Analysis
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max time kernel
149s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
20-06-2024 08:12
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
04443cd666a7697aa15731737cbae5f4_JaffaCakes118.dll
Resource
win7-20240508-en
3 signatures
150 seconds
General
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Target
04443cd666a7697aa15731737cbae5f4_JaffaCakes118.dll
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Size
563KB
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MD5
04443cd666a7697aa15731737cbae5f4
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SHA1
83e6b8d6a34f714a3be5117f77e4d2d1b3f23172
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SHA256
d5d97d34e7cc8cf4b45fe57fa6a643bac24cce7f1d5275e6d6db7d8369f640f4
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SHA512
2f8c2656854c53e7218650b5d2fe60d43349be9080254ad55e6aa619db786d7d81bc20ead91a5ebd1da7d169695a580ad2d8f4808617a4fe4036ca38378b846f
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SSDEEP
12288:E0Et9YDc/Tk4Po4wSSqodPF9C2vTgYnUqzRU:MtWDcw4o4Ts/9Ckn3R
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.
Processes:
regsvr32.exedescription ioc process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{CC01FC6C-7768-B6EB-C446-9F2D387E5E1C} regsvr32.exe -
Modifies registry class 11 IoCs
Processes:
regsvr32.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-7768-B6EB-C446-9F2D387E5E1C} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-7768-B6EB-C446-9F2D387E5E1C}\ = "sh" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-7768-B6EB-C446-9F2D387E5E1C}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\04443cd666a7697aa15731737cbae5f4_JaffaCakes118.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\04443cd666a7697aa15731737cbae5f4_JaffaCakes118.sh\Clsid regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\04443cd666a7697aa15731737cbae5f4_JaffaCakes118.sh\Clsid\ = "{CC01FC6C-7768-B6EB-C446-9F2D387E5E1C}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-7768-B6EB-C446-9F2D387E5E1C}\ProgID\ = "04443cd666a7697aa15731737cbae5f4_JaffaCakes118.sh" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-7768-B6EB-C446-9F2D387E5E1C}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-7768-B6EB-C446-9F2D387E5E1C}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\04443cd666a7697aa15731737cbae5f4_JaffaCakes118.sh regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\04443cd666a7697aa15731737cbae5f4_JaffaCakes118.sh\ = "sh" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-7768-B6EB-C446-9F2D387E5E1C}\ProgID regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
regsvr32.exedescription pid process target process PID 3124 wrote to memory of 2648 3124 regsvr32.exe regsvr32.exe PID 3124 wrote to memory of 2648 3124 regsvr32.exe regsvr32.exe PID 3124 wrote to memory of 2648 3124 regsvr32.exe regsvr32.exe
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\04443cd666a7697aa15731737cbae5f4_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:3124 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\04443cd666a7697aa15731737cbae5f4_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:2648