Overview
overview
7Static
static
3VirusShare...fe.exe
windows7-x64
7VirusShare...fe.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/...e45.js
windows7-x64
1ff/chrome/...e45.js
windows10-2004-x64
1ff/chrome/...ion.js
windows7-x64
1ff/chrome/...ion.js
windows10-2004-x64
1ie/RichMed...45.dll
windows7-x64
6ie/RichMed...45.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
132s -
max time network
169s -
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, 20:44
Static task
static1
Behavioral task
behavioral1
Sample
VirusShare_abfb01a66ce9f58efb046a181a0e83fe.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
VirusShare_abfb01a66ce9f58efb046a181a0e83fe.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
ffRichMediaViewV1release45chaction.js
Resource
win7-20231215-en
Behavioral task
behavioral6
Sample
ffRichMediaViewV1release45chaction.js
Resource
win10v2004-20231215-en
Behavioral task
behavioral7
Sample
ff/chrome/content/ffRichMediaViewV1release45.js
Resource
win7-20231215-en
Behavioral task
behavioral8
Sample
ff/chrome/content/ffRichMediaViewV1release45.js
Resource
win10v2004-20231222-en
Behavioral task
behavioral9
Sample
ff/chrome/content/ffRichMediaViewV1release45ffaction.js
Resource
win7-20231215-en
Behavioral task
behavioral10
Sample
ff/chrome/content/ffRichMediaViewV1release45ffaction.js
Resource
win10v2004-20231215-en
Behavioral task
behavioral11
Sample
ie/RichMediaViewV1release45.dll
Resource
win7-20231215-en
Behavioral task
behavioral12
Sample
ie/RichMediaViewV1release45.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral13
Sample
uninstall.exe
Resource
win7-20231215-en
Behavioral task
behavioral14
Sample
uninstall.exe
Resource
win10v2004-20231222-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/RichMediaViewV1release45.dll
-
Size
85KB
-
MD5
322fa7a3c9c2507d4c53e5a1bd6dd774
-
SHA1
b0cd9c6eaad5569a296e607ecaaa84d5df3511e7
-
SHA256
21db324b3c5141e45d240428a0c80e256cbba804265aafeb81b3897b2ae09633
-
SHA512
4a34f3f962a631225c4b6aff7838d0389dc2fead2cdeeb71257fd33ecd8529519943796ecd79133e2892deacc15e32e50548bf69358e498f9b63bec4fc99ee8e
-
SSDEEP
1536:kc/9Cs8ekkcEDtqJ6Zk8DklKxnLlQpZYUpY:/9eekkcEJqJ6ZIKxLapZYn
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\{2ed0d4ab-eebf-42ee-a864-cf1611c5cc1b} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{2ed0d4ab-eebf-42ee-a864-cf1611c5cc1b}\ = "RichMediaViewV1release45" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{2ed0d4ab-eebf-42ee-a864-cf1611c5cc1b}\NoExplorer = "1" regsvr32.exe -
Modifies registry class 34 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{04649E5C-7E53-49A6-BEC9-62A9A1990057}\1.1\FLAGS regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{04649E5C-7E53-49A6-BEC9-62A9A1990057}\1.1\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{04649E5C-7E53-49A6-BEC9-62A9A1990057} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2ed0d4ab-eebf-42ee-a864-cf1611c5cc1b}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{04649E5C-7E53-49A6-BEC9-62A9A1990057}\1.1\0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{AAD3B54B-B3F9-4FF4-A8EB-31FAE954436B}\ = "IRichMediaViewV1release45BHO" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{AAD3B54B-B3F9-4FF4-A8EB-31FAE954436B}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2ed0d4ab-eebf-42ee-a864-cf1611c5cc1b}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2ed0d4ab-eebf-42ee-a864-cf1611c5cc1b}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{AAD3B54B-B3F9-4FF4-A8EB-31FAE954436B} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{AAD3B54B-B3F9-4FF4-A8EB-31FAE954436B}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{AAD3B54B-B3F9-4FF4-A8EB-31FAE954436B}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{AAD3B54B-B3F9-4FF4-A8EB-31FAE954436B}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2ed0d4ab-eebf-42ee-a864-cf1611c5cc1b} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2ed0d4ab-eebf-42ee-a864-cf1611c5cc1b}\TypeLib\ = "{04649e5c-7e53-49a6-bec9-62a9a1990057}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{04649E5C-7E53-49A6-BEC9-62A9A1990057}\1.1\FLAGS\ = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{04649E5C-7E53-49A6-BEC9-62A9A1990057}\1.1\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{AAD3B54B-B3F9-4FF4-A8EB-31FAE954436B}\TypeLib\Version = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{AAD3B54B-B3F9-4FF4-A8EB-31FAE954436B} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{AAD3B54B-B3F9-4FF4-A8EB-31FAE954436B}\ = "IRichMediaViewV1release45BHO" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2ed0d4ab-eebf-42ee-a864-cf1611c5cc1b}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{04649E5C-7E53-49A6-BEC9-62A9A1990057}\1.1\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\RichMediaViewV1release45.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{AAD3B54B-B3F9-4FF4-A8EB-31FAE954436B}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{AAD3B54B-B3F9-4FF4-A8EB-31FAE954436B}\TypeLib\Version = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{04649E5C-7E53-49A6-BEC9-62A9A1990057}\1.1 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2ed0d4ab-eebf-42ee-a864-cf1611c5cc1b}\Version regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2ed0d4ab-eebf-42ee-a864-cf1611c5cc1b}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\RichMediaViewV1release45.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{AAD3B54B-B3F9-4FF4-A8EB-31FAE954436B}\TypeLib\ = "{04649E5C-7E53-49A6-BEC9-62A9A1990057}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{04649E5C-7E53-49A6-BEC9-62A9A1990057}\1.1\ = "RichMediaViewV1release45Lib" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2ed0d4ab-eebf-42ee-a864-cf1611c5cc1b}\Version\ = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{04649E5C-7E53-49A6-BEC9-62A9A1990057}\1.1\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{AAD3B54B-B3F9-4FF4-A8EB-31FAE954436B}\TypeLib\ = "{04649E5C-7E53-49A6-BEC9-62A9A1990057}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{AAD3B54B-B3F9-4FF4-A8EB-31FAE954436B}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2ed0d4ab-eebf-42ee-a864-cf1611c5cc1b}\ = "RichMediaViewV1release45" regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4576 wrote to memory of 3176 4576 regsvr32.exe 84 PID 4576 wrote to memory of 3176 4576 regsvr32.exe 84 PID 4576 wrote to memory of 3176 4576 regsvr32.exe 84
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\ie\RichMediaViewV1release45.dll1⤵
- Suspicious use of WriteProcessMemory
PID:4576 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\ie\RichMediaViewV1release45.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:3176
-