Analysis
- max time kernel
91s - max time network
139s - platform
windows10-2004_x64 - resource
win10v2004-20240412-en - resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system - submitted
16/04/2024, 02:17
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
f275efacaf7bf9ef74bce03d2d8adce3_JaffaCakes118.exe
Resource
win7-20240319-en
windows7-x64
7 signatures
150 seconds
General
- Target f275efacaf7bf9ef74bce03d2d8adce3_JaffaCakes118.exe
- Size 128KB
- Sample240416-cq78csfa75
- SHA256 89e7aeaade7dfd4c2614b1664669db6c58ec932ae3d091bb94a76b7642a759d4
- MD5 f275efacaf7bf9ef74bce03d2d8adce3
- SHA1 6e8bf8d45fdaec13d831666f26cdcb9e6fe3e849
- SHA512 dd02b12033701134861a7a4a58a9de2913bced8dd4ffa0718d13bd243360f6de36475d9cfe31b7dee192361e12a4721bf08bddf37d78d9ffc529e2d339e323f9
- SSDEEP 3072:EmeDmBqskJEIn+bSXr1w2Cc7W7GNEqwdiLWdHIMM3GlsPrCI:E8hfbm8KW7d6WVI2sTn
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Loads dropped DLL 1 IoCs
pid Process 2760 regsvr32.exe - 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 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 f275efacaf7bf9ef74bce03d2d8adce3_JaffaCakes118.exe File created C:\Program Files (x86)\Common Files\PushWare\cpush.dll f275efacaf7bf9ef74bce03d2d8adce3_JaffaCakes118.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Modifies registry class 64 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\NexwAdPopup.AWLogic regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\NewAdPopup.ToolbarDetector regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{34A12A06-48C0-420D-8F11-73552EE9631A}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DE2267BD-B163-407F-9E8D-6ADEC771E7AB} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CDE9EB54-A08E-4570-B748-13F5DDB5781C}\ = "CPopupBlock Object" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CDE9EB54-A08E-4570-B748-13F5DDB5781C}\ProgID\ = "NewCosoMediumPop.PopCoso.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\NewAdPopup.ToolbarDetector.1\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{34A12A06-48C0-420D-8F11-73552EE9631A}\TypeLib\ = "{DE2267BD-B163-407F-9E8D-6ADEC771E7AB}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0AD3AB16-6D0E-4F04-8660-FB1F36BC2DC0}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2F685B36-C53A-4653-9231-1DAE5736DE45}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2F685B36-C53A-4653-9231-1DAE5736DE45}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\NexwAdPopup.AWLogic\CurVer\ = "NexwAdPopup.AWLogic.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{11F09AFE-75AD-4E52-AB43-E09E9351CE17}\VersionIndependentProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2F685B36-C53A-4653-9231-1DAE5736DE45}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{11F09AFD-75AD-4E51-AB43-E09E9351CE16}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CDE9EB54-A08E-4570-B748-13F5DDB5781C}\AppID 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\WOW6432Node\CLSID\{34A12A06-48C0-420D-8F11-73552EE9631A}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0AD3AB16-6D0E-4F04-8660-FB1F36BC2DC0} 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\NewAdPopup.ToolbarDetector\CurVer\ = "NewAdPopup.ToolbarDetector.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{50C4CDD9-22D7-49FF-AC6D-7D4D528A3AB2}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{50C4CDD9-22D7-49FF-AC6D-7D4D528A3AB2}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\NewCosoMediumPop.PopCoso.1\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DE2267BD-B163-407F-9E8D-6ADEC771E7AB}\1.0\FLAGS\ = "0" 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\{34A12A06-48C0-420D-8F11-73552EE9631A}\InprocServer32 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\WOW6432Node\CLSID\{CDE9EB54-A08E-4570-B748-13F5DDB5781C}\InprocServer32\ThreadingModel = "apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\NexwAdPopup.AWLogic.1 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2F685B36-C53A-4653-9231-1DAE5736DE45}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{34A12A06-48C0-420D-8F11-73552EE9631A}\ProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{50C4CDD9-22D7-49FF-AC6D-7D4D528A3AB2} 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\NewCosoMediumPop.PopCoso 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}\VersionIndependentProgID\ = "NexwAdPopup.AWLogic" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\NewAdPopup.ToolbarDetector\CurVer 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}\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\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\NexwAdPopup.AWLogic.1\ = "CAdLogic Object" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CDE9EB54-A08E-4570-B748-13F5DDB5781C}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{34A12A06-48C0-420D-8F11-73552EE9631A}\ = "CToolbarDetector Object" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0AD3AB16-6D0E-4F04-8660-FB1F36BC2DC0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0AD3AB16-6D0E-4F04-8660-FB1F36BC2DC0}\TypeLib\ = "{DE2267BD-B163-407F-9E8D-6ADEC771E7AB}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\NewCosoMediumPop.PopCoso\CLSID\ = "{CDE9EB54-A08E-4570-B748-13F5DDB5781C}" 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\WOW6432Node\Interface\{50C4CDD9-22D7-49FF-AC6D-7D4D528A3AB2}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2F685B36-C53A-4653-9231-1DAE5736DE45}\ = "IToolbarDetector" 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 Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\NexwAdPopup.AWLogic.1\CLSID\ = "{11F09AFE-75AD-4E52-AB43-E09E9351CE17}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0AD3AB16-6D0E-4F04-8660-FB1F36BC2DC0}\TypeLib\ = "{DE2267BD-B163-407F-9E8D-6ADEC771E7AB}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\NewCosoMediumPop.PopCoso\ = "CPopupBlock Object" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{11F09AFD-75AD-4E51-AB43-E09E9351CE16} 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.1\CLSID\ = "{34A12A06-48C0-420D-8F11-73552EE9631A}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{34A12A06-48C0-420D-8F11-73552EE9631A}\InprocServer32\ThreadingModel = "apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DE2267BD-B163-407F-9E8D-6ADEC771E7AB}\1.0\FLAGS 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\{50C4CDD9-22D7-49FF-AC6D-7D4D528A3AB2}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CDE9EB54-A08E-4570-B748-13F5DDB5781C}\Programmable regsvr32.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5048 wrote to memory of 2760 5048 f275efacaf7bf9ef74bce03d2d8adce3_JaffaCakes118.exe 86 PID 5048 wrote to memory of 2760 5048 f275efacaf7bf9ef74bce03d2d8adce3_JaffaCakes118.exe 86 PID 5048 wrote to memory of 2760 5048 f275efacaf7bf9ef74bce03d2d8adce3_JaffaCakes118.exe 86
Processes
-
C:\Users\Admin\AppData\Local\Temp\f275efacaf7bf9ef74bce03d2d8adce3_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f275efacaf7bf9ef74bce03d2d8adce3_JaffaCakes118.exe"1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:5048 -
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:2760
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Program Files (x86)\Common Files\PushWare\cpush.dll
- Size 208KB
- SHA256 567887e104611e6a3c9d593e5cfdf326e449462b31745999e27001d269a647e5
- MD5 a66cacb7947b94dff2acc14aab607266
- SHA1 a7c627a114b44071831b3cfecb9d3328b7e6a51e
- SHA512 1250a8eab2f382c8bafbca1cbe12590a7911cae89264457e721d7fcea97fa12641ff6ecb2ae336bcb0a99f457cb364e3cb1e54ed03dca0fc8ccb9d5b180aa8bb
- SSDEEP 3072:FTCcygwhfPv7LHE9n4y8Et6z/MAdOtmJA58Km/w1bZARWoxlmDjWlD0ZCb3q:FlgRDq4y8W6/MAQAA8K7Z/DigCjq
- MD5 SHA1 SHA512 SSDEEP