Analysis
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max time kernel
121s -
max time network
126s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
22-08-2024 02:17
Static task
static1
Behavioral task
behavioral1
Sample
b5f95891e9e4c33f42f5c15b354d1ee3_JaffaCakes118.dll
Resource
win7-20240708-en
General
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Target
b5f95891e9e4c33f42f5c15b354d1ee3_JaffaCakes118.dll
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Size
563KB
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MD5
b5f95891e9e4c33f42f5c15b354d1ee3
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SHA1
2979e930b990f5f0422cfe4e4915521d718db086
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SHA256
c8f0880367a96d5cb3fa546154df0e031f38c0096c02b60810ed73d78c90d981
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SHA512
4cd86dd624cb700e958ff98b472e6d648e31abb40fe230b34baae07db7e88cb6f4f9e6433653c8ec535ca0cb53bfcb69ee08976611506df71eb47b2326276e2c
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SSDEEP
12288:E0Et9YDc/Tk4Po4wSSqodPF9C2vTgYn7zuQRO:MtWDcw4o4Ts/9Ckn//R
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-5E9D-2369-182D-463827537A58} 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 11 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-5E9D-2369-182D-463827537A58}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-5E9D-2369-182D-463827537A58}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b5f95891e9e4c33f42f5c15b354d1ee3_JaffaCakes118.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-5E9D-2369-182D-463827537A58}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\b5f95891e9e4c33f42f5c15b354d1ee3_JaffaCakes118.sh regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\b5f95891e9e4c33f42f5c15b354d1ee3_JaffaCakes118.sh\Clsid regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\b5f95891e9e4c33f42f5c15b354d1ee3_JaffaCakes118.sh\Clsid\ = "{CC01FC6C-5E9D-2369-182D-463827537A58}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-5E9D-2369-182D-463827537A58}\ProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-5E9D-2369-182D-463827537A58} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\b5f95891e9e4c33f42f5c15b354d1ee3_JaffaCakes118.sh\ = "sh" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-5E9D-2369-182D-463827537A58}\ProgID\ = "b5f95891e9e4c33f42f5c15b354d1ee3_JaffaCakes118.sh" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-5E9D-2369-182D-463827537A58}\ = "sh" regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1956 wrote to memory of 2132 1956 regsvr32.exe 30 PID 1956 wrote to memory of 2132 1956 regsvr32.exe 30 PID 1956 wrote to memory of 2132 1956 regsvr32.exe 30 PID 1956 wrote to memory of 2132 1956 regsvr32.exe 30 PID 1956 wrote to memory of 2132 1956 regsvr32.exe 30 PID 1956 wrote to memory of 2132 1956 regsvr32.exe 30 PID 1956 wrote to memory of 2132 1956 regsvr32.exe 30
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\b5f95891e9e4c33f42f5c15b354d1ee3_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:1956 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\b5f95891e9e4c33f42f5c15b354d1ee3_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:2132
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