Overview
overview
7Static
static
3VirusShare...39.exe
windows7-x64
7VirusShare...39.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/...981.js
windows7-x64
1ff/chrome/...981.js
windows10-2004-x64
1ff/chrome/...ion.js
windows7-x64
1ff/chrome/...ion.js
windows10-2004-x64
1ie/MediaWa...81.dll
windows7-x64
6ie/MediaWa...81.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
118s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
04/02/2024, 16:17
Static task
static1
Behavioral task
behavioral1
Sample
VirusShare_551459045dcbe02c2ab748a954090339.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
VirusShare_551459045dcbe02c2ab748a954090339.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
ffMediaWatchV1home981chaction.js
Resource
win7-20231129-en
Behavioral task
behavioral6
Sample
ffMediaWatchV1home981chaction.js
Resource
win10v2004-20231215-en
Behavioral task
behavioral7
Sample
ff/chrome/content/ffMediaWatchV1home981.js
Resource
win7-20231215-en
Behavioral task
behavioral8
Sample
ff/chrome/content/ffMediaWatchV1home981.js
Resource
win10v2004-20231222-en
Behavioral task
behavioral9
Sample
ff/chrome/content/ffMediaWatchV1home981ffaction.js
Resource
win7-20231215-en
Behavioral task
behavioral10
Sample
ff/chrome/content/ffMediaWatchV1home981ffaction.js
Resource
win10v2004-20231215-en
Behavioral task
behavioral11
Sample
ie/MediaWatchV1home981.dll
Resource
win7-20231215-en
Behavioral task
behavioral12
Sample
ie/MediaWatchV1home981.dll
Resource
win10v2004-20231222-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_551459045dcbe02c2ab748a954090339.exe
-
Size
634KB
-
MD5
551459045dcbe02c2ab748a954090339
-
SHA1
14f2dfbd3ccf873196d7ca5bae1d3e7efe8fe385
-
SHA256
dce1998da66274d4bced614f1d378ea87ea07c7b3677de3b4652398ffe7b0cf8
-
SHA512
fffce74bb890f7f0232504b31fd3e841fbbe9f23d1eb665f82190149c64b7f0b48b6d7dab4a8591affd267db2fed9113b3d41230b2d443b46f009d78cefa83f7
-
SSDEEP
12288:MJyvhIaG4GjeZHkwuPikQ7lKH5p5H9x1SueZHkwuTiBQVlKz5p9xl/lfU:MJehIaG4GjeZEXi37l6Br1SueZELiGVz
Malware Config
Signatures
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Loads dropped DLL 2 IoCs
pid Process 2468 VirusShare_551459045dcbe02c2ab748a954090339.exe 2180 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\{8552a7da-a528-484f-af67-60b040cffa2b} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{8552a7da-a528-484f-af67-60b040cffa2b}\ = "MediaWatchV1home981" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{8552a7da-a528-484f-af67-60b040cffa2b}\NoExplorer = "1" regsvr32.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\System32\GroupPolicy VirusShare_551459045dcbe02c2ab748a954090339.exe File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini VirusShare_551459045dcbe02c2ab748a954090339.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol VirusShare_551459045dcbe02c2ab748a954090339.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI VirusShare_551459045dcbe02c2ab748a954090339.exe -
Drops file in Program Files directory 22 IoCs
description ioc Process File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home981\ie\MediaWatchV1home981.dll VirusShare_551459045dcbe02c2ab748a954090339.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home981\ff\chrome.manifest VirusShare_551459045dcbe02c2ab748a954090339.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home981\ff\install.rdf VirusShare_551459045dcbe02c2ab748a954090339.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home981\ff\install.rdf VirusShare_551459045dcbe02c2ab748a954090339.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home981\ch\MediaWatchV1home981.crx VirusShare_551459045dcbe02c2ab748a954090339.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home981\ff\chrome\content\icons\Thumbs.db VirusShare_551459045dcbe02c2ab748a954090339.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home981\ff\chrome\content\icons\Thumbs.db VirusShare_551459045dcbe02c2ab748a954090339.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home981\ff\chrome\content\icons VirusShare_551459045dcbe02c2ab748a954090339.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home981\ff\chrome\content\icons\default VirusShare_551459045dcbe02c2ab748a954090339.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home981\ch\MediaWatchV1home981.crx VirusShare_551459045dcbe02c2ab748a954090339.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home981\ff\chrome\content\ffMediaWatchV1home981.js VirusShare_551459045dcbe02c2ab748a954090339.