Overview
overview
7Static
static
3VirusShare...0e.exe
windows7-x64
7VirusShare...0e.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/...663.js
windows7-x64
1ff/chrome/...663.js
windows10-2004-x64
1ff/chrome/...ion.js
windows7-x64
1ff/chrome/...ion.js
windows10-2004-x64
1ie/RichMed...63.dll
windows7-x64
6ie/RichMed...63.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
118s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
04/02/2024, 16:23
Static task
static1
Behavioral task
behavioral1
Sample
VirusShare_6562d6e281850ba1684490ac9555280e.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
VirusShare_6562d6e281850ba1684490ac9555280e.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
ffRichMediaViewV1release663chaction.js
Resource
win7-20231129-en
Behavioral task
behavioral6
Sample
ffRichMediaViewV1release663chaction.js
Resource
win10v2004-20231222-en
Behavioral task
behavioral7
Sample
ff/chrome/content/ffRichMediaViewV1release663.js
Resource
win7-20231215-en
Behavioral task
behavioral8
Sample
ff/chrome/content/ffRichMediaViewV1release663.js
Resource
win10v2004-20231215-en
Behavioral task
behavioral9
Sample
ff/chrome/content/ffRichMediaViewV1release663ffaction.js
Resource
win7-20231129-en
Behavioral task
behavioral10
Sample
ff/chrome/content/ffRichMediaViewV1release663ffaction.js
Resource
win10v2004-20231222-en
Behavioral task
behavioral11
Sample
ie/RichMediaViewV1release663.dll
Resource
win7-20231215-en
Behavioral task
behavioral12
Sample
ie/RichMediaViewV1release663.dll
Resource
win10v2004-20231222-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/RichMediaViewV1release663.dll
-
Size
85KB
-
MD5
5ba84d8f7b5f9130650fe1a1eb96d9b4
-
SHA1
279139e03e6acd4d790d1048880ef3641a2f55b4
-
SHA256
7d2cc860259c82b78e8c32469577a3c20a32773372e5d60c2fe775edd701f87a
-
SHA512
c64d45a66e1464e83e864e596471c3652abf824c0b1707fa2ac0b18e8afa9110f1ea7468c1df0180c8626fe97a251e9ef3cdefada8dd7f9cdc7a5fd5e4ba7824
-
SSDEEP
1536:6kf9Csc+EE7Msd5N60GlVk8jkrwBinqLhPLlQ8l4NBZ:t9++EEwsJ6FlVBinma8l4d
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\{9bd466cd-a55c-43f7-a2ca-1283e27a5480} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{9bd466cd-a55c-43f7-a2ca-1283e27a5480}\ = "RichMediaViewV1release663" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{9bd466cd-a55c-43f7-a2ca-1283e27a5480}\NoExplorer = "1" regsvr32.exe -
Modifies registry class 34 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9bd466cd-a55c-43f7-a2ca-1283e27a5480}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0AE1B0D8-0086-46F6-BB18-975CDC8558D3}\1.1\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BDC2BE37-838E-45DB-A5E7-75B470D0F4D7}\ = "IRichMediaViewV1release663BHO" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9bd466cd-a55c-43f7-a2ca-1283e27a5480}\TypeLib\ = "{0ae1b0d8-0086-46f6-bb18-975cdc8558d3}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0AE1B0D8-0086-46F6-BB18-975CDC8558D3}\1.1\FLAGS regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0AE1B0D8-0086-46F6-BB18-975CDC8558D3}\1.1\0\win32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BDC2BE37-838E-45DB-A5E7-75B470D0F4D7}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BDC2BE37-838E-45DB-A5E7-75B470D0F4D7}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BDC2BE37-838E-45DB-A5E7-75B470D0F4D7}\TypeLib\Version = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9bd466cd-a55c-43f7-a2ca-1283e27a5480}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9bd466cd-a55c-43f7-a2ca-1283e27a5480}\Version\ = "1.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0AE1B0D8-0086-46F6-BB18-975CDC8558D3}\1.1\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\RichMediaViewV1release663.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BDC2BE37-838E-45DB-A5E7-75B470D0F4D7}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BDC2BE37-838E-45DB-A5E7-75B470D0F4D7}\ = "IRichMediaViewV1release663BHO" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BDC2BE37-838E-45DB-A5E7-75B470D0F4D7}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BDC2BE37-838E-45DB-A5E7-75B470D0F4D7}\TypeLib\ = "{0AE1B0D8-0086-46F6-BB18-975CDC8558D3}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9bd466cd-a55c-43f7-a2ca-1283e27a5480}\ = "RichMediaViewV1release663" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9bd466cd-a55c-43f7-a2ca-1283e27a5480}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9bd466cd-a55c-43f7-a2ca-1283e27a5480}\Version regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9bd466cd-a55c-43f7-a2ca-1283e27a5480} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0AE1B0D8-0086-46F6-BB18-975CDC8558D3}\1.1\ = "RichMediaViewV1release663Lib" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0AE1B0D8-0086-46F6-BB18-975CDC8558D3}\1.1\0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0AE1B0D8-0086-46F6-BB18-975CDC8558D3}\1.1\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BDC2BE37-838E-45DB-A5E7-75B470D0F4D7}\TypeLib\Version = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BDC2BE37-838E-45DB-A5E7-75B470D0F4D7} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9bd466cd-a55c-43f7-a2ca-1283e27a5480}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\RichMediaViewV1release663.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0AE1B0D8-0086-46F6-BB18-975CDC8558D3}\1.1 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0AE1B0D8-0086-46F6-BB18-975CDC8558D3}\1.1\FLAGS\ = "0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BDC2BE37-838E-45DB-A5E7-75B470D0F4D7}\TypeLib\ = "{0AE1B0D8-0086-46F6-BB18-975CDC8558D3}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9bd466cd-a55c-43f7-a2ca-1283e27a5480}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0AE1B0D8-0086-46F6-BB18-975CDC8558D3} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BDC2BE37-838E-45DB-A5E7-75B470D0F4D7} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BDC2BE37-838E-45DB-A5E7-75B470D0F4D7}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BDC2BE37-838E-45DB-A5E7-75B470D0F4D7}\TypeLib regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2028 wrote to memory of 2540 2028 regsvr32.exe 28 PID 2028 wrote to memory of 2540 2028 regsvr32.exe 28 PID 2028 wrote to memory of 2540 2028 regsvr32.exe 28 PID 2028 wrote to memory of 2540 2028 regsvr32.exe 28 PID 2028 wrote to memory of 2540 2028 regsvr32.exe 28 PID 2028 wrote to memory of 2540 2028 regsvr32.exe 28 PID 2028 wrote to memory of 2540 2028 regsvr32.exe 28
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\ie\RichMediaViewV1release663.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2028 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\ie\RichMediaViewV1release663.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:2540
-