Overview
overview
7Static
static
3VirusShare...85.exe
windows7-x64
7VirusShare...85.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/...907.js
windows7-x64
1ff/chrome/...907.js
windows10-2004-x64
1ff/chrome/...ion.js
windows7-x64
1ff/chrome/...ion.js
windows10-2004-x64
1ie/MediaWa...07.dll
windows7-x64
6ie/MediaWa...07.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
193s -
max time network
218s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
04/02/2024, 12:52
Static task
static1
Behavioral task
behavioral1
Sample
VirusShare_256327f39a2731e738a2c1fc59f1ab85.exe
Resource
win7-20231215-en
windows7-x64
Behavioral task
behavioral2
Sample
VirusShare_256327f39a2731e738a2c1fc59f1ab85.exe
Resource
win10v2004-20231215-en
windows10-2004-x64
Behavioral task
behavioral3
Sample
$PLUGINSDIR/aminsis.dll
Resource
win7-20231215-en
windows7-x64
Behavioral task
behavioral4
Sample
$PLUGINSDIR/aminsis.dll
Resource
win10v2004-20231215-en
windows10-2004-x64
Behavioral task
behavioral5
Sample
ffMediaWatchV1home907chaction.js
Resource
win7-20231215-en
windows7-x64
Behavioral task
behavioral6
Sample
ffMediaWatchV1home907chaction.js
Resource
win10v2004-20231222-en
windows10-2004-x64
Behavioral task
behavioral7
Sample
ff/chrome/content/ffMediaWatchV1home907.js
Resource
win7-20231129-en
windows7-x64
Behavioral task
behavioral8
Sample
ff/chrome/content/ffMediaWatchV1home907.js
Resource
win10v2004-20231215-en
windows10-2004-x64
Behavioral task
behavioral9
Sample
ff/chrome/content/ffMediaWatchV1home907ffaction.js
Resource
win7-20231215-en
windows7-x64
Behavioral task
behavioral10
Sample
ff/chrome/content/ffMediaWatchV1home907ffaction.js
Resource
win10v2004-20231222-en
windows10-2004-x64
Behavioral task
behavioral11
Sample
ie/MediaWatchV1home907.dll
Resource
win7-20231215-en
windows7-x64
Behavioral task
behavioral12
Sample
ie/MediaWatchV1home907.dll
Resource
win10v2004-20231215-en
windows10-2004-x64
Behavioral task
behavioral13
Sample
uninstall.exe
Resource
win7-20231215-en
windows7-x64
Behavioral task
behavioral14
Sample
uninstall.exe
Resource
win10v2004-20231215-en
windows10-2004-x64
Behavioral task
behavioral15
Sample
$PLUGINSDIR/aminsis.dll
Resource
win7-20231215-en
windows7-x64
Behavioral task
behavioral16
Sample
$PLUGINSDIR/aminsis.dll
Resource
win10v2004-20231215-en
windows10-2004-x64
General
-
Target
VirusShare_256327f39a2731e738a2c1fc59f1ab85.exe
-
Size
634KB
-
MD5
256327f39a2731e738a2c1fc59f1ab85
-
SHA1
925bee20b5472a8c3138ae580f7fa976ca05f21f
-
SHA256
552c247eea075786d6c19d4cba2872029b632495348a1e6603d049180cdcccb4
-
SHA512
1916c81ff344d9b2b4799cfadc874f424dd52611a4ea475de291335c4942dd5eefa71be11706918feef10db2e9bed7e20f7f06a17682dfbad671a7ac30254967
-
SSDEEP
12288:aYR8/G4GjeZHkwuPikQ7lKH5p5H9x1VeZHkwu7iDQ7lKR5pUxDlfd:aGeG4GjeZEXi37l6Br1VeZETiM7lu8Nv
Malware Config
Signatures
-
Loads dropped DLL 2 IoCs
pid Process 2644 VirusShare_256327f39a2731e738a2c1fc59f1ab85.exe 1620 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\{a4e88641-a582-4a83-86c0-554b70effb9e} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{a4e88641-a582-4a83-86c0-554b70effb9e}\ = "MediaWatchV1home907" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{a4e88641-a582-4a83-86c0-554b70effb9e}\NoExplorer = "1" regsvr32.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\System32\GroupPolicy VirusShare_256327f39a2731e738a2c1fc59f1ab85.exe File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini VirusShare_256327f39a2731e738a2c1fc59f1ab85.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol VirusShare_256327f39a2731e738a2c1fc59f1ab85.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI VirusShare_256327f39a2731e738a2c1fc59f1ab85.exe -
Drops file in Program Files directory 22 IoCs
description ioc Process File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home907\ch\MediaWatchV1home907.crx VirusShare_256327f39a2731e738a2c1fc59f1ab85.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home907\ff\chrome\content\ffMediaWatchV1home907ffaction.js VirusShare_256327f39a2731e738a2c1fc59f1ab85.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home907\ff\chrome\content\overlay.xul VirusShare_256327f39a2731e738a2c1fc59f1ab85.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home907\ff\chrome\content\icons VirusShare_256327f39a2731e738a2c1fc59f1ab85.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home907\ff\chrome\content\icons\default\MediaWatchV1home907_32.png VirusShare_256327f39a2731e738a2c1fc59f1ab85.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home907\ie\MediaWatchV1home907.dll VirusShare_256327f39a2731e738a2c1fc59f1ab85.