Overview
overview
7Static
static
3VirusShare...a9.exe
windows7-x64
7VirusShare...a9.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/...633.js
windows7-x64
1ff/chrome/...633.js
windows10-2004-x64
1ff/chrome/...ion.js
windows7-x64
1ff/chrome/...ion.js
windows10-2004-x64
1ie/MediaWa...33.dll
windows7-x64
6ie/MediaWa...33.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
121s - max time network
96s - 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, 20:53
Static task
static1
Behavioral task
behavioral1
Sample
VirusShare_fb3372c20be0b599313c4bd1988988a9.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
VirusShare_fb3372c20be0b599313c4bd1988988a9.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/aminsis.dll
Resource
win7-20231129-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/aminsis.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral5
Sample
ffMediaWatchV1home2633chaction.js
Resource
win7-20231215-en
Behavioral task
behavioral6
Sample
ffMediaWatchV1home2633chaction.js
Resource
win10v2004-20231215-en
Behavioral task
behavioral7
Sample
ff/chrome/content/ffMediaWatchV1home2633.js
Resource
win7-20231129-en
Behavioral task
behavioral8
Sample
ff/chrome/content/ffMediaWatchV1home2633.js
Resource
win10v2004-20231215-en
Behavioral task
behavioral9
Sample
ff/chrome/content/ffMediaWatchV1home2633ffaction.js
Resource
win7-20231129-en
Behavioral task
behavioral10
Sample
ff/chrome/content/ffMediaWatchV1home2633ffaction.js
Resource
win10v2004-20231215-en
Behavioral task
behavioral11
Sample
ie/MediaWatchV1home2633.dll
Resource
win7-20231215-en
Behavioral task
behavioral12
Sample
ie/MediaWatchV1home2633.dll
Resource
win10v2004-20231222-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 VirusShare_fb3372c20be0b599313c4bd1988988a9.exe
- Size 634KB
- Sample240204-zpmxcscefl
- SHA256 cb07b8fc43fe913578efd6a6480d9477301aa0230a413dac255803b0af957dde
- MD5 fb3372c20be0b599313c4bd1988988a9
- SHA1 6f123aa9c041dff29cfeabc99e76cf10b8fb3b76
- SHA512 ceec5e456c9cd3a3ec22c23b545969c0dcb03589988a3afc974df7a364f3359a164420e5af22efa4ee6a3769cf92da13f2ed030a9be06e3433995edd8617d9d8
- SSDEEP 12288:LcK5G4GjeZHkwuPikQ7lKH5p5H9x1zeZHkwuViRQJlKT5pjxFlfD:LcsG4GjeZEXi37l6Br1zeZEti2JlMrfd
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- 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-1-5-21-1232405761-1209240240-3206092754-1000\Control Panel\International\Geo\Nation VirusShare_fb3372c20be0b599313c4bd1988988a9.exe - Loads dropped DLL 2 IoCs
pid Process 60 VirusShare_fb3372c20be0b599313c4bd1988988a9.exe 212 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\{cb4deb6d-f2b3-4c89-bf38-e8c90fcd54c9} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{cb4deb6d-f2b3-4c89-bf38-e8c90fcd54c9}\ = "MediaWatchV1home2633" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{cb4deb6d-f2b3-4c89-bf38-e8c90fcd54c9}\NoExplorer = "1" regsvr32.exe - Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\System32\GroupPolicy VirusShare_fb3372c20be0b599313c4bd1988988a9.exe File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini VirusShare_fb3372c20be0b599313c4bd1988988a9.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol VirusShare_fb3372c20be0b599313c4bd1988988a9.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI VirusShare_fb3372c20be0b599313c4bd1988988a9.exe - Drops file in Program Files directory 22 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home2633\ff\chrome\content\icons\default VirusShare_fb3372c20be0b599313c4bd1988988a9.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home2633\ff\chrome\content\icons\default\MediaWatchV1home2633_32.png VirusShare_fb3372c20be0b599313c4bd1988988a9.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home2633\ff\chrome\content\icons\default\MediaWatchV1home2633_32.png VirusShare_fb3372c20be0b599313c4bd1988988a9.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home2633\ff\install.rdf VirusShare_fb3372c20be0b599313c4bd1988988a9.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home2633\ff\chrome\content\ffMediaWatchV1home2633ffaction.js VirusShare_fb3372c20be0b599313c4bd1988988a9.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home2633\ff\chrome\content\ffMediaWatchV1home2633ffaction.js VirusShare_fb3372c20be0b599313c4bd1988988a9.