Analysis
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max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system -
submitted
12-07-2024 02:36
Static task
static1
Behavioral task
behavioral1
Sample
3bafdc36630a981a428005fc61616446_JaffaCakes118.dll
Resource
win7-20240705-en
windows7-x64
4 signatures
150 seconds
General
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Target
3bafdc36630a981a428005fc61616446_JaffaCakes118.dll
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Size
854KB
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MD5
3bafdc36630a981a428005fc61616446
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SHA1
57506aa071ce13048d57acaab6c1a44ef1b413c6
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SHA256
1999abaf059f6de3ceee37ef0316c92f4c4dc2f417164486f389b641c34f0c85
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SHA512
efc9a1df057e181f3ddf9b0cc5254a4fab8831650273783f31408407b08da2c01f674616d96a3245e7be3b599079508edd732ea4bc287aac3dad7eca4ed1f721
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SSDEEP
24576:/iIG/U1LdoGHP2uep43mNh6FQNPcRwojUIT7JLWKLdQD:/rN5HP2ffkFQNefT7Jy
Malware Config
Signatures
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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\{D3D233D5-9F6D-436C-B6C7-E63F77503B30} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{D3D233D5-9F6D-436C-B6C7-E63F77503B30}\ regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{D3D233D5-9F6D-436C-B6C7-E63F77503B30}\NoExplorer = "1" regsvr32.exe -
description ioc Process Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Internet Explorer\Main regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\IEWatsonEnabled = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Toolbar regsvr32.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Toolbar\{D7E97865-918F-41E4-9CD0-25AB1C574CE8} = 00 regsvr32.exe -
Modifies registry class 64 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Inbox.WS.com IE Toolbar\Clsid regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Inbox.WST404\Clsid\ = "{37540F19-DD4C-478B-B2DF-C19281BCAF27}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{042DA63B-0933-403D-9395-B49307691690}\ = "Inbox" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{042DA63B-0933-403D-9395-B49307691690}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{CE057E0D-2D7E-4DFF-A890-07BA69B8C762}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CE057E0D-2D7E-4DFF-A890-07BA69B8C762}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D3D233D5-9F6D-436C-B6C7-E63F77503B30}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{37540F19-DD4C-478B-B2DF-C19281BCAF27}\ regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{042DA63B-0933-403D-9395-B49307691690}\Implemented Categories\ regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D3D233D5-9F6D-436C-B6C7-E63F77503B30}\InProcServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Inbox.WST404\ regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{042DA63B-0933-403D-9395-B49307691690} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{042DA63B-0933-403D-9395-B49307691690}\TypeLib\ = "{CBEF8724-D080-4737-88DA-111EEC6651AA}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{042DA63B-0933-403D-9395-B49307691690}\Implemented Categories regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D7E97865-918F-41E4-9CD0-25AB1C574CE8}\ = "&Inbox Toolbar" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{042DA63B-0933-403D-9395-B49307691690}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3bafdc36630a981a428005fc61616446_JaffaCakes118.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Inbox.CoInboxJS\Clsid regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{042DA63B-0933-403D-9395-B49307691690}\Implemented Categories\{7DD95802-9882-11CF-9FA9-00AA006C42C4} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\PROTOCOLS\Handler\inbox regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CBEF8724-D080-4737-88DA-111EEC6651AA}\1.0\FLAGS regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CE057E0D-2D7E-4DFF-A890-07BA69B8C762} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D7E97865-918F-41E4-9CD0-25AB1C574CE8} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Inbox.WS.com IE Toolbar\ = "IE toolbar" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{37540F19-DD4C-478B-B2DF-C19281BCAF27}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{37540F19-DD4C-478B-B2DF-C19281BCAF27}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{37540F19-DD4C-478B-B2DF-C19281BCAF27}\ProgID\ = "Inbox.WST404" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Inbox.CoInboxJS\Clsid\ = "{042DA63B-0933-403D-9395-B49307691690}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{042DA63B-0933-403D-9395-B49307691690}\InProcServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{042DA63B-0933-403D-9395-B49307691690}\Implemented Categories\{7DD95801-9882-11CF-9FA9-00AA006C42C4} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CBEF8724-D080-4737-88DA-111EEC6651AA}\1.0\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{CE057E0D-2D7E-4DFF-A890-07BA69B8C762}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D3D233D5-9F6D-436C-B6C7-E63F77503B30}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3bafdc36630a981a428005fc61616446_JaffaCakes118.