91359945ae33bd05c2d0673e93f3a8cd2320933332a28eb04fdaabe87f97fea4

Analysis

max time kernel
94s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09/10/2024, 02:11

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General

Target

ie/MediaWatchV1home3259.dll
Size

85KB
MD5

0ccbd466a8d1c8e1b0a97e5179912948
SHA1

aadf3f723df6aa932ff4b5fc9b60986782b08400
SHA256

ee5517a57df80d2c601bbcb6d73d044fed81736f536a907e738f5f25db1a2638
SHA512

9c3f5a6a5729a511b377a85e9c2c5437b32b291408c63d37a1c03690f69b772b0e938c6376f2cf73349d1e21008dd846868fc99e92fbf04b3a2593dfcb406fac
SSDEEP

1536:X8/1CsEmka04RhRtahrOb8DkhsnHA9glQCt55:Q12mka0ElahrOInguaCt5

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\{f3a59595-bbcb-41f1-aeb2-07cbba30f609}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{f3a59595-bbcb-41f1-aeb2-07cbba30f609}\ = "MediaWatchV1home3259"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{f3a59595-bbcb-41f1-aeb2-07cbba30f609}\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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{f3a59595-bbcb-41f1-aeb2-07cbba30f609}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{f3a59595-bbcb-41f1-aeb2-07cbba30f609}\ = "MediaWatchV1home3259"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{f3a59595-bbcb-41f1-aeb2-07cbba30f609}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{69D38C11-44B9-4ADE-A5A2-008F8CEECE05}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4DE9677F-0C3C-48E2-884E-2E4AFFBB403C}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4DE9677F-0C3C-48E2-884E-2E4AFFBB403C}\1.1\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4DE9677F-0C3C-48E2-884E-2E4AFFBB403C}\1.1\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{69D38C11-44B9-4ADE-A5A2-008F8CEECE05}\TypeLib\ = "{4DE9677F-0C3C-48E2-884E-2E4AFFBB403C}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{69D38C11-44B9-4ADE-A5A2-008F8CEECE05}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{f3a59595-bbcb-41f1-aeb2-07cbba30f609}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{69D38C11-44B9-4ADE-A5A2-008F8CEECE05}\ = "IMediaWatchV1home3259BHO"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4DE9677F-0C3C-48E2-884E-2E4AFFBB403C}\1.1\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{69D38C11-44B9-4ADE-A5A2-008F8CEECE05}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{69D38C11-44B9-4ADE-A5A2-008F8CEECE05}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{69D38C11-44B9-4ADE-A5A2-008F8CEECE05}\TypeLib\Version = "1.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{69D38C11-44B9-4ADE-A5A2-008F8CEECE05}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4DE9677F-0C3C-48E2-884E-2E4AFFBB403C}\1.1\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{69D38C11-44B9-4ADE-A5A2-008F8CEECE05}\TypeLib\Version = "1.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{69D38C11-44B9-4ADE-A5A2-008F8CEECE05}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{f3a59595-bbcb-41f1-aeb2-07cbba30f609}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{f3a59595-bbcb-41f1-aeb2-07cbba30f609}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\MediaWatchV1home3259.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4DE9677F-0C3C-48E2-884E-2E4AFFBB403C}\1.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4DE9677F-0C3C-48E2-884E-2E4AFFBB403C}\1.1\ = "MediaWatchV1home3259Lib"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4DE9677F-0C3C-48E2-884E-2E4AFFBB403C}\1.1\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{69D38C11-44B9-4ADE-A5A2-008F8CEECE05}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{69D38C11-44B9-4ADE-A5A2-008F8CEECE05}\ = "IMediaWatchV1home3259BHO"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{f3a59595-bbcb-41f1-aeb2-07cbba30f609}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{f3a59595-bbcb-41f1-aeb2-07cbba30f609}\TypeLib\ = "{4de9677f-0c3c-48e2-884e-2e4affbb403c}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{f3a59595-bbcb-41f1-aeb2-07cbba30f609}\Version	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{f3a59595-bbcb-41f1-aeb2-07cbba30f609}\Version\ = "1.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4DE9677F-0C3C-48E2-884E-2E4AFFBB403C}\1.1\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\MediaWatchV1home3259.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4DE9677F-0C3C-48E2-884E-2E4AFFBB403C}\1.1\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{69D38C11-44B9-4ADE-A5A2-008F8CEECE05}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{69D38C11-44B9-4ADE-A5A2-008F8CEECE05}\TypeLib\ = "{4DE9677F-0C3C-48E2-884E-2E4AFFBB403C}"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4184 wrote to memory of 2004	4184	regsvr32.exe	83
PID 4184 wrote to memory of 2004	4184	regsvr32.exe	83
PID 4184 wrote to memory of 2004	4184	regsvr32.exe	83

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ie\MediaWatchV1home3259.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4184
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\ie\MediaWatchV1home3259.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2004

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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