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home2633\ff\chrome\content\overlay.xul VirusShare_fb3372c20be0b599313c4bd1988988a9.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home2633\ff\chrome\content\icons\Thumbs.db VirusShare_fb3372c20be0b599313c4bd1988988a9.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home2633\ch\MediaWatchV1home2633.crx VirusShare_fb3372c20be0b599313c4bd1988988a9.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home2633\ff\install.rdf VirusShare_fb3372c20be0b599313c4bd1988988a9.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home2633\ff\chrome VirusShare_fb3372c20be0b599313c4bd1988988a9.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home2633\ff\chrome.manifest VirusShare_fb3372c20be0b599313c4bd1988988a9.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home2633\ff\chrome\content VirusShare_fb3372c20be0b599313c4bd1988988a9.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home2633\ff\chrome\content\ffMediaWatchV1home2633.js VirusShare_fb3372c20be0b599313c4bd1988988a9.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home2633\ff\chrome\content\overlay.xul VirusShare_fb3372c20be0b599313c4bd1988988a9.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home2633\uninstall.exe VirusShare_fb3372c20be0b599313c4bd1988988a9.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home2633\ff\chrome\content\icons\Thumbs.db VirusShare_fb3372c20be0b599313c4bd1988988a9.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home2633\ie\MediaWatchV1home2633.dll VirusShare_fb3372c20be0b599313c4bd1988988a9.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home2633\ch\MediaWatchV1home2633.crx VirusShare_fb3372c20be0b599313c4bd1988988a9.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home2633\ff\chrome.manifest VirusShare_fb3372c20be0b599313c4bd1988988a9.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home2633\ff\chrome\content\ffMediaWatchV1home2633.js VirusShare_fb3372c20be0b599313c4bd1988988a9.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home2633\ff\chrome\content\icons VirusShare_fb3372c20be0b599313c4bd1988988a9.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\Approved Extensions VirusShare_fb3372c20be0b599313c4bd1988988a9.exe Set value (data) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Approved Extensions\{cb4deb6d-f2b3-4c89-bf38-e8c90fcd54c9} = 51667a6c4c1d3b1b7df45dd186a5e604a435ab890e8c11dc VirusShare_fb3372c20be0b599313c4bd1988988a9.exe - Modifies registry class 36 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DDC20409-6D81-476C-B934-2C533FE4D25A} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DDC20409-6D81-476C-B934-2C533FE4D25A}\1.1\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E0DD1BAB-251A-4727-A714-E5A3EFB4D3C8}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E0DD1BAB-251A-4727-A714-E5A3EFB4D3C8}\TypeLib\Version = "1.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E0DD1BAB-251A-4727-A714-E5A3EFB4D3C8}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{cb4deb6d-f2b3-4c89-bf38-e8c90fcd54c9}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DDC20409-6D81-476C-B934-2C533FE4D25A}\1.1\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E0DD1BAB-251A-4727-A714-E5A3EFB4D3C8}\ = "IMediaWatchV1home2633BHO" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E0DD1BAB-251A-4727-A714-E5A3EFB4D3C8}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E0DD1BAB-251A-4727-A714-E5A3EFB4D3C8}\TypeLib\ = "{DDC20409-6D81-476C-B934-2C533FE4D25A}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E0DD1BAB-251A-4727-A714-E5A3EFB4D3C8}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{cb4deb6d-f2b3-4c89-bf38-e8c90fcd54c9}\ = "MediaWatchV1home2633" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{cb4deb6d-f2b3-4c89-bf38-e8c90fcd54c9}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DDC20409-6D81-476C-B934-2C533FE4D25A}\1.1 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E0DD1BAB-251A-4727-A714-E5A3EFB4D3C8}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E0DD1BAB-251A-4727-A714-E5A3EFB4D3C8}\ = "IMediaWatchV1home2633BHO" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{cb4deb6d-f2b3-4c89-bf38-e8c90fcd54c9}\InprocServer32\ = "C:\\Program Files (x86)\\MediaWatchV1\\MediaWatchV1home2633\\ie\\MediaWatchV1home2633.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{cb4deb6d-f2b3-4c89-bf38-e8c90fcd54c9} VirusShare_fb3372c20be0b599313c4bd1988988a9.