Overview
overview
7Static
static
3VirusShare...4e.exe
windows7-x64
7VirusShare...4e.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/...116.js
windows7-x64
1ff/chrome/...116.js
windows10-2004-x64
1ff/chrome/...ion.js
windows7-x64
1ff/chrome/...ion.js
windows10-2004-x64
1ie/RichMed...16.dll
windows7-x64
6ie/RichMed...16.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
121s -
max time network
130s -
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_ef628936d86c881711b36ed9f2fe244e.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
VirusShare_ef628936d86c881711b36ed9f2fe244e.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/aminsis.dll
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/aminsis.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral5
Sample
ffRichMediaViewV1release116chaction.js
Resource
win7-20231215-en
Behavioral task
behavioral6
Sample
ffRichMediaViewV1release116chaction.js
Resource
win10v2004-20231215-en
Behavioral task
behavioral7
Sample
ff/chrome/content/ffRichMediaViewV1release116.js
Resource
win7-20231215-en
Behavioral task
behavioral8
Sample
ff/chrome/content/ffRichMediaViewV1release116.js
Resource
win10v2004-20231215-en
Behavioral task
behavioral9
Sample
ff/chrome/content/ffRichMediaViewV1release116ffaction.js
Resource
win7-20231215-en
Behavioral task
behavioral10
Sample
ff/chrome/content/ffRichMediaViewV1release116ffaction.js
Resource
win10v2004-20231215-en
Behavioral task
behavioral11
Sample
ie/RichMediaViewV1release116.dll
Resource
win7-20231215-en
Behavioral task
behavioral12
Sample
ie/RichMediaViewV1release116.dll
Resource
win10v2004-20231215-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/RichMediaViewV1release116.dll
-
Size
85KB
-
MD5
edda7b7b239ba2b1f370145ee2defe4e
-
SHA1
66d60c54bbdaa26be11c3cd2cb7f0d7c9bbbb31f
-
SHA256
c1eb71dae33b855f250ce059f4c34e29b48f4e9580bf40a681c02d68133767e5
-
SHA512
7ed55891333448bbe5dc5bbf791534e6b6b47123c9bdebdb04463befed24853ddfad2980f551986635c89f24f9d9888847441f3c1aa8a1950d535d747017a7b4
-
SSDEEP
1536:wkf9Csc+EE7Msd5N60GlVk8jkrw0dnqLhPLlQlTcNBZ:j9++EEwsJ6FlV0dnmalTcd
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\{63504b83-0450-4d13-87af-623af1ef426c} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{63504b83-0450-4d13-87af-623af1ef426c}\ = "RichMediaViewV1release116" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{63504b83-0450-4d13-87af-623af1ef426c}\NoExplorer = "1" regsvr32.exe -
Modifies registry class 34 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A4E926A9-6721-4707-BCF0-62CD489E3765}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A4E926A9-6721-4707-BCF0-62CD489E3765}\TypeLib\ = "{DBDD9DB8-8F69-4BB4-BDE7-C529F1E1B10D}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A4E926A9-6721-4707-BCF0-62CD489E3765}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DBDD9DB8-8F69-4BB4-BDE7-C529F1E1B10D}\1.1\FLAGS regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DBDD9DB8-8F69-4BB4-BDE7-C529F1E1B10D}\1.1\FLAGS\ = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DBDD9DB8-8F69-4BB4-BDE7-C529F1E1B10D}\1.1\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DBDD9DB8-8F69-4BB4-BDE7-C529F1E1B10D}\1.1\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{63504b83-0450-4d13-87af-623af1ef426c}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A4E926A9-6721-4707-BCF0-62CD489E3765} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A4E926A9-6721-4707-BCF0-62CD489E3765}\ = "IRichMediaViewV1release116BHO" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A4E926A9-6721-4707-BCF0-62CD489E3765}\TypeLib\Version = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DBDD9DB8-8F69-4BB4-BDE7-C529F1E1B10D}\1.1\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A4E926A9-6721-4707-BCF0-62CD489E3765}\ = "IRichMediaViewV1release116BHO" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A4E926A9-6721-4707-BCF0-62CD489E3765}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A4E926A9-6721-4707-BCF0-62CD489E3765}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DBDD9DB8-8F69-4BB4-BDE7-C529F1E1B10D}\1.1\ = "RichMediaViewV1release116Lib" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{63504b83-0450-4d13-87af-623af1ef426c}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A4E926A9-6721-4707-BCF0-62CD489E3765}\TypeLib\Version = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{63504b83-0450-4d13-87af-623af1ef426c} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{63504b83-0450-4d13-87af-623af1ef426c}\ = "RichMediaViewV1release116" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{63504b83-0450-4d13-87af-623af1ef426c}\Programmable regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{63504b83-0450-4d13-87af-623af1ef426c}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\RichMediaViewV1release116.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{63504b83-0450-4d13-87af-623af1ef426c}\TypeLib\ = "{dbdd9db8-8f69-4bb4-bde7-c529f1e1b10d}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DBDD9DB8-8F69-4BB4-BDE7-C529F1E1B10D}\1.1\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A4E926A9-6721-4707-BCF0-62CD489E3765}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{63504b83-0450-4d13-87af-623af1ef426c}\Version regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A4E926A9-6721-4707-BCF0-62CD489E3765}\TypeLib\ = "{DBDD9DB8-8F69-4BB4-BDE7-C529F1E1B10D}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DBDD9DB8-8F69-4BB4-BDE7-C529F1E1B10D}\1.1\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\RichMediaViewV1release116.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A4E926A9-6721-4707-BCF0-62CD489E3765} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A4E926A9-6721-4707-BCF0-62CD489E3765}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{63504b83-0450-4d13-87af-623af1ef426c}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{63504b83-0450-4d13-87af-623af1ef426c}\Version\ = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DBDD9DB8-8F69-4BB4-BDE7-C529F1E1B10D} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DBDD9DB8-8F69-4BB4-BDE7-C529F1E1B10D}\1.1 regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1824 wrote to memory of 2884 1824 regsvr32.exe 28 PID 1824 wrote to memory of 2884 1824 regsvr32.exe 28 PID 1824 wrote to memory of 2884 1824 regsvr32.exe 28 PID 1824 wrote to memory of 2884 1824 regsvr32.exe 28 PID 1824 wrote to memory of 2884 1824 regsvr32.exe 28 PID 1824 wrote to memory of 2884 1824 regsvr32.exe 28 PID 1824 wrote to memory of 2884 1824 regsvr32.exe 28
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\ie\RichMediaViewV1release116.dll1⤵
- Suspicious use of WriteProcessMemory
PID:1824 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\ie\RichMediaViewV1release116.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:2884
-