Overview
overview
7Static
static
3VirusShare...91.exe
windows7-x64
7VirusShare...91.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/...e94.js
windows7-x64
1ff/chrome/...e94.js
windows10-2004-x64
1ff/chrome/...ion.js
windows7-x64
1ff/chrome/...ion.js
windows10-2004-x64
1ie/RichMed...94.dll
windows7-x64
6ie/RichMed...94.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
win10v2004-20231215-en - resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system - submitted
04/02/2024, 14:42
Static task
static1
Behavioral task
behavioral1
Sample
VirusShare_2e4f053b2d61556bae2812d03519fc91.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
VirusShare_2e4f053b2d61556bae2812d03519fc91.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/aminsis.dll
Resource
win7-20231129-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/aminsis.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral5
Sample
ffRichMediaViewV1release94chaction.js
Resource
win7-20231215-en
Behavioral task
behavioral6
Sample
ffRichMediaViewV1release94chaction.js
Resource
win10v2004-20231215-en
Behavioral task
behavioral7
Sample
ff/chrome/content/ffRichMediaViewV1release94.js
Resource
win7-20231215-en
Behavioral task
behavioral8
Sample
ff/chrome/content/ffRichMediaViewV1release94.js
Resource
win10v2004-20231215-en
Behavioral task
behavioral9
Sample
ff/chrome/content/ffRichMediaViewV1release94ffaction.js
Resource
win7-20231215-en
Behavioral task
behavioral10
Sample
ff/chrome/content/ffRichMediaViewV1release94ffaction.js
Resource
win10v2004-20231222-en
Behavioral task
behavioral11
Sample
ie/RichMediaViewV1release94.dll
Resource
win7-20231215-en
Behavioral task
behavioral12
Sample
ie/RichMediaViewV1release94.dll
Resource
win10v2004-20231215-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
win7-20231129-en
Behavioral task
behavioral16
Sample
$PLUGINSDIR/aminsis.dll
Resource
win10v2004-20231215-en
General
- Target VirusShare_2e4f053b2d61556bae2812d03519fc91.exe
- Size 657KB
- Sample240204-r21d8aecdr
- SHA256 06e824e1a838ba18e32b330e71cf2cfd3b772011674ade89d0df2ef176a4859b
- MD5 2e4f053b2d61556bae2812d03519fc91
- SHA1 5be50f03eb9e8c87ab0fd872025a52fcacea7f25
- SHA512 07be7aaff843be4a148793b39245c650c736a8596b11611fb38d3f217ad16b2afe0fd6341b6acabe69ca5b5519e5eecc90a3fea86520a1b4721ba0d412420c8b
- SSDEEP 12288:fl+bWO6gMG4GQTq4OaQQTYJ8eP4/L5uO7D3f5BVJq4GanQTcJ8ePx/Z5uO7dApqG:fMhMG4GQm4OaHYJ8eP4D5uOHBBVM4GaE
- 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-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation VirusShare_2e4f053b2d61556bae2812d03519fc91.exe - Loads dropped DLL 2 IoCs
pid Process 1452 VirusShare_2e4f053b2d61556bae2812d03519fc91.exe 5048 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\{6a8291b6-254b-4d14-95d0-da0f6452df18} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{6a8291b6-254b-4d14-95d0-da0f6452df18}\ = "RichMediaViewV1release94" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{6a8291b6-254b-4d14-95d0-da0f6452df18}\NoExplorer = "1" regsvr32.exe - Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\System32\GroupPolicy VirusShare_2e4f053b2d61556bae2812d03519fc91.exe File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini VirusShare_2e4f053b2d61556bae2812d03519fc91.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol VirusShare_2e4f053b2d61556bae2812d03519fc91.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI VirusShare_2e4f053b2d61556bae2812d03519fc91.exe - Drops file in Program Files directory 22 IoCs
description ioc Process File created C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release94\ie\RichMediaViewV1release94.dll VirusShare_2e4f053b2d61556bae2812d03519fc91.exe File opened for modification C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release94\ff\chrome.manifest VirusShare_2e4f053b2d61556bae2812d03519fc91.exe File created C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release94\ff\install.rdf VirusShare_2e4f053b2d61556bae2812d03519fc91.exe File opened for modification C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release94\ff\chrome\content\icons\Thumbs.db VirusShare_2e4f053b2d61556bae2812d03519fc91.exe File created C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release94\ff\chrome\content\icons\default\RichMediaViewV1release94_32.png VirusShare_2e4f053b2d61556bae2812d03519fc91.exe File opened for modification C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release94\ff\install.rdf VirusShare_2e4f053b2d61556bae2812d03519fc91.exe File opened for modification C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release94\ff\chrome VirusShare_2e4f053b2d61556bae2812d03519fc91.exe File created C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release94\ff\chrome\content\ffRichMediaViewV1release94ffaction.js