Overview
overview
7Static
static
3VirusShare...7b.exe
windows7-x64
7VirusShare...7b.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/...019.js
windows7-x64
1ff/chrome/...019.js
windows10-2004-x64
1ff/chrome/...ion.js
windows7-x64
1ff/chrome/...ion.js
windows10-2004-x64
1ie/RichMed...19.dll
windows7-x64
6ie/RichMed...19.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
142s - max time network
155s - 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, 12:19
Static task
static1
Behavioral task
behavioral1
Sample
VirusShare_5d9a495901c4c900025931446b58f87b.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
VirusShare_5d9a495901c4c900025931446b58f87b.exe
Resource
win10v2004-20231215-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
ffRichMediaViewV1release1019chaction.js
Resource
win7-20231129-en
Behavioral task
behavioral6
Sample
ffRichMediaViewV1release1019chaction.js
Resource
win10v2004-20231215-en
Behavioral task
behavioral7
Sample
ff/chrome/content/ffRichMediaViewV1release1019.js
Resource
win7-20231215-en
Behavioral task
behavioral8
Sample
ff/chrome/content/ffRichMediaViewV1release1019.js
Resource
win10v2004-20231215-en
Behavioral task
behavioral9
Sample
ff/chrome/content/ffRichMediaViewV1release1019ffaction.js
Resource
win7-20231215-en
Behavioral task
behavioral10
Sample
ff/chrome/content/ffRichMediaViewV1release1019ffaction.js
Resource
win10v2004-20231215-en
Behavioral task
behavioral11
Sample
ie/RichMediaViewV1release1019.dll
Resource
win7-20231215-en
Behavioral task
behavioral12
Sample
ie/RichMediaViewV1release1019.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral13
Sample
uninstall.exe
Resource
win7-20231215-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_5d9a495901c4c900025931446b58f87b.exe
- Size 657KB
- Sample240204-pg7axshad2
- SHA256 a0cd2e6b45e3aa285dbdffd68929ae7333dcde44745c2c31eba38ebb4f58f320
- MD5 5d9a495901c4c900025931446b58f87b
- SHA1 a38420bd377ef7d5aba9d89b7fb5c7b7c53f9bd2
- SHA512 d83e9cc26c0e09b0b5f9c93322d08705ad5059a6144021ee28004e29b6e0886d581bf222df2565230bb7113c7801684de5fa2de52e05f03c2461b487da034877
- SSDEEP 12288:t1a39cOG4GQTq4OaQQTYJ8eP4/L5uO7D3f5BZq4yaPQTMJ8ePB/x5uO7jU26nm:t1cGOG4GQm4OaHYJ8eP4D5uOHBBc4yap
- 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-1-5-21-3336304223-2978740688-3645194410-1000\Control Panel\International\Geo\Nation VirusShare_5d9a495901c4c900025931446b58f87b.exe - Loads dropped DLL 2 IoCs
pid Process 4340 VirusShare_5d9a495901c4c900025931446b58f87b.exe 2096 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 Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{85831411-0fa4-4a42-aac1-885c91dc60a7}\ = "RichMediaViewV1release1019" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{85831411-0fa4-4a42-aac1-885c91dc60a7}\NoExplorer = "1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{85831411-0fa4-4a42-aac1-885c91dc60a7} regsvr32.exe - Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\System32\GroupPolicy VirusShare_5d9a495901c4c900025931446b58f87b.exe File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini VirusShare_5d9a495901c4c900025931446b58f87b.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol VirusShare_5d9a495901c4c900025931446b58f87b.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI VirusShare_5d9a495901c4c900025931446b58f87b.exe - Drops file in Program Files directory 22 IoCs
description ioc Process File created C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release1019\ch\RichMediaViewV1release1019.crx VirusShare_5d9a495901c4c900025931446b58f87b.exe File created C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release1019\ff\chrome\content\ffRichMediaViewV1release1019ffaction.js VirusShare_5d9a495901c4c900025931446b58f87b.exe File created C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release1019\ff\chrome\content\overlay.xul VirusShare_5d9a495901c4c900025931446b58f87b.exe File opened for modification C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release1019\ff\chrome\content\icons\default\RichMediaViewV1release1019_32.png VirusShare_5d9a495901c4c900025931446b58f87b.exe File opened for modification C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release1019\ch\RichMediaViewV1release1019.crx VirusShare_5d9a495901c4c900025931446b58f87b.exe File opened for modification C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release1019\ff\chrome\content VirusShare_5d9a495901c4c900025931446b58f87b.exe File created C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release1019\ff\chrome\content\icons\Thumbs.db VirusShare_5d9a495901c4c900025931446b58f87b.exe File created C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release1019\ff\chrome\content\icons\default\RichMediaViewV1release1019_32.png VirusShare_5d9a495901c4c900025931446b58f87b.exe