Overview
overview
7Static
static
3VirusShare...5b.exe
windows7-x64
7VirusShare...5b.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/...984.js
windows7-x64
1ff/chrome/...984.js
windows10-2004-x64
1ff/chrome/...ion.js
windows7-x64
1ff/chrome/...ion.js
windows10-2004-x64
1ie/MediaWa...84.dll
windows7-x64
6ie/MediaWa...84.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
144s -
max time network
158s -
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, 16:14
Static task
static1
Behavioral task
behavioral1
Sample
VirusShare_d08375fd24611ef6e185edc2dd58865b.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
VirusShare_d08375fd24611ef6e185edc2dd58865b.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/aminsis.dll
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/aminsis.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral5
Sample
ffMediaWatchV1home4984chaction.js
Resource
win7-20231129-en
Behavioral task
behavioral6
Sample
ffMediaWatchV1home4984chaction.js
Resource
win10v2004-20231222-en
Behavioral task
behavioral7
Sample
ff/chrome/content/ffMediaWatchV1home4984.js
Resource
win7-20231129-en
Behavioral task
behavioral8
Sample
ff/chrome/content/ffMediaWatchV1home4984.js
Resource
win10v2004-20231215-en
Behavioral task
behavioral9
Sample
ff/chrome/content/ffMediaWatchV1home4984ffaction.js
Resource
win7-20231215-en
Behavioral task
behavioral10
Sample
ff/chrome/content/ffMediaWatchV1home4984ffaction.js
Resource
win10v2004-20231222-en
Behavioral task
behavioral11
Sample
ie/MediaWatchV1home4984.dll
Resource
win7-20231215-en
Behavioral task
behavioral12
Sample
ie/MediaWatchV1home4984.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
win7-20231215-en
Behavioral task
behavioral16
Sample
$PLUGINSDIR/aminsis.dll
Resource
win10v2004-20231215-en
General
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Target
VirusShare_d08375fd24611ef6e185edc2dd58865b.exe
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Size
634KB
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MD5
d08375fd24611ef6e185edc2dd58865b
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SHA1
31d29a4bad062ae107094f156cc18f6b9acc25cf
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SHA256
6d0c6a70ffbd306ab73d9185f224cd79d0815dfb4be304fa8a85129fa43f8079
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SHA512
9f59878678f036fb86bdacdb9a7e5f5c9f91e04e4331c845159698ece3174003851271d6ecb602ee92fd061bbe5c2caa65f4e16b4f4bb63ff10d4e07bd1326ce
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SSDEEP
12288:AfMrK/YFdG4GjeZHkwuPikQ7lKH5p5H9x1SeZHkwuViRQJlKT5pjxFlfF:AOG4GjeZEXi37l6Br1SeZEti2JlMrflN
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-1-5-21-635608581-3370340891-292606865-1000\Control Panel\International\Geo\Nation VirusShare_d08375fd24611ef6e185edc2dd58865b.exe -
Loads dropped DLL 2 IoCs
pid Process 1392 VirusShare_d08375fd24611ef6e185edc2dd58865b.exe 4260 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\{ff15571a-9ec9-4e77-8e41-3e56bef55d19} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{ff15571a-9ec9-4e77-8e41-3e56bef55d19}\ = "MediaWatchV1home4984" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{ff15571a-9ec9-4e77-8e41-3e56bef55d19}\NoExplorer = "1" regsvr32.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol VirusShare_d08375fd24611ef6e185edc2dd58865b.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI VirusShare_d08375fd24611ef6e185edc2dd58865b.exe File opened for modification C:\Windows\System32\GroupPolicy VirusShare_d08375fd24611ef6e185edc2dd58865b.exe File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini VirusShare_d08375fd24611ef6e185edc2dd58865b.exe -
Drops file in Program Files directory 22 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home4984\ff\chrome\content\ffMediaWatchV1home4984.js VirusShare_d08375fd24611ef6e185edc2dd58865b.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home4984\ff\chrome\content\overlay.xul VirusShare_d08375fd24611ef6e185edc2dd58865b.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home4984\ff\chrome\content\icons\default\MediaWatchV1home4984_32.png VirusShare_d08375fd24611ef6e185edc2dd58865b.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home4984\ch\MediaWatchV1home4984.crx VirusShare_d08375fd24611ef6e185edc2dd58865b.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home4984\ch\MediaWatchV1home4984.crx VirusShare_d08375fd24611ef6e185edc2dd58865b.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home4984\ff\chrome.manifest VirusShare_d08375fd24611ef6e185edc2dd58865b.