Overview
overview
7Static
static
3VirusShare...a4.exe
windows7-x64
7VirusShare...a4.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/...128.js
windows7-x64
1ff/chrome/...128.js
windows10-2004-x64
1ff/chrome/...ion.js
windows7-x64
1ff/chrome/...ion.js
windows10-2004-x64
1ie/MediaWa...28.dll
windows7-x64
6ie/MediaWa...28.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
120s - max time network
148s - 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, 13:31
Static task
static1
Behavioral task
behavioral1
Sample
VirusShare_2d168a220037b5dfc842618aa739c9a4.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
VirusShare_2d168a220037b5dfc842618aa739c9a4.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
ffMediaWatchV1home128chaction.js
Resource
win7-20231215-en
Behavioral task
behavioral6
Sample
ffMediaWatchV1home128chaction.js
Resource
win10v2004-20231215-en
Behavioral task
behavioral7
Sample
ff/chrome/content/ffMediaWatchV1home128.js
Resource
win7-20231215-en
Behavioral task
behavioral8
Sample
ff/chrome/content/ffMediaWatchV1home128.js
Resource
win10v2004-20231222-en
Behavioral task
behavioral9
Sample
ff/chrome/content/ffMediaWatchV1home128ffaction.js
Resource
win7-20231215-en
Behavioral task
behavioral10
Sample
ff/chrome/content/ffMediaWatchV1home128ffaction.js
Resource
win10v2004-20231215-en
Behavioral task
behavioral11
Sample
ie/MediaWatchV1home128.dll
Resource
win7-20231215-en
Behavioral task
behavioral12
Sample
ie/MediaWatchV1home128.dll
Resource
win10v2004-20231222-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_2d168a220037b5dfc842618aa739c9a4.exe
- Size 634KB
- Sample240204-qsj57sahc8
- SHA256 72efb5836435fe8e7e464ef27fcccdb969a15cd7d6419ffafc2c240ac21c724e
- MD5 2d168a220037b5dfc842618aa739c9a4
- SHA1 0bf6dfa7f0bcb27ab8caf9e8a4c4f44023cc4f7a
- SHA512 5ee274d84a4a2d8a4101a02b5ee6b7108da628566a5471c74e00b8b457ae97a78064c4c513650a0f7afa058d2336a993efb7bc079a245fda0f80bea639518046
- SSDEEP 12288:1Rd4gG4GjeZHkwuPikQ7lKH5p5H9x1S5eZHkwuZi5QhlKL5pyCsQzdjVWY:1Rd4gG4GjeZEXi37l6Br1S5eZERiuhlS
- 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_2d168a220037b5dfc842618aa739c9a4.exe - Loads dropped DLL 2 IoCs
pid Process 2204 VirusShare_2d168a220037b5dfc842618aa739c9a4.exe 220 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\{24059c46-17f2-45a7-bef6-fdcd95d241cc} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{24059c46-17f2-45a7-bef6-fdcd95d241cc}\ = "MediaWatchV1home128" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{24059c46-17f2-45a7-bef6-fdcd95d241cc}\NoExplorer = "1" regsvr32.exe - Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\System32\GroupPolicy VirusShare_2d168a220037b5dfc842618aa739c9a4.exe File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini VirusShare_2d168a220037b5dfc842618aa739c9a4.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol VirusShare_2d168a220037b5dfc842618aa739c9a4.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI VirusShare_2d168a220037b5dfc842618aa739c9a4.exe - Drops file in Program Files directory 22 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home128\ch\MediaWatchV1home128.crx VirusShare_2d168a220037b5dfc842618aa739c9a4.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home128\ff\chrome\content VirusShare_2d168a220037b5dfc842618aa739c9a4.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home128\ff\chrome\content\icons VirusShare_2d168a220037b5dfc842618aa739c9a4.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home128\ff\chrome\content\icons\default\MediaWatchV1home128_32.png VirusShare_2d168a220037b5dfc842618aa739c9a4.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home128\ie\MediaWatchV1home128.dll VirusShare_2d168a220037b5dfc842618aa739c9a4.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home128\ff\chrome.manifest VirusShare_2d168a220037b5dfc842618aa739c9a4.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home128\ff\chrome VirusShare_2d168a220037b5dfc842618aa739c9a4.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home128\ff\chrome\content\ffMediaWatchV1home128.js VirusShare_2d168a220037b5dfc842618aa739c9a4.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home128\ff\chrome\content\ffMediaWatchV1home128ffaction.js VirusShare_2d168a220037b5dfc842618aa739c9a4.