c6fc72284a7ed951f7fd4678e900643581c2ba0259b344613e05c2d9ae626ce5

Analysis

max time kernel
93s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03/10/2024, 07:56

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General

Target

ie/MediaWatchV1home4624.dll
Size

85KB
MD5

1a792d0b82e1c129e024bf2c49afcd48
SHA1

4f4427483cd2b0b204c7dac6e80a537c30d34781
SHA256

17568d39a1dae4a6e187235d48234d1f2acb97dc14a27d975428d51c38f82140
SHA512

da9a44d77620fc02c4fb5f9c88ef0a9e76d19b66fc8dac60c4dd0afaac2461b5a6cc117355e766f107317b6e9ab65c8da82dd4b0f649009c9794a183672d3ef8
SSDEEP

1536:m8/1CsEmka04RhRtahrOb8Dkhf+HA9glQ7/dx:h12mka0ElahrOz+gua7/d

Score

6^/10

adware discovery stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{f15487ad-9d48-4656-844d-2d2567097e65}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{f15487ad-9d48-4656-844d-2d2567097e65}\ = "MediaWatchV1home4624"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{f15487ad-9d48-4656-844d-2d2567097e65}\NoExplorer = "1"	regsvr32.exe

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 34 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{f15487ad-9d48-4656-844d-2d2567097e65}\Version\ = "1.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{361FA3F8-55AF-4104-913E-AE4E5D380F39}\TypeLib\ = "{1B325A60-8147-4CAE-8BF4-6B6345F020F4}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{361FA3F8-55AF-4104-913E-AE4E5D380F39}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{361FA3F8-55AF-4104-913E-AE4E5D380F39}\TypeLib\ = "{1B325A60-8147-4CAE-8BF4-6B6345F020F4}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{361FA3F8-55AF-4104-913E-AE4E5D380F39}\TypeLib\Version = "1.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{f15487ad-9d48-4656-844d-2d2567097e65}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{f15487ad-9d48-4656-844d-2d2567097e65}\Version	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{361FA3F8-55AF-4104-913E-AE4E5D380F39}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1B325A60-8147-4CAE-8BF4-6B6345F020F4}\1.1\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1B325A60-8147-4CAE-8BF4-6B6345F020F4}\1.1\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{361FA3F8-55AF-4104-913E-AE4E5D380F39}\ = "IMediaWatchV1home4624BHO"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{f15487ad-9d48-4656-844d-2d2567097e65}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{f15487ad-9d48-4656-844d-2d2567097e65}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{f15487ad-9d48-4656-844d-2d2567097e65}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\MediaWatchV1home4624.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{361FA3F8-55AF-4104-913E-AE4E5D380F39}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1B325A60-8147-4CAE-8BF4-6B6345F020F4}\1.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1B325A60-8147-4CAE-8BF4-6B6345F020F4}\1.1\ = "MediaWatchV1home4624Lib"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{361FA3F8-55AF-4104-913E-AE4E5D380F39}\ = "IMediaWatchV1home4624BHO"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{f15487ad-9d48-4656-844d-2d2567097e65}\TypeLib\ = "{1b325a60-8147-4cae-8bf4-6b6345f020f4}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1B325A60-8147-4CAE-8BF4-6B6345F020F4}\1.1\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{361FA3F8-55AF-4104-913E-AE4E5D380F39}\TypeLib\Version = "1.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1B325A60-8147-4CAE-8BF4-6B6345F020F4}\1.1\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{361FA3F8-55AF-4104-913E-AE4E5D380F39}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{361FA3F8-55AF-4104-913E-AE4E5D380F39}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1B325A60-8147-4CAE-8BF4-6B6345F020F4}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1B325A60-8147-4CAE-8BF4-6B6345F020F4}\1.1\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\MediaWatchV1home4624.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1B325A60-8147-4CAE-8BF4-6B6345F020F4}\1.1\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{f15487ad-9d48-4656-844d-2d2567097e65}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{361FA3F8-55AF-4104-913E-AE4E5D380F39}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{361FA3F8-55AF-4104-913E-AE4E5D380F39}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{361FA3F8-55AF-4104-913E-AE4E5D380F39}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{f15487ad-9d48-4656-844d-2d2567097e65}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{f15487ad-9d48-4656-844d-2d2567097e65}\ = "MediaWatchV1home4624"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1B325A60-8147-4CAE-8BF4-6B6345F020F4}\1.1\FLAGS\ = "0"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4824 wrote to memory of 3196	4824	regsvr32.exe	82
PID 4824 wrote to memory of 3196	4824	regsvr32.exe	82
PID 4824 wrote to memory of 3196	4824	regsvr32.exe	82

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ie\MediaWatchV1home4624.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4824
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\ie\MediaWatchV1home4624.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:3196

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Browser Extensions

T1176

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

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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