e8fddf79585aa209b0b804ff079e3e8f44196cf80f06a469967f4288224dfa4d

Analysis

max time kernel
93s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
04/02/2024, 14:44

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General

Target

ie/MediaWatchV1home2988.dll
Size

85KB
MD5

f971fe00ce8ccf96d625f5f5f84be51c
SHA1

8310fa60c440eb04ec5b3f720c4d5386642f493a
SHA256

73dc6614258f4399eebac821911c1b8e57c77392479495f9ef0d53e3bcf8484a
SHA512

bab24d24348a1d24925a11dc8c911a229d3eedb15ff61bdcb655f8ef2e2927c780d3ab296d9b909c593b177397cc668737dff26efb445cb686292234f75cc61b
SSDEEP

1536:JP8/1CsEmka04RhRtahrOb8DkhtHHA9glQglpp:S12mka0ElahrOhHguaglp

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\{24b28930-33a0-4197-82a7-75e93f37868d}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{24b28930-33a0-4197-82a7-75e93f37868d}\ = "MediaWatchV1home2988"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{24b28930-33a0-4197-82a7-75e93f37868d}\NoExplorer = "1"	regsvr32.exe

Modifies registry class 34 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{24b28930-33a0-4197-82a7-75e93f37868d}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{24b28930-33a0-4197-82a7-75e93f37868d}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4A39806A-5278-490A-8D1D-2FEF9ED86617}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4A39806A-5278-490A-8D1D-2FEF9ED86617}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{24b28930-33a0-4197-82a7-75e93f37868d}\ = "MediaWatchV1home2988"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{24b28930-33a0-4197-82a7-75e93f37868d}\Version\ = "1.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{89EC9409-4AEB-465C-9FF6-418046EEC868}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{89EC9409-4AEB-465C-9FF6-418046EEC868}\1.1\ = "MediaWatchV1home2988Lib"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{89EC9409-4AEB-465C-9FF6-418046EEC868}\1.1\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4A39806A-5278-490A-8D1D-2FEF9ED86617}\TypeLib\Version = "1.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4A39806A-5278-490A-8D1D-2FEF9ED86617}\TypeLib\ = "{89EC9409-4AEB-465C-9FF6-418046EEC868}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{89EC9409-4AEB-465C-9FF6-418046EEC868}\1.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4A39806A-5278-490A-8D1D-2FEF9ED86617}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{24b28930-33a0-4197-82a7-75e93f37868d}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\MediaWatchV1home2988.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{24b28930-33a0-4197-82a7-75e93f37868d}\Version	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{89EC9409-4AEB-465C-9FF6-418046EEC868}\1.1\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{89EC9409-4AEB-465C-9FF6-418046EEC868}\1.1\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4A39806A-5278-490A-8D1D-2FEF9ED86617}\ = "IMediaWatchV1home2988BHO"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4A39806A-5278-490A-8D1D-2FEF9ED86617}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4A39806A-5278-490A-8D1D-2FEF9ED86617}\TypeLib\ = "{89EC9409-4AEB-465C-9FF6-418046EEC868}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4A39806A-5278-490A-8D1D-2FEF9ED86617}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{89EC9409-4AEB-465C-9FF6-418046EEC868}\1.1\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4A39806A-5278-490A-8D1D-2FEF9ED86617}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{24b28930-33a0-4197-82a7-75e93f37868d}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{24b28930-33a0-4197-82a7-75e93f37868d}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{24b28930-33a0-4197-82a7-75e93f37868d}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{89EC9409-4AEB-465C-9FF6-418046EEC868}\1.1\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\MediaWatchV1home2988.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{89EC9409-4AEB-465C-9FF6-418046EEC868}\1.1\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4A39806A-5278-490A-8D1D-2FEF9ED86617}\ = "IMediaWatchV1home2988BHO"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4A39806A-5278-490A-8D1D-2FEF9ED86617}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4A39806A-5278-490A-8D1D-2FEF9ED86617}\TypeLib\Version = "1.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{24b28930-33a0-4197-82a7-75e93f37868d}\TypeLib\ = "{89ec9409-4aeb-465c-9ff6-418046eec868}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{89EC9409-4AEB-465C-9FF6-418046EEC868}\1.1\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4A39806A-5278-490A-8D1D-2FEF9ED86617}	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4164 wrote to memory of 4424	4164	regsvr32.exe	28
PID 4164 wrote to memory of 4424	4164	regsvr32.exe	28
PID 4164 wrote to memory of 4424	4164	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ie\MediaWatchV1home2988.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4164
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\ie\MediaWatchV1home2988.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:4424

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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