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home4984\ff\install.rdf VirusShare_d08375fd24611ef6e185edc2dd58865b.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home4984\ff\chrome\content\icons\Thumbs.db VirusShare_d08375fd24611ef6e185edc2dd58865b.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home4984\ff\chrome\content\icons\Thumbs.db VirusShare_d08375fd24611ef6e185edc2dd58865b.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home4984\ff\chrome\content\icons\default\MediaWatchV1home4984_32.png VirusShare_d08375fd24611ef6e185edc2dd58865b.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home4984\uninstall.exe VirusShare_d08375fd24611ef6e185edc2dd58865b.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home4984\ff\chrome.manifest VirusShare_d08375fd24611ef6e185edc2dd58865b.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home4984\ff\chrome VirusShare_d08375fd24611ef6e185edc2dd58865b.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home4984\ff\chrome\content\ffMediaWatchV1home4984.js VirusShare_d08375fd24611ef6e185edc2dd58865b.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home4984\ff\chrome\content\ffMediaWatchV1home4984ffaction.js VirusShare_d08375fd24611ef6e185edc2dd58865b.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home4984\ff\chrome\content\icons\default VirusShare_d08375fd24611ef6e185edc2dd58865b.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home4984\ie\MediaWatchV1home4984.dll VirusShare_d08375fd24611ef6e185edc2dd58865b.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home4984\ff\install.rdf VirusShare_d08375fd24611ef6e185edc2dd58865b.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home4984\ff\chrome\content\ffMediaWatchV1home4984ffaction.js VirusShare_d08375fd24611ef6e185edc2dd58865b.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home4984\ff\chrome\content\icons VirusShare_d08375fd24611ef6e185edc2dd58865b.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home4984\ff\chrome\content VirusShare_d08375fd24611ef6e185edc2dd58865b.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home4984\ff\chrome\content\overlay.xul VirusShare_d08375fd24611ef6e185edc2dd58865b.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-1-5-21-635608581-3370340891-292606865-1000\Software\Microsoft\Internet Explorer\Approved Extensions VirusShare_d08375fd24611ef6e185edc2dd58865b.exe Set value (data) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Approved Extensions\{ff15571a-9ec9-4e77-8e41-3e56bef55d19} = 51667a6c4c1d3b1b0a4f04e3f8cd10069a4b6108bdb11806 VirusShare_d08375fd24611ef6e185edc2dd58865b.exe -
Modifies registry class 36 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ff15571a-9ec9-4e77-8e41-3e56bef55d19}\ = "MediaWatchV1home4984" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ff15571a-9ec9-4e77-8e41-3e56bef55d19}\InprocServer32\ = "C:\\Program Files (x86)\\MediaWatchV1\\MediaWatchV1home4984\\ie\\MediaWatchV1home4984.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B120B86-643A-4F4C-A136-068A6AF0865A}\ = "IMediaWatchV1home4984BHO" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ff15571a-9ec9-4e77-8e41-3e56bef55d19}\ = "Media Watch" VirusShare_d08375fd24611ef6e185edc2dd58865b.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ff15571a-9ec9-4e77-8e41-3e56bef55d19}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B120B86-643A-4F4C-A136-068A6AF0865A}\TypeLib\ = "{74F8F730-E8B2-40D9-9496-B1FCA362F84C}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ff15571a-9ec9-4e77-8e41-3e56bef55d19}\Version regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ff15571a-9ec9-4e77-8e41-3e56bef55d19}\Version\ = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{74F8F730-E8B2-40D9-9496-B1FCA362F84C}\1.1 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{74F8F730-E8B2-40D9-9496-B1FCA362F84C}\1.1\FLAGS regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{74F8F730-E8B2-40D9-9496-B1FCA362F84C}\1.1\FLAGS\ = "0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{74F8F730-E8B2-40D9-9496-B1FCA362F84C}\1.1\0\win32\ = "C:\\Program Files (x86)\\MediaWatchV1\\MediaWatchV1home4984\\ie\\MediaWatchV1home4984.