Analysis
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max time kernel
120s -
max time network
141s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
10-03-2024 02:31
Static task
static1
Behavioral task
behavioral1
Sample
bd6fcd9ab4d89c3f78d2d2c5731219a6.exe
Resource
win7-20240221-en
General
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Target
bd6fcd9ab4d89c3f78d2d2c5731219a6.exe
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Size
128KB
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MD5
bd6fcd9ab4d89c3f78d2d2c5731219a6
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SHA1
5a47167d3818176c741554d2bfb5194919d76233
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SHA256
adeff06a2a25e6c6c0228a41b7bcef454b74fccc8b04f998de86018ce8534eb8
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SHA512
172c1fd8fb6b2ed163eccbe175615107c825cbad61839e821363c078f881275c769b4dbe7ae4a374c66f351a886d4baa3607e13b1d3912ab2017e777c5ae029f
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SSDEEP
3072:EmeDmBqskJ9n49T6vDjEJupyGzb/8U9fxO27J0RzZgQKGprL:E8B+IopyGzz9zJ+l/xL
Malware Config
Signatures
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Loads dropped DLL 1 IoCs
pid Process 2596 regsvr32.exe -
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 2 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\{11F09AFE-75AD-4E52-AB43-E09E9351CE17} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{11F09AFE-75AD-4E52-AB43-E09E9351CE17}\ = "AdPopup" regsvr32.exe -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files (x86)\Common Files\PushWare\Uninst.exe bd6fcd9ab4d89c3f78d2d2c5731219a6.exe File created C:\Program Files (x86)\Common Files\PushWare\cpush.dll bd6fcd9ab4d89c3f78d2d2c5731219a6.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 64 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CDE9EB54-A08E-4570-B748-13F5DDB5781C}\VersionIndependentProgID\ = "NewCosoMediumPop.PopCoso" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CDE9EB54-A08E-4570-B748-13F5DDB5781C}\InprocServer32\ = "C:\\Program Files (x86)\\Common Files\\PushWare\\cpush.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{34A12A06-48C0-420D-8F11-73552EE9631A}\InprocServer32\ThreadingModel = "apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{50C4CDD9-22D7-49FF-AC6D-7D4D528A3AB2}\ = "IPopupBlock" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{2F685B36-C53A-4653-9231-1DAE5736DE45}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{11F09AFE-75AD-4E52-AB43-E09E9351CE17}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\NewAdPopup.ToolbarDetector\CurVer regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0AD3AB16-6D0E-4F04-8660-FB1F36BC2DC0}\TypeLib\ = "{DE2267BD-B163-407F-9E8D-6ADEC771E7AB}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{50C4CDD9-22D7-49FF-AC6D-7D4D528A3AB2}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{50C4CDD9-22D7-49FF-AC6D-7D4D528A3AB2}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\NewAdPopup.ToolbarDetector.1\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0AD3AB16-6D0E-4F04-8660-FB1F36BC2DC0}\ = "IAdLogic" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\NewCosoMediumPop.PopCoso\CLSID\ = "{CDE9EB54-A08E-4570-B748-13F5DDB5781C}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{11F09AFE-75AD-4E52-AB43-E09E9351CE17}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DE2267BD-B163-407F-9E8D-6ADEC771E7AB}\1.0\HELPDIR\ = "C:\\Program Files (x86)\\Common Files\\PushWare\\" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\NewAdPopup.ToolbarDetector regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{50C4CDD9-22D7-49FF-AC6D-7D4D528A3AB2} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{11F09AFE-75AD-4E52-AB43-E09E9351CE17}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{11F09AFE-75AD-4E52-AB43-E09E9351CE17}\AppID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0AD3AB16-6D0E-4F04-8660-FB1F36BC2DC0}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0AD3AB16-6D0E-4F04-8660-FB1F36BC2DC0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{34A12A06-48C0-420D-8F11-73552EE9631A}\Programmable regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DE2267BD-B163-407F-9E8D-6ADEC771E7AB}\1.0\ = "NewAdPopup 1.0 Type Library" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DE2267BD-B163-407F-9E8D-6ADEC771E7AB}\1.0\0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{2F685B36-C53A-4653-9231-1DAE5736DE45}\ = "IToolbarDetector" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DE2267BD-B163-407F-9E8D-6ADEC771E7AB}\1.0\0\win32\ = "C:\\Program Files (x86)\\Common Files\\PushWare\\cpush.