18f807416a6d91f878ee2008b8cdb1638f7c9a759efbec15e984caecc9f179f7

Analysis

max time kernel
92s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
04/02/2024, 16:19

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General

Target
ie/MediaWatchV1home3046.dll
Size 85KB
Sample240204-tstanagbfk
SHA256 bb29aa10b8a138e580caa9d1275b85d0c72dac2ad769ee686d191389ef362e0d
MD5 1b41a959e93ec9bb510faa04cb63396f
SHA1 1f1d08bc0c59edb5d585ae6cbf3ef40bc5c0fb6a
SHA512 4f11f50195949f8c1a7908c6149264e63d05b814f09577ea38254f285d4e700aa3ce1713d52934a2aa14ef0e68bc2fca94c7d988bf04a70d75e314be846b1f18
SSDEEP 1536:p8/1CsEmka04RhRtahrOb8DkhE9HA9glQ81/Z:i12mka0ElahrOQ9gua81/
MD5 SHA1 SHA512 SSDEEP

Score

6^/10

adware 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\{96a45ffe-fa70-446c-b5c9-3b0477082f64}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{96a45ffe-fa70-446c-b5c9-3b0477082f64}\ = "MediaWatchV1home3046"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{96a45ffe-fa70-446c-b5c9-3b0477082f64}\NoExplorer = "1"	regsvr32.exe

Modifies registry class 34 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9147CD21-8F80-4491-9732-A5AF825A56FA}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9147CD21-8F80-4491-9732-A5AF825A56FA}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9147CD21-8F80-4491-9732-A5AF825A56FA}\TypeLib\ = "{40226023-17B8-4E12-B212-375016C20E60}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{96a45ffe-fa70-446c-b5c9-3b0477082f64}\Version\ = "1.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{40226023-17B8-4E12-B212-375016C20E60}\1.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{40226023-17B8-4E12-B212-375016C20E60}\1.1\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9147CD21-8F80-4491-9732-A5AF825A56FA}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9147CD21-8F80-4491-9732-A5AF825A56FA}\TypeLib\ = "{40226023-17B8-4E12-B212-375016C20E60}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9147CD21-8F80-4491-9732-A5AF825A56FA}\ = "IMediaWatchV1home3046BHO"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9147CD21-8F80-4491-9732-A5AF825A56FA}\TypeLib\Version = "1.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{96a45ffe-fa70-446c-b5c9-3b0477082f64}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\MediaWatchV1home3046.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{96a45ffe-fa70-446c-b5c9-3b0477082f64}\TypeLib\ = "{40226023-17b8-4e12-b212-375016c20e60}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{40226023-17B8-4E12-B212-375016C20E60}\1.1\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{40226023-17B8-4E12-B212-375016C20E60}\1.1\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{96a45ffe-fa70-446c-b5c9-3b0477082f64}\ = "MediaWatchV1home3046"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{96a45ffe-fa70-446c-b5c9-3b0477082f64}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{40226023-17B8-4E12-B212-375016C20E60}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{40226023-17B8-4E12-B212-375016C20E60}\1.1\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9147CD21-8F80-4491-9732-A5AF825A56FA}\ = "IMediaWatchV1home3046BHO"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9147CD21-8F80-4491-9732-A5AF825A56FA}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{96a45ffe-fa70-446c-b5c9-3b0477082f64}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{40226023-17B8-4E12-B212-375016C20E60}\1.1\ = "MediaWatchV1home3046Lib"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{40226023-17B8-4E12-B212-375016C20E60}\1.1\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\MediaWatchV1home3046.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9147CD21-8F80-4491-9732-A5AF825A56FA}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{96a45ffe-fa70-446c-b5c9-3b0477082f64}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{96a45ffe-fa70-446c-b5c9-3b0477082f64}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{96a45ffe-fa70-446c-b5c9-3b0477082f64}\Version	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{96a45ffe-fa70-446c-b5c9-3b0477082f64}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{40226023-17B8-4E12-B212-375016C20E60}\1.1\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{40226023-17B8-4E12-B212-375016C20E60}\1.1\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9147CD21-8F80-4491-9732-A5AF825A56FA}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9147CD21-8F80-4491-9732-A5AF825A56FA}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9147CD21-8F80-4491-9732-A5AF825A56FA}\TypeLib\Version = "1.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9147CD21-8F80-4491-9732-A5AF825A56FA}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4896 wrote to memory of 1752	4896	regsvr32.exe	14
PID 4896 wrote to memory of 1752	4896	regsvr32.exe	14
PID 4896 wrote to memory of 1752	4896	regsvr32.exe	14

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\ie\MediaWatchV1home3046.dll
1⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:1752

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ie\MediaWatchV1home3046.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4896

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

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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