Overview
overview
7Static
static
3VirusShare...2c.exe
windows7-x64
7VirusShare...2c.exe
windows10-2004-x64
7$PLUGINSDI...is.dll
windows7-x64
3$PLUGINSDI...is.dll
windows10-2004-x64
3ffRichMedi...ion.js
windows7-x64
1ffRichMedi...ion.js
windows10-2004-x64
1ff/chrome/...234.js
windows7-x64
1ff/chrome/...234.js
windows10-2004-x64
1ff/chrome/...ion.js
windows7-x64
1ff/chrome/...ion.js
windows10-2004-x64
1ie/RichMed...34.dll
windows7-x64
6ie/RichMed...34.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
151s -
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, 16:21
Static task
static1
Behavioral task
behavioral1
Sample
VirusShare_de1d9d35a790080138c0aa5efd78ac2c.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
VirusShare_de1d9d35a790080138c0aa5efd78ac2c.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
ffRichMediaViewV1release234chaction.js
Resource
win7-20231129-en
Behavioral task
behavioral6
Sample
ffRichMediaViewV1release234chaction.js
Resource
win10v2004-20231222-en
Behavioral task
behavioral7
Sample
ff/chrome/content/ffRichMediaViewV1release234.js
Resource
win7-20231215-en
Behavioral task
behavioral8
Sample
ff/chrome/content/ffRichMediaViewV1release234.js
Resource
win10v2004-20231222-en
Behavioral task
behavioral9
Sample
ff/chrome/content/ffRichMediaViewV1release234ffaction.js
Resource
win7-20231215-en
Behavioral task
behavioral10
Sample
ff/chrome/content/ffRichMediaViewV1release234ffaction.js
Resource
win10v2004-20231215-en
Behavioral task
behavioral11
Sample
ie/RichMediaViewV1release234.dll
Resource
win7-20231215-en
Behavioral task
behavioral12
Sample
ie/RichMediaViewV1release234.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral13
Sample
uninstall.exe
Resource
win7-20231129-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
win10v2004-20231222-en
General
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Target
VirusShare_de1d9d35a790080138c0aa5efd78ac2c.exe
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Size
657KB
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MD5
de1d9d35a790080138c0aa5efd78ac2c
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SHA1
200c752cc0a14d35e88d9cf20ae7167fbe854a52
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SHA256
597c1d7ea178d6def194608b6bbf233a8892ec001a6c0063a35553dde948c5b0
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SHA512
181000822b86a08a520be38dc205eb804ca3aeee49f3d311287aa7cfaf5cb633e0b45df726192546f0494195043af199b6744d5474067d7ba65f74163b6d3dfc
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SSDEEP
12288:Q0SLgVCG4GQTq4OaQQTYJ8eP4/L5uO7D3f5Bkq4Ga7QT2J8ePP/Z5uO7FApmz/d:Q04gVCG4GQm4OaHYJ8eP4D5uOHBBZ4Ga
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-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation VirusShare_de1d9d35a790080138c0aa5efd78ac2c.exe -
Loads dropped DLL 2 IoCs
pid Process 1896 VirusShare_de1d9d35a790080138c0aa5efd78ac2c.exe 2296 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\{e79db0fa-cda8-4083-b5c6-ed1ad181a9fc} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{e79db0fa-cda8-4083-b5c6-ed1ad181a9fc}\ = "RichMediaViewV1release234" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{e79db0fa-cda8-4083-b5c6-ed1ad181a9fc}\NoExplorer = "1" regsvr32.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI VirusShare_de1d9d35a790080138c0aa5efd78ac2c.exe File opened for modification C:\Windows\System32\GroupPolicy VirusShare_de1d9d35a790080138c0aa5efd78ac2c.exe File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini VirusShare_de1d9d35a790080138c0aa5efd78ac2c.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol VirusShare_de1d9d35a790080138c0aa5efd78ac2c.exe -
Drops file in Program Files directory 22 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release234\ff\chrome\content\ffRichMediaViewV1release234ffaction.js VirusShare_de1d9d35a790080138c0aa5efd78ac2c.exe File created C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release234\ff\chrome\content\overlay.xul VirusShare_de1d9d35a790080138c0aa5efd78ac2c.exe File opened for modification C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release234\ff\chrome\content\icons\Thumbs.db VirusShare_de1d9d35a790080138c0aa5efd78ac2c.exe File opened for modification C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release234\ff\chrome\content\icons\default\RichMediaViewV1release234_32.png VirusShare_de1d9d35a790080138c0aa5efd78ac2c.exe File created C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release234\ie\RichMediaViewV1release234.dll VirusShare_de1d9d35a790080138c0aa5efd78ac2c.exe File created C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release234\ff\install.rdf VirusShare_de1d9d35a790080138c0aa5efd78ac2c.exe File opened for modification