VirusShare_2e4f053b2d61556bae2812d03519fc91.exe File opened for modification C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release94\ff\chrome\content\overlay.xul VirusShare_2e4f053b2d61556bae2812d03519fc91.exe File opened for modification C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release94\ff\chrome\content\icons VirusShare_2e4f053b2d61556bae2812d03519fc91.exe File opened for modification C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release94\ff\chrome\content\icons\default\RichMediaViewV1release94_32.png VirusShare_2e4f053b2d61556bae2812d03519fc91.exe File opened for modification C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release94\ch\RichMediaViewV1release94.crx VirusShare_2e4f053b2d61556bae2812d03519fc91.exe File created C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release94\ff\chrome.manifest VirusShare_2e4f053b2d61556bae2812d03519fc91.exe File opened for modification C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release94\ff\chrome\content VirusShare_2e4f053b2d61556bae2812d03519fc91.exe File opened for modification C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release94\ff\chrome\content\ffRichMediaViewV1release94ffaction.js VirusShare_2e4f053b2d61556bae2812d03519fc91.exe File opened for modification C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release94\ff\chrome\content\icons\default VirusShare_2e4f053b2d61556bae2812d03519fc91.exe File created C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release94\uninstall.exe VirusShare_2e4f053b2d61556bae2812d03519fc91.exe File created C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release94\ch\RichMediaViewV1release94.crx VirusShare_2e4f053b2d61556bae2812d03519fc91.exe File created C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release94\ff\chrome\content\ffRichMediaViewV1release94.js VirusShare_2e4f053b2d61556bae2812d03519fc91.exe File opened for modification C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release94\ff\chrome\content\ffRichMediaViewV1release94.js VirusShare_2e4f053b2d61556bae2812d03519fc91.exe File created C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release94\ff\chrome\content\overlay.xul VirusShare_2e4f053b2d61556bae2812d03519fc91.exe File created C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release94\ff\chrome\content\icons\Thumbs.db VirusShare_2e4f053b2d61556bae2812d03519fc91.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Internet Explorer\Approved Extensions VirusShare_2e4f053b2d61556bae2812d03519fc91.exe Set value (data) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Approved Extensions\{6a8291b6-254b-4d14-95d0-da0f6452df18} = 51667a6c4c1d3b1ba68e947a7b767c0388df9c4f6612920d VirusShare_2e4f053b2d61556bae2812d03519fc91.exe - Modifies registry class 36 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6a8291b6-254b-4d14-95d0-da0f6452df18}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6a8291b6-254b-4d14-95d0-da0f6452df18}\Version regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{605B74CF-E2B6-46B8-ADBC-A0F689E73683}\1.1\0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{605B74CF-E2B6-46B8-ADBC-A0F689E73683}\1.1\0\win32\ = "C:\\Program Files (x86)\\RichMediaViewV1\\RichMediaViewV1release94\\ie\\RichMediaViewV1release94.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6a8291b6-254b-4d14-95d0-da0f6452df18}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6a8291b6-254b-4d14-95d0-da0f6452df18}\TypeLib\ = "{605b74cf-e2b6-46b8-adbc-a0f689e73683}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F8E98FE6-ABCD-4084-91FE-4EFEABDA765A}\ = "IRichMediaViewV1release94BHO" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F8E98FE6-ABCD-4084-91FE-4EFEABDA765A}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F8E98FE6-ABCD-4084-91FE-4EFEABDA765A}\TypeLib\Version = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6a8291b6-254b-4d14-95d0-da0f6452df18} VirusShare_2e4f053b2d61556bae2812d03519fc91.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6a8291b6-254b-4d14-95d0-da0f6452df18}\ = "RichMediaViewV1release94" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6a8291b6-254b-4d14-95d0-da0f6452df18}\Version\ = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{605B74CF-E2B6-46B8-ADBC-A0F689E73683}\1.1 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{605B74CF-E2B6-46B8-ADBC-A0F689E73683}\1.1\ = "RichMediaViewV1release94Lib" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F8E98FE6-ABCD-4084-91FE-4EFEABDA765A}\TypeLib\Version = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{605B74CF-E2B6-46B8-ADBC-A0F689E73683}\1.1\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F8E98FE6-ABCD-4084-91FE-4EFEABDA765A}\TypeLib\ = "{605B74CF-E2B6-46B8-ADBC-A0F689E73683}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F8E98FE6-ABCD-4084-91FE-4EFEABDA765A}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F8E98FE6-ABCD-4084-91FE-4EFEABDA765A} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{605B74CF-E2B6-46B8-ADBC-A0F689E73683}\1.1\HELPDIR\ = "C:\\Program Files (x86)\\RichMediaViewV1\\RichMediaViewV1release94\\ie" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F8E98FE6-ABCD-4084-91FE-4EFEABDA765A}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F8E98FE6-ABCD-4084-91FE-4EFEABDA765A}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6a8291b6-254b-4d14-95d0-da0f6452df18} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6a8291b6-254b-4d14-95d0-da0f6452df18}\InprocServer32\ = "C:\\Program Files (x86)\\RichMediaViewV1\\RichMediaViewV1release94\\ie\\RichMediaViewV1release94.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6a8291b6-254b-4d14-95d0-da0f6452df18}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{605B74CF-E2B6-46B8-ADBC-A0F689E73683}\1.1\FLAGS regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{605B74CF-E2B6-46B8-ADBC-A0F689E73683}\1.1\HELPDIR regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F8E98FE6-ABCD-4084-91FE-4EFEABDA765A}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6a8291b6-254b-4d14-95d0-da0f6452df18}\ = "Rich Media View" VirusShare_2e4f053b2d61556bae2812d03519fc91.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F8E98FE6-ABCD-4084-91FE-4EFEABDA765A}\TypeLib\ = "{605B74CF-E2B6-46B8-ADBC-A0F689E73683}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F8E98FE6-ABCD-4084-91FE-4EFEABDA765A}\ = "IRichMediaViewV1release94BHO" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6a8291b6-254b-4d14-95d0-da0f6452df18}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{605B74CF-E2B6-46B8-ADBC-A0F689E73683} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{605B74CF-E2B6-46B8-ADBC-A0F689E73683}\1.1\FLAGS\ = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F8E98FE6-ABCD-4084-91FE-4EFEABDA765A} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F8E98FE6-ABCD-4084-91FE-4EFEABDA765A}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1452 VirusShare_2e4f053b2d61556bae2812d03519fc91.exe 1452 VirusShare_2e4f053b2d61556bae2812d03519fc91.exe 1452 VirusShare_2e4f053b2d61556bae2812d03519fc91.exe 1452 VirusShare_2e4f053b2d61556bae2812d03519fc91.exe 1452 VirusShare_2e4f053b2d61556bae2812d03519fc91.exe 1452 VirusShare_2e4f053b2d61556bae2812d03519fc91.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1452 wrote to memory of 5048 1452 VirusShare_2e4f053b2d61556bae2812d03519fc91.exe 84 PID 1452 wrote to memory of 5048 1452 VirusShare_2e4f053b2d61556bae2812d03519fc91.exe 84 PID 1452 wrote to memory of 5048 1452 VirusShare_2e4f053b2d61556bae2812d03519fc91.exe 84 PID 1452 wrote to memory of 2032 1452 VirusShare_2e4f053b2d61556bae2812d03519fc91.exe 85 PID 1452 wrote to memory of 2032 1452 VirusShare_2e4f053b2d61556bae2812d03519fc91.exe 85 PID 1452 wrote to memory of 2032 1452 VirusShare_2e4f053b2d61556bae2812d03519fc91.exe 85
Processes
-
C:\Users\Admin\AppData\Local\Temp\VirusShare_2e4f053b2d61556bae2812d03519fc91.exe"C:\Users\Admin\AppData\Local\Temp\VirusShare_2e4f053b2d61556bae2812d03519fc91.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:1452 -
C:\Windows\SysWOW64\regsvr32.exeregsvr32 "C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release94\ie\RichMediaViewV1release94.dll" /s2⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:5048
-
-
C:\Windows\SysWOW64\gpupdate.exe"C:\Windows\System32\gpupdate.exe" /force2⤵PID:2032
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc1⤵PID:1432
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum1⤵PID:644
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release94\ie\RichMediaViewV1release94.dll
- Size 85KB
- SHA256 cd3ad4365e4bcc9591b8268af6ccca1764ee57951ba2a8378a081c987ffb34a5
- MD5 123ec917e881479f47630f64640dfc43
- SHA1 f9073f05c5cd46da4e36cc2f5d99e63aaaa78472
- SHA512 9d6d4c53fd63f24ed04e4407cfea3aff62fcddd70fc5dafa57a94c6b77779d3b22750e2770ef3089a0d2a503369b752394c4d74231f244535409a04df12c6545
- SSDEEP 1536:Bc/9Cs8ekkcEDtqJ6Zk8DktexnLlQE14EpY:a9eekkcEJqJ6Z4exLaE14X
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\nsb496E.tmp\aminsis.dll
- Size 567KB
- SHA256 1c371dcc6c3428ea98fb0d2dcb612b4ebc731f3ed72e683c8e33058cd2a952d3
- MD5 450753ad96785a240a39deccab3af0d0
- SHA1 21c544064d2ffa6444508268ce258a330d459fc5
- SHA512 c41b834f4228b7668316095569c836b4e0d55c5fbf310c65b0e0453ef0e74a3ce8f9357cea90b80f6590f85dd7708eeb4eec27518811ea4aab20c0e7f5643dab
- SSDEEP 12288:i/x6GnSkidh7NfMc4G1ppgH81vrKiuu+PUHOGcl5Sbl9B9GUdL:9GnSkWh4G1ppgH81vrBu3MHOGUKfGU
- MD5 SHA1 SHA512 SSDEEP