Overview
overview
7Static
static
3VirusShare...b1.exe
windows7-x64
7VirusShare...b1.exe
windows10-2004-x64
7$PLUGINSDI...is.dll
windows7-x64
3$PLUGINSDI...is.dll
windows10-2004-x64
3ffMediaWat...ion.js
windows7-x64
1ffMediaWat...ion.js
windows10-2004-x64
1ff/chrome/...721.js
windows7-x64
1ff/chrome/...721.js
windows10-2004-x64
1ff/chrome/...ion.js
windows7-x64
1ff/chrome/...ion.js
windows10-2004-x64
1ie/MediaWa...21.dll
windows7-x64
6ie/MediaWa...21.dll
windows10-2004-x64
6uninstall.exe
windows7-x64
7uninstall.exe
windows10-2004-x64
7$PLUGINSDI...is.dll
windows7-x64
3$PLUGINSDI...is.dll
windows10-2004-x64
3Analysis
-
max time kernel
91s -
max time network
157s -
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, 16:16
Static task
static1
Behavioral task
behavioral1
Sample
VirusShare_909e8c66ce11649ae9e2564bfd6069b1.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
VirusShare_909e8c66ce11649ae9e2564bfd6069b1.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/aminsis.dll
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/aminsis.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral5
Sample
ffMediaWatchV1home1721chaction.js
Resource
win7-20231215-en
Behavioral task
behavioral6
Sample
ffMediaWatchV1home1721chaction.js
Resource
win10v2004-20231215-en
Behavioral task
behavioral7
Sample
ff/chrome/content/ffMediaWatchV1home1721.js
Resource
win7-20231215-en
Behavioral task
behavioral8
Sample
ff/chrome/content/ffMediaWatchV1home1721.js
Resource
win10v2004-20231215-en
Behavioral task
behavioral9
Sample
ff/chrome/content/ffMediaWatchV1home1721ffaction.js
Resource
win7-20231129-en
Behavioral task
behavioral10
Sample
ff/chrome/content/ffMediaWatchV1home1721ffaction.js
Resource
win10v2004-20231215-en
Behavioral task
behavioral11
Sample
ie/MediaWatchV1home1721.dll
Resource
win7-20231129-en
Behavioral task
behavioral12
Sample
ie/MediaWatchV1home1721.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral13
Sample
uninstall.exe
Resource
win7-20231215-en
Behavioral task
behavioral14
Sample
uninstall.exe
Resource
win10v2004-20231222-en
Behavioral task
behavioral15
Sample
$PLUGINSDIR/aminsis.dll
Resource
win7-20231215-en
Behavioral task
behavioral16
Sample
$PLUGINSDIR/aminsis.dll
Resource
win10v2004-20231222-en
General
-
Target
ie/MediaWatchV1home1721.dll
-
Size
85KB
-
MD5
2a580cc0f744c5447e8e83e62b2f59fc
-
SHA1
99b056fee3a1cc0ad9865735c49fd05c62207993
-
SHA256
92d4fcad2f1c9e9bc1b9a1150a2fb9ba1d59ec8730897a055ab6ce17689558c1
-
SHA512
36f49a20f13d9de60997bd306b00e744aebd307fbe959ffd4aa9c89deb112a9563699852d109cc35875c41c3a2e3cf5a2bf29548502bb78edf7ada5d8fec2bbd
-
SSDEEP
1536:m8/1CsEmka04RhRtahrOb8DkhFXHA9glQVFQ5:h12mka0ElahrOZXguaVFQ
Malware Config
Signatures
-
Installs/modifies Browser Helper Object 2 TTPs 3 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{9d12e094-c805-45fa-8e9f-6abb7dcf8b77}\NoExplorer = "1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{9d12e094-c805-45fa-8e9f-6abb7dcf8b77} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{9d12e094-c805-45fa-8e9f-6abb7dcf8b77}\ = "MediaWatchV1home1721" regsvr32.exe -
Modifies registry class 34 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{35F317AC-484E-49FF-98E7-18567ACC6C47}\TypeLib\ = "{C96BC771-7B36-4AC4-9959-1376C8CE1397}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9d12e094-c805-45fa-8e9f-6abb7dcf8b77}\Version regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C96BC771-7B36-4AC4-9959-1376C8CE1397}\1.1\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\MediaWatchV1home1721.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C96BC771-7B36-4AC4-9959-1376C8CE1397}\1.1\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C96BC771-7B36-4AC4-9959-1376C8CE1397} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C96BC771-7B36-4AC4-9959-1376C8CE1397}\1.1\FLAGS regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9d12e094-c805-45fa-8e9f-6abb7dcf8b77} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{35F317AC-484E-49FF-98E7-18567ACC6C47}\ = "IMediaWatchV1home1721BHO" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{35F317AC-484E-49FF-98E7-18567ACC6C47}\ = "IMediaWatchV1home1721BHO" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{35F317AC-484E-49FF-98E7-18567ACC6C47}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9d12e094-c805-45fa-8e9f-6abb7dcf8b77}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C96BC771-7B36-4AC4-9959-1376C8CE1397}\1.1\HELPDIR regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{35F317AC-484E-49FF-98E7-18567ACC6C47} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{35F317AC-484E-49FF-98E7-18567ACC6C47} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C96BC771-7B36-4AC4-9959-1376C8CE1397}\1.1 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C96BC771-7B36-4AC4-9959-1376C8CE1397}\1.1\FLAGS\ = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9d12e094-c805-45fa-8e9f-6abb7dcf8b77}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9d12e094-c805-45fa-8e9f-6abb7dcf8b77}\TypeLib\ = "{c96bc771-7b36-4ac4-9959-1376c8ce1397}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C96BC771-7B36-4AC4-9959-1376C8CE1397}\1.1\0\win32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{35F317AC-484E-49FF-98E7-18567ACC6C47}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{35F317AC-484E-49FF-98E7-18567ACC6C47}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{35F317AC-484E-49FF-98E7-18567ACC6C47}\TypeLib\Version = "1.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9d12e094-c805-45fa-8e9f-6abb7dcf8b77}\ = "MediaWatchV1home1721" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9d12e094-c805-45fa-8e9f-6abb7dcf8b77}\Programmable regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{35F317AC-484E-49FF-98E7-18567ACC6C47}\TypeLib\ = "{C96BC771-7B36-4AC4-9959-1376C8CE1397}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C96BC771-7B36-4AC4-9959-1376C8CE1397}\1.1\ = "MediaWatchV1home1721Lib" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C96BC771-7B36-4AC4-9959-1376C8CE1397}\1.1\0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{35F317AC-484E-49FF-98E7-18567ACC6C47}\TypeLib\Version = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9d12e094-c805-45fa-8e9f-6abb7dcf8b77}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9d12e094-c805-45fa-8e9f-6abb7dcf8b77}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\MediaWatchV1home1721.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{35F317AC-484E-49FF-98E7-18567ACC6C47}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{35F317AC-484E-49FF-98E7-18567ACC6C47}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9d12e094-c805-45fa-8e9f-6abb7dcf8b77}\Version\ = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{35F317AC-484E-49FF-98E7-18567ACC6C47}\ProxyStubClsid32 regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4112 wrote to memory of 3488 4112 regsvr32.exe 84 PID 4112 wrote to memory of 3488 4112 regsvr32.exe 84 PID 4112 wrote to memory of 3488 4112 regsvr32.exe 84
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\ie\MediaWatchV1home1721.dll1⤵
- Suspicious use of WriteProcessMemory
PID:4112 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\ie\MediaWatchV1home1721.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:3488
-