C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release234\ff\chrome\content VirusShare_de1d9d35a790080138c0aa5efd78ac2c.exe File created C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release234\ff\chrome\content\ffRichMediaViewV1release234ffaction.js VirusShare_de1d9d35a790080138c0aa5efd78ac2c.exe File created C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release234\uninstall.exe VirusShare_de1d9d35a790080138c0aa5efd78ac2c.exe File created C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release234\ch\RichMediaViewV1release234.crx VirusShare_de1d9d35a790080138c0aa5efd78ac2c.exe File opened for modification C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release234\ff\chrome\content\ffRichMediaViewV1release234.js VirusShare_de1d9d35a790080138c0aa5efd78ac2c.exe File created C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release234\ff\chrome\content\icons\default\RichMediaViewV1release234_32.png VirusShare_de1d9d35a790080138c0aa5efd78ac2c.exe File opened for modification C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release234\ff\chrome\content\icons VirusShare_de1d9d35a790080138c0aa5efd78ac2c.exe File opened for modification C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release234\ff\chrome.manifest VirusShare_de1d9d35a790080138c0aa5efd78ac2c.exe File opened for modification C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release234\ff\chrome VirusShare_de1d9d35a790080138c0aa5efd78ac2c.exe File created C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release234\ff\chrome\content\ffRichMediaViewV1release234.js VirusShare_de1d9d35a790080138c0aa5efd78ac2c.exe File opened for modification C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release234\ff\chrome\content\overlay.xul VirusShare_de1d9d35a790080138c0aa5efd78ac2c.exe File opened for modification C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release234\ff\chrome\content\icons\default VirusShare_de1d9d35a790080138c0aa5efd78ac2c.exe File opened for modification C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release234\ch\RichMediaViewV1release234.crx VirusShare_de1d9d35a790080138c0aa5efd78ac2c.exe File created C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release234\ff\chrome.manifest VirusShare_de1d9d35a790080138c0aa5efd78ac2c.exe File opened for modification C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release234\ff\install.rdf VirusShare_de1d9d35a790080138c0aa5efd78ac2c.exe File created C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release234\ff\chrome\content\icons\Thumbs.db VirusShare_de1d9d35a790080138c0aa5efd78ac2c.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-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\Approved Extensions VirusShare_de1d9d35a790080138c0aa5efd78ac2c.exe Set value (data) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Approved Extensions\{e79db0fa-cda8-4083-b5c6-ed1ad181a9fc} = 51667a6c4c1d3b1beaad87fe9c9bed0ca0cfa65ad0c1efe9 VirusShare_de1d9d35a790080138c0aa5efd78ac2c.exe -
Modifies registry class 36 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e79db0fa-cda8-4083-b5c6-ed1ad181a9fc}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e79db0fa-cda8-4083-b5c6-ed1ad181a9fc}\Version regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{78690644-8DA1-4D46-BB8D-032494388AD4}\1.1\HELPDIR\ = "C:\\Program Files (x86)\\RichMediaViewV1\\RichMediaViewV1release234\\ie" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{995D9358-246D-4577-B8A7-8CFC732DE2C3}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{995D9358-246D-4577-B8A7-8CFC732DE2C3}\TypeLib\Version = "1.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{995D9358-246D-4577-B8A7-8CFC732DE2C3}\TypeLib\Version = "1.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e79db0fa-cda8-4083-b5c6-ed1ad181a9fc}\ = "RichMediaViewV1release234" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{78690644-8DA1-4D46-BB8D-032494388AD4}\1.1\ = "RichMediaViewV1release234Lib" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{995D9358-246D-4577-B8A7-8CFC732DE2C3}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{995D9358-246D-4577-B8A7-8CFC732DE2C3}\TypeLib\ = "{78690644-8DA1-4D46-BB8D-032494388AD4}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e79db0fa-cda8-4083-b5c6-ed1ad181a9fc}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{78690644-8DA1-4D46-BB8D-032494388AD4}\1.1\0\win32\ = "C:\\Program Files (x86)\\RichMediaViewV1\\RichMediaViewV1release234\\ie\\RichMediaViewV1release234.