Analysis
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max time kernel
133s -
max time network
123s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
23-08-2024 07:13
Static task
static1
Behavioral task
behavioral1
Sample
baca230394010a4e184dcc5d89cb4337_JaffaCakes118.dll
Resource
win7-20240708-en
General
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Target
baca230394010a4e184dcc5d89cb4337_JaffaCakes118.dll
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Size
119KB
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MD5
baca230394010a4e184dcc5d89cb4337
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SHA1
180f361ddc3b96c86ffaff04e61c1edb1bf75ca3
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SHA256
92b9c98e135414130e221bfc15c1f300c5c8bfe7c43ef163446a4433c7608213
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SHA512
de01fd99a6f6e1278b9ead8e365a6161451e9ff78d824561b49ded1d2e9040745a7904b5e5dcf919ccc323d1b659f6c02920cb9bde5daf26227f901e07bb5351
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SSDEEP
3072:aIoeLQGexZZUFwbpTvgBE9ISbOdgyRXjT:aoHanUOE6bOdgEXjT
Malware Config
Signatures
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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\{F7C9E237-D0B2-4265-B4EC-B93F739D5471} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{F7C9E237-D0B2-4265-B4EC-B93F739D5471}\ regsvr32.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32.exe -
Modifies registry class 47 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FffPlayer\ = "CFffPlayer Object" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F7C9E237-D0B2-4265-B4EC-B93F739D5471}\VersionIndependentProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C868EFBA-572E-4858-BE0C-9B1639D93F21}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EBFA4A89-7372-40E9-9A27-D9C680570477}\ = "IFffPlayer" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EBFA4A89-7372-40E9-9A27-D9C680570477} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EBFA4A89-7372-40E9-9A27-D9C680570477}\ = "IFffPlayer" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EBFA4A89-7372-40E9-9A27-D9C680570477}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FffPlayer.1\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C868EFBA-572E-4858-BE0C-9B1639D93F21}\1.0\ = "BHO 1.0 Type Library" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C868EFBA-572E-4858-BE0C-9B1639D93F21}\1.0\FLAGS regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C868EFBA-572E-4858-BE0C-9B1639D93F21}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\baca230394010a4e184dcc5d89cb4337_JaffaCakes118.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FffPlayer\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F7C9E237-D0B2-4265-B4EC-B93F739D5471}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F7C9E237-D0B2-4265-B4EC-B93F739D5471}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F7C9E237-D0B2-4265-B4EC-B93F739D5471}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F7C9E237-D0B2-4265-B4EC-B93F739D5471}\TypeLib\ = "{C868EFBA-572E-4858-BE0C-9B1639D93F21}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C868EFBA-572E-4858-BE0C-9B1639D93F21}\1.0\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EBFA4A89-7372-40E9-9A27-D9C680570477}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EBFA4A89-7372-40E9-9A27-D9C680570477}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F7C9E237-D0B2-4265-B4EC-B93F739D5471}\VersionIndependentProgID\ = "BHO.FffPlayer" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F7C9E237-D0B2-4265-B4EC-B93F739D5471}\ProgID\ = "BHO.FffPlayer.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F7C9E237-D0B2-4265-B4EC-B93F739D5471}\InprocServer32\ThreadingModel = "apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F7C9E237-D0B2-4265-B4EC-B93F739D5471}\AppID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C868EFBA-572E-4858-BE0C-9B1639D93F21}\1.0\FLAGS\ = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EBFA4A89-7372-40E9-9A27-D9C680570477}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EBFA4A89-7372-40E9-9A27-D9C680570477}\TypeLib\ = "{C868EFBA-572E-4858-BE0C-9B1639D93F21}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F7C9E237-D0B2-4265-B4EC-B93F739D5471} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C868EFBA-572E-4858-BE0C-9B1639D93F21} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C868EFBA-572E-4858-BE0C-9B1639D93F21}\1.0\HELPDIR regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FffPlayer.1 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EBFA4A89-7372-40E9-9A27-D9C680570477} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EBFA4A89-7372-40E9-9A27-D9C680570477}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EBFA4A89-7372-40E9-9A27-D9C680570477}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EBFA4A89-7372-40E9-9A27-D9C680570477}\TypeLib\ = "{C868EFBA-572E-4858-BE0C-9B1639D93F21}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EBFA4A89-7372-40E9-9A27-D9C680570477}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FffPlayer\CLSID\ = "{F7C9E237-D0B2-4265-B4EC-B93F739D5471}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FffPlayer.1\CLSID\ = "{F7C9E237-D0B2-4265-B4EC-B93F739D5471}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FffPlayer regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FffPlayer\CurVer regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FffPlayer\CurVer\ = "BHO.FffPlayer.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F7C9E237-D0B2-4265-B4EC-B93F739D5471}\ = "CFffPlayer Object" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F7C9E237-D0B2-4265-B4EC-B93F739D5471}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F7C9E237-D0B2-4265-B4EC-B93F739D5471}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\baca230394010a4e184dcc5d89cb4337_JaffaCakes118.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FffPlayer.1\ = "CFffPlayer Object" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C868EFBA-572E-4858-BE0C-9B1639D93F21}\1.0\0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EBFA4A89-7372-40E9-9A27-D9C680570477}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C868EFBA-572E-4858-BE0C-9B1639D93F21}\1.0 regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 912 wrote to memory of 632 912 regsvr32.exe 84 PID 912 wrote to memory of 632 912 regsvr32.exe 84 PID 912 wrote to memory of 632 912 regsvr32.exe 84
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\baca230394010a4e184dcc5d89cb4337_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:912 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\baca230394010a4e184dcc5d89cb4337_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:632
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