Overview
overview
7Static
static
3VirusShare...2c.exe
windows7-x64
7VirusShare...2c.exe
windows10-2004-x64
7$PLUGINSDI...is.dll
windows7-x64
3$PLUGINSDI...is.dll
windows10-2004-x64
3ffRichMedi...ion.js
windows7-x64
1ffRichMedi...ion.js
windows10-2004-x64
1ff/chrome/...234.js
windows7-x64
1ff/chrome/...234.js
windows10-2004-x64
1ff/chrome/...ion.js
windows7-x64
1ff/chrome/...ion.js
windows10-2004-x64
1ie/RichMed...34.dll
windows7-x64
6ie/RichMed...34.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
95s -
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, 16:21
Static task
static1
Behavioral task
behavioral1
Sample
VirusShare_de1d9d35a790080138c0aa5efd78ac2c.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
VirusShare_de1d9d35a790080138c0aa5efd78ac2c.exe
Resource
win10v2004-20231222-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
ffRichMediaViewV1release234chaction.js
Resource
win7-20231129-en
Behavioral task
behavioral6
Sample
ffRichMediaViewV1release234chaction.js
Resource
win10v2004-20231222-en
Behavioral task
behavioral7
Sample
ff/chrome/content/ffRichMediaViewV1release234.js
Resource
win7-20231215-en
Behavioral task
behavioral8
Sample
ff/chrome/content/ffRichMediaViewV1release234.js
Resource
win10v2004-20231222-en
Behavioral task
behavioral9
Sample
ff/chrome/content/ffRichMediaViewV1release234ffaction.js
Resource
win7-20231215-en
Behavioral task
behavioral10
Sample
ff/chrome/content/ffRichMediaViewV1release234ffaction.js
Resource
win10v2004-20231215-en
Behavioral task
behavioral11
Sample
ie/RichMediaViewV1release234.dll
Resource
win7-20231215-en
Behavioral task
behavioral12
Sample
ie/RichMediaViewV1release234.dll
Resource
win10v2004-20231215-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
win10v2004-20231222-en
General
-
Target
ie/RichMediaViewV1release234.dll
-
Size
85KB
-
MD5
54172d2c0816ec37f97ea8fdef19b247
-
SHA1
a44af12822a1567276bedf0dd148bb6dc6e94b78
-
SHA256
a05699032c4a81e650a626ca06bd8eb84b721d1884651972e8ac4027befcabc0
-
SHA512
b41411b71139ab023e4e69fa16a066dd0bb8d1712d860ef69446c40229a0b3481a1c6dc9466f8b7701923761bd6fcc5f51e099f89ce27290c6502a0f2f0d134a
-
SSDEEP
1536:Bkf9Csc+EE7Msd5N60GlVk8jkrwA1nqLhPLlQ2xxJdBZ:S9++EEwsJ6FlVA1nma2xXt
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\{e79db0fa-cda8-4083-b5c6-ed1ad181a9fc}\NoExplorer = "1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{e79db0fa-cda8-4083-b5c6-ed1ad181a9fc} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{e79db0fa-cda8-4083-b5c6-ed1ad181a9fc}\ = "RichMediaViewV1release234" regsvr32.exe -
Modifies registry class 34 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{78690644-8DA1-4D46-BB8D-032494388AD4}\1.1\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e79db0fa-cda8-4083-b5c6-ed1ad181a9fc}\ = "RichMediaViewV1release234" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e79db0fa-cda8-4083-b5c6-ed1ad181a9fc}\Version\ = "1.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{995D9358-246D-4577-B8A7-8CFC732DE2C3}\TypeLib\ = "{78690644-8DA1-4D46-BB8D-032494388AD4}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{78690644-8DA1-4D46-BB8D-032494388AD4}\1.1\0\win32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e79db0fa-cda8-4083-b5c6-ed1ad181a9fc}\Programmable regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{78690644-8DA1-4D46-BB8D-032494388AD4}\1.1\ = "RichMediaViewV1release234Lib" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{78690644-8DA1-4D46-BB8D-032494388AD4}\1.1\FLAGS regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{995D9358-246D-4577-B8A7-8CFC732DE2C3}\TypeLib\ = "{78690644-8DA1-4D46-BB8D-032494388AD4}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{995D9358-246D-4577-B8A7-8CFC732DE2C3}\ = "IRichMediaViewV1release234BHO" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e79db0fa-cda8-4083-b5c6-ed1ad181a9fc}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e79db0fa-cda8-4083-b5c6-ed1ad181a9fc}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{78690644-8DA1-4D46-BB8D-032494388AD4}\1.1\HELPDIR regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{995D9358-246D-4577-B8A7-8CFC732DE2C3}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e79db0fa-cda8-4083-b5c6-ed1ad181a9fc}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\RichMediaViewV1release234.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e79db0fa-cda8-4083-b5c6-ed1ad181a9fc}\Version regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{995D9358-246D-4577-B8A7-8CFC732DE2C3} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{995D9358-246D-4577-B8A7-8CFC732DE2C3}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{995D9358-246D-4577-B8A7-8CFC732DE2C3}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{995D9358-246D-4577-B8A7-8CFC732DE2C3}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{995D9358-246D-4577-B8A7-8CFC732DE2C3} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{995D9358-246D-4577-B8A7-8CFC732DE2C3}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{78690644-8DA1-4D46-BB8D-032494388AD4} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{78690644-8DA1-4D46-BB8D-032494388AD4}\1.1\FLAGS\ = "0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{78690644-8DA1-4D46-BB8D-032494388AD4}\1.1\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\RichMediaViewV1release234.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{995D9358-246D-4577-B8A7-8CFC732DE2C3}\ = "IRichMediaViewV1release234BHO" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{78690644-8DA1-4D46-BB8D-032494388AD4}\1.1\0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{995D9358-246D-4577-B8A7-8CFC732DE2C3}\TypeLib\Version = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{995D9358-246D-4577-B8A7-8CFC732DE2C3}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{995D9358-246D-4577-B8A7-8CFC732DE2C3}\TypeLib\Version = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e79db0fa-cda8-4083-b5c6-ed1ad181a9fc} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e79db0fa-cda8-4083-b5c6-ed1ad181a9fc}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e79db0fa-cda8-4083-b5c6-ed1ad181a9fc}\TypeLib\ = "{78690644-8da1-4d46-bb8d-032494388ad4}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{78690644-8DA1-4D46-BB8D-032494388AD4}\1.1 regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 332 wrote to memory of 4328 332 regsvr32.exe 85 PID 332 wrote to memory of 4328 332 regsvr32.exe 85 PID 332 wrote to memory of 4328 332 regsvr32.exe 85
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\ie\RichMediaViewV1release234.dll1⤵
- Suspicious use of WriteProcessMemory
PID:332 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\ie\RichMediaViewV1release234.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:4328
-