Overview
overview
7Static
static
3VirusShare...b5.exe
windows7-x64
7VirusShare...b5.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/...393.js
windows7-x64
1ff/chrome/...393.js
windows10-2004-x64
1ff/chrome/...ion.js
windows7-x64
1ff/chrome/...ion.js
windows10-2004-x64
1ie/MediaWa...93.dll
windows7-x64
6ie/MediaWa...93.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
121s -
max time network
126s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
04/02/2024, 16:18
Static task
static1
Behavioral task
behavioral1
Sample
VirusShare_7eefa384bb45f1c587a6c0b9efdd25b5.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
VirusShare_7eefa384bb45f1c587a6c0b9efdd25b5.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
ffMediaWatchV1home2393chaction.js
Resource
win7-20231129-en
Behavioral task
behavioral6
Sample
ffMediaWatchV1home2393chaction.js
Resource
win10v2004-20231215-en
Behavioral task
behavioral7
Sample
ff/chrome/content/ffMediaWatchV1home2393.js
Resource
win7-20231215-en
Behavioral task
behavioral8
Sample
ff/chrome/content/ffMediaWatchV1home2393.js
Resource
win10v2004-20231215-en
Behavioral task
behavioral9
Sample
ff/chrome/content/ffMediaWatchV1home2393ffaction.js
Resource
win7-20231215-en
Behavioral task
behavioral10
Sample
ff/chrome/content/ffMediaWatchV1home2393ffaction.js
Resource
win10v2004-20231222-en
Behavioral task
behavioral11
Sample
ie/MediaWatchV1home2393.dll
Resource
win7-20231215-en
Behavioral task
behavioral12
Sample
ie/MediaWatchV1home2393.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral13
Sample
uninstall.exe
Resource
win7-20231215-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/MediaWatchV1home2393.dll
-
Size
85KB
-
MD5
8305af04e859cb3d2024fa461d340699
-
SHA1
67f82a7ea03052c499be604c1abce36fd8e46e55
-
SHA256
b2b03590b85bcf3f20f122d1ae2189bcb12ad6e0c2862072542dc549c492207f
-
SHA512
7cc58ffe224057cd4e281377f966904c478a0f003f61c6e84bcdd7deedcba800354584a87c9a25976e9ca19ba759032dd72ab32c400b1aa7405bc1e2e7df49ea
-
SSDEEP
1536:e8/1CsEmka04R5RtahrOb8Dkhb2HA9glQIJDZ:p12mka0EtahrO32guaIJD
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\{92e5b56a-ed9a-41d2-8b87-2e1980de674d} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{92e5b56a-ed9a-41d2-8b87-2e1980de674d}\ = "MediaWatchV1home2393" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{92e5b56a-ed9a-41d2-8b87-2e1980de674d}\NoExplorer = "1" regsvr32.exe -
Modifies registry class 34 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D592B338-02A2-4BB7-A463-EA52802CF369}\1.1\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F5054DF2-6DF2-4E63-ABB3-A0FF3AB7C2AD}\TypeLib\ = "{D592B338-02A2-4BB7-A463-EA52802CF369}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F5054DF2-6DF2-4E63-ABB3-A0FF3AB7C2AD}\TypeLib\Version = "1.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F5054DF2-6DF2-4E63-ABB3-A0FF3AB7C2AD}\TypeLib\Version = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{92e5b56a-ed9a-41d2-8b87-2e1980de674d} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{92e5b56a-ed9a-41d2-8b87-2e1980de674d}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{92e5b56a-ed9a-41d2-8b87-2e1980de674d}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D592B338-02A2-4BB7-A463-EA52802CF369}\1.1\FLAGS regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F5054DF2-6DF2-4E63-ABB3-A0FF3AB7C2AD}\TypeLib\ = "{D592B338-02A2-4BB7-A463-EA52802CF369}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{92e5b56a-ed9a-41d2-8b87-2e1980de674d}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D592B338-02A2-4BB7-A463-EA52802CF369}\1.1\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\MediaWatchV1home2393.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D592B338-02A2-4BB7-A463-EA52802CF369}\1.1\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F5054DF2-6DF2-4E63-ABB3-A0FF3AB7C2AD}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{92e5b56a-ed9a-41d2-8b87-2e1980de674d}\TypeLib\ = "{d592b338-02a2-4bb7-a463-ea52802cf369}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D592B338-02A2-4BB7-A463-EA52802CF369}\1.1\ = "MediaWatchV1home2393Lib" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D592B338-02A2-4BB7-A463-EA52802CF369}\1.1\HELPDIR regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F5054DF2-6DF2-4E63-ABB3-A0FF3AB7C2AD}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D592B338-02A2-4BB7-A463-EA52802CF369}\1.1 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F5054DF2-6DF2-4E63-ABB3-A0FF3AB7C2AD}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F5054DF2-6DF2-4E63-ABB3-A0FF3AB7C2AD}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F5054DF2-6DF2-4E63-ABB3-A0FF3AB7C2AD}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D592B338-02A2-4BB7-A463-EA52802CF369}\1.1\FLAGS\ = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F5054DF2-6DF2-4E63-ABB3-A0FF3AB7C2AD} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F5054DF2-6DF2-4E63-ABB3-A0FF3AB7C2AD}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{92e5b56a-ed9a-41d2-8b87-2e1980de674d}\ = "MediaWatchV1home2393" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{92e5b56a-ed9a-41d2-8b87-2e1980de674d}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F5054DF2-6DF2-4E63-ABB3-A0FF3AB7C2AD} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F5054DF2-6DF2-4E63-ABB3-A0FF3AB7C2AD}\ = "IMediaWatchV1home2393BHO" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D592B338-02A2-4BB7-A463-EA52802CF369}\1.1\0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F5054DF2-6DF2-4E63-ABB3-A0FF3AB7C2AD}\ = "IMediaWatchV1home2393BHO" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{92e5b56a-ed9a-41d2-8b87-2e1980de674d}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\MediaWatchV1home2393.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{92e5b56a-ed9a-41d2-8b87-2e1980de674d}\Version regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{92e5b56a-ed9a-41d2-8b87-2e1980de674d}\Version\ = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D592B338-02A2-4BB7-A463-EA52802CF369} regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2124 wrote to memory of 2284 2124 regsvr32.exe 28 PID 2124 wrote to memory of 2284 2124 regsvr32.exe 28 PID 2124 wrote to memory of 2284 2124 regsvr32.exe 28 PID 2124 wrote to memory of 2284 2124 regsvr32.exe 28 PID 2124 wrote to memory of 2284 2124 regsvr32.exe 28 PID 2124 wrote to memory of 2284 2124 regsvr32.exe 28 PID 2124 wrote to memory of 2284 2124 regsvr32.exe 28
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\ie\MediaWatchV1home2393.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2124 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\ie\MediaWatchV1home2393.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:2284
-