Overview
overview
7Static
static
3VirusShare...4b.exe
windows7-x64
7VirusShare...4b.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/...456.js
windows7-x64
1ff/chrome/...456.js
windows10-2004-x64
1ff/chrome/...ion.js
windows7-x64
1ff/chrome/...ion.js
windows10-2004-x64
1ie/MediaWa...56.dll
windows7-x64
6ie/MediaWa...56.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
120s - max time network
122s - platform
windows7_x64 - resource
win7-20231129-en - resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system - submitted
05/02/2024, 08:12
Static task
static1
Behavioral task
behavioral1
Sample
VirusShare_4a9548854beab57f1606eb25d3f2244b.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
VirusShare_4a9548854beab57f1606eb25d3f2244b.exe
Resource
win10v2004-20231222-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/aminsis.dll
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/aminsis.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral5
Sample
ffMediaWatchV1home2456chaction.js
Resource
win7-20231215-en
Behavioral task
behavioral6
Sample
ffMediaWatchV1home2456chaction.js
Resource
win10v2004-20231222-en
Behavioral task
behavioral7
Sample
ff/chrome/content/ffMediaWatchV1home2456.js
Resource
win7-20231215-en
Behavioral task
behavioral8
Sample
ff/chrome/content/ffMediaWatchV1home2456.js
Resource
win10v2004-20231215-en
Behavioral task
behavioral9
Sample
ff/chrome/content/ffMediaWatchV1home2456ffaction.js
Resource
win7-20231129-en
Behavioral task
behavioral10
Sample
ff/chrome/content/ffMediaWatchV1home2456ffaction.js
Resource
win10v2004-20231215-en
Behavioral task
behavioral11
Sample
ie/MediaWatchV1home2456.dll
Resource
win7-20231215-en
Behavioral task
behavioral12
Sample
ie/MediaWatchV1home2456.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
- Target VirusShare_4a9548854beab57f1606eb25d3f2244b.exe
- Size 634KB
- Sample240205-j3vlcsbcc5
- SHA256 47a75b61d11baf1a55a3e5891a473af8bdb28c31d0517bb344428066d7793949
- MD5 4a9548854beab57f1606eb25d3f2244b
- SHA1 870d6f391bd60f7b1e6a02e74da3ff9cb8b37230
- SHA512 664f0bfc53a2f95e39af8a2916b9111da3b3b9ba8f7aa1ee57b53283e39d24ef657cd08da85f6986ca53949d61213fce22ea4dcd6e0924b75222454111cdbf41
- SSDEEP 12288:cr//vs/MG4GjeZHkwuPikQ7lKH5p5H9x18eZHkwuXi5QvlK75pnxWlfW:czvs/MG4GjeZEXi37l6Br18eZEviuvla
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Loads dropped DLL 2 IoCs
pid Process 2004 VirusShare_4a9548854beab57f1606eb25d3f2244b.exe 2008 regsvr32.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- 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\{4bf0a3eb-3059-4f81-8d0a-0b161799a50a} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{4bf0a3eb-3059-4f81-8d0a-0b161799a50a}\ = "MediaWatchV1home2456" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{4bf0a3eb-3059-4f81-8d0a-0b161799a50a}\NoExplorer = "1" regsvr32.exe - Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\System32\GroupPolicy VirusShare_4a9548854beab57f1606eb25d3f2244b.exe File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini VirusShare_4a9548854beab57f1606eb25d3f2244b.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol VirusShare_4a9548854beab57f1606eb25d3f2244b.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI VirusShare_4a9548854beab57f1606eb25d3f2244b.exe - Drops file in Program Files directory 22 IoCs
description ioc Process File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home2456\ie\MediaWatchV1home2456.dll VirusShare_4a9548854beab57f1606eb25d3f2244b.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home2456\ff\chrome\content\ffMediaWatchV1home2456.js VirusShare_4a9548854beab57f1606eb25d3f2244b.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home2456\uninstall.exe VirusShare_4a9548854beab57f1606eb25d3f2244b.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home2456\ff\chrome\content\icons\default VirusShare_4a9548854beab57f1606eb25d3f2244b.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home2456\ff\chrome.manifest VirusShare_4a9548854beab57f1606eb25d3f2244b.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home2456\ff\install.rdf VirusShare_4a9548854beab57f1606eb25d3f2244b.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home2456\ff\chrome\content\overlay.xul VirusShare_4a9548854beab57f1606eb25d3f2244b.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home2456\ff\chrome\content\overlay.xul VirusShare_4a9548854beab57f1606eb25d3f2244b.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home2456\ff\chrome\content\icons\Thumbs.db VirusShare_4a9548854beab57f1606eb25d3f2244b.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home2456\ff\chrome.manifest VirusShare_4a9548854beab57f1606eb25d3f2244b.