cefbf67d0bfd8da3ca685561909fa1f46cbfc5104576312acbc199c8e7dda442

Analysis

max time kernel
94s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13-10-2024 06:38

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General

Target

ie/MediaWatchV1home421.dll
Size

85KB
MD5

f0c57d1cd17713b644214f73575dc430
SHA1

fbac7b3f78bf680d54a387533ca2755e64ee3e7a
SHA256

2da510a8b23f3abcd9c9190a48122024603378e66a873d5e98127868b775bc09
SHA512

8ede09ed3738024545200e10c011befbae99ab429abba57acda3676d3538d036cca34b2b50a892fb7c6bf97b53746bdbdde5bf86c36141b8286fedb7ec6df1d3
SSDEEP

1536:/n/1CsEmkaMAvtahrOb8Dkt+cHA9glQbdFPF:X12mkaMAlahrO+cguabdl

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\{ebb79de0-97e1-4859-a704-fa640b90e95e}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{ebb79de0-97e1-4859-a704-fa640b90e95e}\ = "MediaWatchV1home421"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{ebb79de0-97e1-4859-a704-fa640b90e95e}\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\Interface\{C2D0C58B-1FA1-4980-A48F-51D14AFE277E}\ = "IMediaWatchV1home421BHO"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ebb79de0-97e1-4859-a704-fa640b90e95e}\Version	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5F6E8F96-188E-4D94-9F5B-8587FD3B37C9}\1.1\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5F6E8F96-188E-4D94-9F5B-8587FD3B37C9}\1.1\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C2D0C58B-1FA1-4980-A48F-51D14AFE277E}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C2D0C58B-1FA1-4980-A48F-51D14AFE277E}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C2D0C58B-1FA1-4980-A48F-51D14AFE277E}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ebb79de0-97e1-4859-a704-fa640b90e95e}\TypeLib\ = "{5f6e8f96-188e-4d94-9f5b-8587fd3b37c9}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5F6E8F96-188E-4D94-9F5B-8587FD3B37C9}\1.1\ = "MediaWatchV1home421Lib"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5F6E8F96-188E-4D94-9F5B-8587FD3B37C9}\1.1\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C2D0C58B-1FA1-4980-A48F-51D14AFE277E}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ebb79de0-97e1-4859-a704-fa640b90e95e}\ = "MediaWatchV1home421"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ebb79de0-97e1-4859-a704-fa640b90e95e}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C2D0C58B-1FA1-4980-A48F-51D14AFE277E}\ = "IMediaWatchV1home421BHO"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5F6E8F96-188E-4D94-9F5B-8587FD3B37C9}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5F6E8F96-188E-4D94-9F5B-8587FD3B37C9}\1.1\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C2D0C58B-1FA1-4980-A48F-51D14AFE277E}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C2D0C58B-1FA1-4980-A48F-51D14AFE277E}\TypeLib\ = "{5F6E8F96-188E-4D94-9F5B-8587FD3B37C9}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ebb79de0-97e1-4859-a704-fa640b90e95e}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ebb79de0-97e1-4859-a704-fa640b90e95e}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ebb79de0-97e1-4859-a704-fa640b90e95e}\Version\ = "1.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C2D0C58B-1FA1-4980-A48F-51D14AFE277E}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C2D0C58B-1FA1-4980-A48F-51D14AFE277E}\TypeLib\ = "{5F6E8F96-188E-4D94-9F5B-8587FD3B37C9}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ebb79de0-97e1-4859-a704-fa640b90e95e}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C2D0C58B-1FA1-4980-A48F-51D14AFE277E}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C2D0C58B-1FA1-4980-A48F-51D14AFE277E}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ebb79de0-97e1-4859-a704-fa640b90e95e}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\MediaWatchV1home421.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ebb79de0-97e1-4859-a704-fa640b90e95e}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5F6E8F96-188E-4D94-9F5B-8587FD3B37C9}\1.1\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C2D0C58B-1FA1-4980-A48F-51D14AFE277E}\TypeLib\Version = "1.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C2D0C58B-1FA1-4980-A48F-51D14AFE277E}\TypeLib\Version = "1.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5F6E8F96-188E-4D94-9F5B-8587FD3B37C9}\1.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5F6E8F96-188E-4D94-9F5B-8587FD3B37C9}\1.1\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5F6E8F96-188E-4D94-9F5B-8587FD3B37C9}\1.1\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\MediaWatchV1home421.dll"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4432 wrote to memory of 2072	4432	regsvr32.exe	83
PID 4432 wrote to memory of 2072	4432	regsvr32.exe	83
PID 4432 wrote to memory of 2072	4432	regsvr32.exe	83

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ie\MediaWatchV1home421.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4432
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\ie\MediaWatchV1home421.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2072

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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