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home981\ff\chrome\content\ffMediaWatchV1home981.js VirusShare_551459045dcbe02c2ab748a954090339.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home981\ff\chrome\content\ffMediaWatchV1home981ffaction.js VirusShare_551459045dcbe02c2ab748a954090339.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home981\ff\chrome\content\ffMediaWatchV1home981ffaction.js VirusShare_551459045dcbe02c2ab748a954090339.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home981\ff\chrome\content\overlay.xul VirusShare_551459045dcbe02c2ab748a954090339.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home981\uninstall.exe VirusShare_551459045dcbe02c2ab748a954090339.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home981\ff\chrome.manifest VirusShare_551459045dcbe02c2ab748a954090339.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home981\ff\chrome VirusShare_551459045dcbe02c2ab748a954090339.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home981\ff\chrome\content VirusShare_551459045dcbe02c2ab748a954090339.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home981\ff\chrome\content\overlay.xul VirusShare_551459045dcbe02c2ab748a954090339.exe File created C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home981\ff\chrome\content\icons\default\MediaWatchV1home981_32.png VirusShare_551459045dcbe02c2ab748a954090339.exe File opened for modification C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home981\ff\chrome\content\icons\default\MediaWatchV1home981_32.png VirusShare_551459045dcbe02c2ab748a954090339.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-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Approved Extensions VirusShare_551459045dcbe02c2ab748a954090339.exe Set value (data) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Approved Extensions\{8552a7da-a528-484f-af67-60b040cffa2b} = 51667a6c4c1d3b1bcaba469e18f02100bb6e26f0448cb936 VirusShare_551459045dcbe02c2ab748a954090339.exe -
Modifies registry class 36 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8552a7da-a528-484f-af67-60b040cffa2b} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8552a7da-a528-484f-af67-60b040cffa2b}\ = "MediaWatchV1home981" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A9551B2E-B51A-4CB2-A8AC-1DC59612C1EA} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A9551B2E-B51A-4CB2-A8AC-1DC59612C1EA}\1.1\FLAGS\ = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8F72D885-940D-43B9-9840-70C2EF5FA669}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8552a7da-a528-484f-af67-60b040cffa2b}\InprocServer32\ = "C:\\Program Files (x86)\\MediaWatchV1\\MediaWatchV1home981\\ie\\MediaWatchV1home981.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8F72D885-940D-43B9-9840-70C2EF5FA669} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8F72D885-940D-43B9-9840-70C2EF5FA669}\TypeLib\ = "{A9551B2E-B51A-4CB2-A8AC-1DC59612C1EA}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8F72D885-940D-43B9-9840-70C2EF5FA669}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8552a7da-a528-484f-af67-60b040cffa2b}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8552a7da-a528-484f-af67-60b040cffa2b}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8552a7da-a528-484f-af67-60b040cffa2b}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8552a7da-a528-484f-af67-60b040cffa2b}\TypeLib\ = "{a9551b2e-b51a-4cb2-a8ac-1dc59612c1ea}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8552a7da-a528-484f-af67-60b040cffa2b}\Version\ = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A9551B2E-B51A-4CB2-A8AC-1DC59612C1EA}\1.1\0\win32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A9551B2E-B51A-4CB2-A8AC-1DC59612C1EA}\1.1\HELPDIR regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8F72D885-940D-43B9-9840-70C2EF5FA669} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8552a7da-a528-484f-af67-60b040cffa2b}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A9551B2E-B51A-4CB2-A8AC-1DC59612C1EA}\1.1 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A9551B2E-B51A-4CB2-A8AC-1DC59612C1EA}\1.1\0\win32\ = "C:\\Program Files (x86)\\MediaWatchV1\\MediaWatchV1home981\\ie\\MediaWatchV1home981.