Analysis
- max time kernel
94s - max time network
96s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
08/04/2024, 22:24
Static task
static1
Behavioral task
behavioral1
Sample
e88faa969496f5ae1f7c49cd85ee82f8_JaffaCakes118.dll
Resource
win7-20240215-en
windows7-x64
4 signatures
150 seconds
General
- Target e88faa969496f5ae1f7c49cd85ee82f8_JaffaCakes118.dll
- Size 173KB
- Sample240408-2blhgsgh8v
- SHA256 5be7e5e76a44652a138718ebbc0fc909be751902485c1c718869a6ee71799026
- MD5 e88faa969496f5ae1f7c49cd85ee82f8
- SHA1 c9a6c3713a1d5c53f507e5d60c6ce8f5f5ce7e27
- SHA512 2069e9c0e16da82cefd465b22c9fa3ca9ffec27ab40b2d809516e98c8cacf12b9c60fc4ecd17ccd3dd246973a5d8ce09515967f020431161fa3cc6fe7923bdfe
- SSDEEP 3072:rBEpwbYFUs+QJTEgQfDD0mDf5RL2ctvrUV98Xnu:uLF9IgQNDf5wArw8+
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Installs/modifies Browser Helper Object 2 TTPs 1 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\{EF0DA19E-5CCD-4B29-AFCE-3B37E91F8589} regsvr32.exe -
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{089F95DD-370D-43CD-B472-99DD3EB7EEC1}\Default Visible = "Yes" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{089F95DD-370D-43CD-B472-99DD3EB7EEC1}\Icon = "C:\\Users\\Admin\\AppData\\Local\\Temp\\e88faa969496f5ae1f7c49cd85ee82f8_JaffaCakes118.dll,203" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{089F95DD-370D-43CD-B472-99DD3EB7EEC1}\HotIcon = "C:\\Users\\Admin\\AppData\\Local\\Temp\\e88faa969496f5ae1f7c49cd85ee82f8_JaffaCakes118.dll,202" regsvr32.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Internet Explorer\Extensions\{089F95DD-370D-43CD-B472-99DD3EB7EEC1} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{089F95DD-370D-43CD-B472-99DD3EB7EEC1}\CLSID = "{E0DD6CAB-2D10-11D2-8F1A-0000F87ABD16}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{089F95DD-370D-43CD-B472-99DD3EB7EEC1}\BandCLSID = "{C3184C2D-3FFD-4E62-AA11-1E5123811752}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{089F95DD-370D-43CD-B472-99DD3EB7EEC1}\ButtonText = "????" regsvr32.exe - Modifies registry class 64 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{96E254F9-068A-48B4-B435-7A98A2A4C672}\TypeLib\ = "{E37B4DCE-843D-4AB2-AD88-E08A25D3F77C}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EDD6F100-87B7-42D0-BCB5-121D5028814E}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Infodonkey.ViewSource.1\ = "ViewSource Class" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Infodonkey.ViewSource\CLSID\ = "{EF0DA19E-5CCD-4B29-AFCE-3B37E91F8589}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Infodonkey.SideBar regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Infodonkey.SideBar\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EF0DA19E-5CCD-4B29-AFCE-3B37E91F8589}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C3184C2D-3FFD-4E62-AA11-1E5123811752}\ProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C3184C2D-3FFD-4E62-AA11-1E5123811752}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E37B4DCE-843D-4AB2-AD88-E08A25D3F77C}\1.0\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{96E254F9-068A-48B4-B435-7A98A2A4C672}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EDD6F100-87B7-42D0-BCB5-121D5028814E}\TypeLib\ = "{E37B4DCE-843D-4AB2-AD88-E08A25D3F77C}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{96E254F9-068A-48B4-B435-7A98A2A4C672}\TypeLib\ = "{E37B4DCE-843D-4AB2-AD88-E08A25D3F77C}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EDD6F100-87B7-42D0-BCB5-121D5028814E}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EDD6F100-87B7-42D0-BCB5-121D5028814E}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EF0DA19E-5CCD-4B29-AFCE-3B37E91F8589}\ = "ÀÎÆ÷´ç³ª±Í" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EF0DA19E-5CCD-4B29-AFCE-3B37E91F8589}\ProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C3184C2D-3FFD-4E62-AA11-1E5123811752}\VersionIndependentProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{96E254F9-068A-48B4-B435-7A98A2A4C672}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E37B4DCE-843D-4AB2-AD88-E08A25D3F77C}\1.0\0\win32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{96E254F9-068A-48B4-B435-7A98A2A4C672} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{96E254F9-068A-48B4-B435-7A98A2A4C672}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EDD6F100-87B7-42D0-BCB5-121D5028814E}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EDD6F100-87B7-42D0-BCB5-121D5028814E}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Infodonkey.ViewSource.1\CLSID\ = "{EF0DA19E-5CCD-4B29-AFCE-3B37E91F8589}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EF0DA19E-5CCD-4B29-AFCE-3B37E91F8589}\TypeLib\ = "{E37B4DCE-843D-4AB2-AD88-E08A25D3F77C}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Infodonkey.SideBar.1\ = "SideBar Class" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Infodonkey.SideBar\ = "SideBar Class" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E37B4DCE-843D-4AB2-AD88-E08A25D3F77C}\1.0\FLAGS\ = "0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E37B4DCE-843D-4AB2-AD88-E08A25D3F77C}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\e88faa969496f5ae1f7c49cd85ee82f8_JaffaCakes118.