Overview
overview
7Static
static
3VirusShare...9b.exe
windows7-x64
7VirusShare...9b.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/...147.js
windows7-x64
1ff/chrome/...147.js
windows10-2004-x64
1ff/chrome/...ion.js
windows7-x64
1ff/chrome/...ion.js
windows10-2004-x64
1ie/RichMed...47.dll
windows7-x64
6ie/RichMed...47.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
123s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
04/02/2024, 13:07
Static task
static1
Behavioral task
behavioral1
Sample
VirusShare_546868d4fd50fb7400d68044d3561c9b.exe
Resource
win7-20231215-en
windows7-x64
Behavioral task
behavioral2
Sample
VirusShare_546868d4fd50fb7400d68044d3561c9b.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
win10v2004-20231215-en
windows10-2004-x64
Behavioral task
behavioral5
Sample
ffRichMediaViewV1release6147chaction.js
Resource
win7-20231215-en
windows7-x64
Behavioral task
behavioral6
Sample
ffRichMediaViewV1release6147chaction.js
Resource
win10v2004-20231215-en
windows10-2004-x64
Behavioral task
behavioral7
Sample
ff/chrome/content/ffRichMediaViewV1release6147.js
Resource
win7-20231215-en
windows7-x64
Behavioral task
behavioral8
Sample
ff/chrome/content/ffRichMediaViewV1release6147.js
Resource
win10v2004-20231215-en
windows10-2004-x64
Behavioral task
behavioral9
Sample
ff/chrome/content/ffRichMediaViewV1release6147ffaction.js
Resource
win7-20231215-en
windows7-x64
Behavioral task
behavioral10
Sample
ff/chrome/content/ffRichMediaViewV1release6147ffaction.js
Resource
win10v2004-20231215-en
windows10-2004-x64
Behavioral task
behavioral11
Sample
ie/RichMediaViewV1release6147.dll
Resource
win7-20231215-en
windows7-x64
Behavioral task
behavioral12
Sample
ie/RichMediaViewV1release6147.dll
Resource
win10v2004-20231222-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/RichMediaViewV1release6147.dll
-
Size
85KB
-
MD5
ca770865b7b0d00aa674820e283c29ad
-
SHA1
a3dae6bec6e4bc5aef66b1a7644fddf4ec9ff749
-
SHA256
aedac8a7fb43ac8dcd72a4ea54fa5d4061117ed809be2e7c01577944c4fbf047
-
SHA512
1e744a3ea7d1153ca31d82844efcabbb820b8844407da7e62df212160b7d9f0d78158dbdd6b32cd615ba94dcc5ff0ac354c7b5bba53642be9f3852364abb9f1f
-
SSDEEP
1536:bhMWCsgyMIwP/t6hp1ZcTkrCuHCTfLlQ3fe+aS:CWKyMIwP16hp11Hga3fe+H
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\{82d90963-98aa-4afd-9991-0b34959f9c07} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{82d90963-98aa-4afd-9991-0b34959f9c07}\ = "RichMediaViewV1release6147" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{82d90963-98aa-4afd-9991-0b34959f9c07}\NoExplorer = "1" regsvr32.exe -
Modifies registry class 34 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B964A6ED-3EA1-4655-B4C5-88751105180D}\1.1\HELPDIR regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{934AEB8A-FFB2-49BE-9D70-1271F155B454}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B964A6ED-3EA1-4655-B4C5-88751105180D}\1.1 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B964A6ED-3EA1-4655-B4C5-88751105180D}\1.1\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{934AEB8A-FFB2-49BE-9D70-1271F155B454}\TypeLib\ = "{B964A6ED-3EA1-4655-B4C5-88751105180D}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{82d90963-98aa-4afd-9991-0b34959f9c07}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{934AEB8A-FFB2-49BE-9D70-1271F155B454} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{934AEB8A-FFB2-49BE-9D70-1271F155B454}\TypeLib\Version = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{934AEB8A-FFB2-49BE-9D70-1271F155B454} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{934AEB8A-FFB2-49BE-9D70-1271F155B454}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{82d90963-98aa-4afd-9991-0b34959f9c07}\Version regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B964A6ED-3EA1-4655-B4C5-88751105180D}\1.1\ = "RichMediaViewV1release6147Lib" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{82d90963-98aa-4afd-9991-0b34959f9c07}\TypeLib\ = "{b964a6ed-3ea1-4655-b4c5-88751105180d}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{82d90963-98aa-4afd-9991-0b34959f9c07}\Version\ = "1.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{934AEB8A-FFB2-49BE-9D70-1271F155B454}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{82d90963-98aa-4afd-9991-0b34959f9c07}\ = "RichMediaViewV1release6147" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{82d90963-98aa-4afd-9991-0b34959f9c07}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{934AEB8A-FFB2-49BE-9D70-1271F155B454}\TypeLib\ = "{B964A6ED-3EA1-4655-B4C5-88751105180D}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B964A6ED-3EA1-4655-B4C5-88751105180D} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{934AEB8A-FFB2-49BE-9D70-1271F155B454}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B964A6ED-3EA1-4655-B4C5-88751105180D}\1.1\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\RichMediaViewV1release6147.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{934AEB8A-FFB2-49BE-9D70-1271F155B454}\ = "IRichMediaViewV1release6147BHO" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{934AEB8A-FFB2-49BE-9D70-1271F155B454}\TypeLib\Version = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{82d90963-98aa-4afd-9991-0b34959f9c07}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B964A6ED-3EA1-4655-B4C5-88751105180D}\1.1\FLAGS\ = "0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B964A6ED-3EA1-4655-B4C5-88751105180D}\1.1\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{934AEB8A-FFB2-49BE-9D70-1271F155B454}\ = "IRichMediaViewV1release6147BHO" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{934AEB8A-FFB2-49BE-9D70-1271F155B454}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{82d90963-98aa-4afd-9991-0b34959f9c07} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B964A6ED-3EA1-4655-B4C5-88751105180D}\1.1\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B964A6ED-3EA1-4655-B4C5-88751105180D}\1.1\FLAGS regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{934AEB8A-FFB2-49BE-9D70-1271F155B454}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{82d90963-98aa-4afd-9991-0b34959f9c07}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\RichMediaViewV1release6147.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{82d90963-98aa-4afd-9991-0b34959f9c07}\TypeLib regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1032 wrote to memory of 2328 1032 regsvr32.exe 28 PID 1032 wrote to memory of 2328 1032 regsvr32.exe 28 PID 1032 wrote to memory of 2328 1032 regsvr32.exe 28 PID 1032 wrote to memory of 2328 1032 regsvr32.exe 28 PID 1032 wrote to memory of 2328 1032 regsvr32.exe 28 PID 1032 wrote to memory of 2328 1032 regsvr32.exe 28 PID 1032 wrote to memory of 2328 1032 regsvr32.exe 28
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\ie\RichMediaViewV1release6147.dll1⤵
- Suspicious use of WriteProcessMemory
PID:1032 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\ie\RichMediaViewV1release6147.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:2328
-