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Analysis
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max time kernel
117s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
21/08/2024, 13:46
Static task
static1
Behavioral task
behavioral1
Sample
b3b277346ad2f4bb57d2507da5185a6c_JaffaCakes118.dll
Resource
win7-20240708-en
General
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Target
b3b277346ad2f4bb57d2507da5185a6c_JaffaCakes118.dll
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Size
199KB
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MD5
b3b277346ad2f4bb57d2507da5185a6c
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SHA1
304d3db5f5f43f265c393fb645b337ee91fecfdb
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SHA256
c95420abad9909e5d8f76324673129183c0a10bb9b4ad48bb812c4a3e0baa84a
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SHA512
ed81065c46e0caa16182ae3f3f3f7f9216de79327ea9e6d14fab11f65025e5a96361c432f6f79b8352745955a479be8f54cee90be33d7392435836d3def1e46d
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SSDEEP
3072:j+pn0RwIpgowEqVJkDg69PeMCO7kZtPi5JLa6ISC1K7fLQTRa5Kf1QEbX8:il0Rw4gLFHiXCVZel4R1EDQTRa5K9xb
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\{0C5E563F-3A60-4D95-A764-FA43108075E3} 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 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0C5E563F-3A60-4D95-A764-FA43108075E3} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0C5E563F-3A60-4D95-A764-FA43108075E3}\ regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0C5E563F-3A60-4D95-A764-FA43108075E3}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0C5E563F-3A60-4D95-A764-FA43108075E3}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b3b277346ad2f4bb57d2507da5185a6c_JaffaCakes118.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0C5E563F-3A60-4D95-A764-FA43108075E3}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1864 wrote to memory of 1976 1864 regsvr32.exe 30 PID 1864 wrote to memory of 1976 1864 regsvr32.exe 30 PID 1864 wrote to memory of 1976 1864 regsvr32.exe 30 PID 1864 wrote to memory of 1976 1864 regsvr32.exe 30 PID 1864 wrote to memory of 1976 1864 regsvr32.exe 30 PID 1864 wrote to memory of 1976 1864 regsvr32.exe 30 PID 1864 wrote to memory of 1976 1864 regsvr32.exe 30
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\b3b277346ad2f4bb57d2507da5185a6c_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:1864 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\b3b277346ad2f4bb57d2507da5185a6c_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:1976
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