Analysis
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max time kernel
92s -
max time network
93s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
22-06-2024 13:04
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
02435db34a379161d61476d386c19068_JaffaCakes118.dll
Resource
win7-20240508-en
4 signatures
150 seconds
General
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Target
02435db34a379161d61476d386c19068_JaffaCakes118.dll
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Size
118KB
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MD5
02435db34a379161d61476d386c19068
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SHA1
d32dd9201b9ecf673a3ddf2bcfbfb1847d54bafc
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SHA256
53e8e812ccd312f44e12528725d7e937c52d12060b53dc0e3367e8d7f02c34bc
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SHA512
1e55ad835c4ca0c2798bb1c074cd3d0a84e06f0c6308bfe81ebed3ca0c0452519e5c42918033ed0749b1f78b8bbdb153929bdcdd0897a7913aebca8fb3ad5fbf
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SSDEEP
3072:IVRaNBTlghjl+1aQCJn4uaq63ExLJWo6Qzdn10c3r6cyWTV:WRaNLg+klJn4rOSo6Qzdn1xucFV
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\{F7B62F04-1E42-41D3-8617-AE91753CA0Ff} regsvr32.exe -
description ioc Process Set value (data) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Default = 042fb6f7421ed3418617ae91753ca0ff regsvr32.exe -
Modifies registry class 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F7B62F04-1E42-41D3-8617-AE91753CA0Ff} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F7B62F04-1E42-41D3-8617-AE91753CA0Ff}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F7B62F04-1E42-41D3-8617-AE91753CA0Ff}\InprocServer32\ regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F7B62F04-1E42-41D3-8617-AE91753CA0Ff}\InprocServer32\ThreadingModel = "Both" regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1844 wrote to memory of 2728 1844 regsvr32.exe 81 PID 1844 wrote to memory of 2728 1844 regsvr32.exe 81 PID 1844 wrote to memory of 2728 1844 regsvr32.exe 81
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\02435db34a379161d61476d386c19068_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:1844 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\02435db34a379161d61476d386c19068_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies Internet Explorer settings
- Modifies registry class
PID:2728
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