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Inbox.WS.com IE Toolbar\Clsid\ = "{D7E97865-918F-41E4-9CD0-25AB1C574CE8}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D7E97865-918F-41E4-9CD0-25AB1C574CE8}\ProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{37540F19-DD4C-478B-B2DF-C19281BCAF27}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{042DA63B-0933-403D-9395-B49307691690}\Version\ = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{042DA63B-0933-403D-9395-B49307691690}\ProgID\ = "Inbox.CoInboxJS" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CBEF8724-D080-4737-88DA-111EEC6651AA}\1.0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CE057E0D-2D7E-4DFF-A890-07BA69B8C762}\ = "IInboxJS" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CE057E0D-2D7E-4DFF-A890-07BA69B8C762}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D3D233D5-9F6D-436C-B6C7-E63F77503B30}\ = "Inbox Toolbar" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D7E97865-918F-41E4-9CD0-25AB1C574CE8}\ = "IE toolbar" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D7E97865-918F-41E4-9CD0-25AB1C574CE8}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{37540F19-DD4C-478B-B2DF-C19281BCAF27}\InProcServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CBEF8724-D080-4737-88DA-111EEC6651AA}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3bafdc36630a981a428005fc61616446_JaffaCakes118.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CBEF8724-D080-4737-88DA-111EEC6651AA}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D7E97865-918F-41E4-9CD0-25AB1C574CE8}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{042DA63B-0933-403D-9395-B49307691690}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{042DA63B-0933-403D-9395-B49307691690}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{CE057E0D-2D7E-4DFF-A890-07BA69B8C762} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{37540F19-DD4C-478B-B2DF-C19281BCAF27} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\PROTOCOLS\Handler\inbox\ = "inbox" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Inbox.CoInboxJS\ = "Inbox" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{042DA63B-0933-403D-9395-B49307691690}\ProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CBEF8724-D080-4737-88DA-111EEC6651AA} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{CE057E0D-2D7E-4DFF-A890-07BA69B8C762}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CE057E0D-2D7E-4DFF-A890-07BA69B8C762}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D3D233D5-9F6D-436C-B6C7-E63F77503B30}\ regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D7E97865-918F-41E4-9CD0-25AB1C574CE8}\ProgID\ = "Inbox.WS.com IE Toolbar" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CE057E0D-2D7E-4DFF-A890-07BA69B8C762}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D3D233D5-9F6D-436C-B6C7-E63F77503B30}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Inbox.WS.com IE Toolbar regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{CE057E0D-2D7E-4DFF-A890-07BA69B8C762}\ = "IInboxJS" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{CE057E0D-2D7E-4DFF-A890-07BA69B8C762}\TypeLib\ = "{CBEF8724-D080-4737-88DA-111EEC6651AA}" regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 756 wrote to memory of 1340 756 regsvr32.exe 31 PID 756 wrote to memory of 1340 756 regsvr32.exe 31 PID 756 wrote to memory of 1340 756 regsvr32.exe 31 PID 756 wrote to memory of 1340 756 regsvr32.exe 31 PID 756 wrote to memory of 1340 756 regsvr32.exe 31 PID 756 wrote to memory of 1340 756 regsvr32.exe 31 PID 756 wrote to memory of 1340 756 regsvr32.exe 31
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\3bafdc36630a981a428005fc61616446_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:756 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\3bafdc36630a981a428005fc61616446_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies Internet Explorer settings
- Modifies registry class
PID:1340
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