BCB96E491}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\LAVFilters64\\LAVAudio.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{BD72668E-6BFF-4CD1-8480-D465708B336B}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{20ED4A03-6AFD-4FD9-980B-2F6143AA0892}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\LAVFilters64\\LAVAudio.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E8E73B6B-4CB3-44A4-BE99-4F7BCB96E491}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C89FC33C-E60A-4C97-BEF4-ACC5762B6404}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{BD72668E-6BFF-4CD1-8480-D465708B336B}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{E8E73B6B-4CB3-44A4-BE99-4F7BCB96E491}\CLSID = "{E8E73B6B-4CB3-44A4-BE99-4F7BCB96E491}"	regsvr32.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{E8E73B6B-4CB3-44A4-BE99-4F7BCB96E491}\FilterData = 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	regsvr32.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\LAVFilters64\LAVAudio.dll
1⤵
- Modifies registry class
PID:2708

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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