0542ad7a6736f8a1f6e462cb437498e4dd84bd3c95114677ee70459764eaffc2

Analysis

max time kernel
94s
max time network
95s
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, 03:48

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General

Target

ie/MediaWatchV1home86.dll
Size

85KB
MD5

656abd96af54347c6482501c5e5dc1eb
SHA1

8e7b692963ea246d86469e54e5eea093fa0a69d2
SHA256

d7d2d591615576132a84aa63979d70b513ce1880c765d25cbf420007a3d16ad8
SHA512

9c1112c2754a65d7121a943d4d590e3fc568035bec0d06cb943f9625996d7c396d12f63833dc2d30b8dbbba1b8abd4598d244aa4152b5f311d7f0e9d183e1115
SSDEEP

1536:Ty/YCsh1Eb2VeAtK7gjzAcTkWG6IXbxlQIPFy2:qYT1Eb2VeOK76z26IrxaIPQ

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\{3453dcad-df39-4e6c-bd8b-615717da9f25}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{3453dcad-df39-4e6c-bd8b-615717da9f25}\ = "MediaWatchV1home86"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{3453dcad-df39-4e6c-bd8b-615717da9f25}\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\{3453dcad-df39-4e6c-bd8b-615717da9f25}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\MediaWatchV1home86.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5234C764-96C8-4655-A348-130276BD2490}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4471FB10-7A19-4CFD-B1DE-FD62CA796268}\TypeLib\Version = "1.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4471FB10-7A19-4CFD-B1DE-FD62CA796268}\TypeLib\Version = "1.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3453dcad-df39-4e6c-bd8b-615717da9f25}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5234C764-96C8-4655-A348-130276BD2490}\1.1\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4471FB10-7A19-4CFD-B1DE-FD62CA796268}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4471FB10-7A19-4CFD-B1DE-FD62CA796268}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5234C764-96C8-4655-A348-130276BD2490}\1.1\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4471FB10-7A19-4CFD-B1DE-FD62CA796268}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3453dcad-df39-4e6c-bd8b-615717da9f25}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3453dcad-df39-4e6c-bd8b-615717da9f25}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3453dcad-df39-4e6c-bd8b-615717da9f25}\TypeLib\ = "{5234c764-96c8-4655-a348-130276bd2490}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5234C764-96C8-4655-A348-130276BD2490}\1.1\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4471FB10-7A19-4CFD-B1DE-FD62CA796268}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4471FB10-7A19-4CFD-B1DE-FD62CA796268}\ = "IMediaWatchV1home86BHO"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5234C764-96C8-4655-A348-130276BD2490}\1.1\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4471FB10-7A19-4CFD-B1DE-FD62CA796268}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4471FB10-7A19-4CFD-B1DE-FD62CA796268}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4471FB10-7A19-4CFD-B1DE-FD62CA796268}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3453dcad-df39-4e6c-bd8b-615717da9f25}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3453dcad-df39-4e6c-bd8b-615717da9f25}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5234C764-96C8-4655-A348-130276BD2490}\1.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4471FB10-7A19-4CFD-B1DE-FD62CA796268}\ = "IMediaWatchV1home86BHO"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4471FB10-7A19-4CFD-B1DE-FD62CA796268}\TypeLib\ = "{5234C764-96C8-4655-A348-130276BD2490}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4471FB10-7A19-4CFD-B1DE-FD62CA796268}\TypeLib\ = "{5234C764-96C8-4655-A348-130276BD2490}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3453dcad-df39-4e6c-bd8b-615717da9f25}\ = "MediaWatchV1home86"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3453dcad-df39-4e6c-bd8b-615717da9f25}\Version	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3453dcad-df39-4e6c-bd8b-615717da9f25}\Version\ = "1.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5234C764-96C8-4655-A348-130276BD2490}\1.1\ = "MediaWatchV1home86Lib"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5234C764-96C8-4655-A348-130276BD2490}\1.1\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4471FB10-7A19-4CFD-B1DE-FD62CA796268}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5234C764-96C8-4655-A348-130276BD2490}\1.1\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\MediaWatchV1home86.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5234C764-96C8-4655-A348-130276BD2490}\1.1\HELPDIR	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 1592	3012	regsvr32.exe	82
PID 3012 wrote to memory of 1592	3012	regsvr32.exe	82
PID 3012 wrote to memory of 1592	3012	regsvr32.exe	82

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ie\MediaWatchV1home86.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3012
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\ie\MediaWatchV1home86.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:1592

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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