Overview
overview
7Static
static
3VirusShare...20.exe
windows7-x64
7VirusShare...20.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/...612.js
windows7-x64
1ff/chrome/...612.js
windows10-2004-x64
1ff/chrome/...ion.js
windows7-x64
1ff/chrome/...ion.js
windows10-2004-x64
1ie/MediaWa...12.dll
windows7-x64
6ie/MediaWa...12.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
88s -
max time network
149s -
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, 20:44
Static task
static1
Behavioral task
behavioral1
Sample
VirusShare_e61e3348ca9eab9c592a53d40e006120.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
VirusShare_e61e3348ca9eab9c592a53d40e006120.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/aminsis.dll
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/aminsis.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral5
Sample
ffMediaWatchV1home612chaction.js
Resource
win7-20231129-en
Behavioral task
behavioral6
Sample
ffMediaWatchV1home612chaction.js
Resource
win10v2004-20231215-en
Behavioral task
behavioral7
Sample
ff/chrome/content/ffMediaWatchV1home612.js
Resource
win7-20231215-en
Behavioral task
behavioral8
Sample
ff/chrome/content/ffMediaWatchV1home612.js
Resource
win10v2004-20231215-en
Behavioral task
behavioral9
Sample
ff/chrome/content/ffMediaWatchV1home612ffaction.js
Resource
win7-20231129-en
Behavioral task
behavioral10
Sample
ff/chrome/content/ffMediaWatchV1home612ffaction.js
Resource
win10v2004-20231222-en
Behavioral task
behavioral11
Sample
ie/MediaWatchV1home612.dll
Resource
win7-20231215-en
Behavioral task
behavioral12
Sample
ie/MediaWatchV1home612.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral13
Sample
uninstall.exe
Resource
win7-20231129-en
Behavioral task
behavioral14
Sample
uninstall.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral15
Sample
$PLUGINSDIR/aminsis.dll
Resource
win7-20231215-en
Behavioral task
behavioral16
Sample
$PLUGINSDIR/aminsis.dll
Resource
win10v2004-20231215-en
General
-
Target
ie/MediaWatchV1home612.dll
-
Size
85KB
-
MD5
401552c001771a3f22d05cf98bd839c0
-
SHA1
710b8c3443ab3e3c682b66180a11d97148bb0b58
-
SHA256
ada2c7ac1d452d65e5c61defb5c7aeaa4bf85bdb9c943c4688440a1084b3439c
-
SHA512
5b76b3346320d03b5f81025a1966c9d4ebb246d8cfb077af2bb7baaf57a3fb9df1c351b8fd38d5e9d89fe48fe7bb5d859f8066600afeb00f6fc141acbf8f5d08
-
SSDEEP
1536:93flScQkGMA5tasrOb8Dk9lhHgNglQS4Xd:llikGMAbasrO5hA+aS4N
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\{faef50a6-e452-483d-9db0-32b4893e3443}\NoExplorer = "1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{faef50a6-e452-483d-9db0-32b4893e3443} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{faef50a6-e452-483d-9db0-32b4893e3443}\ = "MediaWatchV1home612" regsvr32.exe -
Modifies registry class 34 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{23C07C85-E79A-4B0E-A032-BB3BE9D18B74}\TypeLib\ = "{D08F6E4F-7EB9-4E56-8B57-2200F86D3F61}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{23C07C85-E79A-4B0E-A032-BB3BE9D18B74}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{faef50a6-e452-483d-9db0-32b4893e3443}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\MediaWatchV1home612.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D08F6E4F-7EB9-4E56-8B57-2200F86D3F61}\1.1\ = "MediaWatchV1home612Lib" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D08F6E4F-7EB9-4E56-8B57-2200F86D3F61}\1.1\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\MediaWatchV1home612.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D08F6E4F-7EB9-4E56-8B57-2200F86D3F61}\1.1\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D08F6E4F-7EB9-4E56-8B57-2200F86D3F61}\1.1\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{faef50a6-e452-483d-9db0-32b4893e3443}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D08F6E4F-7EB9-4E56-8B57-2200F86D3F61}\1.1\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{23C07C85-E79A-4B0E-A032-BB3BE9D18B74} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{23C07C85-E79A-4B0E-A032-BB3BE9D18B74}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{23C07C85-E79A-4B0E-A032-BB3BE9D18B74}\ = "IMediaWatchV1home612BHO" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{23C07C85-E79A-4B0E-A032-BB3BE9D18B74}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{faef50a6-e452-483d-9db0-32b4893e3443}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{faef50a6-e452-483d-9db0-32b4893e3443}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{faef50a6-e452-483d-9db0-32b4893e3443}\Version regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D08F6E4F-7EB9-4E56-8B57-2200F86D3F61}\1.1 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D08F6E4F-7EB9-4E56-8B57-2200F86D3F61}\1.1\FLAGS\ = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{23C07C85-E79A-4B0E-A032-BB3BE9D18B74}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{23C07C85-E79A-4B0E-A032-BB3BE9D18B74}\TypeLib\Version = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{23C07C85-E79A-4B0E-A032-BB3BE9D18B74}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{23C07C85-E79A-4B0E-A032-BB3BE9D18B74}\TypeLib\ = "{D08F6E4F-7EB9-4E56-8B57-2200F86D3F61}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{23C07C85-E79A-4B0E-A032-BB3BE9D18B74}\TypeLib\Version = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{faef50a6-e452-483d-9db0-32b4893e3443}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{faef50a6-e452-483d-9db0-32b4893e3443}\TypeLib\ = "{d08f6e4f-7eb9-4e56-8b57-2200f86d3f61}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D08F6E4F-7EB9-4E56-8B57-2200F86D3F61}\1.1\0\win32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{23C07C85-E79A-4B0E-A032-BB3BE9D18B74} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{faef50a6-e452-483d-9db0-32b4893e3443} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{23C07C85-E79A-4B0E-A032-BB3BE9D18B74}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{23C07C85-E79A-4B0E-A032-BB3BE9D18B74}\ = "IMediaWatchV1home612BHO" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{faef50a6-e452-483d-9db0-32b4893e3443}\ = "MediaWatchV1home612" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{faef50a6-e452-483d-9db0-32b4893e3443}\Version\ = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D08F6E4F-7EB9-4E56-8B57-2200F86D3F61} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D08F6E4F-7EB9-4E56-8B57-2200F86D3F61}\1.1\FLAGS regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 820 wrote to memory of 1656 820 regsvr32.exe 86 PID 820 wrote to memory of 1656 820 regsvr32.exe 86 PID 820 wrote to memory of 1656 820 regsvr32.exe 86
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\ie\MediaWatchV1home612.dll1⤵
- Suspicious use of WriteProcessMemory
PID:820 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\ie\MediaWatchV1home612.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:1656
-