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home2456\ff\install.rdf VirusShare_4a9548854beab57f1606eb25d3f2244b.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home2456\ff\chrome\content\icons VirusShare_4a9548854beab57f1606eb25d3f2244b.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home2456\ff\chrome\content\icons\Thumbs.db VirusShare_4a9548854beab57f1606eb25d3f2244b.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home2456\ff\chrome\content\icons\default\MediaWatchV1home2456_32.png VirusShare_4a9548854beab57f1606eb25d3f2244b.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home2456\ff\chrome\content\ffMediaWatchV1home2456ffaction.js VirusShare_4a9548854beab57f1606eb25d3f2244b.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home2456\ff\chrome\content\ffMediaWatchV1home2456ffaction.js VirusShare_4a9548854beab57f1606eb25d3f2244b.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home2456\ff\chrome\content\icons\default\MediaWatchV1home2456_32.png VirusShare_4a9548854beab57f1606eb25d3f2244b.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home2456\ch\MediaWatchV1home2456.crx VirusShare_4a9548854beab57f1606eb25d3f2244b.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home2456\ch\MediaWatchV1home2456.crx VirusShare_4a9548854beab57f1606eb25d3f2244b.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home2456\ff\chrome VirusShare_4a9548854beab57f1606eb25d3f2244b.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home2456\ff\chrome\content VirusShare_4a9548854beab57f1606eb25d3f2244b.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home2456\ff\chrome\content\ffMediaWatchV1home2456.js VirusShare_4a9548854beab57f1606eb25d3f2244b.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
description ioc Process Set value (data) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Approved Extensions\{4bf0a3eb-3059-4f81-8d0a-0b161799a50a} = 51667a6c4c1d3b1bfbbee4506965ef0799034d5613dae617 VirusShare_4a9548854beab57f1606eb25d3f2244b.exe Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Approved Extensions VirusShare_4a9548854beab57f1606eb25d3f2244b.exe - Modifies registry class 36 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{21BE1E23-D1E0-4C99-910A-C9BB43918A89}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4bf0a3eb-3059-4f81-8d0a-0b161799a50a} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4bf0a3eb-3059-4f81-8d0a-0b161799a50a}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B2C2C7D1-0154-43B5-8065-81E6691459A2}\1.1\ = "MediaWatchV1home2456Lib" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{21BE1E23-D1E0-4C99-910A-C9BB43918A89}\ = "IMediaWatchV1home2456BHO" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{21BE1E23-D1E0-4C99-910A-C9BB43918A89}\TypeLib\ = "{B2C2C7D1-0154-43B5-8065-81E6691459A2}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{21BE1E23-D1E0-4C99-910A-C9BB43918A89}\TypeLib\Version = "1.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{21BE1E23-D1E0-4C99-910A-C9BB43918A89}\TypeLib\Version = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B2C2C7D1-0154-43B5-8065-81E6691459A2} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B2C2C7D1-0154-43B5-8065-81E6691459A2}\1.1\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{21BE1E23-D1E0-4C99-910A-C9BB43918A89} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{21BE1E23-D1E0-4C99-910A-C9BB43918A89}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{21BE1E23-D1E0-4C99-910A-C9BB43918A89}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4bf0a3eb-3059-4f81-8d0a-0b161799a50a}\TypeLib\ = "{b2c2c7d1-0154-43b5-8065-81e6691459a2}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B2C2C7D1-0154-43B5-8065-81E6691459A2}\1.1\FLAGS\ = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B2C2C7D1-0154-43B5-8065-81E6691459A2}\1.1\0\win32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{21BE1E23-D1E0-4C99-910A-C9BB43918A89}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{21BE1E23-D1E0-4C99-910A-C9BB43918A89}\ = "IMediaWatchV1home2456BHO" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{21BE1E23-D1E0-4C99-910A-C9BB43918A89}\TypeLib\ = "{B2C2C7D1-0154-43B5-8065-81E6691459A2}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4bf0a3eb-3059-4f81-8d0a-0b161799a50a}\ = "MediaWatchV1home2456" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4bf0a3eb-3059-4f81-8d0a-0b161799a50a}\InprocServer32\ = "C:\\Program Files (x86)\\MediaWatchV1\\MediaWatchV1home2456\\ie\\MediaWatchV1home2456.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B2C2C7D1-0154-43B5-8065-81E6691459A2}\1.1\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4bf0a3eb-3059-4f81-8d0a-0b161799a50a}\ = "Media Watch" VirusShare_4a9548854beab57f1606eb25d3f2244b.