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home907\ch\MediaWatchV1home907.crx VirusShare_256327f39a2731e738a2c1fc59f1ab85.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home907\ff\chrome.manifest VirusShare_256327f39a2731e738a2c1fc59f1ab85.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home907\ff\chrome VirusShare_256327f39a2731e738a2c1fc59f1ab85.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home907\ff\chrome\content\ffMediaWatchV1home907.js VirusShare_256327f39a2731e738a2c1fc59f1ab85.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home907\ff\chrome\content\ffMediaWatchV1home907.js VirusShare_256327f39a2731e738a2c1fc59f1ab85.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home907\ff\chrome\content\ffMediaWatchV1home907ffaction.js VirusShare_256327f39a2731e738a2c1fc59f1ab85.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home907\ff\chrome\content\overlay.xul VirusShare_256327f39a2731e738a2c1fc59f1ab85.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home907\ff\chrome\content\icons\Thumbs.db VirusShare_256327f39a2731e738a2c1fc59f1ab85.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home907\ff\chrome.manifest VirusShare_256327f39a2731e738a2c1fc59f1ab85.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home907\ff\install.rdf VirusShare_256327f39a2731e738a2c1fc59f1ab85.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home907\ff\chrome\content\icons\Thumbs.db VirusShare_256327f39a2731e738a2c1fc59f1ab85.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home907\ff\chrome\content\icons\default VirusShare_256327f39a2731e738a2c1fc59f1ab85.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home907\ff\chrome\content\icons\default\MediaWatchV1home907_32.png VirusShare_256327f39a2731e738a2c1fc59f1ab85.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home907\ff\install.rdf VirusShare_256327f39a2731e738a2c1fc59f1ab85.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home907\ff\chrome\content VirusShare_256327f39a2731e738a2c1fc59f1ab85.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home907\uninstall.exe VirusShare_256327f39a2731e738a2c1fc59f1ab85.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Internet Explorer\Approved Extensions VirusShare_256327f39a2731e738a2c1fc59f1ab85.exe Set value (data) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Internet Explorer\Approved Extensions\{a4e88641-a582-4a83-86c0-554b70effb9e} = 51667a6c4c1d3b1b519bf9bdbdf7ed069ccd170b73aabd84 VirusShare_256327f39a2731e738a2c1fc59f1ab85.exe -
Modifies registry class 36 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{a4e88641-a582-4a83-86c0-554b70effb9e}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{45D263D9-B1D4-4532-8699-4C446F226D37}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{a4e88641-a582-4a83-86c0-554b70effb9e} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{a4e88641-a582-4a83-86c0-554b70effb9e} VirusShare_256327f39a2731e738a2c1fc59f1ab85.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F7B9ECC7-A8A2-483D-930A-18DC8C366555}\1.1\FLAGS\ = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F7B9ECC7-A8A2-483D-930A-18DC8C366555} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{45D263D9-B1D4-4532-8699-4C446F226D37}\ = "IMediaWatchV1home907BHO" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{45D263D9-B1D4-4532-8699-4C446F226D37}\TypeLib\ = "{F7B9ECC7-A8A2-483D-930A-18DC8C366555}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{a4e88641-a582-4a83-86c0-554b70effb9e}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{a4e88641-a582-4a83-86c0-554b70effb9e}\TypeLib\ = "{f7b9ecc7-a8a2-483d-930a-18dc8c366555}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F7B9ECC7-A8A2-483D-930A-18DC8C366555}\1.1\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F7B9ECC7-A8A2-483D-930A-18DC8C366555}\1.1\0\win32\ = "C:\\Program Files (x86)\\MediaWatchV1\\MediaWatchV1home907\\ie\\MediaWatchV1home907.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{45D263D9-B1D4-4532-8699-4C446F226D37}\TypeLib\Version = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{45D263D9-B1D4-4532-8699-4C446F226D37} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{a4e88641-a582-4a83-86c0-554b70effb9e}\ = "Media Watch" VirusShare_256327f39a2731e738a2c1fc59f1ab85.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{a4e88641-a582-4a83-86c0-554b70effb9e}\InprocServer32\ = "C:\\Program Files (x86)\\MediaWatchV1\\MediaWatchV1home907\\ie\\MediaWatchV1home907.