b43f0674c30b36431d60816c5bb61c637c4c4e88db4c7b21f03d825f57bbe568

Analysis

max time kernel
87s
max time network
150s
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, 16:07

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
ie/MediaWatchV1home911.dll
Size 85KB
Sample240204-tk599adge9
SHA256 aa470b9e75a3092a7d7470ebbba5296b81a74f8210f60dd308dd15d47a885e1d
MD5 66875ca5c2d36d8f20d0701c1f286e43
SHA1 5fa0219bfce6e248d8f09739ee8352a493854890
SHA512 dc7ace0eb3e5172d3cb98c54623c55ad3b176d1e039c2295f3140d123d0d4ead4af02c96c7513828aaab4ffb53a79ff26f5bc42405cc32f4a3570a52af376750
SSDEEP 1536:9n/1CsEmkaMAvtahrOb8DktVwHA9glQvB5Zl:V12mkaMAlahrOVwguavB/
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\{ed11e7fb-2e7c-4d23-a41a-eddc7b609530}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{ed11e7fb-2e7c-4d23-a41a-eddc7b609530}\ = "MediaWatchV1home911"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{ed11e7fb-2e7c-4d23-a41a-eddc7b609530}\NoExplorer = "1"	regsvr32.exe

Modifies registry class 34 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9313BDA3-482C-4715-A850-C2EDDEFEDE22}\ = "IMediaWatchV1home911BHO"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9313BDA3-482C-4715-A850-C2EDDEFEDE22}\ = "IMediaWatchV1home911BHO"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9313BDA3-482C-4715-A850-C2EDDEFEDE22}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ed11e7fb-2e7c-4d23-a41a-eddc7b609530}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ed11e7fb-2e7c-4d23-a41a-eddc7b609530}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D67ED483-251C-4D04-838A-43B3F202323B}\1.1\ = "MediaWatchV1home911Lib"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D67ED483-251C-4D04-838A-43B3F202323B}\1.1\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ed11e7fb-2e7c-4d23-a41a-eddc7b609530}\TypeLib\ = "{d67ed483-251c-4d04-838a-43b3f202323b}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9313BDA3-482C-4715-A850-C2EDDEFEDE22}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9313BDA3-482C-4715-A850-C2EDDEFEDE22}\TypeLib\ = "{D67ED483-251C-4D04-838A-43B3F202323B}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ed11e7fb-2e7c-4d23-a41a-eddc7b609530}\Version	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ed11e7fb-2e7c-4d23-a41a-eddc7b609530}\Version\ = "1.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D67ED483-251C-4D04-838A-43B3F202323B}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9313BDA3-482C-4715-A850-C2EDDEFEDE22}\TypeLib\ = "{D67ED483-251C-4D04-838A-43B3F202323B}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9313BDA3-482C-4715-A850-C2EDDEFEDE22}\TypeLib\Version = "1.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9313BDA3-482C-4715-A850-C2EDDEFEDE22}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D67ED483-251C-4D04-838A-43B3F202323B}\1.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D67ED483-251C-4D04-838A-43B3F202323B}\1.1\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D67ED483-251C-4D04-838A-43B3F202323B}\1.1\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9313BDA3-482C-4715-A850-C2EDDEFEDE22}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ed11e7fb-2e7c-4d23-a41a-eddc7b609530}\ = "MediaWatchV1home911"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9313BDA3-482C-4715-A850-C2EDDEFEDE22}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9313BDA3-482C-4715-A850-C2EDDEFEDE22}\TypeLib\Version = "1.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ed11e7fb-2e7c-4d23-a41a-eddc7b609530}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\MediaWatchV1home911.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D67ED483-251C-4D04-838A-43B3F202323B}\1.1\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D67ED483-251C-4D04-838A-43B3F202323B}\1.1\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\MediaWatchV1home911.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9313BDA3-482C-4715-A850-C2EDDEFEDE22}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ed11e7fb-2e7c-4d23-a41a-eddc7b609530}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ed11e7fb-2e7c-4d23-a41a-eddc7b609530}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D67ED483-251C-4D04-838A-43B3F202323B}\1.1\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9313BDA3-482C-4715-A850-C2EDDEFEDE22}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ed11e7fb-2e7c-4d23-a41a-eddc7b609530}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D67ED483-251C-4D04-838A-43B3F202323B}\1.1\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9313BDA3-482C-4715-A850-C2EDDEFEDE22}\TypeLib	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4224 wrote to memory of 3644	4224	regsvr32.exe	25
PID 4224 wrote to memory of 3644	4224	regsvr32.exe	25
PID 4224 wrote to memory of 3644	4224	regsvr32.exe	25

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ie\MediaWatchV1home911.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4224
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\ie\MediaWatchV1home911.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:3644

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

Replay Monitor

Loading Replay Monitor...

Downloads