2de119b465a2e51cbab3293b51b419c49d6da1f497c68e17549839e0f6ae2a9b

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
17/08/2024, 03:08

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General

Target

$SYSDIR/LAVVideo.dll
Size

437KB
MD5

e41abdd77ff7e612d5f74d00ec722f32
SHA1

1293a7fbafdc74967bd17deefc1769566e510bd5
SHA256

7a8a39afc65a8c04fe5a6572347bbc1ede751235eae4a17c9a461041f5f2acfb
SHA512

95f57122b5ef69b44d74b251ad82400220da0e9ee31c7466f58d74f861d0854e67917aa75c03bd2b4fa0996bfe09ac0e0729670db97b681d8356aeeeec9fd33d
SSDEEP

12288:wbqNS0VtjtgWINik/dy+qIj9CUUZVu3q:CYjgWINik/dqI8USU

Score

3^/10

discovery

Malware Config

Signatures

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Modifies registry class 19 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{EE30215D-164F-4A92-A4EB-9D4C13390F9F}\FilterData = 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	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EE30215D-164F-4A92-A4EB-9D4C13390F9F}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EE30215D-164F-4A92-A4EB-9D4C13390F9F}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{278407C2-558C-4BED-83A0-B6FA454200BD}\ = "LAV Video Properties"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2D4D6F88-8B41-40A2-B297-3D722816648B}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{EE30215D-164F-4A92-A4EB-9D4C13390F9F}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{EE30215D-164F-4A92-A4EB-9D4C13390F9F}\CLSID = "{EE30215D-164F-4A92-A4EB-9D4C13390F9F}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EE30215D-164F-4A92-A4EB-9D4C13390F9F}\ = "LAV Video Decoder"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EE30215D-164F-4A92-A4EB-9D4C13390F9F}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2D4D6F88-8B41-40A2-B297-3D722816648B}\ = "LAV Video Format Settings"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2D4D6F88-8B41-40A2-B297-3D722816648B}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$SYSDIR\\LAVVideo.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{EE30215D-164F-4A92-A4EB-9D4C13390F9F}\FriendlyName = "LAV Video Decoder"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{278407C2-558C-4BED-83A0-B6FA454200BD}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{278407C2-558C-4BED-83A0-B6FA454200BD}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{278407C2-558C-4BED-83A0-B6FA454200BD}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$SYSDIR\\LAVVideo.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{278407C2-558C-4BED-83A0-B6FA454200BD}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EE30215D-164F-4A92-A4EB-9D4C13390F9F}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$SYSDIR\\LAVVideo.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2D4D6F88-8B41-40A2-B297-3D722816648B}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2D4D6F88-8B41-40A2-B297-3D722816648B}\InprocServer32	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 980 wrote to memory of 4164	980	regsvr32.exe	84
PID 980 wrote to memory of 4164	980	regsvr32.exe	84
PID 980 wrote to memory of 4164	980	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\$SYSDIR\LAVVideo.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:980
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\$SYSDIR\LAVVideo.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:4164

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4164-1-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-4-0x0000000066C0F000-0x0000000067076000-memory.dmp

Filesize
4.4MB

Download
memory/4164-2-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-0-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-7-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-3-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-6-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-5-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-9-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-8-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-16-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-17-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-12-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-21-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-19-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-23-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-27-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-30-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-31-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-32-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-36-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-38-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-37-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-42-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-43-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-41-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-48-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-50-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-53-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-49-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-55-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-58-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-60-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-63-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-64-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-65-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-69-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-75-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-71-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-77-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-78-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-66-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-72-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-73-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-70-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-61-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-57-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-54-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-52-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-47-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-46-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-45-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-40-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-35-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-34-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-33-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-28-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-25-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-26-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-20-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

Download
memory/4164-22-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

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memory/4164-15-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

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memory/4164-13-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

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memory/4164-14-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

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memory/4164-11-0x0000000066C00000-0x00000000676AD000-memory.dmp

Filesize
10.7MB

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