Overview
overview
7Static
static
3VirusShare...68.exe
windows7-x64
7VirusShare...68.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/...427.js
windows7-x64
1ff/chrome/...427.js
windows10-2004-x64
1ff/chrome/...ion.js
windows7-x64
1ff/chrome/...ion.js
windows10-2004-x64
1ie/MediaWa...27.dll
windows7-x64
6ie/MediaWa...27.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
145s -
max time network
149s -
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, 16:18
Static task
static1
Behavioral task
behavioral1
Sample
VirusShare_7b8c8ad756e2e5e0a4ebc1a2b7833e68.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
VirusShare_7b8c8ad756e2e5e0a4ebc1a2b7833e68.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
ffMediaWatchV1home2427chaction.js
Resource
win7-20231215-en
Behavioral task
behavioral6
Sample
ffMediaWatchV1home2427chaction.js
Resource
win10v2004-20231215-en
Behavioral task
behavioral7
Sample
ff/chrome/content/ffMediaWatchV1home2427.js
Resource
win7-20231215-en
Behavioral task
behavioral8
Sample
ff/chrome/content/ffMediaWatchV1home2427.js
Resource
win10v2004-20231215-en
Behavioral task
behavioral9
Sample
ff/chrome/content/ffMediaWatchV1home2427ffaction.js
Resource
win7-20231215-en
Behavioral task
behavioral10
Sample
ff/chrome/content/ffMediaWatchV1home2427ffaction.js
Resource
win10v2004-20231215-en
Behavioral task
behavioral11
Sample
ie/MediaWatchV1home2427.dll
Resource
win7-20231129-en
Behavioral task
behavioral12
Sample
ie/MediaWatchV1home2427.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
win7-20231215-en
Behavioral task
behavioral16
Sample
$PLUGINSDIR/aminsis.dll
Resource
win10v2004-20231215-en
General
-
Target
ie/MediaWatchV1home2427.dll
-
Size
85KB
-
MD5
28c07962e61d1c1e2a3b169be219c961
-
SHA1
7dd1f02d6e181164a14aaadf605a1699897962db
-
SHA256
b290ee17d015b8eb149dcb5265011538f7873d3b73985d4aa53f68ef1ae7e8fd
-
SHA512
fdedb93a0372a8d7628f54bfeaf50a9527ad077f8c8dd35a24b7f7ba8162c4d60a9d747a743ccfb55c1bd3ced5123064a4756a2b73152de5e11b6886c808cd27
-
SSDEEP
1536:O8/1CsEmka04RhRtahrOb8Dkh9RHA9glQppip:Z12mka0ElahrOpRguappi
Malware Config
Signatures
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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\{f0188277-b293-4174-9ba7-566c739b10fd} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{f0188277-b293-4174-9ba7-566c739b10fd}\ = "MediaWatchV1home2427" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{f0188277-b293-4174-9ba7-566c739b10fd}\NoExplorer = "1" regsvr32.exe -
Modifies registry class 34 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{f0188277-b293-4174-9ba7-566c739b10fd}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3FFC2577-190B-4C45-BDB5-3136B267BE95}\1.1\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3FFC2577-190B-4C45-BDB5-3136B267BE95}\1.1\FLAGS\ = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{f0188277-b293-4174-9ba7-566c739b10fd}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{f0188277-b293-4174-9ba7-566c739b10fd}\Version\ = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3FFC2577-190B-4C45-BDB5-3136B267BE95}\1.1\FLAGS regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{814C370D-2545-40A4-9527-05E7B3BAB74B}\ = "IMediaWatchV1home2427BHO" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3FFC2577-190B-4C45-BDB5-3136B267BE95}\1.1\0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{814C370D-2545-40A4-9527-05E7B3BAB74B}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{814C370D-2545-40A4-9527-05E7B3BAB74B}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{f0188277-b293-4174-9ba7-566c739b10fd}\Programmable regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{f0188277-b293-4174-9ba7-566c739b10fd}\TypeLib\ = "{3ffc2577-190b-4c45-bdb5-3136b267be95}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3FFC2577-190B-4C45-BDB5-3136B267BE95}\1.1\ = "MediaWatchV1home2427Lib" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{814C370D-2545-40A4-9527-05E7B3BAB74B}\TypeLib\ = "{3FFC2577-190B-4C45-BDB5-3136B267BE95}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{814C370D-2545-40A4-9527-05E7B3BAB74B} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{814C370D-2545-40A4-9527-05E7B3BAB74B}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{f0188277-b293-4174-9ba7-566c739b10fd}\ = "MediaWatchV1home2427" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3FFC2577-190B-4C45-BDB5-3136B267BE95}\1.1\HELPDIR regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{814C370D-2545-40A4-9527-05E7B3BAB74B}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3FFC2577-190B-4C45-BDB5-3136B267BE95}\1.1\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\MediaWatchV1home2427.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{814C370D-2545-40A4-9527-05E7B3BAB74B}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{814C370D-2545-40A4-9527-05E7B3BAB74B}\TypeLib\ = "{3FFC2577-190B-4C45-BDB5-3136B267BE95}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{f0188277-b293-4174-9ba7-566c739b10fd}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\MediaWatchV1home2427.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{f0188277-b293-4174-9ba7-566c739b10fd}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3FFC2577-190B-4C45-BDB5-3136B267BE95} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{814C370D-2545-40A4-9527-05E7B3BAB74B}\ = "IMediaWatchV1home2427BHO" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3FFC2577-190B-4C45-BDB5-3136B267BE95}\1.1 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3FFC2577-190B-4C45-BDB5-3136B267BE95}\1.1\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{814C370D-2545-40A4-9527-05E7B3BAB74B} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{814C370D-2545-40A4-9527-05E7B3BAB74B}\TypeLib\Version = "1.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{814C370D-2545-40A4-9527-05E7B3BAB74B}\TypeLib\Version = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{f0188277-b293-4174-9ba7-566c739b10fd} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{f0188277-b293-4174-9ba7-566c739b10fd}\Version regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{814C370D-2545-40A4-9527-05E7B3BAB74B}\TypeLib regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5816 wrote to memory of 3200 5816 regsvr32.exe 85 PID 5816 wrote to memory of 3200 5816 regsvr32.exe 85 PID 5816 wrote to memory of 3200 5816 regsvr32.exe 85
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\ie\MediaWatchV1home2427.dll1⤵
- Suspicious use of WriteProcessMemory
PID:5816 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\ie\MediaWatchV1home2427.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:3200
-