Overview
overview
7Static
static
3VirusShare...63.exe
windows7-x64
7VirusShare...63.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/...305.js
windows7-x64
1ff/chrome/...305.js
windows10-2004-x64
1ff/chrome/...ion.js
windows7-x64
1ff/chrome/...ion.js
windows10-2004-x64
1ie/MediaWa...05.dll
windows7-x64
6ie/MediaWa...05.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
win10v2004-20231222-en - resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system - submitted
04/02/2024, 12:58
Static task
static1
Behavioral task
behavioral1
Sample
VirusShare_3005e779b4f7086e1acc8540bed01763.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
VirusShare_3005e779b4f7086e1acc8540bed01763.exe
Resource
win10v2004-20231222-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/aminsis.dll
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/aminsis.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral5
Sample
ffMediaWatchV1home4305chaction.js
Resource
win7-20231129-en
Behavioral task
behavioral6
Sample
ffMediaWatchV1home4305chaction.js
Resource
win10v2004-20231222-en
Behavioral task
behavioral7
Sample
ff/chrome/content/ffMediaWatchV1home4305.js
Resource
win7-20231215-en
Behavioral task
behavioral8
Sample
ff/chrome/content/ffMediaWatchV1home4305.js
Resource
win10v2004-20231215-en
Behavioral task
behavioral9
Sample
ff/chrome/content/ffMediaWatchV1home4305ffaction.js
Resource
win7-20231215-en
Behavioral task
behavioral10
Sample
ff/chrome/content/ffMediaWatchV1home4305ffaction.js
Resource
win10v2004-20231215-en
Behavioral task
behavioral11
Sample
ie/MediaWatchV1home4305.dll
Resource
win7-20231215-en
Behavioral task
behavioral12
Sample
ie/MediaWatchV1home4305.dll
Resource
win10v2004-20231215-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
win7-20231129-en
Behavioral task
behavioral16
Sample
$PLUGINSDIR/aminsis.dll
Resource
win10v2004-20231222-en
General
- Target VirusShare_3005e779b4f7086e1acc8540bed01763.exe
- Size 634KB
- Sample240204-p7fwnaaaf3
- SHA256 5b67060ffc9cb8a174a9d8d288483b7cf05a79483c7998cb99980b722fda4c89
- MD5 3005e779b4f7086e1acc8540bed01763
- SHA1 2595975d0341172d768c60d81f1473378c22597b
- SHA512 395d240d465b4be35d9d6875d7a2cd60014cd2b5361502da68e7690c3a1656168daff04702d3117c6966594971fd8b63a0b13179ab1b50d8fe38023c9c480991
- SSDEEP 12288:J8sBYkG4GjeZHkwuPikQ7lKH5p5H9x1heZHkwuliXQTlKB5pixyiRM:J8smkG4GjeZEXi37l6Br1heZEdigTl2N
- 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-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation VirusShare_3005e779b4f7086e1acc8540bed01763.exe - Loads dropped DLL 2 IoCs
pid Process 3564 VirusShare_3005e779b4f7086e1acc8540bed01763.exe 4940 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\{630b510d-c7e9-49b3-811e-640fb93bff22} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{630b510d-c7e9-49b3-811e-640fb93bff22}\ = "MediaWatchV1home4305" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{630b510d-c7e9-49b3-811e-640fb93bff22}\NoExplorer = "1" regsvr32.exe - Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini VirusShare_3005e779b4f7086e1acc8540bed01763.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol VirusShare_3005e779b4f7086e1acc8540bed01763.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI VirusShare_3005e779b4f7086e1acc8540bed01763.exe File opened for modification C:\Windows\System32\GroupPolicy VirusShare_3005e779b4f7086e1acc8540bed01763.exe - Drops file in Program Files directory 22 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home4305\ff\chrome VirusShare_3005e779b4f7086e1acc8540bed01763.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home4305\ff\chrome\content\icons VirusShare_3005e779b4f7086e1acc8540bed01763.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home4305\ff\chrome\content\icons\Thumbs.db VirusShare_3005e779b4f7086e1acc8540bed01763.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home4305\ff\chrome.manifest VirusShare_3005e779b4f7086e1acc8540bed01763.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home4305\ff\install.rdf VirusShare_3005e779b4f7086e1acc8540bed01763.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home4305\ff\chrome\content\ffMediaWatchV1home4305ffaction.js VirusShare_3005e779b4f7086e1acc8540bed01763.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home4305\ff\chrome\content\overlay.xul VirusShare_3005e779b4f7086e1acc8540bed01763.