Overview
overview
7Static
static
3VirusShare...f7.exe
windows7-x64
7VirusShare...f7.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/...113.js
windows7-x64
1ff/chrome/...113.js
windows10-2004-x64
1ff/chrome/...ion.js
windows7-x64
1ff/chrome/...ion.js
windows10-2004-x64
1ie/RichMed...13.dll
windows7-x64
6ie/RichMed...13.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
122s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
04/02/2024, 20:55
Static task
static1
Behavioral task
behavioral1
Sample
VirusShare_1f7c473b4ce03611577287b4f2c0a5f7.exe
Resource
win7-20231215-en
windows7-x64
Behavioral task
behavioral2
Sample
VirusShare_1f7c473b4ce03611577287b4f2c0a5f7.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
ffRichMediaViewV1release1113chaction.js
Resource
win7-20231129-en
windows7-x64
Behavioral task
behavioral6
Sample
ffRichMediaViewV1release1113chaction.js
Resource
win10v2004-20231222-en
windows10-2004-x64
Behavioral task
behavioral7
Sample
ff/chrome/content/ffRichMediaViewV1release1113.js
Resource
win7-20231215-en
windows7-x64
Behavioral task
behavioral8
Sample
ff/chrome/content/ffRichMediaViewV1release1113.js
Resource
win10v2004-20231222-en
windows10-2004-x64
Behavioral task
behavioral9
Sample
ff/chrome/content/ffRichMediaViewV1release1113ffaction.js
Resource
win7-20231129-en
windows7-x64
Behavioral task
behavioral10
Sample
ff/chrome/content/ffRichMediaViewV1release1113ffaction.js
Resource
win10v2004-20231215-en
windows10-2004-x64
Behavioral task
behavioral11
Sample
ie/RichMediaViewV1release1113.dll
Resource
win7-20231215-en
windows7-x64
Behavioral task
behavioral12
Sample
ie/RichMediaViewV1release1113.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
win10v2004-20231215-en
windows10-2004-x64
Behavioral task
behavioral15
Sample
$PLUGINSDIR/aminsis.dll
Resource
win7-20231215-en
windows7-x64
Behavioral task
behavioral16
Sample
$PLUGINSDIR/aminsis.dll
Resource
win10v2004-20231215-en
windows10-2004-x64
General
-
Target
ie/RichMediaViewV1release1113.dll
-
Size
85KB
-
MD5
b27e384c32b0939200d0ae23cc1b1141
-
SHA1
9132bede535ca5e3aa4197113aacb7d9b4712991
-
SHA256
e21c69a0e92f63fff61a04313adcb7724c3f1fca8e4d975d1652a17e33a6b067
-
SHA512
02a5a7cc39b23bffd67d3bbcc4fcf4bff9b6591844aff5491970a2ea1ceb5c220bc152d2a635f023f46aef7e8a7ca7efdbf824d07b2a7507cd38f7c9095bfcb5
-
SSDEEP
1536:shMWCsgyMIwP/t6hp1ZcTkrCWGCTfLlQJz+6S:BWKyMIwP16hp1dGgaJz+n
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\{aff01a21-91ce-4a2b-a11d-aafdeaf4001a}\NoExplorer = "1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{aff01a21-91ce-4a2b-a11d-aafdeaf4001a} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{aff01a21-91ce-4a2b-a11d-aafdeaf4001a}\ = "RichMediaViewV1release1113" regsvr32.exe -
Modifies registry class 34 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{aff01a21-91ce-4a2b-a11d-aafdeaf4001a} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{aff01a21-91ce-4a2b-a11d-aafdeaf4001a}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EECFD635-E390-4073-9A0A-1286A6CD940A}\1.1\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{aff01a21-91ce-4a2b-a11d-aafdeaf4001a}\Version regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BAD0DF8C-6E2D-46D1-BAA4-F0F58BA5FA12}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BAD0DF8C-6E2D-46D1-BAA4-F0F58BA5FA12}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BAD0DF8C-6E2D-46D1-BAA4-F0F58BA5FA12}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{aff01a21-91ce-4a2b-a11d-aafdeaf4001a}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BAD0DF8C-6E2D-46D1-BAA4-F0F58BA5FA12}\ = "IRichMediaViewV1release1113BHO" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BAD0DF8C-6E2D-46D1-BAA4-F0F58BA5FA12}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BAD0DF8C-6E2D-46D1-BAA4-F0F58BA5FA12}\TypeLib\ = "{EECFD635-E390-4073-9A0A-1286A6CD940A}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BAD0DF8C-6E2D-46D1-BAA4-F0F58BA5FA12} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{aff01a21-91ce-4a2b-a11d-aafdeaf4001a}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EECFD635-E390-4073-9A0A-1286A6CD940A}\1.1\ = "RichMediaViewV1release1113Lib" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BAD0DF8C-6E2D-46D1-BAA4-F0F58BA5FA12}\ = "IRichMediaViewV1release1113BHO" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BAD0DF8C-6E2D-46D1-BAA4-F0F58BA5FA12}\TypeLib\Version = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BAD0DF8C-6E2D-46D1-BAA4-F0F58BA5FA12}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BAD0DF8C-6E2D-46D1-BAA4-F0F58BA5FA12}\TypeLib\ = "{EECFD635-E390-4073-9A0A-1286A6CD940A}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BAD0DF8C-6E2D-46D1-BAA4-F0F58BA5FA12}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{aff01a21-91ce-4a2b-a11d-aafdeaf4001a}\ = "RichMediaViewV1release1113" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{aff01a21-91ce-4a2b-a11d-aafdeaf4001a}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EECFD635-E390-4073-9A0A-1286A6CD940A}\1.1\FLAGS regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EECFD635-E390-4073-9A0A-1286A6CD940A}\1.1\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\RichMediaViewV1release1113.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{aff01a21-91ce-4a2b-a11d-aafdeaf4001a}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\RichMediaViewV1release1113.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EECFD635-E390-4073-9A0A-1286A6CD940A}\1.1 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BAD0DF8C-6E2D-46D1-BAA4-F0F58BA5FA12}\TypeLib\Version = "1.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{aff01a21-91ce-4a2b-a11d-aafdeaf4001a}\TypeLib\ = "{eecfd635-e390-4073-9a0a-1286a6cd940a}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EECFD635-E390-4073-9A0A-1286A6CD940A} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EECFD635-E390-4073-9A0A-1286A6CD940A}\1.1\0\win32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EECFD635-E390-4073-9A0A-1286A6CD940A}\1.1\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{aff01a21-91ce-4a2b-a11d-aafdeaf4001a}\Version\ = "1.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EECFD635-E390-4073-9A0A-1286A6CD940A}\1.1\FLAGS\ = "0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EECFD635-E390-4073-9A0A-1286A6CD940A}\1.1\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BAD0DF8C-6E2D-46D1-BAA4-F0F58BA5FA12} regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2332 wrote to memory of 1664 2332 regsvr32.exe 28 PID 2332 wrote to memory of 1664 2332 regsvr32.exe 28 PID 2332 wrote to memory of 1664 2332 regsvr32.exe 28 PID 2332 wrote to memory of 1664 2332 regsvr32.exe 28 PID 2332 wrote to memory of 1664 2332 regsvr32.exe 28 PID 2332 wrote to memory of 1664 2332 regsvr32.exe 28 PID 2332 wrote to memory of 1664 2332 regsvr32.exe 28
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\ie\RichMediaViewV1release1113.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2332 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\ie\RichMediaViewV1release1113.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:1664
-