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8F72D885-940D-43B9-9840-70C2EF5FA669}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8F72D885-940D-43B9-9840-70C2EF5FA669}\TypeLib\Version = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8552a7da-a528-484f-af67-60b040cffa2b}\Version regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8F72D885-940D-43B9-9840-70C2EF5FA669}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8F72D885-940D-43B9-9840-70C2EF5FA669}\TypeLib\ = "{A9551B2E-B51A-4CB2-A8AC-1DC59612C1EA}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A9551B2E-B51A-4CB2-A8AC-1DC59612C1EA}\1.1\FLAGS regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8F72D885-940D-43B9-9840-70C2EF5FA669}\ = "IMediaWatchV1home981BHO" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8F72D885-940D-43B9-9840-70C2EF5FA669}\ = "IMediaWatchV1home981BHO" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8552a7da-a528-484f-af67-60b040cffa2b} VirusShare_551459045dcbe02c2ab748a954090339.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A9551B2E-B51A-4CB2-A8AC-1DC59612C1EA}\1.1\0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A9551B2E-B51A-4CB2-A8AC-1DC59612C1EA}\1.1\HELPDIR\ = "C:\\Program Files (x86)\\MediaWatchV1\\MediaWatchV1home981\\ie" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A9551B2E-B51A-4CB2-A8AC-1DC59612C1EA}\1.1\ = "MediaWatchV1home981Lib" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8F72D885-940D-43B9-9840-70C2EF5FA669}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8F72D885-940D-43B9-9840-70C2EF5FA669}\TypeLib\Version = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8F72D885-940D-43B9-9840-70C2EF5FA669}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8552a7da-a528-484f-af67-60b040cffa2b}\ = "Media Watch" VirusShare_551459045dcbe02c2ab748a954090339.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2468 VirusShare_551459045dcbe02c2ab748a954090339.exe 2468 VirusShare_551459045dcbe02c2ab748a954090339.exe 2468 VirusShare_551459045dcbe02c2ab748a954090339.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 2468 wrote to memory of 2180 2468 VirusShare_551459045dcbe02c2ab748a954090339.exe 28 PID 2468 wrote to memory of 2180 2468 VirusShare_551459045dcbe02c2ab748a954090339.exe 28 PID 2468 wrote to memory of 2180 2468 VirusShare_551459045dcbe02c2ab748a954090339.exe 28 PID 2468 wrote to memory of 2180 2468 VirusShare_551459045dcbe02c2ab748a954090339.exe 28 PID 2468 wrote to memory of 2180 2468 VirusShare_551459045dcbe02c2ab748a954090339.exe 28 PID 2468 wrote to memory of 2180 2468 VirusShare_551459045dcbe02c2ab748a954090339.exe 28 PID 2468 wrote to memory of 2180 2468 VirusShare_551459045dcbe02c2ab748a954090339.exe 28 PID 2468 wrote to memory of 2708 2468 VirusShare_551459045dcbe02c2ab748a954090339.exe 29 PID 2468 wrote to memory of 2708 2468 VirusShare_551459045dcbe02c2ab748a954090339.exe 29 PID 2468 wrote to memory of 2708 2468 VirusShare_551459045dcbe02c2ab748a954090339.exe 29 PID 2468 wrote to memory of 2708 2468 VirusShare_551459045dcbe02c2ab748a954090339.exe 29 PID 2468 wrote to memory of 2708 2468 VirusShare_551459045dcbe02c2ab748a954090339.exe 29 PID 2468 wrote to memory of 2708 2468 VirusShare_551459045dcbe02c2ab748a954090339.exe 29 PID 2468 wrote to memory of 2708 2468 VirusShare_551459045dcbe02c2ab748a954090339.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\VirusShare_551459045dcbe02c2ab748a954090339.exe"C:\Users\Admin\AppData\Local\Temp\VirusShare_551459045dcbe02c2ab748a954090339.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:2468 -
C:\Windows\SysWOW64\regsvr32.exeregsvr32 "C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home981\ie\MediaWatchV1home981.dll" /s2⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:2180
-
-
C:\Windows\SysWOW64\gpupdate.exe"C:\Windows\System32\gpupdate.exe" /force2⤵PID:2708
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
85KB
MD52a44d6de9e2fa2b86fc24997df467a33
SHA181324309dee2e1b63a6e1e4e59bf2ef6b9efce73
SHA256f0d22a4df0d2bd36440fb5e6a38502bba071925be30c5db7bd54210929404fe2
SHA512818e8c96c0349e82bebec4d293424071a94c3fd68744226ef49fdcc274e52b8c48160062b5fed7f11327daacf052e063000d40ae15c42eb21232e50f6e893a19
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Filesize
559KB
MD551ba1095f0ae45a2d444bea506cb9ad4
SHA1038a5d53d055a6d440bd2c8864c2f51db206c5e5
SHA256b620091bf9973e807e12155d2247a6d233b5d13ec38c426675470ab4b26f0539
SHA512f5fe2dd0f19bcaab47540ceedbec71f7f7c5b833c8772c097594c458e5f1101fe9feb849812b65c175055f71dfb13f11c4ad94fef42cd66f247413e453de3361