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home4305\ff\chrome\content\icons\default\MediaWatchV1home4305_32.png VirusShare_3005e779b4f7086e1acc8540bed01763.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home4305\ff\chrome\content\icons\default\MediaWatchV1home4305_32.png VirusShare_3005e779b4f7086e1acc8540bed01763.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home4305\ch\MediaWatchV1home4305.crx VirusShare_3005e779b4f7086e1acc8540bed01763.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home4305\ch\MediaWatchV1home4305.crx VirusShare_3005e779b4f7086e1acc8540bed01763.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home4305\ff\chrome.manifest VirusShare_3005e779b4f7086e1acc8540bed01763.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home4305\ff\install.rdf VirusShare_3005e779b4f7086e1acc8540bed01763.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home4305\ff\chrome\content VirusShare_3005e779b4f7086e1acc8540bed01763.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home4305\ff\chrome\content\ffMediaWatchV1home4305.js VirusShare_3005e779b4f7086e1acc8540bed01763.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home4305\ff\chrome\content\ffMediaWatchV1home4305.js VirusShare_3005e779b4f7086e1acc8540bed01763.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home4305\ff\chrome\content\ffMediaWatchV1home4305ffaction.js VirusShare_3005e779b4f7086e1acc8540bed01763.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home4305\ie\MediaWatchV1home4305.dll VirusShare_3005e779b4f7086e1acc8540bed01763.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home4305\ff\chrome\content\icons\default VirusShare_3005e779b4f7086e1acc8540bed01763.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home4305\ff\chrome\content\icons\Thumbs.db VirusShare_3005e779b4f7086e1acc8540bed01763.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home4305\uninstall.exe VirusShare_3005e779b4f7086e1acc8540bed01763.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home4305\ff\chrome\content\overlay.xul VirusShare_3005e779b4f7086e1acc8540bed01763.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Software\Microsoft\Internet Explorer\Approved Extensions VirusShare_3005e779b4f7086e1acc8540bed01763.exe Set value (data) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Approved Extensions\{630b510d-c7e9-49b3-811e-640fb93bff22} = 51667a6c4c1d3b1b1d4e187cd696d5079e1c254fba7cbb37 VirusShare_3005e779b4f7086e1acc8540bed01763.exe - Modifies registry class 36 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{58572934-A63B-4A7A-AD7D-271B7F4F2AFE}\1.1\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{630b510d-c7e9-49b3-811e-640fb93bff22}\TypeLib\ = "{58572934-a63b-4a7a-ad7d-271b7f4f2afe}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{58572934-A63B-4A7A-AD7D-271B7F4F2AFE}\1.1\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{58572934-A63B-4A7A-AD7D-271B7F4F2AFE}\1.1\0\win32\ = "C:\\Program Files (x86)\\MediaWatchV1\\MediaWatchV1home4305\\ie\\MediaWatchV1home4305.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C782B93F-996F-4B34-9F78-62D601716E49}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{58572934-A63B-4A7A-AD7D-271B7F4F2AFE} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{58572934-A63B-4A7A-AD7D-271B7F4F2AFE}\1.1\FLAGS\ = "0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{58572934-A63B-4A7A-AD7D-271B7F4F2AFE}\1.1\HELPDIR\ = "C:\\Program Files (x86)\\MediaWatchV1\\MediaWatchV1home4305\\ie" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C782B93F-996F-4B34-9F78-62D601716E49}\ = "IMediaWatchV1home4305BHO" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C782B93F-996F-4B34-9F78-62D601716E49}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{630b510d-c7e9-49b3-811e-640fb93bff22}\ = "Media Watch" VirusShare_3005e779b4f7086e1acc8540bed01763.