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4bf0a3eb-3059-4f81-8d0a-0b161799a50a}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4bf0a3eb-3059-4f81-8d0a-0b161799a50a}\Version regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B2C2C7D1-0154-43B5-8065-81E6691459A2}\1.1\0\win32\ = "C:\\Program Files (x86)\\MediaWatchV1\\MediaWatchV1home2456\\ie\\MediaWatchV1home2456.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{21BE1E23-D1E0-4C99-910A-C9BB43918A89}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4bf0a3eb-3059-4f81-8d0a-0b161799a50a} VirusShare_4a9548854beab57f1606eb25d3f2244b.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4bf0a3eb-3059-4f81-8d0a-0b161799a50a}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4bf0a3eb-3059-4f81-8d0a-0b161799a50a}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B2C2C7D1-0154-43B5-8065-81E6691459A2}\1.1 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B2C2C7D1-0154-43B5-8065-81E6691459A2}\1.1\FLAGS regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B2C2C7D1-0154-43B5-8065-81E6691459A2}\1.1\HELPDIR\ = "C:\\Program Files (x86)\\MediaWatchV1\\MediaWatchV1home2456\\ie" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{21BE1E23-D1E0-4C99-910A-C9BB43918A89} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4bf0a3eb-3059-4f81-8d0a-0b161799a50a}\Version\ = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{21BE1E23-D1E0-4C99-910A-C9BB43918A89}\TypeLib regsvr32.exe - Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2004 VirusShare_4a9548854beab57f1606eb25d3f2244b.exe 2004 VirusShare_4a9548854beab57f1606eb25d3f2244b.exe 2004 VirusShare_4a9548854beab57f1606eb25d3f2244b.exe - Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 2004 wrote to memory of 2008 2004 VirusShare_4a9548854beab57f1606eb25d3f2244b.exe 28 PID 2004 wrote to memory of 2008 2004 VirusShare_4a9548854beab57f1606eb25d3f2244b.exe 28 PID 2004 wrote to memory of 2008 2004 VirusShare_4a9548854beab57f1606eb25d3f2244b.exe 28 PID 2004 wrote to memory of 2008 2004 VirusShare_4a9548854beab57f1606eb25d3f2244b.exe 28 PID 2004 wrote to memory of 2008 2004 VirusShare_4a9548854beab57f1606eb25d3f2244b.exe 28 PID 2004 wrote to memory of 2008 2004 VirusShare_4a9548854beab57f1606eb25d3f2244b.exe 28 PID 2004 wrote to memory of 2008 2004 VirusShare_4a9548854beab57f1606eb25d3f2244b.exe 28 PID 2004 wrote to memory of 2720 2004 VirusShare_4a9548854beab57f1606eb25d3f2244b.exe 29 PID 2004 wrote to memory of 2720 2004 VirusShare_4a9548854beab57f1606eb25d3f2244b.exe 29 PID 2004 wrote to memory of 2720 2004 VirusShare_4a9548854beab57f1606eb25d3f2244b.exe 29 PID 2004 wrote to memory of 2720 2004 VirusShare_4a9548854beab57f1606eb25d3f2244b.exe 29 PID 2004 wrote to memory of 2720 2004 VirusShare_4a9548854beab57f1606eb25d3f2244b.exe 29 PID 2004 wrote to memory of 2720 2004 VirusShare_4a9548854beab57f1606eb25d3f2244b.exe 29 PID 2004 wrote to memory of 2720 2004 VirusShare_4a9548854beab57f1606eb25d3f2244b.exe 29
Processes
-
C:\Users\Admin\AppData\Local\Temp\VirusShare_4a9548854beab57f1606eb25d3f2244b.exe"C:\Users\Admin\AppData\Local\Temp\VirusShare_4a9548854beab57f1606eb25d3f2244b.exe"1⤵
- 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:2004 -
C:\Windows\SysWOW64\regsvr32.exeregsvr32 "C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home2456\ie\MediaWatchV1home2456.dll" /s2⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:2008
-
-
C:\Windows\SysWOW64\gpupdate.exe"C:\Windows\System32\gpupdate.exe" /force2⤵PID:2720
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path \Program Files (x86)\MediaWatchV1\MediaWatchV1home2456\ie\MediaWatchV1home2456.dll
- Size 85KB
- SHA256 58c627b2b717c57599b2d222d5dd83485bff5f9593063623f6e12bbc10e51957
- MD5 51e35bccbf8769800aa1c4f73fe6dd06
- SHA1 498e4637a5009af71ccce5d0aac7dcb9c6cadd1c
- SHA512 773ea82ba1b1d873cf6ecb6a3130f8e05293358704505fdf4b922c919eb26a02ce53138a93515f3e9ab8af0549c2dacea0bda93ff02b1d39e928822faa67e29f
- SSDEEP 1536:c8/1CsEmka04RhRtahrOb8DkhyWHA9glQANh5:H12mka0ElahrO2WguaANh
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Local\Temp\nsd14AA.tmp\aminsis.dll
- Size 559KB
- SHA256 b620091bf9973e807e12155d2247a6d233b5d13ec38c426675470ab4b26f0539
- MD5 51ba1095f0ae45a2d444bea506cb9ad4
- SHA1 038a5d53d055a6d440bd2c8864c2f51db206c5e5
- SHA512 f5fe2dd0f19bcaab47540ceedbec71f7f7c5b833c8772c097594c458e5f1101fe9feb849812b65c175055f71dfb13f11c4ad94fef42cd66f247413e453de3361
- SSDEEP 12288:kbdmSvBuSrDWoN/8Z+iZz2ULoygI/htZw3EKwcxi0T8NGAmN:bSvBuSG7+iZz2ULoyXZzw3E2tT8UAmN
- MD5 SHA1 SHA512 SSDEEP