File created C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release1019\uninstall.exe VirusShare_5d9a495901c4c900025931446b58f87b.exe File opened for modification C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release1019\ff\install.rdf VirusShare_5d9a495901c4c900025931446b58f87b.exe File opened for modification C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release1019\ff\chrome VirusShare_5d9a495901c4c900025931446b58f87b.exe File created C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release1019\ff\chrome\content\ffRichMediaViewV1release1019.js VirusShare_5d9a495901c4c900025931446b58f87b.exe File opened for modification C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release1019\ff\chrome\content\icons VirusShare_5d9a495901c4c900025931446b58f87b.exe File opened for modification C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release1019\ff\chrome\content\icons\default VirusShare_5d9a495901c4c900025931446b58f87b.exe File created C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release1019\ie\RichMediaViewV1release1019.dll VirusShare_5d9a495901c4c900025931446b58f87b.exe File created C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release1019\ff\chrome.manifest VirusShare_5d9a495901c4c900025931446b58f87b.exe File opened for modification C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release1019\ff\chrome.manifest VirusShare_5d9a495901c4c900025931446b58f87b.exe File created C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release1019\ff\install.rdf VirusShare_5d9a495901c4c900025931446b58f87b.exe File opened for modification C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release1019\ff\chrome\content\ffRichMediaViewV1release1019.js VirusShare_5d9a495901c4c900025931446b58f87b.exe File opened for modification C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release1019\ff\chrome\content\ffRichMediaViewV1release1019ffaction.js VirusShare_5d9a495901c4c900025931446b58f87b.exe File opened for modification C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release1019\ff\chrome\content\overlay.xul VirusShare_5d9a495901c4c900025931446b58f87b.exe File opened for modification C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release1019\ff\chrome\content\icons\Thumbs.db VirusShare_5d9a495901c4c900025931446b58f87b.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Software\Microsoft\Internet Explorer\Approved Extensions VirusShare_5d9a495901c4c900025931446b58f87b.exe Set value (data) \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Approved Extensions\{85831411-0fa4-4a42-aac1-885c91dc60a7} = 51667a6c4c1d3b1b0109929f955f2d03b4c8c91c939622b3 VirusShare_5d9a495901c4c900025931446b58f87b.exe - Modifies registry class 36 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{56BDC04E-2543-4E62-B063-2E24604AB90D}\1.1\HELPDIR\ = "C:\\Program Files (x86)\\RichMediaViewV1\\RichMediaViewV1release1019\\ie" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{662DC5D2-C30D-49D1-A571-A9D93B9AA25A}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{662DC5D2-C30D-49D1-A571-A9D93B9AA25A}\TypeLib\ = "{56BDC04E-2543-4E62-B063-2E24604AB90D}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{85831411-0fa4-4a42-aac1-885c91dc60a7}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{85831411-0fa4-4a42-aac1-885c91dc60a7}\Version\ = "1.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{56BDC04E-2543-4E62-B063-2E24604AB90D}\1.1\FLAGS\ = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{662DC5D2-C30D-49D1-A571-A9D93B9AA25A} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{662DC5D2-C30D-49D1-A571-A9D93B9AA25A}\ = "IRichMediaViewV1release1019BHO" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{85831411-0fa4-4a42-aac1-885c91dc60a7}\Programmable regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{85831411-0fa4-4a42-aac1-885c91dc60a7}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{85831411-0fa4-4a42-aac1-885c91dc60a7}\TypeLib\ = "{56bdc04e-2543-4e62-b063-2e24604ab90d}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{56BDC04E-2543-4E62-B063-2E24604AB90D} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{56BDC04E-2543-4E62-B063-2E24604AB90D}\1.1\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{662DC5D2-C30D-49D1-A571-A9D93B9AA25A}\TypeLib\Version = "1.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{85831411-0fa4-4a42-aac1-885c91dc60a7}\ = "RichMediaViewV1release1019" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{85831411-0fa4-4a42-aac1-885c91dc60a7}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{662DC5D2-C30D-49D1-A571-A9D93B9AA25A}\TypeLib\Version = "1.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{56BDC04E-2543-4E62-B063-2E24604AB90D}\1.1\0\win32\ = "C:\\Program Files (x86)\\RichMediaViewV1\\RichMediaViewV1release1019\\ie\\RichMediaViewV1release1019.