Analysis
- max time kernel
139s - max time network
135s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system - submitted
19/10/2024, 14:36
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
5d1c18363a4ff3749516d141c2186160_JaffaCakes118.dll
Resource
win7-20240708-en
windows7-x64
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
5d1c18363a4ff3749516d141c2186160_JaffaCakes118.dll
Resource
win10v2004-20241007-en
windows10-2004-x64
6 signatures
150 seconds
General
- Target 5d1c18363a4ff3749516d141c2186160_JaffaCakes118.dll
- Size 88KB
- Sample241019-ryw8dsshrr
- SHA256 a8e97eef56e80bfc4e4fea79084fc058ef5a631873ab388169da67858e628207
- MD5 5d1c18363a4ff3749516d141c2186160
- SHA1 7d15be2930781b5cec168e2ab00ed5da283c0920
- SHA512 fd4119339a26f50d05aa550b5740c5e97f472ca2909902246dc6b4569923d9549f4491ed4741c506b29b799369e2b7e177e54bb6c9bfa84b4a27efa9fb5cc44e
- SSDEEP 1536:zKaVdxFtpwEJASMSbrmLq4vzcVyXedJiU/SeTNE3qU191pTn+dXNokYjV:1d9p14zvzqXiU/SW61pWXNozp
- MD5 SHA1 SHA512 SSDEEP
Score
6/10
Malware Config
Signatures
- 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 - Program crash 1 IoCs
pid pid_target Process procid_target 4968 824 WerFault.exe 84 - 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\Autodesk\AutoCAD\R18.0 rundll32.exe Key created \REGISTRY\USER\.DEFAULT\Software rundll32.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows 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 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\Autodesk\AutoCAD\R16.0 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\Microsoft\Windows\CurrentVersion\Ext\Settings\{BF50AC63-19DA-487E-AD4A-0B452D823B59} rundll32.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft rundll32.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Ext\Settings 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\AutoCAD\R16.1 rundll32.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Autodesk\AutoCAD\R17.1 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 Key created \REGISTRY\USER\.DEFAULT\Software\Autodesk rundll32.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Autodesk\AutoCAD\R17.2 rundll32.exe Key created \REGISTRY\USER\.DEFAULT rundll32.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion rundll32.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Ext rundll32.exe - Modifies registry class 20 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AF604EFE-8897-11D1-B944-00A0C90312E1}\InProcServer32\ rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\ProgID\ rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\ProgID\ = "IEHlprObj.IEHlprObj.1" 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\WOW6432Node\CLSID\{0E5CBF21-D15F-11d0-8301-00AA005B4383}\InProcServer32\ rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\ rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\ = "QuickFlash" rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\InprocServer32\ 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\IEHlprObj.IEHlprObj\ = "QuickFlash" rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer\ rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\ rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\VersionIndependentProgID\ rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID\ 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\ rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer\ = "IEHlprObj.IEHlprObj.1" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\ = "QuickFlash" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID\ = "{BF50AC63-19DA-487E-AD4A-0B452D823B59}" rundll32.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 620 wrote to memory of 824 620 rundll32.exe 84 PID 620 wrote to memory of 824 620 rundll32.exe 84 PID 620 wrote to memory of 824 620 rundll32.exe 84
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\5d1c18363a4ff3749516d141c2186160_JaffaCakes118.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:620 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\5d1c18363a4ff3749516d141c2186160_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:824 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 824 -s 6163⤵
- Program crash
PID:4968
-
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 824 -ip 8241⤵PID:3688