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{74F8F730-E8B2-40D9-9496-B1FCA362F84C}\1.1\HELPDIR\ = "C:\\Program Files (x86)\\MediaWatchV1\\MediaWatchV1home4984\\ie" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B120B86-643A-4F4C-A136-068A6AF0865A}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B120B86-643A-4F4C-A136-068A6AF0865A}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B120B86-643A-4F4C-A136-068A6AF0865A}\ = "IMediaWatchV1home4984BHO" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ff15571a-9ec9-4e77-8e41-3e56bef55d19}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{74F8F730-E8B2-40D9-9496-B1FCA362F84C}\1.1\0\win32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ff15571a-9ec9-4e77-8e41-3e56bef55d19} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B120B86-643A-4F4C-A136-068A6AF0865A} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B120B86-643A-4F4C-A136-068A6AF0865A}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B120B86-643A-4F4C-A136-068A6AF0865A} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B120B86-643A-4F4C-A136-068A6AF0865A}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ff15571a-9ec9-4e77-8e41-3e56bef55d19}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{74F8F730-E8B2-40D9-9496-B1FCA362F84C} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{74F8F730-E8B2-40D9-9496-B1FCA362F84C}\1.1\0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{74F8F730-E8B2-40D9-9496-B1FCA362F84C}\1.1\ = "MediaWatchV1home4984Lib" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B120B86-643A-4F4C-A136-068A6AF0865A}\TypeLib\ = "{74F8F730-E8B2-40D9-9496-B1FCA362F84C}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B120B86-643A-4F4C-A136-068A6AF0865A}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ff15571a-9ec9-4e77-8e41-3e56bef55d19}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ff15571a-9ec9-4e77-8e41-3e56bef55d19}\TypeLib\ = "{74f8f730-e8b2-40d9-9496-b1fca362f84c}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{74F8F730-E8B2-40D9-9496-B1FCA362F84C}\1.1\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B120B86-643A-4F4C-A136-068A6AF0865A}\TypeLib\Version = "1.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B120B86-643A-4F4C-A136-068A6AF0865A}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B120B86-643A-4F4C-A136-068A6AF0865A}\TypeLib\Version = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ff15571a-9ec9-4e77-8e41-3e56bef55d19} VirusShare_d08375fd24611ef6e185edc2dd58865b.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1392 VirusShare_d08375fd24611ef6e185edc2dd58865b.exe 1392 VirusShare_d08375fd24611ef6e185edc2dd58865b.exe 1392 VirusShare_d08375fd24611ef6e185edc2dd58865b.exe 1392 VirusShare_d08375fd24611ef6e185edc2dd58865b.exe 1392 VirusShare_d08375fd24611ef6e185edc2dd58865b.exe 1392 VirusShare_d08375fd24611ef6e185edc2dd58865b.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1392 wrote to memory of 4260 1392 VirusShare_d08375fd24611ef6e185edc2dd58865b.exe 86 PID 1392 wrote to memory of 4260 1392 VirusShare_d08375fd24611ef6e185edc2dd58865b.exe 86 PID 1392 wrote to memory of 4260 1392 VirusShare_d08375fd24611ef6e185edc2dd58865b.exe 86 PID 1392 wrote to memory of 3248 1392 VirusShare_d08375fd24611ef6e185edc2dd58865b.exe 89 PID 1392 wrote to memory of 3248 1392 VirusShare_d08375fd24611ef6e185edc2dd58865b.exe 89 PID 1392 wrote to memory of 3248 1392 VirusShare_d08375fd24611ef6e185edc2dd58865b.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\VirusShare_d08375fd24611ef6e185edc2dd58865b.exe"C:\Users\Admin\AppData\Local\Temp\VirusShare_d08375fd24611ef6e185edc2dd58865b.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:1392 -
C:\Windows\SysWOW64\regsvr32.exeregsvr32 "C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home4984\ie\MediaWatchV1home4984.dll" /s2⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:4260
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C:\Windows\SysWOW64\gpupdate.exe"C:\Windows\System32\gpupdate.exe" /force2⤵PID:3248
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc1⤵PID:5048
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum1⤵PID:4720
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
85KB
MD590b417db3640c6ea27aeab4d21d9cd63
SHA1e510d5bf699def66c409b851fdaeab0af4895349
SHA2562c925b5a683ad724e49f0fc6e41cfea1cc26c2cee97ffb0226cc643082967f37
SHA51282d87e022feca38412b57c0b6df0dd28e225fed7e0ace6519a81b597ab5519db41ad72807856233acbe9b87e41876935e337f124481af0152d08186e9556b2f6
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Filesize
559KB
MD551ba1095f0ae45a2d444bea506cb9ad4
SHA1038a5d53d055a6d440bd2c8864c2f51db206c5e5
SHA256b620091bf9973e807e12155d2247a6d233b5d13ec38c426675470ab4b26f0539
SHA512f5fe2dd0f19bcaab47540ceedbec71f7f7c5b833c8772c097594c458e5f1101fe9feb849812b65c175055f71dfb13f11c4ad94fef42cd66f247413e453de3361