Analysis
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max time kernel
118s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
28/03/2025, 18:42
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_8aeb8d2057a1a9a28a27ffa1ce973435.dll
Resource
win7-20241010-en
General
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Target
JaffaCakes118_8aeb8d2057a1a9a28a27ffa1ce973435.dll
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Size
120KB
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MD5
8aeb8d2057a1a9a28a27ffa1ce973435
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SHA1
312b36530f5e9adce75ba6d83471060629ca31a6
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SHA256
e6fa400ef5ac3f28c55b88da3f0d6152cd12e6a85c5f01d3c3d9e10abccd8b30
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SHA512
21131559a1e3a6421d28aebbfb465341c89660f10009beb36fd62717e0639ef6a6fa89fbc96055ec28031136ed77080497f3458b706d1084b14b8eddf4532403
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SSDEEP
1536:8iGJVY0NSk4lTy9ibUhl3kvNCGh0xJUlqzym+4S9RrO7RE0Bs62:MVY0Nz4lTy7lsNh0JUlqzyWw0RE0d2
Malware Config
Signatures
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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\{3208E572-475B-4E70-9319-41286CE3A06C} 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 42 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3208E572-475B-4E70-9319-41286CE3A06C}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3208E578-475B-4E70-9319-41286CE3A06C}\1.0\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3208E578-475B-4E70-9319-41286CE3A06C}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\JaffaCakes118_8aeb8d2057a1a9a28a27ffa1ce973435.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3208E571-475B-4E70-9319-41286CE3A06C}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3208E578-475B-4E70-9319-41286CE3A06C}\1.0\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3208E571-475B-4E70-9319-41286CE3A06C}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID\ = "{3208E572-475B-4E70-9319-41286CE3A06C}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3208E578-475B-4E70-9319-41286CE3A06C}\1.0\ = "IEHelper 1.0 Type Library" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3208E571-475B-4E70-9319-41286CE3A06C}\ = "IIEHlprObj" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3208E571-475B-4E70-9319-41286CE3A06C}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3208E572-475B-4E70-9319-41286CE3A06C} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3208E578-475B-4E70-9319-41286CE3A06C}\1.0\FLAGS\ = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3208E571-475B-4E70-9319-41286CE3A06C} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3208E578-475B-4E70-9319-41286CE3A06C}\1.0\FLAGS regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3208E571-475B-4E70-9319-41286CE3A06C} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3208E571-475B-4E70-9319-41286CE3A06C}\ = "IIEHlprObj" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3208E571-475B-4E70-9319-41286CE3A06C}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\ = "IEHlprObj Class" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3208E572-475B-4E70-9319-41286CE3A06C}\ProgID\ = "IEHlprObj.IEHlprObj.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3208E572-475B-4E70-9319-41286CE3A06C}\VersionIndependentProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3208E578-475B-4E70-9319-41286CE3A06C}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3208E571-475B-4E70-9319-41286CE3A06C}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3208E572-475B-4E70-9319-41286CE3A06C}\ = "IEHlprObj Class" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3208E572-475B-4E70-9319-41286CE3A06C}\VersionIndependentProgID\ = "IEHlprObj.IEHlprObj" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3208E572-475B-4E70-9319-41286CE3A06C}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\JaffaCakes118_8aeb8d2057a1a9a28a27ffa1ce973435.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3208E578-475B-4E70-9319-41286CE3A06C}\1.0\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3208E571-475B-4E70-9319-41286CE3A06C}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3208E571-475B-4E70-9319-41286CE3A06C}\TypeLib\ = "{3208E578-475B-4E70-9319-41286CE3A06C}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3208E571-475B-4E70-9319-41286CE3A06C}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\ = "IEHlprObj Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3208E578-475B-4E70-9319-41286CE3A06C} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3208E578-475B-4E70-9319-41286CE3A06C}\1.0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3208E571-475B-4E70-9319-41286CE3A06C}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3208E571-475B-4E70-9319-41286CE3A06C}\TypeLib\ = "{3208E578-475B-4E70-9319-41286CE3A06C}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer\ = "IEHlprObj.IEHlprObj.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3208E572-475B-4E70-9319-41286CE3A06C}\ProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3208E572-475B-4E70-9319-41286CE3A06C}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3208E572-475B-4E70-9319-41286CE3A06C}\InprocServer32 regsvr32.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2868 regsvr32.exe 2868 regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2856 wrote to memory of 2868 2856 regsvr32.exe 30 PID 2856 wrote to memory of 2868 2856 regsvr32.exe 30 PID 2856 wrote to memory of 2868 2856 regsvr32.exe 30 PID 2856 wrote to memory of 2868 2856 regsvr32.exe 30 PID 2856 wrote to memory of 2868 2856 regsvr32.exe 30 PID 2856 wrote to memory of 2868 2856 regsvr32.exe 30 PID 2856 wrote to memory of 2868 2856 regsvr32.exe 30
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8aeb8d2057a1a9a28a27ffa1ce973435.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2856 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8aeb8d2057a1a9a28a27ffa1ce973435.dll2⤵
- Installs/modifies Browser Helper Object
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
PID:2868
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