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{995D9358-246D-4577-B8A7-8CFC732DE2C3}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{995D9358-246D-4577-B8A7-8CFC732DE2C3}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{995D9358-246D-4577-B8A7-8CFC732DE2C3}\TypeLib\ = "{78690644-8DA1-4D46-BB8D-032494388AD4}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e79db0fa-cda8-4083-b5c6-ed1ad181a9fc} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{78690644-8DA1-4D46-BB8D-032494388AD4}\1.1 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{78690644-8DA1-4D46-BB8D-032494388AD4}\1.1\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{995D9358-246D-4577-B8A7-8CFC732DE2C3}\ = "IRichMediaViewV1release234BHO" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e79db0fa-cda8-4083-b5c6-ed1ad181a9fc}\ = "Rich Media View" VirusShare_de1d9d35a790080138c0aa5efd78ac2c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e79db0fa-cda8-4083-b5c6-ed1ad181a9fc}\TypeLib\ = "{78690644-8da1-4d46-bb8d-032494388ad4}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{78690644-8DA1-4D46-BB8D-032494388AD4}\1.1\FLAGS\ = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{78690644-8DA1-4D46-BB8D-032494388AD4}\1.1\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{995D9358-246D-4577-B8A7-8CFC732DE2C3}\ = "IRichMediaViewV1release234BHO" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{995D9358-246D-4577-B8A7-8CFC732DE2C3}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e79db0fa-cda8-4083-b5c6-ed1ad181a9fc}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e79db0fa-cda8-4083-b5c6-ed1ad181a9fc}\Version\ = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{78690644-8DA1-4D46-BB8D-032494388AD4}\1.1\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{995D9358-246D-4577-B8A7-8CFC732DE2C3} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{995D9358-246D-4577-B8A7-8CFC732DE2C3} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e79db0fa-cda8-4083-b5c6-ed1ad181a9fc} VirusShare_de1d9d35a790080138c0aa5efd78ac2c.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e79db0fa-cda8-4083-b5c6-ed1ad181a9fc}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{78690644-8DA1-4D46-BB8D-032494388AD4}\1.1\FLAGS regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e79db0fa-cda8-4083-b5c6-ed1ad181a9fc}\InprocServer32\ = "C:\\Program Files (x86)\\RichMediaViewV1\\RichMediaViewV1release234\\ie\\RichMediaViewV1release234.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{78690644-8DA1-4D46-BB8D-032494388AD4} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{995D9358-246D-4577-B8A7-8CFC732DE2C3}\TypeLib regsvr32.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1896 VirusShare_de1d9d35a790080138c0aa5efd78ac2c.exe 1896 VirusShare_de1d9d35a790080138c0aa5efd78ac2c.exe 1896 VirusShare_de1d9d35a790080138c0aa5efd78ac2c.exe 1896 VirusShare_de1d9d35a790080138c0aa5efd78ac2c.exe 1896 VirusShare_de1d9d35a790080138c0aa5efd78ac2c.exe 1896 VirusShare_de1d9d35a790080138c0aa5efd78ac2c.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1896 wrote to memory of 2296 1896 VirusShare_de1d9d35a790080138c0aa5efd78ac2c.exe 90 PID 1896 wrote to memory of 2296 1896 VirusShare_de1d9d35a790080138c0aa5efd78ac2c.exe 90 PID 1896 wrote to memory of 2296 1896 VirusShare_de1d9d35a790080138c0aa5efd78ac2c.exe 90 PID 1896 wrote to memory of 2264 1896 VirusShare_de1d9d35a790080138c0aa5efd78ac2c.exe 91 PID 1896 wrote to memory of 2264 1896 VirusShare_de1d9d35a790080138c0aa5efd78ac2c.exe 91 PID 1896 wrote to memory of 2264 1896 VirusShare_de1d9d35a790080138c0aa5efd78ac2c.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\VirusShare_de1d9d35a790080138c0aa5efd78ac2c.exe"C:\Users\Admin\AppData\Local\Temp\VirusShare_de1d9d35a790080138c0aa5efd78ac2c.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:1896 -
C:\Windows\SysWOW64\regsvr32.exeregsvr32 "C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release234\ie\RichMediaViewV1release234.dll" /s2⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:2296
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C:\Windows\SysWOW64\gpupdate.exe"C:\Windows\System32\gpupdate.exe" /force2⤵PID:2264
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum1⤵PID:1376
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc1⤵PID:2960
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
85KB
MD554172d2c0816ec37f97ea8fdef19b247
SHA1a44af12822a1567276bedf0dd148bb6dc6e94b78
SHA256a05699032c4a81e650a626ca06bd8eb84b721d1884651972e8ac4027befcabc0
SHA512b41411b71139ab023e4e69fa16a066dd0bb8d1712d860ef69446c40229a0b3481a1c6dc9466f8b7701923761bd6fcc5f51e099f89ce27290c6502a0f2f0d134a
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Filesize
567KB
MD5450753ad96785a240a39deccab3af0d0
SHA121c544064d2ffa6444508268ce258a330d459fc5
SHA2561c371dcc6c3428ea98fb0d2dcb612b4ebc731f3ed72e683c8e33058cd2a952d3
SHA512c41b834f4228b7668316095569c836b4e0d55c5fbf310c65b0e0453ef0e74a3ce8f9357cea90b80f6590f85dd7708eeb4eec27518811ea4aab20c0e7f5643dab