Analysis
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max time kernel
139s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
17/10/2024, 01:33
Static task
static1
Behavioral task
behavioral1
Sample
5024029acdcec86f2a690dec59e07052_JaffaCakes118.dll
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
5024029acdcec86f2a690dec59e07052_JaffaCakes118.dll
Resource
win10v2004-20241007-en
General
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Target
5024029acdcec86f2a690dec59e07052_JaffaCakes118.dll
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Size
88KB
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MD5
5024029acdcec86f2a690dec59e07052
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SHA1
36cfbd949ad6bea4bb8de4a6a5fdfc22346ca193
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SHA256
ff59c2bdd2a17d1e02517a75fb97f35e253434248017282af4dbacbc3b474b4d
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SHA512
a725b3f4c4776be1a6d8c9eb13dae77934d193b5d512d64e9eae9faf106a61125f434b9df0a19bf17c6debec134cd18fd2647de14ec469af9dfdf44b84b63585
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SSDEEP
1536:EUXDWAe2JVASMybdm/TLokFs5vBmxP/IeTNU3qUXoRqwXuEXNoIGs:EAWOCvw5kP/ImxRqeXNoI
Malware Config
Signatures
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Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PhysicalDrive0 rundll32.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 rundll32.exe -
Modifies data under HKEY_USERS 22 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft rundll32.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Ext\Settings\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\Version = "*" rundll32.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE rundll32.exe Key created \REGISTRY\USER\.DEFAULT\Software\Autodesk\AutoCAD rundll32.exe Key created \REGISTRY\USER\.DEFAULT\Software\Autodesk\AutoCAD\R16.0 rundll32.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Autodesk\AutoCAD\R17.1 rundll32.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Autodesk\AutoCAD\R17.2 rundll32.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Ext\Settings\{BF50AC63-19DA-487E-AD4A-0B452D823B59} rundll32.exe Key created \REGISTRY\USER\.DEFAULT\Software rundll32.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Ext\Settings\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\ rundll32.exe Key created \REGISTRY\USER\.DEFAULT\Software\Autodesk rundll32.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Autodesk\AutoCAD\R16.2 rundll32.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Autodesk\AutoCAD\R17.0 rundll32.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Autodesk\AutoCAD\R18.0 rundll32.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Ext rundll32.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Ext\Settings rundll32.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Ext\Settings\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\ rundll32.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Autodesk\AutoCAD\R16.0 rundll32.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Autodesk\AutoCAD\R16.1 rundll32.exe Key created \REGISTRY\USER\.DEFAULT rundll32.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows rundll32.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion rundll32.exe -
Modifies registry class 20 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\ProgID\ = "IEHlprObj.IEHlprObj.1" rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\Programmable\ rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\Programmable\ rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\VersionIndependentProgID\ = "IEHlprObj.IEHlprObj" rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\ rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\ = "QuickFlash" rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\ rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\ = "QuickFlash" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\ = "QuickFlash" rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\InprocServer32\ rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\InprocServer32\ThreadingModel = "Apartment" rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer\ rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer\ = "IEHlprObj.IEHlprObj.1" rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\ rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\ProgID\ rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\VersionIndependentProgID\ rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AF604EFE-8897-11D1-B944-00A0C90312E1}\InProcServer32\ rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID\ = "{BF50AC63-19DA-487E-AD4A-0B452D823B59}" rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0E5CBF21-D15F-11d0-8301-00AA005B4383}\InProcServer32\ rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID\ rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2708 wrote to memory of 2384 2708 rundll32.exe 84 PID 2708 wrote to memory of 2384 2708 rundll32.exe 84 PID 2708 wrote to memory of 2384 2708 rundll32.exe 84
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\5024029acdcec86f2a690dec59e07052_JaffaCakes118.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2708 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\5024029acdcec86f2a690dec59e07052_JaffaCakes118.dll,#12⤵
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Modifies registry class
PID:2384
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