86d8fa398156d1ed19e22d123330b93c99bff52601be43b9a7ba84b132e11b27

Analysis

max time kernel
134s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03/11/2024, 15:57

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General

Target
ie/MediaWatchV1home526.dll
Size 85KB
Sample241103-tedcaaxlav
SHA256 487bad8862ab1a342c4662ff9c1dde980e859598da00dae4b1a53b974210231b
MD5 19f210bab94e09b6d33ee98708528ac5
SHA1 0dd2c0a7ddc643675700f3c2aab5b164cfde99e1
SHA512 2b2468db499b97c0995304526d25941b8b07f8e5ac6b3f537c6da3681673f10d2034895c395ff4e67bc7bcf6a48fa281efaf502b5cea4d9042b44fdfef335c29
SSDEEP 1536:Un/1CsEmkaMAvtahrOb8DktW9HA9glQ698J1:w12mkaMAlahrOW9gua69M
MD5 SHA1 SHA512 SSDEEP

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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{ab852e83-6a6b-4398-a9ae-2fd87b55f1ed}\ = "MediaWatchV1home526"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{ab852e83-6a6b-4398-a9ae-2fd87b55f1ed}\NoExplorer = "1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{ab852e83-6a6b-4398-a9ae-2fd87b55f1ed}	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\{ab852e83-6a6b-4398-a9ae-2fd87b55f1ed}\ = "MediaWatchV1home526"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ab852e83-6a6b-4398-a9ae-2fd87b55f1ed}\Version\ = "1.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2E90987-EF97-44FA-891D-DE4AEA1B3EAC}\1.1\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2E90987-EF97-44FA-891D-DE4AEA1B3EAC}\1.1\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\MediaWatchV1home526.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{218809B5-0D0F-4AA9-B2CF-7EC2EC31CECC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{218809B5-0D0F-4AA9-B2CF-7EC2EC31CECC}\TypeLib\ = "{E2E90987-EF97-44FA-891D-DE4AEA1B3EAC}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{218809B5-0D0F-4AA9-B2CF-7EC2EC31CECC}\TypeLib\ = "{E2E90987-EF97-44FA-891D-DE4AEA1B3EAC}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ab852e83-6a6b-4398-a9ae-2fd87b55f1ed}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ab852e83-6a6b-4398-a9ae-2fd87b55f1ed}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ab852e83-6a6b-4398-a9ae-2fd87b55f1ed}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2E90987-EF97-44FA-891D-DE4AEA1B3EAC}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2E90987-EF97-44FA-891D-DE4AEA1B3EAC}\1.1\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{218809B5-0D0F-4AA9-B2CF-7EC2EC31CECC}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{218809B5-0D0F-4AA9-B2CF-7EC2EC31CECC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{218809B5-0D0F-4AA9-B2CF-7EC2EC31CECC}\ = "IMediaWatchV1home526BHO"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ab852e83-6a6b-4398-a9ae-2fd87b55f1ed}\Version	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2E90987-EF97-44FA-891D-DE4AEA1B3EAC}\1.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{218809B5-0D0F-4AA9-B2CF-7EC2EC31CECC}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ab852e83-6a6b-4398-a9ae-2fd87b55f1ed}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ab852e83-6a6b-4398-a9ae-2fd87b55f1ed}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\MediaWatchV1home526.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2E90987-EF97-44FA-891D-DE4AEA1B3EAC}\1.1\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2E90987-EF97-44FA-891D-DE4AEA1B3EAC}\1.1\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{218809B5-0D0F-4AA9-B2CF-7EC2EC31CECC}\ = "IMediaWatchV1home526BHO"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{218809B5-0D0F-4AA9-B2CF-7EC2EC31CECC}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ab852e83-6a6b-4398-a9ae-2fd87b55f1ed}\TypeLib\ = "{e2e90987-ef97-44fa-891d-de4aea1b3eac}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2E90987-EF97-44FA-891D-DE4AEA1B3EAC}\1.1\ = "MediaWatchV1home526Lib"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2E90987-EF97-44FA-891D-DE4AEA1B3EAC}\1.1\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{218809B5-0D0F-4AA9-B2CF-7EC2EC31CECC}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{218809B5-0D0F-4AA9-B2CF-7EC2EC31CECC}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{218809B5-0D0F-4AA9-B2CF-7EC2EC31CECC}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ab852e83-6a6b-4398-a9ae-2fd87b55f1ed}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2E90987-EF97-44FA-891D-DE4AEA1B3EAC}\1.1\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{218809B5-0D0F-4AA9-B2CF-7EC2EC31CECC}\TypeLib\Version = "1.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{218809B5-0D0F-4AA9-B2CF-7EC2EC31CECC}\TypeLib\Version = "1.1"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3736 wrote to memory of 532	3736	regsvr32.exe	84
PID 3736 wrote to memory of 532	3736	regsvr32.exe	84
PID 3736 wrote to memory of 532	3736	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ie\MediaWatchV1home526.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3736
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\ie\MediaWatchV1home526.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:532

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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