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{662DC5D2-C30D-49D1-A571-A9D93B9AA25A}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{85831411-0fa4-4a42-aac1-885c91dc60a7}\ = "Rich Media View" VirusShare_5d9a495901c4c900025931446b58f87b.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{56BDC04E-2543-4E62-B063-2E24604AB90D}\1.1 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{56BDC04E-2543-4E62-B063-2E24604AB90D}\1.1\FLAGS regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{56BDC04E-2543-4E62-B063-2E24604AB90D}\1.1\0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{662DC5D2-C30D-49D1-A571-A9D93B9AA25A}\ = "IRichMediaViewV1release1019BHO" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{662DC5D2-C30D-49D1-A571-A9D93B9AA25A}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{662DC5D2-C30D-49D1-A571-A9D93B9AA25A}\TypeLib\ = "{56BDC04E-2543-4E62-B063-2E24604AB90D}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{662DC5D2-C30D-49D1-A571-A9D93B9AA25A}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{85831411-0fa4-4a42-aac1-885c91dc60a7} VirusShare_5d9a495901c4c900025931446b58f87b.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{85831411-0fa4-4a42-aac1-885c91dc60a7}\InprocServer32\ = "C:\\Program Files (x86)\\RichMediaViewV1\\RichMediaViewV1release1019\\ie\\RichMediaViewV1release1019.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{56BDC04E-2543-4E62-B063-2E24604AB90D}\1.1\ = "RichMediaViewV1release1019Lib" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{56BDC04E-2543-4E62-B063-2E24604AB90D}\1.1\HELPDIR regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{662DC5D2-C30D-49D1-A571-A9D93B9AA25A} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{662DC5D2-C30D-49D1-A571-A9D93B9AA25A}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{85831411-0fa4-4a42-aac1-885c91dc60a7} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{85831411-0fa4-4a42-aac1-885c91dc60a7}\Version regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{662DC5D2-C30D-49D1-A571-A9D93B9AA25A}\ProxyStubClsid32 regsvr32.exe - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 4340 VirusShare_5d9a495901c4c900025931446b58f87b.exe 4340 VirusShare_5d9a495901c4c900025931446b58f87b.exe 4340 VirusShare_5d9a495901c4c900025931446b58f87b.exe 4340 VirusShare_5d9a495901c4c900025931446b58f87b.exe 4340 VirusShare_5d9a495901c4c900025931446b58f87b.exe 4340 VirusShare_5d9a495901c4c900025931446b58f87b.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4340 wrote to memory of 2096 4340 VirusShare_5d9a495901c4c900025931446b58f87b.exe 85 PID 4340 wrote to memory of 2096 4340 VirusShare_5d9a495901c4c900025931446b58f87b.exe 85 PID 4340 wrote to memory of 2096 4340 VirusShare_5d9a495901c4c900025931446b58f87b.exe 85 PID 4340 wrote to memory of 3276 4340 VirusShare_5d9a495901c4c900025931446b58f87b.exe 88 PID 4340 wrote to memory of 3276 4340 VirusShare_5d9a495901c4c900025931446b58f87b.exe 88 PID 4340 wrote to memory of 3276 4340 VirusShare_5d9a495901c4c900025931446b58f87b.exe 88
Processes
-
C:\Users\Admin\AppData\Local\Temp\VirusShare_5d9a495901c4c900025931446b58f87b.exe"C:\Users\Admin\AppData\Local\Temp\VirusShare_5d9a495901c4c900025931446b58f87b.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:4340 -
C:\Windows\SysWOW64\regsvr32.exeregsvr32 "C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release1019\ie\RichMediaViewV1release1019.dll" /s2⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:2096
-
-
C:\Windows\SysWOW64\gpupdate.exe"C:\Windows\System32\gpupdate.exe" /force2⤵PID:3276
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum1⤵PID:464
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc1⤵PID:1076
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release1019\ie\RichMediaViewV1release1019.dll
- Size 85KB
- SHA256 8864a45c59dda713ee4544ee7f6da7a943111dfabf9ac5b519e74865b1b57d50
- MD5 5fdf75577c47ff3c12b3039241e6cf47
- SHA1 28cd7c96112fcff793b320039a212f74e18a83aa
- SHA512 84c90f22bb9f97b586f37ef7f97f495cdcb493234428c869752e4c04ba892ca6235bdd9e16b3a4873b810023f9474eb5d6835766de50daf3d417a151e63a49a3
- SSDEEP 1536:mRsmScYsswPVt6Ap1ZcTkLCzcCjfLlQdo13:jm6sswPn6Ap1Qcwado13
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\nss72EF.tmp\aminsis.dll
- Size 567KB
- SHA256 1c371dcc6c3428ea98fb0d2dcb612b4ebc731f3ed72e683c8e33058cd2a952d3
- MD5 450753ad96785a240a39deccab3af0d0
- SHA1 21c544064d2ffa6444508268ce258a330d459fc5
- SHA512 c41b834f4228b7668316095569c836b4e0d55c5fbf310c65b0e0453ef0e74a3ce8f9357cea90b80f6590f85dd7708eeb4eec27518811ea4aab20c0e7f5643dab
- SSDEEP 12288:i/x6GnSkidh7NfMc4G1ppgH81vrKiuu+PUHOGcl5Sbl9B9GUdL:9GnSkWh4G1ppgH81vrBu3MHOGUKfGU
- MD5 SHA1 SHA512 SSDEEP