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{cb4deb6d-f2b3-4c89-bf38-e8c90fcd54c9} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{cb4deb6d-f2b3-4c89-bf38-e8c90fcd54c9}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E0DD1BAB-251A-4727-A714-E5A3EFB4D3C8}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E0DD1BAB-251A-4727-A714-E5A3EFB4D3C8}\TypeLib\Version = "1.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{cb4deb6d-f2b3-4c89-bf38-e8c90fcd54c9}\ = "Media Watch" VirusShare_fb3372c20be0b599313c4bd1988988a9.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{cb4deb6d-f2b3-4c89-bf38-e8c90fcd54c9}\TypeLib\ = "{ddc20409-6d81-476c-b934-2c533fe4d25a}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{cb4deb6d-f2b3-4c89-bf38-e8c90fcd54c9}\Version\ = "1.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E0DD1BAB-251A-4727-A714-E5A3EFB4D3C8}\TypeLib\ = "{DDC20409-6D81-476C-B934-2C533FE4D25A}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{cb4deb6d-f2b3-4c89-bf38-e8c90fcd54c9}\Programmable regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DDC20409-6D81-476C-B934-2C533FE4D25A}\1.1\FLAGS\ = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DDC20409-6D81-476C-B934-2C533FE4D25A}\1.1\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DDC20409-6D81-476C-B934-2C533FE4D25A}\1.1\HELPDIR\ = "C:\\Program Files (x86)\\MediaWatchV1\\MediaWatchV1home2633\\ie" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E0DD1BAB-251A-4727-A714-E5A3EFB4D3C8} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{cb4deb6d-f2b3-4c89-bf38-e8c90fcd54c9}\Version regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DDC20409-6D81-476C-B934-2C533FE4D25A}\1.1\ = "MediaWatchV1home2633Lib" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DDC20409-6D81-476C-B934-2C533FE4D25A}\1.1\FLAGS regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DDC20409-6D81-476C-B934-2C533FE4D25A}\1.1\0\win32\ = "C:\\Program Files (x86)\\MediaWatchV1\\MediaWatchV1home2633\\ie\\MediaWatchV1home2633.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E0DD1BAB-251A-4727-A714-E5A3EFB4D3C8} regsvr32.exe - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 60 VirusShare_fb3372c20be0b599313c4bd1988988a9.exe 60 VirusShare_fb3372c20be0b599313c4bd1988988a9.exe 60 VirusShare_fb3372c20be0b599313c4bd1988988a9.exe 60 VirusShare_fb3372c20be0b599313c4bd1988988a9.exe 60 VirusShare_fb3372c20be0b599313c4bd1988988a9.exe 60 VirusShare_fb3372c20be0b599313c4bd1988988a9.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 60 wrote to memory of 212 60 VirusShare_fb3372c20be0b599313c4bd1988988a9.exe 84 PID 60 wrote to memory of 212 60 VirusShare_fb3372c20be0b599313c4bd1988988a9.exe 84 PID 60 wrote to memory of 212 60 VirusShare_fb3372c20be0b599313c4bd1988988a9.exe 84 PID 60 wrote to memory of 1908 60 VirusShare_fb3372c20be0b599313c4bd1988988a9.exe 88 PID 60 wrote to memory of 1908 60 VirusShare_fb3372c20be0b599313c4bd1988988a9.exe 88 PID 60 wrote to memory of 1908 60 VirusShare_fb3372c20be0b599313c4bd1988988a9.exe 88
Processes
-
C:\Users\Admin\AppData\Local\Temp\VirusShare_fb3372c20be0b599313c4bd1988988a9.exe"C:\Users\Admin\AppData\Local\Temp\VirusShare_fb3372c20be0b599313c4bd1988988a9.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:60 -
C:\Windows\SysWOW64\regsvr32.exeregsvr32 "C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home2633\ie\MediaWatchV1home2633.dll" /s2⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:212
-
-
C:\Windows\SysWOW64\gpupdate.exe"C:\Windows\System32\gpupdate.exe" /force2⤵PID:1908
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc1⤵PID:4276
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum1⤵PID:3428
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home2633\ie\MediaWatchV1home2633.dll
- Size 85KB
- SHA256 79eb987d66fb4bab872efdcf353ec85cf45630d61cf8c1d42fd64ad79e8566c6
- MD5 a2b5d73ceddca191fa0090458583b389
- SHA1 ed87382e4bfe9619a4ea5f3ef149931a6a929611
- SHA512 0be51e0395abb5e2cc5b873f8ddd65c38b20cf6e23e6d72c6606192d7e3df27cf4e1da2caab5b0c8c40b180461e7e3c79590faaf90e0d306ec933217fc914ad8
- SSDEEP 1536:68/1CsEmka04RhRtahrOb8DkhSmHA9glQMLSB:V12mka0ElahrOWmguaMLS
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\nsa5535.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