Analysis
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max time kernel
94s -
max time network
96s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
11/07/2024, 23:19
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
3b1d17ae1c7701ce278c1dd04b24bf9d_JaffaCakes118.dll
Resource
win7-20240705-en
3 signatures
150 seconds
General
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Target
3b1d17ae1c7701ce278c1dd04b24bf9d_JaffaCakes118.dll
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Size
568KB
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MD5
3b1d17ae1c7701ce278c1dd04b24bf9d
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SHA1
e2da7a529c8668556ee35f959e3717c3347d8f28
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SHA256
61d633317d389c3e82f639b4a826056bfc7bf256c372394fdb9e660019aa0706
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SHA512
0d239bb2203bae1b0b58e6561f5819d7329628cd78c4ecaf4787f879e2b68595b951a71d10eacc2994dc7ae3e4caa5f0293181f476f7e4b3ff02d6d07ea87230
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SSDEEP
12288:lHCqAM6vj9ASYe9dPSQBN9KtJ6IMLxaoSDVjEty7gRvjm:liqTyp3PSQNKP9MLxaoS2ty7gRr
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\{CC01FC6C-BBD8-16FF-B28C-AEB1785B4454} regsvr32.exe -
Modifies registry class 11 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-BBD8-16FF-B28C-AEB1785B4454} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-BBD8-16FF-B28C-AEB1785B4454}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\3b1d17ae1c7701ce278c1dd04b24bf9d_JaffaCakes118.sh\ = "sh" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\3b1d17ae1c7701ce278c1dd04b24bf9d_JaffaCakes118.sh\Clsid regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-BBD8-16FF-B28C-AEB1785B4454}\ProgID\ = "3b1d17ae1c7701ce278c1dd04b24bf9d_JaffaCakes118.sh" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-BBD8-16FF-B28C-AEB1785B4454}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-BBD8-16FF-B28C-AEB1785B4454}\ = "sh" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-BBD8-16FF-B28C-AEB1785B4454}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3b1d17ae1c7701ce278c1dd04b24bf9d_JaffaCakes118.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-BBD8-16FF-B28C-AEB1785B4454}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\3b1d17ae1c7701ce278c1dd04b24bf9d_JaffaCakes118.sh regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\3b1d17ae1c7701ce278c1dd04b24bf9d_JaffaCakes118.sh\Clsid\ = "{CC01FC6C-BBD8-16FF-B28C-AEB1785B4454}" regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 684 wrote to memory of 1748 684 regsvr32.exe 83 PID 684 wrote to memory of 1748 684 regsvr32.exe 83 PID 684 wrote to memory of 1748 684 regsvr32.exe 83
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\3b1d17ae1c7701ce278c1dd04b24bf9d_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:684 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\3b1d17ae1c7701ce278c1dd04b24bf9d_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:1748
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