Overview
overview
7Static
static
3VirusShare...b2.exe
windows7-x64
7VirusShare...b2.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/...046.js
windows7-x64
1ff/chrome/...046.js
windows10-2004-x64
1ff/chrome/...ion.js
windows7-x64
1ff/chrome/...ion.js
windows10-2004-x64
1ie/MediaWa...46.dll
windows7-x64
6ie/MediaWa...46.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
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max time kernel
121s -
max time network
150s -
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, 16:19
Static task
static1
Behavioral task
behavioral1
Sample
VirusShare_6cef53812dca6db17872a41b15b28cb2.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
VirusShare_6cef53812dca6db17872a41b15b28cb2.exe
Resource
win10v2004-20231222-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
ffMediaWatchV1home3046chaction.js
Resource
win7-20231215-en
Behavioral task
behavioral6
Sample
ffMediaWatchV1home3046chaction.js
Resource
win10v2004-20231215-en
Behavioral task
behavioral7
Sample
ff/chrome/content/ffMediaWatchV1home3046.js
Resource
win7-20231215-en
Behavioral task
behavioral8
Sample
ff/chrome/content/ffMediaWatchV1home3046.js
Resource
win10v2004-20231215-en
Behavioral task
behavioral9
Sample
ff/chrome/content/ffMediaWatchV1home3046ffaction.js
Resource
win7-20231129-en
Behavioral task
behavioral10
Sample
ff/chrome/content/ffMediaWatchV1home3046ffaction.js
Resource
win10v2004-20231215-en
Behavioral task
behavioral11
Sample
ie/MediaWatchV1home3046.dll
Resource
win7-20231215-en
Behavioral task
behavioral12
Sample
ie/MediaWatchV1home3046.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral13
Sample
uninstall.exe
Resource
win7-20231129-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
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Target
VirusShare_6cef53812dca6db17872a41b15b28cb2.exe
-
Size
634KB
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MD5
6cef53812dca6db17872a41b15b28cb2
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SHA1
d641fd8cb15634a8391b8d6a7e2e204d905adad7
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SHA256
18f807416a6d91f878ee2008b8cdb1638f7c9a759efbec15e984caecc9f179f7
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SHA512
1586db052a80d61a88134484f3faacf5a9305e7b22ca0ffa35302334f3f6d993bab13d81f3775f4490eb9f6d5684828b9e094ee75d3d9615940505fe5ebd98c0
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SSDEEP
12288:4JTG4GjeZHkwuPikQ7lKH5p5H9x1neZHkwuTiBQVlKz5p9xl/lfy:4JTG4GjeZEXi37l6Br1neZELiGVls1f4
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation VirusShare_6cef53812dca6db17872a41b15b28cb2.exe -
Loads dropped DLL 2 IoCs
pid Process 2660 VirusShare_6cef53812dca6db17872a41b15b28cb2.exe 4904 regsvr32.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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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\{96a45ffe-fa70-446c-b5c9-3b0477082f64} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{96a45ffe-fa70-446c-b5c9-3b0477082f64}\ = "MediaWatchV1home3046" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{96a45ffe-fa70-446c-b5c9-3b0477082f64}\NoExplorer = "1" regsvr32.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\System32\GroupPolicy VirusShare_6cef53812dca6db17872a41b15b28cb2.exe File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini VirusShare_6cef53812dca6db17872a41b15b28cb2.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol VirusShare_6cef53812dca6db17872a41b15b28cb2.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI VirusShare_6cef53812dca6db17872a41b15b28cb2.exe -
Drops file in Program Files directory 22 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home3046\ff\chrome\content\icons\default\MediaWatchV1home3046_32.png VirusShare_6cef53812dca6db17872a41b15b28cb2.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home3046\ch\MediaWatchV1home3046.crx VirusShare_6cef53812dca6db17872a41b15b28cb2.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home3046\ff\install.rdf VirusShare_6cef53812dca6db17872a41b15b28cb2.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home3046\ff\chrome\content\ffMediaWatchV1home3046.js VirusShare_6cef53812dca6db17872a41b15b28cb2.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home3046\ff\chrome\content\ffMediaWatchV1home3046ffaction.js VirusShare_6cef53812dca6db17872a41b15b28cb2.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home3046\ff\chrome\content\icons\Thumbs.db VirusShare_6cef53812dca6db17872a41b15b28cb2.