Overview
overview
7Static
static
3VirusShare...39.exe
windows7-x64
7VirusShare...39.exe
windows10-2004-x64
7$PLUGINSDI...is.dll
windows7-x64
3$PLUGINSDI...is.dll
windows10-2004-x64
3ffMediaWat...ion.js
windows7-x64
1ffMediaWat...ion.js
windows10-2004-x64
1ff/chrome/...981.js
windows7-x64
1ff/chrome/...981.js
windows10-2004-x64
1ff/chrome/...ion.js
windows7-x64
1ff/chrome/...ion.js
windows10-2004-x64
1ie/MediaWa...81.dll
windows7-x64
6ie/MediaWa...81.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
93s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
04/02/2024, 16:17
Static task
static1
Behavioral task
behavioral1
Sample
VirusShare_551459045dcbe02c2ab748a954090339.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
VirusShare_551459045dcbe02c2ab748a954090339.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
ffMediaWatchV1home981chaction.js
Resource
win7-20231129-en
Behavioral task
behavioral6
Sample
ffMediaWatchV1home981chaction.js
Resource
win10v2004-20231215-en
Behavioral task
behavioral7
Sample
ff/chrome/content/ffMediaWatchV1home981.js
Resource
win7-20231215-en
Behavioral task
behavioral8
Sample
ff/chrome/content/ffMediaWatchV1home981.js
Resource
win10v2004-20231222-en
Behavioral task
behavioral9
Sample
ff/chrome/content/ffMediaWatchV1home981ffaction.js
Resource
win7-20231215-en
Behavioral task
behavioral10
Sample
ff/chrome/content/ffMediaWatchV1home981ffaction.js
Resource
win10v2004-20231215-en
Behavioral task
behavioral11
Sample
ie/MediaWatchV1home981.dll
Resource
win7-20231215-en
Behavioral task
behavioral12
Sample
ie/MediaWatchV1home981.dll
Resource
win10v2004-20231222-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
win7-20231129-en
Behavioral task
behavioral16
Sample
$PLUGINSDIR/aminsis.dll
Resource
win10v2004-20231215-en
General
-
Target
ie/MediaWatchV1home981.dll
-
Size
85KB
-
MD5
2a44d6de9e2fa2b86fc24997df467a33
-
SHA1
81324309dee2e1b63a6e1e4e59bf2ef6b9efce73
-
SHA256
f0d22a4df0d2bd36440fb5e6a38502bba071925be30c5db7bd54210929404fe2
-
SHA512
818e8c96c0349e82bebec4d293424071a94c3fd68744226ef49fdcc274e52b8c48160062b5fed7f11327daacf052e063000d40ae15c42eb21232e50f6e893a19
-
SSDEEP
1536:T3flScQkGMA5tasrOb8Dk9OIHgNglQYuI+:TlikGMAbasrOyIA+aYu7
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\{8552a7da-a528-484f-af67-60b040cffa2b}\NoExplorer = "1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{8552a7da-a528-484f-af67-60b040cffa2b} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{8552a7da-a528-484f-af67-60b040cffa2b}\ = "MediaWatchV1home981" regsvr32.exe -
Modifies registry class 34 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8552a7da-a528-484f-af67-60b040cffa2b} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A9551B2E-B51A-4CB2-A8AC-1DC59612C1EA}\1.1\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A9551B2E-B51A-4CB2-A8AC-1DC59612C1EA}\1.1\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8F72D885-940D-43B9-9840-70C2EF5FA669}\ = "IMediaWatchV1home981BHO" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8F72D885-940D-43B9-9840-70C2EF5FA669}\TypeLib\ = "{A9551B2E-B51A-4CB2-A8AC-1DC59612C1EA}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8F72D885-940D-43B9-9840-70C2EF5FA669}\TypeLib\Version = "1.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8F72D885-940D-43B9-9840-70C2EF5FA669}\TypeLib\Version = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8552a7da-a528-484f-af67-60b040cffa2b}\Programmable regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A9551B2E-B51A-4CB2-A8AC-1DC59612C1EA}\1.1\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\MediaWatchV1home981.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8F72D885-940D-43B9-9840-70C2EF5FA669} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8F72D885-940D-43B9-9840-70C2EF5FA669}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8F72D885-940D-43B9-9840-70C2EF5FA669}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8552a7da-a528-484f-af67-60b040cffa2b}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\MediaWatchV1home981.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8552a7da-a528-484f-af67-60b040cffa2b}\Version regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A9551B2E-B51A-4CB2-A8AC-1DC59612C1EA}\1.1\ = "MediaWatchV1home981Lib" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A9551B2E-B51A-4CB2-A8AC-1DC59612C1EA}\1.1\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A9551B2E-B51A-4CB2-A8AC-1DC59612C1EA}\1.1\HELPDIR regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8F72D885-940D-43B9-9840-70C2EF5FA669}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A9551B2E-B51A-4CB2-A8AC-1DC59612C1EA}\1.1\FLAGS\ = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8F72D885-940D-43B9-9840-70C2EF5FA669} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8F72D885-940D-43B9-9840-70C2EF5FA669}\ = "IMediaWatchV1home981BHO" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8F72D885-940D-43B9-9840-70C2EF5FA669}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8552a7da-a528-484f-af67-60b040cffa2b}\ = "MediaWatchV1home981" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8552a7da-a528-484f-af67-60b040cffa2b}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8552a7da-a528-484f-af67-60b040cffa2b}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8552a7da-a528-484f-af67-60b040cffa2b}\Version\ = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A9551B2E-B51A-4CB2-A8AC-1DC59612C1EA}\1.1 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A9551B2E-B51A-4CB2-A8AC-1DC59612C1EA}\1.1\FLAGS regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8F72D885-940D-43B9-9840-70C2EF5FA669}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8F72D885-940D-43B9-9840-70C2EF5FA669}\TypeLib\ = "{A9551B2E-B51A-4CB2-A8AC-1DC59612C1EA}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A9551B2E-B51A-4CB2-A8AC-1DC59612C1EA} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8F72D885-940D-43B9-9840-70C2EF5FA669}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8552a7da-a528-484f-af67-60b040cffa2b}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8552a7da-a528-484f-af67-60b040cffa2b}\TypeLib\ = "{a9551b2e-b51a-4cb2-a8ac-1dc59612c1ea}" regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4076 wrote to memory of 2368 4076 regsvr32.exe 84 PID 4076 wrote to memory of 2368 4076 regsvr32.exe 84 PID 4076 wrote to memory of 2368 4076 regsvr32.exe 84
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\ie\MediaWatchV1home981.dll1⤵
- Suspicious use of WriteProcessMemory
PID:4076 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\ie\MediaWatchV1home981.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:2368
-