Overview
overview
7Static
static
3VirusShare...9c.exe
windows7-x64
7VirusShare...9c.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/...e93.js
windows7-x64
1ff/chrome/...e93.js
windows10-2004-x64
1ff/chrome/...ion.js
windows7-x64
1ff/chrome/...ion.js
windows10-2004-x64
1ie/RichMed...93.dll
windows7-x64
6ie/RichMed...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
127s -
max time network
170s -
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 20:49
Static task
static1
Behavioral task
behavioral1
Sample
VirusShare_35ce2d24d96aa1a1e460e19cb2f9f69c.exe
Resource
win7-20231129-en
windows7-x64
Behavioral task
behavioral2
Sample
VirusShare_35ce2d24d96aa1a1e460e19cb2f9f69c.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
win10v2004-20231222-en
windows10-2004-x64
Behavioral task
behavioral5
Sample
ffRichMediaViewV1release93chaction.js
Resource
win7-20231129-en
windows7-x64
Behavioral task
behavioral6
Sample
ffRichMediaViewV1release93chaction.js
Resource
win10v2004-20231222-en
windows10-2004-x64
Behavioral task
behavioral7
Sample
ff/chrome/content/ffRichMediaViewV1release93.js
Resource
win7-20231215-en
windows7-x64
Behavioral task
behavioral8
Sample
ff/chrome/content/ffRichMediaViewV1release93.js
Resource
win10v2004-20231215-en
windows10-2004-x64
Behavioral task
behavioral9
Sample
ff/chrome/content/ffRichMediaViewV1release93ffaction.js
Resource
win7-20231215-en
windows7-x64
Behavioral task
behavioral10
Sample
ff/chrome/content/ffRichMediaViewV1release93ffaction.js
Resource
win10v2004-20231215-en
windows10-2004-x64
Behavioral task
behavioral11
Sample
ie/RichMediaViewV1release93.dll
Resource
win7-20231215-en
windows7-x64
Behavioral task
behavioral12
Sample
ie/RichMediaViewV1release93.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
win10v2004-20231222-en
windows10-2004-x64
Behavioral task
behavioral15
Sample
$PLUGINSDIR/aminsis.dll
Resource
win7-20231129-en
windows7-x64
Behavioral task
behavioral16
Sample
$PLUGINSDIR/aminsis.dll
Resource
win10v2004-20231215-en
windows10-2004-x64
General
-
Target
ie/RichMediaViewV1release93.dll
-
Size
85KB
-
MD5
dbf723dbfe76e71fa975e999b3f1bef9
-
SHA1
be09bb595c52a2e1dc43583a72826a99c7e84684
-
SHA256
9b83ab1f0841cfdb84981f0cb279acef984a877b8b1661129aac33abbe824901
-
SHA512
d7b0cfd3cc2bc0d1827f5ec684bbddfde2f13e601cbedc8967b8a59062f1c6b7601bf4c422e7845a1f8f67b2e9cd5da828133c2ed9b7c55c851017a517a22ecf
-
SSDEEP
1536:Nc/9Cs8ekkcEDtqJ6Zk8DkQpxnLlQLDwUpY:G9eekkcEJqJ6ZFpxLaLDwn
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\{d013435b-079c-46b5-a4e5-eff03c26c542}\NoExplorer = "1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{d013435b-079c-46b5-a4e5-eff03c26c542} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{d013435b-079c-46b5-a4e5-eff03c26c542}\ = "RichMediaViewV1release93" regsvr32.exe -
Modifies registry class 34 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{d013435b-079c-46b5-a4e5-eff03c26c542}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{d013435b-079c-46b5-a4e5-eff03c26c542}\Version\ = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{555B3145-DA62-4374-8999-1A2B654861B3}\1.1\0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{555B3145-DA62-4374-8999-1A2B654861B3}\1.1\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{77FF46C4-DFFE-417A-B07F-A9D493E66C72} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{77FF46C4-DFFE-417A-B07F-A9D493E66C72} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{d013435b-079c-46b5-a4e5-eff03c26c542}\ = "RichMediaViewV1release93" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{d013435b-079c-46b5-a4e5-eff03c26c542}\Version regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{555B3145-DA62-4374-8999-1A2B654861B3}\1.1\FLAGS regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{77FF46C4-DFFE-417A-B07F-A9D493E66C72}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{77FF46C4-DFFE-417A-B07F-A9D493E66C72}\TypeLib\ = "{555B3145-DA62-4374-8999-1A2B654861B3}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{77FF46C4-DFFE-417A-B07F-A9D493E66C72}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{77FF46C4-DFFE-417A-B07F-A9D493E66C72}\TypeLib\ = "{555B3145-DA62-4374-8999-1A2B654861B3}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{d013435b-079c-46b5-a4e5-eff03c26c542}\Programmable regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{555B3145-DA62-4374-8999-1A2B654861B3}\1.1\ = "RichMediaViewV1release93Lib" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{555B3145-DA62-4374-8999-1A2B654861B3}\1.1\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{77FF46C4-DFFE-417A-B07F-A9D493E66C72}\TypeLib\Version = "1.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{77FF46C4-DFFE-417A-B07F-A9D493E66C72}\TypeLib\Version = "1.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{d013435b-079c-46b5-a4e5-eff03c26c542}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{d013435b-079c-46b5-a4e5-eff03c26c542}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{555B3145-DA62-4374-8999-1A2B654861B3}\1.1\FLAGS\ = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{77FF46C4-DFFE-417A-B07F-A9D493E66C72}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{77FF46C4-DFFE-417A-B07F-A9D493E66C72}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{77FF46C4-DFFE-417A-B07F-A9D493E66C72}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{d013435b-079c-46b5-a4e5-eff03c26c542} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{d013435b-079c-46b5-a4e5-eff03c26c542}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\RichMediaViewV1release93.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{d013435b-079c-46b5-a4e5-eff03c26c542}\TypeLib\ = "{555b3145-da62-4374-8999-1a2b654861b3}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{555B3145-DA62-4374-8999-1A2B654861B3} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{555B3145-DA62-4374-8999-1A2B654861B3}\1.1 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{555B3145-DA62-4374-8999-1A2B654861B3}\1.1\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{77FF46C4-DFFE-417A-B07F-A9D493E66C72}\ = "IRichMediaViewV1release93BHO" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{555B3145-DA62-4374-8999-1A2B654861B3}\1.1\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\RichMediaViewV1release93.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{77FF46C4-DFFE-417A-B07F-A9D493E66C72}\ = "IRichMediaViewV1release93BHO" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{77FF46C4-DFFE-417A-B07F-A9D493E66C72}\ProxyStubClsid32 regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4028 wrote to memory of 1992 4028 regsvr32.exe 84 PID 4028 wrote to memory of 1992 4028 regsvr32.exe 84 PID 4028 wrote to memory of 1992 4028 regsvr32.exe 84
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\ie\RichMediaViewV1release93.dll1⤵
- Suspicious use of WriteProcessMemory
PID:4028 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\ie\RichMediaViewV1release93.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:1992
-