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Infodonkey.ViewSource\CurVer\ = "Infodonkey.ViewSource.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EF0DA19E-5CCD-4B29-AFCE-3B37E91F8589} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EF0DA19E-5CCD-4B29-AFCE-3B37E91F8589}\VersionIndependentProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C3184C2D-3FFD-4E62-AA11-1E5123811752}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Infodonkey.ViewSource\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Infodonkey.SideBar.1 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E37B4DCE-843D-4AB2-AD88-E08A25D3F77C}\1.0\FLAGS regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{96E254F9-068A-48B4-B435-7A98A2A4C672}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{96E254F9-068A-48B4-B435-7A98A2A4C672}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EF0DA19E-5CCD-4B29-AFCE-3B37E91F8589}\VersionIndependentProgID\ = "Infodonkey.ViewSource" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EF0DA19E-5CCD-4B29-AFCE-3B37E91F8589}\Programmable regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E37B4DCE-843D-4AB2-AD88-E08A25D3F77C}\1.0\ = "infodonkey 1.0 Type Library" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E37B4DCE-843D-4AB2-AD88-E08A25D3F77C}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C3184C2D-3FFD-4E62-AA11-1E5123811752}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\E88FAA~1.DLL" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{96E254F9-068A-48B4-B435-7A98A2A4C672}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EDD6F100-87B7-42D0-BCB5-121D5028814E} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EDD6F100-87B7-42D0-BCB5-121D5028814E}\ = "ISideBar" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EF0DA19E-5CCD-4B29-AFCE-3B37E91F8589}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Infodonkey.SideBar\CurVer\ = "Infodonkey.SideBar.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C3184C2D-3FFD-4E62-AA11-1E5123811752}\ = "ÀÎÆ÷´ç³ª±Í" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C3184C2D-3FFD-4E62-AA11-1E5123811752}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Infodonkey.ViewSource.1 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C3184C2D-3FFD-4E62-AA11-1E5123811752}\TypeLib\ = "{E37B4DCE-843D-4AB2-AD88-E08A25D3F77C}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{96E254F9-068A-48B4-B435-7A98A2A4C672}\ = "IViewSource" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EDD6F100-87B7-42D0-BCB5-121D5028814E}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Infodonkey.ViewSource.1\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Infodonkey.SideBar\CurVer regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E37B4DCE-843D-4AB2-AD88-E08A25D3F77C} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EDD6F100-87B7-42D0-BCB5-121D5028814E}\TypeLib\ = "{E37B4DCE-843D-4AB2-AD88-E08A25D3F77C}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E37B4DCE-843D-4AB2-AD88-E08A25D3F77C}\1.0\0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{96E254F9-068A-48B4-B435-7A98A2A4C672}\ = "IViewSource" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EDD6F100-87B7-42D0-BCB5-121D5028814E}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EF0DA19E-5CCD-4B29-AFCE-3B37E91F8589}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\E88FAA~1.DLL" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Infodonkey.SideBar.1\CLSID regsvr32.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 608 wrote to memory of 3240 608 regsvr32.exe 85 PID 608 wrote to memory of 3240 608 regsvr32.exe 85 PID 608 wrote to memory of 3240 608 regsvr32.exe 85
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\e88faa969496f5ae1f7c49cd85ee82f8_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:608 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\e88faa969496f5ae1f7c49cd85ee82f8_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies Internet Explorer settings
- Modifies registry class
PID:3240
-