Analysis
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max time kernel
120s -
max time network
127s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
11-04-2024 01:03
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
ec5d17993e72d13730a92cb269030448_JaffaCakes118.dll
Resource
win7-20240221-en
windows7-x64
3 signatures
150 seconds
General
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Target
ec5d17993e72d13730a92cb269030448_JaffaCakes118.dll
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Size
562KB
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MD5
ec5d17993e72d13730a92cb269030448
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SHA1
74e7a971070467ab1bcba4382c9ea542f9e941bc
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SHA256
9929517ba74866c9d04a12e51444099b87da0019f9075bcd43ae2c5551097e7c
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SHA512
71d798f43fd375a6e9adc31a94bdf15968c8f2cb29cc502bf7f1d1d57d9f7b3ab3bbe4e32f59f2b396e435741b8796910a4cf83aba93944823bff58049419d90
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SSDEEP
12288:EgUV94y09yxH1az44i2JiU5VVNIUOZH5bM6QzqQCVbjR:YVGy0E04wskIZHG7zqxVbj
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-335D-688A-8F35-8547D6A348EB} regsvr32.exe -
Modifies registry class 11 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-335D-688A-8F35-8547D6A348EB} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-335D-688A-8F35-8547D6A348EB}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ec5d17993e72d13730a92cb269030448_JaffaCakes118.ic\Clsid regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ec5d17993e72d13730a92cb269030448_JaffaCakes118.ic\Clsid\ = "{CC01FC6C-335D-688A-8F35-8547D6A348EB}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-335D-688A-8F35-8547D6A348EB}\ProgID\ = "ec5d17993e72d13730a92cb269030448_JaffaCakes118.ic" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-335D-688A-8F35-8547D6A348EB}\ = "ic" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-335D-688A-8F35-8547D6A348EB}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ec5d17993e72d13730a92cb269030448_JaffaCakes118.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-335D-688A-8F35-8547D6A348EB}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ec5d17993e72d13730a92cb269030448_JaffaCakes118.ic regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ec5d17993e72d13730a92cb269030448_JaffaCakes118.ic\ = "ic" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-335D-688A-8F35-8547D6A348EB}\ProgID regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2528 wrote to memory of 3052 2528 regsvr32.exe 27 PID 2528 wrote to memory of 3052 2528 regsvr32.exe 27 PID 2528 wrote to memory of 3052 2528 regsvr32.exe 27 PID 2528 wrote to memory of 3052 2528 regsvr32.exe 27 PID 2528 wrote to memory of 3052 2528 regsvr32.exe 27 PID 2528 wrote to memory of 3052 2528 regsvr32.exe 27 PID 2528 wrote to memory of 3052 2528 regsvr32.exe 27
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\ec5d17993e72d13730a92cb269030448_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2528 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\ec5d17993e72d13730a92cb269030448_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:3052
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