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F7B9ECC7-A8A2-483D-930A-18DC8C366555}\1.1\HELPDIR\ = "C:\\Program Files (x86)\\MediaWatchV1\\MediaWatchV1home907\\ie" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{45D263D9-B1D4-4532-8699-4C446F226D37}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F7B9ECC7-A8A2-483D-930A-18DC8C366555}\1.1\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F7B9ECC7-A8A2-483D-930A-18DC8C366555}\1.1 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F7B9ECC7-A8A2-483D-930A-18DC8C366555}\1.1\ = "MediaWatchV1home907Lib" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F7B9ECC7-A8A2-483D-930A-18DC8C366555}\1.1\FLAGS regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{45D263D9-B1D4-4532-8699-4C446F226D37} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{45D263D9-B1D4-4532-8699-4C446F226D37}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{45D263D9-B1D4-4532-8699-4C446F226D37}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{a4e88641-a582-4a83-86c0-554b70effb9e}\ = "MediaWatchV1home907" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{a4e88641-a582-4a83-86c0-554b70effb9e}\Version regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{a4e88641-a582-4a83-86c0-554b70effb9e}\Version\ = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{45D263D9-B1D4-4532-8699-4C446F226D37}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{45D263D9-B1D4-4532-8699-4C446F226D37}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{45D263D9-B1D4-4532-8699-4C446F226D37}\TypeLib\ = "{F7B9ECC7-A8A2-483D-930A-18DC8C366555}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{45D263D9-B1D4-4532-8699-4C446F226D37}\ = "IMediaWatchV1home907BHO" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{a4e88641-a582-4a83-86c0-554b70effb9e}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F7B9ECC7-A8A2-483D-930A-18DC8C366555}\1.1\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{45D263D9-B1D4-4532-8699-4C446F226D37}\TypeLib\Version = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{a4e88641-a582-4a83-86c0-554b70effb9e}\TypeLib regsvr32.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2644 VirusShare_256327f39a2731e738a2c1fc59f1ab85.exe 2644 VirusShare_256327f39a2731e738a2c1fc59f1ab85.exe 2644 VirusShare_256327f39a2731e738a2c1fc59f1ab85.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 2644 wrote to memory of 1620 2644 VirusShare_256327f39a2731e738a2c1fc59f1ab85.exe 29 PID 2644 wrote to memory of 1620 2644 VirusShare_256327f39a2731e738a2c1fc59f1ab85.exe 29 PID 2644 wrote to memory of 1620 2644 VirusShare_256327f39a2731e738a2c1fc59f1ab85.exe 29 PID 2644 wrote to memory of 1620 2644 VirusShare_256327f39a2731e738a2c1fc59f1ab85.exe 29 PID 2644 wrote to memory of 1620 2644 VirusShare_256327f39a2731e738a2c1fc59f1ab85.exe 29 PID 2644 wrote to memory of 1620 2644 VirusShare_256327f39a2731e738a2c1fc59f1ab85.exe 29 PID 2644 wrote to memory of 1620 2644 VirusShare_256327f39a2731e738a2c1fc59f1ab85.exe 29 PID 2644 wrote to memory of 1832 2644 VirusShare_256327f39a2731e738a2c1fc59f1ab85.exe 30 PID 2644 wrote to memory of 1832 2644 VirusShare_256327f39a2731e738a2c1fc59f1ab85.exe 30 PID 2644 wrote to memory of 1832 2644 VirusShare_256327f39a2731e738a2c1fc59f1ab85.exe 30 PID 2644 wrote to memory of 1832 2644 VirusShare_256327f39a2731e738a2c1fc59f1ab85.exe 30 PID 2644 wrote to memory of 1832 2644 VirusShare_256327f39a2731e738a2c1fc59f1ab85.exe 30 PID 2644 wrote to memory of 1832 2644 VirusShare_256327f39a2731e738a2c1fc59f1ab85.exe 30 PID 2644 wrote to memory of 1832 2644 VirusShare_256327f39a2731e738a2c1fc59f1ab85.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\VirusShare_256327f39a2731e738a2c1fc59f1ab85.exe"C:\Users\Admin\AppData\Local\Temp\VirusShare_256327f39a2731e738a2c1fc59f1ab85.exe"1⤵
- 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:2644 -
C:\Windows\SysWOW64\regsvr32.exeregsvr32 "C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home907\ie\MediaWatchV1home907.dll" /s2⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:1620
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C:\Windows\SysWOW64\gpupdate.exe"C:\Windows\System32\gpupdate.exe" /force2⤵PID:1832
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
85KB
MD52d29d90c85e5b024f269806547621299
SHA1c5fa4fc774a1b9039d18cbe50d1a390724420d10
SHA256253a1110df130fd64c4a8ee4ec32482a731ee39515f69cbdc44337a9c0797e64
SHA5124b6e799eb2697cd220649a5fe1fda996193189ff93524a52c788f5f6a2af2d9a463735a396b2c70f623d05d93f3564abc0b500320fafc691ea5018842885322a
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Filesize
559KB
MD551ba1095f0ae45a2d444bea506cb9ad4
SHA1038a5d53d055a6d440bd2c8864c2f51db206c5e5
SHA256b620091bf9973e807e12155d2247a6d233b5d13ec38c426675470ab4b26f0539
SHA512f5fe2dd0f19bcaab47540ceedbec71f7f7c5b833c8772c097594c458e5f1101fe9feb849812b65c175055f71dfb13f11c4ad94fef42cd66f247413e453de3361