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home3046\ff\chrome.manifest VirusShare_6cef53812dca6db17872a41b15b28cb2.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home3046\ff\chrome\content\ffMediaWatchV1home3046.js VirusShare_6cef53812dca6db17872a41b15b28cb2.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home3046\ff\chrome\content\overlay.xul VirusShare_6cef53812dca6db17872a41b15b28cb2.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home3046\ff\chrome\content\icons VirusShare_6cef53812dca6db17872a41b15b28cb2.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home3046\ff\chrome\content\icons\Thumbs.db VirusShare_6cef53812dca6db17872a41b15b28cb2.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home3046\ff\chrome.manifest VirusShare_6cef53812dca6db17872a41b15b28cb2.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home3046\ff\chrome VirusShare_6cef53812dca6db17872a41b15b28cb2.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home3046\ff\chrome\content\overlay.xul VirusShare_6cef53812dca6db17872a41b15b28cb2.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home3046\ff\chrome\content\icons\default VirusShare_6cef53812dca6db17872a41b15b28cb2.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home3046\ff\chrome\content\icons\default\MediaWatchV1home3046_32.png VirusShare_6cef53812dca6db17872a41b15b28cb2.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home3046\uninstall.exe VirusShare_6cef53812dca6db17872a41b15b28cb2.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home3046\ie\MediaWatchV1home3046.dll VirusShare_6cef53812dca6db17872a41b15b28cb2.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home3046\ch\MediaWatchV1home3046.crx VirusShare_6cef53812dca6db17872a41b15b28cb2.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home3046\ff\install.rdf VirusShare_6cef53812dca6db17872a41b15b28cb2.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home3046\ff\chrome\content VirusShare_6cef53812dca6db17872a41b15b28cb2.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home3046\ff\chrome\content\ffMediaWatchV1home3046ffaction.js VirusShare_6cef53812dca6db17872a41b15b28cb2.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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description ioc Process Key created \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Software\Microsoft\Internet Explorer\Approved Extensions VirusShare_6cef53812dca6db17872a41b15b28cb2.exe Set value (data) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Approved Extensions\{96a45ffe-fa70-446c-b5c9-3b0477082f64} = 51667a6c4c1d3b1bee40b7894fab0a0aaacb7a44744f6b71 VirusShare_6cef53812dca6db17872a41b15b28cb2.exe -
Modifies registry class 36 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{40226023-17B8-4E12-B212-375016C20E60}\1.1\0\win32\ = "C:\\Program Files (x86)\\MediaWatchV1\\MediaWatchV1home3046\\ie\\MediaWatchV1home3046.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9147CD21-8F80-4491-9732-A5AF825A56FA}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{40226023-17B8-4E12-B212-375016C20E60}\1.1\FLAGS\ = "0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9147CD21-8F80-4491-9732-A5AF825A56FA}\ = "IMediaWatchV1home3046BHO" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9147CD21-8F80-4491-9732-A5AF825A56FA}\TypeLib\ = "{40226023-17B8-4E12-B212-375016C20E60}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{96a45ffe-fa70-446c-b5c9-3b0477082f64}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{40226023-17B8-4E12-B212-375016C20E60}\1.1\0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{40226023-17B8-4E12-B212-375016C20E60}\1.1\HELPDIR\ = "C:\\Program Files (x86)\\MediaWatchV1\\MediaWatchV1home3046\\ie" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{96a45ffe-fa70-446c-b5c9-3b0477082f64}\TypeLib\ = "{40226023-17b8-4e12-b212-375016c20e60}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9147CD21-8F80-4491-9732-A5AF825A56FA}\TypeLib\Version = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9147CD21-8F80-4491-9732-A5AF825A56FA}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9147CD21-8F80-4491-9732-A5AF825A56FA}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9147CD21-8F80-4491-9732-A5AF825A56FA}\TypeLib\ = "{40226023-17B8-4E12-B212-375016C20E60}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9147CD21-8F80-4491-9732-A5AF825A56FA}\TypeLib\Version = "1.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{96a45ffe-fa70-446c-b5c9-3b0477082f64}\InprocServer32\ = "C:\\Program Files (x86)\\MediaWatchV1\\MediaWatchV1home3046\\ie\\MediaWatchV1home3046.