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home128\ff\chrome\content\overlay.xul VirusShare_2d168a220037b5dfc842618aa739c9a4.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home128\ff\chrome\content\icons\Thumbs.db VirusShare_2d168a220037b5dfc842618aa739c9a4.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home128\ff\chrome\content\icons\default VirusShare_2d168a220037b5dfc842618aa739c9a4.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home128\ch\MediaWatchV1home128.crx VirusShare_2d168a220037b5dfc842618aa739c9a4.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home128\ff\install.rdf VirusShare_2d168a220037b5dfc842618aa739c9a4.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home128\ff\chrome\content\ffMediaWatchV1home128.js VirusShare_2d168a220037b5dfc842618aa739c9a4.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home128\ff\chrome\content\overlay.xul VirusShare_2d168a220037b5dfc842618aa739c9a4.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home128\ff\chrome\content\icons\Thumbs.db VirusShare_2d168a220037b5dfc842618aa739c9a4.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home128\ff\chrome.manifest VirusShare_2d168a220037b5dfc842618aa739c9a4.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home128\ff\install.rdf VirusShare_2d168a220037b5dfc842618aa739c9a4.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home128\ff\chrome\content\ffMediaWatchV1home128ffaction.js VirusShare_2d168a220037b5dfc842618aa739c9a4.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home128\ff\chrome\content\icons\default\MediaWatchV1home128_32.png VirusShare_2d168a220037b5dfc842618aa739c9a4.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home128\uninstall.exe VirusShare_2d168a220037b5dfc842618aa739c9a4.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_2d168a220037b5dfc842618aa739c9a4.exe Set value (data) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Approved Extensions\{24059c46-17f2-45a7-bef6-fdcd95d241cc} = 51667a6c4c1d3b1b5683163bcd46c10ba1f4bc8d969505d9 VirusShare_2d168a220037b5dfc842618aa739c9a4.exe - Modifies registry class 36 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{168FAAEB-AFF6-4E66-AB58-5C3D7C402DC1} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{168FAAEB-AFF6-4E66-AB58-5C3D7C402DC1}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{168FAAEB-AFF6-4E66-AB58-5C3D7C402DC1}\TypeLib\Version = "1.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{168FAAEB-AFF6-4E66-AB58-5C3D7C402DC1}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{168FAAEB-AFF6-4E66-AB58-5C3D7C402DC1}\TypeLib\ = "{F080A019-11E8-4A2D-991C-D400C6C68F7E}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{24059c46-17f2-45a7-bef6-fdcd95d241cc}\InprocServer32\ = "C:\\Program Files (x86)\\MediaWatchV1\\MediaWatchV1home128\\ie\\MediaWatchV1home128.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{168FAAEB-AFF6-4E66-AB58-5C3D7C402DC1}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{168FAAEB-AFF6-4E66-AB58-5C3D7C402DC1} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{168FAAEB-AFF6-4E66-AB58-5C3D7C402DC1}\TypeLib\Version = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{24059c46-17f2-45a7-bef6-fdcd95d241cc}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{24059c46-17f2-45a7-bef6-fdcd95d241cc}\Version\ = "1.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F080A019-11E8-4A2D-991C-D400C6C68F7E}\1.1\FLAGS\ = "0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{168FAAEB-AFF6-4E66-AB58-5C3D7C402DC1}\TypeLib\ = "{F080A019-11E8-4A2D-991C-D400C6C68F7E}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{24059c46-17f2-45a7-bef6-fdcd95d241cc}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F080A019-11E8-4A2D-991C-D400C6C68F7E}\1.1\0\win32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{168FAAEB-AFF6-4E66-AB58-5C3D7C402DC1}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{24059c46-17f2-45a7-bef6-fdcd95d241cc}\Version regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F080A019-11E8-4A2D-991C-D400C6C68F7E}\1.1\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{168FAAEB-AFF6-4E66-AB58-5C3D7C402DC1}\ = "IMediaWatchV1home128BHO" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{24059c46-17f2-45a7-bef6-fdcd95d241cc}\ = "Media Watch" VirusShare_2d168a220037b5dfc842618aa739c9a4.