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{630b510d-c7e9-49b3-811e-640fb93bff22}\Version\ = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{58572934-A63B-4A7A-AD7D-271B7F4F2AFE}\1.1\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C782B93F-996F-4B34-9F78-62D601716E49} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{58572934-A63B-4A7A-AD7D-271B7F4F2AFE}\1.1\FLAGS regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C782B93F-996F-4B34-9F78-62D601716E49} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C782B93F-996F-4B34-9F78-62D601716E49}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C782B93F-996F-4B34-9F78-62D601716E49}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C782B93F-996F-4B34-9F78-62D601716E49}\TypeLib\ = "{58572934-A63B-4A7A-AD7D-271B7F4F2AFE}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{630b510d-c7e9-49b3-811e-640fb93bff22}\ = "MediaWatchV1home4305" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{630b510d-c7e9-49b3-811e-640fb93bff22}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{58572934-A63B-4A7A-AD7D-271B7F4F2AFE}\1.1 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C782B93F-996F-4B34-9F78-62D601716E49}\TypeLib\Version = "1.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C782B93F-996F-4B34-9F78-62D601716E49}\TypeLib\ = "{58572934-A63B-4A7A-AD7D-271B7F4F2AFE}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C782B93F-996F-4B34-9F78-62D601716E49}\TypeLib\Version = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{630b510d-c7e9-49b3-811e-640fb93bff22} VirusShare_3005e779b4f7086e1acc8540bed01763.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{630b510d-c7e9-49b3-811e-640fb93bff22} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{630b510d-c7e9-49b3-811e-640fb93bff22}\InprocServer32\ = "C:\\Program Files (x86)\\MediaWatchV1\\MediaWatchV1home4305\\ie\\MediaWatchV1home4305.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C782B93F-996F-4B34-9F78-62D601716E49}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{58572934-A63B-4A7A-AD7D-271B7F4F2AFE}\1.1\ = "MediaWatchV1home4305Lib" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C782B93F-996F-4B34-9F78-62D601716E49}\ = "IMediaWatchV1home4305BHO" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C782B93F-996F-4B34-9F78-62D601716E49}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{630b510d-c7e9-49b3-811e-640fb93bff22}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{630b510d-c7e9-49b3-811e-640fb93bff22}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{630b510d-c7e9-49b3-811e-640fb93bff22}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{630b510d-c7e9-49b3-811e-640fb93bff22}\Version regsvr32.exe - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3564 VirusShare_3005e779b4f7086e1acc8540bed01763.exe 3564 VirusShare_3005e779b4f7086e1acc8540bed01763.exe 3564 VirusShare_3005e779b4f7086e1acc8540bed01763.exe 3564 VirusShare_3005e779b4f7086e1acc8540bed01763.exe 3564 VirusShare_3005e779b4f7086e1acc8540bed01763.exe 3564 VirusShare_3005e779b4f7086e1acc8540bed01763.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3564 wrote to memory of 4940 3564 VirusShare_3005e779b4f7086e1acc8540bed01763.exe 88 PID 3564 wrote to memory of 4940 3564 VirusShare_3005e779b4f7086e1acc8540bed01763.exe 88 PID 3564 wrote to memory of 4940 3564 VirusShare_3005e779b4f7086e1acc8540bed01763.exe 88 PID 3564 wrote to memory of 4604 3564 VirusShare_3005e779b4f7086e1acc8540bed01763.exe 89 PID 3564 wrote to memory of 4604 3564 VirusShare_3005e779b4f7086e1acc8540bed01763.exe 89 PID 3564 wrote to memory of 4604 3564 VirusShare_3005e779b4f7086e1acc8540bed01763.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\VirusShare_3005e779b4f7086e1acc8540bed01763.exe"C:\Users\Admin\AppData\Local\Temp\VirusShare_3005e779b4f7086e1acc8540bed01763.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:3564 -
C:\Windows\SysWOW64\regsvr32.exeregsvr32 "C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home4305\ie\MediaWatchV1home4305.dll" /s2⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:4940
-
-
C:\Windows\SysWOW64\gpupdate.exe"C:\Windows\System32\gpupdate.exe" /force2⤵PID:4604
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum1⤵PID:5008
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc1⤵PID:4716
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home4305\ie\MediaWatchV1home4305.dll
- Size 85KB
- SHA256 fa8058b46250dbcb7244c25428e05159fe7e64b4db9a450a2efb807618eed818
- MD5 4c02ae252464a6a494436a62170e2e60
- SHA1 b2cb9bcd7e8df5dbf86e94703cf3f5be47fbf512
- SHA512 d843dea7b74fc3447e8ef76b61c94f101215d4ca42d3aa2e72b003a4007aa9823cc103642a49cde0756d895601cd427354fd450d523645a9978ad1686f45e6c6
- SSDEEP 1536:K8/1CsEmka04RhRtahrOb8Dkhv5HA9glQdzyB:l12mka0ElahrOD5guadzy
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\nsk469F.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