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{96a45ffe-fa70-446c-b5c9-3b0477082f64}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{40226023-17B8-4E12-B212-375016C20E60} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9147CD21-8F80-4491-9732-A5AF825A56FA}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9147CD21-8F80-4491-9732-A5AF825A56FA} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{96a45ffe-fa70-446c-b5c9-3b0477082f64}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{40226023-17B8-4E12-B212-375016C20E60}\1.1\HELPDIR regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9147CD21-8F80-4491-9732-A5AF825A56FA} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9147CD21-8F80-4491-9732-A5AF825A56FA}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{96a45ffe-fa70-446c-b5c9-3b0477082f64} VirusShare_6cef53812dca6db17872a41b15b28cb2.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9147CD21-8F80-4491-9732-A5AF825A56FA}\ = "IMediaWatchV1home3046BHO" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{96a45ffe-fa70-446c-b5c9-3b0477082f64}\ = "Media Watch" VirusShare_6cef53812dca6db17872a41b15b28cb2.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{96a45ffe-fa70-446c-b5c9-3b0477082f64}\ = "MediaWatchV1home3046" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{96a45ffe-fa70-446c-b5c9-3b0477082f64}\Version regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{96a45ffe-fa70-446c-b5c9-3b0477082f64}\Version\ = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{40226023-17B8-4E12-B212-375016C20E60}\1.1\0\win32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9147CD21-8F80-4491-9732-A5AF825A56FA}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{96a45ffe-fa70-446c-b5c9-3b0477082f64} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{96a45ffe-fa70-446c-b5c9-3b0477082f64}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{40226023-17B8-4E12-B212-375016C20E60}\1.1 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{40226023-17B8-4E12-B212-375016C20E60}\1.1\ = "MediaWatchV1home3046Lib" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{40226023-17B8-4E12-B212-375016C20E60}\1.1\FLAGS regsvr32.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2660 VirusShare_6cef53812dca6db17872a41b15b28cb2.exe 2660 VirusShare_6cef53812dca6db17872a41b15b28cb2.exe 2660 VirusShare_6cef53812dca6db17872a41b15b28cb2.exe 2660 VirusShare_6cef53812dca6db17872a41b15b28cb2.exe 2660 VirusShare_6cef53812dca6db17872a41b15b28cb2.exe 2660 VirusShare_6cef53812dca6db17872a41b15b28cb2.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2660 wrote to memory of 4904 2660 VirusShare_6cef53812dca6db17872a41b15b28cb2.exe 85 PID 2660 wrote to memory of 4904 2660 VirusShare_6cef53812dca6db17872a41b15b28cb2.exe 85 PID 2660 wrote to memory of 4904 2660 VirusShare_6cef53812dca6db17872a41b15b28cb2.exe 85 PID 2660 wrote to memory of 2728 2660 VirusShare_6cef53812dca6db17872a41b15b28cb2.exe 90 PID 2660 wrote to memory of 2728 2660 VirusShare_6cef53812dca6db17872a41b15b28cb2.exe 90 PID 2660 wrote to memory of 2728 2660 VirusShare_6cef53812dca6db17872a41b15b28cb2.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\VirusShare_6cef53812dca6db17872a41b15b28cb2.exe"C:\Users\Admin\AppData\Local\Temp\VirusShare_6cef53812dca6db17872a41b15b28cb2.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2660 -
C:\Windows\SysWOW64\regsvr32.exeregsvr32 "C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home3046\ie\MediaWatchV1home3046.dll" /s2⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:4904
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C:\Windows\SysWOW64\gpupdate.exe"C:\Windows\System32\gpupdate.exe" /force2⤵PID:2728
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc1⤵PID:3524
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum1⤵PID:4568
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
85KB
MD51b41a959e93ec9bb510faa04cb63396f
SHA11f1d08bc0c59edb5d585ae6cbf3ef40bc5c0fb6a
SHA256bb29aa10b8a138e580caa9d1275b85d0c72dac2ad769ee686d191389ef362e0d
SHA5124f11f50195949f8c1a7908c6149264e63d05b814f09577ea38254f285d4e700aa3ce1713d52934a2aa14ef0e68bc2fca94c7d988bf04a70d75e314be846b1f18
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Filesize
559KB
MD551ba1095f0ae45a2d444bea506cb9ad4
SHA1038a5d53d055a6d440bd2c8864c2f51db206c5e5
SHA256b620091bf9973e807e12155d2247a6d233b5d13ec38c426675470ab4b26f0539
SHA512f5fe2dd0f19bcaab47540ceedbec71f7f7c5b833c8772c097594c458e5f1101fe9feb849812b65c175055f71dfb13f11c4ad94fef42cd66f247413e453de3361