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F080A019-11E8-4A2D-991C-D400C6C68F7E} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F080A019-11E8-4A2D-991C-D400C6C68F7E}\1.1\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{168FAAEB-AFF6-4E66-AB58-5C3D7C402DC1}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{24059c46-17f2-45a7-bef6-fdcd95d241cc} VirusShare_2d168a220037b5dfc842618aa739c9a4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{24059c46-17f2-45a7-bef6-fdcd95d241cc}\ = "MediaWatchV1home128" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{24059c46-17f2-45a7-bef6-fdcd95d241cc}\Programmable regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{24059c46-17f2-45a7-bef6-fdcd95d241cc}\TypeLib\ = "{f080a019-11e8-4a2d-991c-d400c6c68f7e}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F080A019-11E8-4A2D-991C-D400C6C68F7E}\1.1\ = "MediaWatchV1home128Lib" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F080A019-11E8-4A2D-991C-D400C6C68F7E}\1.1\0\win32\ = "C:\\Program Files (x86)\\MediaWatchV1\\MediaWatchV1home128\\ie\\MediaWatchV1home128.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F080A019-11E8-4A2D-991C-D400C6C68F7E}\1.1\HELPDIR\ = "C:\\Program Files (x86)\\MediaWatchV1\\MediaWatchV1home128\\ie" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{24059c46-17f2-45a7-bef6-fdcd95d241cc} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{24059c46-17f2-45a7-bef6-fdcd95d241cc}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F080A019-11E8-4A2D-991C-D400C6C68F7E}\1.1 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F080A019-11E8-4A2D-991C-D400C6C68F7E}\1.1\FLAGS regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{168FAAEB-AFF6-4E66-AB58-5C3D7C402DC1}\ = "IMediaWatchV1home128BHO" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{168FAAEB-AFF6-4E66-AB58-5C3D7C402DC1}\TypeLib regsvr32.exe - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2204 VirusShare_2d168a220037b5dfc842618aa739c9a4.exe 2204 VirusShare_2d168a220037b5dfc842618aa739c9a4.exe 2204 VirusShare_2d168a220037b5dfc842618aa739c9a4.exe 2204 VirusShare_2d168a220037b5dfc842618aa739c9a4.exe 2204 VirusShare_2d168a220037b5dfc842618aa739c9a4.exe 2204 VirusShare_2d168a220037b5dfc842618aa739c9a4.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2204 wrote to memory of 220 2204 VirusShare_2d168a220037b5dfc842618aa739c9a4.exe 87 PID 2204 wrote to memory of 220 2204 VirusShare_2d168a220037b5dfc842618aa739c9a4.exe 87 PID 2204 wrote to memory of 220 2204 VirusShare_2d168a220037b5dfc842618aa739c9a4.exe 87 PID 2204 wrote to memory of 2348 2204 VirusShare_2d168a220037b5dfc842618aa739c9a4.exe 92 PID 2204 wrote to memory of 2348 2204 VirusShare_2d168a220037b5dfc842618aa739c9a4.exe 92 PID 2204 wrote to memory of 2348 2204 VirusShare_2d168a220037b5dfc842618aa739c9a4.exe 92
Processes
-
C:\Users\Admin\AppData\Local\Temp\VirusShare_2d168a220037b5dfc842618aa739c9a4.exe"C:\Users\Admin\AppData\Local\Temp\VirusShare_2d168a220037b5dfc842618aa739c9a4.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:2204 -
C:\Windows\SysWOW64\regsvr32.exeregsvr32 "C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home128\ie\MediaWatchV1home128.dll" /s2⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:220
-
-
C:\Windows\SysWOW64\gpupdate.exe"C:\Windows\System32\gpupdate.exe" /force2⤵PID:2348
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum1⤵PID:4564
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc1⤵PID:3572
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home128\ie\MediaWatchV1home128.dll
- Size 85KB
- SHA256 f07151052b4a151c1ab261c07bb683adee9d6ca8fdd104fe8f9ba6dd6cb5efe8
- MD5 a437a7988c41009aedf3a1ec996ccf0c
- SHA1 88c915ef42d58d97357653d9c82a162f1991d2cd
- SHA512 9b7864ee52a117fe8d59b0ae2d6d5bba5273c75d556a4514aee6bd7c23d2575ec07342a54f469a1851af41e2376c9405deb2a7f7a77a766f9b90b67123c8805f
- SSDEEP 1536:R3flScQkGMAJtasrOb8Dk9u5HgNglQcA7i7:BlikGMALasrOq5A+acAc
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\nsi4EBD.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