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{2F685B36-C53A-4653-9231-1DAE5736DE45}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\NewCosoMediumPop.PopCoso\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{11F09AFE-75AD-4E52-AB43-E09E9351CE17}\TypeLib\ = "{DE2267BD-B163-407F-9E8D-6ADEC771E7AB}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{34A12A06-48C0-420D-8F11-73552EE9631A} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{34A12A06-48C0-420D-8F11-73552EE9631A}\VersionIndependentProgID\ = "NewAdPopup.ToolbarDetector" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{50C4CDD9-22D7-49FF-AC6D-7D4D528A3AB2}\TypeLib\ = "{DE2267BD-B163-407F-9E8D-6ADEC771E7AB}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\NexwAdPopup.AWLogic.1\CLSID\ = "{11F09AFE-75AD-4E52-AB43-E09E9351CE17}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{34A12A06-48C0-420D-8F11-73552EE9631A}\VersionIndependentProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{34A12A06-48C0-420D-8F11-73552EE9631A}\InprocServer32\ = "C:\\Program Files (x86)\\Common Files\\PushWare\\cpush.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0AD3AB16-6D0E-4F04-8660-FB1F36BC2DC0} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{34A12A06-48C0-420D-8F11-73552EE9631A}\ProgID\ = "NewAdPopup.ToolbarDetector.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DE2267BD-B163-407F-9E8D-6ADEC771E7AB}\1.0\0\win32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CDE9EB54-A08E-4570-B748-13F5DDB5781C} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\NexwAdPopup.AWLogic.1 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{11F09AFE-75AD-4E52-AB43-E09E9351CE17} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{11F09AFE-75AD-4E52-AB43-E09E9351CE17}\ProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{11F09AFE-75AD-4E52-AB43-E09E9351CE17}\VersionIndependentProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{11F09AFD-75AD-4E51-AB43-E09E9351CE16}\InprocServer32\ = "C:\\Program Files (x86)\\Common Files\\PushWare\\cpush.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CDE9EB54-A08E-4570-B748-13F5DDB5781C}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\NexwAdPopup.AWLogic.1\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DE2267BD-B163-407F-9E8D-6ADEC771E7AB}\1.0\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0AD3AB16-6D0E-4F04-8660-FB1F36BC2DC0}\ = "IAdLogic" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2F685B36-C53A-4653-9231-1DAE5736DE45}\ = "IToolbarDetector" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\NewAdPopup.ToolbarDetector\CLSID\ = "{34A12A06-48C0-420D-8F11-73552EE9631A}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{50C4CDD9-22D7-49FF-AC6D-7D4D528A3AB2}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CDE9EB54-A08E-4570-B748-13F5DDB5781C}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CDE9EB54-A08E-4570-B748-13F5DDB5781C}\TypeLib\ = "{DE2267BD-B163-407F-9E8D-6ADEC771E7AB}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\NexwAdPopup.AWLogic\ = "CAdLogic Object" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\NexwAdPopup.AWLogic\CLSID\ = "{11F09AFE-75AD-4E52-AB43-E09E9351CE17}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\NexwAdPopup.AWLogic\CurVer\ = "NexwAdPopup.AWLogic.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{50C4CDD9-22D7-49FF-AC6D-7D4D528A3AB2}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\NewCosoMediumPop.PopCoso.1\CLSID\ = "{CDE9EB54-A08E-4570-B748-13F5DDB5781C}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\NewCosoMediumPop.PopCoso regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\NexwAdPopup.AWLogic\CurVer regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\NewAdPopup.ToolbarDetector.1\ = "CToolbarDetector Object" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\NewAdPopup.ToolbarDetector\ = "CToolbarDetector Object" regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1884 wrote to memory of 2596 1884 bd6fcd9ab4d89c3f78d2d2c5731219a6.exe 27 PID 1884 wrote to memory of 2596 1884 bd6fcd9ab4d89c3f78d2d2c5731219a6.exe 27 PID 1884 wrote to memory of 2596 1884 bd6fcd9ab4d89c3f78d2d2c5731219a6.exe 27 PID 1884 wrote to memory of 2596 1884 bd6fcd9ab4d89c3f78d2d2c5731219a6.exe 27 PID 1884 wrote to memory of 2596 1884 bd6fcd9ab4d89c3f78d2d2c5731219a6.exe 27 PID 1884 wrote to memory of 2596 1884 bd6fcd9ab4d89c3f78d2d2c5731219a6.exe 27 PID 1884 wrote to memory of 2596 1884 bd6fcd9ab4d89c3f78d2d2c5731219a6.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\bd6fcd9ab4d89c3f78d2d2c5731219a6.exe"C:\Users\Admin\AppData\Local\Temp\bd6fcd9ab4d89c3f78d2d2c5731219a6.exe"1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1884 -
C:\Windows\SysWOW64\regsvr32.exe"C:\Windows\system32\regsvr32.exe" /s "C:\Program Files (x86)\Common Files\PushWare\cpush.dll"2⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:2596
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
208KB
MD5a66cacb7947b94dff2acc14aab607266
SHA1a7c627a114b44071831b3cfecb9d3328b7e6a51e
SHA256567887e104611e6a3c9d593e5cfdf326e449462b31745999e27001d269a647e5
SHA5121250a8eab2f382c8bafbca1cbe12590a7911cae89264457e721d7fcea97fa12641ff6ecb2ae336bcb0a99f457cb364e3cb1e54ed03dca0fc8ccb9d5b180aa8bb