Overview
overview
7Static
static
3VirusShare...5b.exe
windows7-x64
7VirusShare...5b.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/...984.js
windows7-x64
1ff/chrome/...984.js
windows10-2004-x64
1ff/chrome/...ion.js
windows7-x64
1ff/chrome/...ion.js
windows10-2004-x64
1ie/MediaWa...84.dll
windows7-x64
6ie/MediaWa...84.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
143s -
max time network
151s -
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, 16:14
Static task
static1
Behavioral task
behavioral1
Sample
VirusShare_d08375fd24611ef6e185edc2dd58865b.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
VirusShare_d08375fd24611ef6e185edc2dd58865b.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
ffMediaWatchV1home4984chaction.js
Resource
win7-20231129-en
Behavioral task
behavioral6
Sample
ffMediaWatchV1home4984chaction.js
Resource
win10v2004-20231222-en
Behavioral task
behavioral7
Sample
ff/chrome/content/ffMediaWatchV1home4984.js
Resource
win7-20231129-en
Behavioral task
behavioral8
Sample
ff/chrome/content/ffMediaWatchV1home4984.js
Resource
win10v2004-20231215-en
Behavioral task
behavioral9
Sample
ff/chrome/content/ffMediaWatchV1home4984ffaction.js
Resource
win7-20231215-en
Behavioral task
behavioral10
Sample
ff/chrome/content/ffMediaWatchV1home4984ffaction.js
Resource
win10v2004-20231222-en
Behavioral task
behavioral11
Sample
ie/MediaWatchV1home4984.dll
Resource
win7-20231215-en
Behavioral task
behavioral12
Sample
ie/MediaWatchV1home4984.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/MediaWatchV1home4984.dll
-
Size
85KB
-
MD5
90b417db3640c6ea27aeab4d21d9cd63
-
SHA1
e510d5bf699def66c409b851fdaeab0af4895349
-
SHA256
2c925b5a683ad724e49f0fc6e41cfea1cc26c2cee97ffb0226cc643082967f37
-
SHA512
82d87e022feca38412b57c0b6df0dd28e225fed7e0ace6519a81b597ab5519db41ad72807856233acbe9b87e41876935e337f124481af0152d08186e9556b2f6
-
SSDEEP
1536:08/1CsEmka04RhRtahrOb8DkhBpHA9glQ55aZ:v12mka0ElahrOtpgua55a
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\{ff15571a-9ec9-4e77-8e41-3e56bef55d19} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{ff15571a-9ec9-4e77-8e41-3e56bef55d19}\ = "MediaWatchV1home4984" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{ff15571a-9ec9-4e77-8e41-3e56bef55d19}\NoExplorer = "1" regsvr32.exe -
Modifies registry class 34 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ff15571a-9ec9-4e77-8e41-3e56bef55d19}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{74F8F730-E8B2-40D9-9496-B1FCA362F84C}\1.1\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B120B86-643A-4F4C-A136-068A6AF0865A}\TypeLib\ = "{74F8F730-E8B2-40D9-9496-B1FCA362F84C}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B120B86-643A-4F4C-A136-068A6AF0865A}\ = "IMediaWatchV1home4984BHO" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ff15571a-9ec9-4e77-8e41-3e56bef55d19}\Programmable regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{74F8F730-E8B2-40D9-9496-B1FCA362F84C}\1.1\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\MediaWatchV1home4984.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B120B86-643A-4F4C-A136-068A6AF0865A}\ = "IMediaWatchV1home4984BHO" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B120B86-643A-4F4C-A136-068A6AF0865A}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ff15571a-9ec9-4e77-8e41-3e56bef55d19}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\MediaWatchV1home4984.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ff15571a-9ec9-4e77-8e41-3e56bef55d19}\Version\ = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{74F8F730-E8B2-40D9-9496-B1FCA362F84C}\1.1\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B120B86-643A-4F4C-A136-068A6AF0865A} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ff15571a-9ec9-4e77-8e41-3e56bef55d19}\ = "MediaWatchV1home4984" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{74F8F730-E8B2-40D9-9496-B1FCA362F84C}\1.1\FLAGS\ = "0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B120B86-643A-4F4C-A136-068A6AF0865A}\TypeLib\ = "{74F8F730-E8B2-40D9-9496-B1FCA362F84C}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ff15571a-9ec9-4e77-8e41-3e56bef55d19} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B120B86-643A-4F4C-A136-068A6AF0865A}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B120B86-643A-4F4C-A136-068A6AF0865A}\TypeLib\Version = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B120B86-643A-4F4C-A136-068A6AF0865A}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ff15571a-9ec9-4e77-8e41-3e56bef55d19}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ff15571a-9ec9-4e77-8e41-3e56bef55d19}\TypeLib\ = "{74f8f730-e8b2-40d9-9496-b1fca362f84c}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B120B86-643A-4F4C-A136-068A6AF0865A}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B120B86-643A-4F4C-A136-068A6AF0865A}\TypeLib\Version = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B120B86-643A-4F4C-A136-068A6AF0865A}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ff15571a-9ec9-4e77-8e41-3e56bef55d19}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{74F8F730-E8B2-40D9-9496-B1FCA362F84C}\1.1 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{74F8F730-E8B2-40D9-9496-B1FCA362F84C}\1.1\FLAGS regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B120B86-643A-4F4C-A136-068A6AF0865A} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{74F8F730-E8B2-40D9-9496-B1FCA362F84C}\1.1\HELPDIR regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B120B86-643A-4F4C-A136-068A6AF0865A}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ff15571a-9ec9-4e77-8e41-3e56bef55d19}\Version regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{74F8F730-E8B2-40D9-9496-B1FCA362F84C} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{74F8F730-E8B2-40D9-9496-B1FCA362F84C}\1.1\ = "MediaWatchV1home4984Lib" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{74F8F730-E8B2-40D9-9496-B1FCA362F84C}\1.1\0\win32 regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2300 wrote to memory of 1508 2300 regsvr32.exe 83 PID 2300 wrote to memory of 1508 2300 regsvr32.exe 83 PID 2300 wrote to memory of 1508 2300 regsvr32.exe 83
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\ie\MediaWatchV1home4984.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2300 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\ie\MediaWatchV1home4984.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:1508
-