Overview
overview
7Static
static
3VirusShare...21.exe
windows7-x64
7VirusShare...21.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/...988.js
windows7-x64
1ff/chrome/...988.js
windows10-2004-x64
1ff/chrome/...ion.js
windows7-x64
1ff/chrome/...ion.js
windows10-2004-x64
1ie/MediaWa...88.dll
windows7-x64
6ie/MediaWa...88.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
117s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
04/02/2024, 14:44
Static task
static1
Behavioral task
behavioral1
Sample
VirusShare_3924de009f8a47580a68ca1b26cf6521.exe
Resource
win7-20231215-en
windows7-x64
Behavioral task
behavioral2
Sample
VirusShare_3924de009f8a47580a68ca1b26cf6521.exe
Resource
win10v2004-20231215-en
windows10-2004-x64
Behavioral task
behavioral3
Sample
$PLUGINSDIR/aminsis.dll
Resource
win7-20231215-en
windows7-x64
Behavioral task
behavioral4
Sample
$PLUGINSDIR/aminsis.dll
Resource
win10v2004-20231215-en
windows10-2004-x64
Behavioral task
behavioral5
Sample
ffMediaWatchV1home2988chaction.js
Resource
win7-20231215-en
windows7-x64
Behavioral task
behavioral6
Sample
ffMediaWatchV1home2988chaction.js
Resource
win10v2004-20231215-en
windows10-2004-x64
Behavioral task
behavioral7
Sample
ff/chrome/content/ffMediaWatchV1home2988.js
Resource
win7-20231215-en
windows7-x64
Behavioral task
behavioral8
Sample
ff/chrome/content/ffMediaWatchV1home2988.js
Resource
win10v2004-20231222-en
windows10-2004-x64
Behavioral task
behavioral9
Sample
ff/chrome/content/ffMediaWatchV1home2988ffaction.js
Resource
win7-20231215-en
windows7-x64
Behavioral task
behavioral10
Sample
ff/chrome/content/ffMediaWatchV1home2988ffaction.js
Resource
win10v2004-20231222-en
windows10-2004-x64
Behavioral task
behavioral11
Sample
ie/MediaWatchV1home2988.dll
Resource
win7-20231129-en
windows7-x64
Behavioral task
behavioral12
Sample
ie/MediaWatchV1home2988.dll
Resource
win10v2004-20231215-en
windows10-2004-x64
Behavioral task
behavioral13
Sample
uninstall.exe
Resource
win7-20231215-en
windows7-x64
Behavioral task
behavioral14
Sample
uninstall.exe
Resource
win10v2004-20231215-en
windows10-2004-x64
Behavioral task
behavioral15
Sample
$PLUGINSDIR/aminsis.dll
Resource
win7-20231215-en
windows7-x64
Behavioral task
behavioral16
Sample
$PLUGINSDIR/aminsis.dll
Resource
win10v2004-20231215-en
windows10-2004-x64
General
-
Target
ie/MediaWatchV1home2988.dll
-
Size
85KB
-
MD5
f971fe00ce8ccf96d625f5f5f84be51c
-
SHA1
8310fa60c440eb04ec5b3f720c4d5386642f493a
-
SHA256
73dc6614258f4399eebac821911c1b8e57c77392479495f9ef0d53e3bcf8484a
-
SHA512
bab24d24348a1d24925a11dc8c911a229d3eedb15ff61bdcb655f8ef2e2927c780d3ab296d9b909c593b177397cc668737dff26efb445cb686292234f75cc61b
-
SSDEEP
1536:JP8/1CsEmka04RhRtahrOb8DkhtHHA9glQglpp:S12mka0ElahrOhHguaglp
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 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\Interface\{4A39806A-5278-490A-8D1D-2FEF9ED86617} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{24b28930-33a0-4197-82a7-75e93f37868d}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{89EC9409-4AEB-465C-9FF6-418046EEC868} 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\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\ThreadingModel = "Apartment" 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}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4A39806A-5278-490A-8D1D-2FEF9ED86617} 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 Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{4A39806A-5278-490A-8D1D-2FEF9ED86617}\ = "IMediaWatchV1home2988BHO" 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\Interface\{4A39806A-5278-490A-8D1D-2FEF9ED86617}\TypeLib 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\TypeLib\{89EC9409-4AEB-465C-9FF6-418046EEC868}\1.1\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{4A39806A-5278-490A-8D1D-2FEF9ED86617}\TypeLib\ = "{89EC9409-4AEB-465C-9FF6-418046EEC868}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{4A39806A-5278-490A-8D1D-2FEF9ED86617}\TypeLib\Version = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{89EC9409-4AEB-465C-9FF6-418046EEC868}\1.1\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\Interface\{4A39806A-5278-490A-8D1D-2FEF9ED86617}\TypeLib\Version = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{24b28930-33a0-4197-82a7-75e93f37868d} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{24b28930-33a0-4197-82a7-75e93f37868d}\ = "MediaWatchV1home2988" regsvr32.exe 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}\Version regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{24b28930-33a0-4197-82a7-75e93f37868d}\TypeLib\ = "{89ec9409-4aeb-465c-9ff6-418046eec868}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{24b28930-33a0-4197-82a7-75e93f37868d}\Version\ = "1.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{89EC9409-4AEB-465C-9FF6-418046EEC868}\1.1\ = "MediaWatchV1home2988Lib" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{89EC9409-4AEB-465C-9FF6-418046EEC868}\1.1\FLAGS\ = "0" 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}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{89EC9409-4AEB-465C-9FF6-418046EEC868}\1.1 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{89EC9409-4AEB-465C-9FF6-418046EEC868}\1.1\FLAGS 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 -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1736 wrote to memory of 760 1736 regsvr32.exe 28 PID 1736 wrote to memory of 760 1736 regsvr32.exe 28 PID 1736 wrote to memory of 760 1736 regsvr32.exe 28 PID 1736 wrote to memory of 760 1736 regsvr32.exe 28 PID 1736 wrote to memory of 760 1736 regsvr32.exe 28 PID 1736 wrote to memory of 760 1736 regsvr32.exe 28 PID 1736 wrote to memory of 760 1736 regsvr32.exe 28
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\ie\MediaWatchV1home2988.dll1⤵
- Suspicious use of WriteProcessMemory
PID:1736 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\ie\MediaWatchV1home2988.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:760
-