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Analysis
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max time kernel
121s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
17/10/2024, 17:05
Static task
static1
Behavioral task
behavioral1
Sample
52c27f5890b87596311fbe2fddc72633_JaffaCakes118.dll
Resource
win7-20240903-en
General
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Target
52c27f5890b87596311fbe2fddc72633_JaffaCakes118.dll
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Size
606KB
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MD5
52c27f5890b87596311fbe2fddc72633
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SHA1
9dc15e858410f954bc8cdd1e74d3c496877f5c13
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SHA256
0645602bc91a80121cc47370cb29d46839ba039dbdce8fd01395670e73406adc
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SHA512
1e0d11670137f3dbf74623bf2dcb0a0b1f899953437aff6b14712f2d6bfed7b4c1251215ddb9e8aec44c1e22614941264222714a430b6eff9f40fa6457127886
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SSDEEP
12288:pHunA3tW4LnCRy3eD8MtEl0jfTISWRV48C2rtES3Kvzdp:pOOB3g8HGIR2P2JES3Kbd
Malware Config
Signatures
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Installs/modifies Browser Helper Object 2 TTPs 2 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{00000000-0000-0000-0000-000000000000}\NoExplorer = "1" regsvr32.exe Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{00000000-0000-0000-0000-000000000000} 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\{00000000-0000-0000-0000-000000000000} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{00000000-0000-0000-0000-000000000000}\ regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{00000000-0000-0000-0000-000000000000}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{00000000-0000-0000-0000-000000000000}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\52c27f5890b87596311fbe2fddc72633_JaffaCakes118.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{00000000-0000-0000-0000-000000000000}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2232 wrote to memory of 2448 2232 regsvr32.exe 30 PID 2232 wrote to memory of 2448 2232 regsvr32.exe 30 PID 2232 wrote to memory of 2448 2232 regsvr32.exe 30 PID 2232 wrote to memory of 2448 2232 regsvr32.exe 30 PID 2232 wrote to memory of 2448 2232 regsvr32.exe 30 PID 2232 wrote to memory of 2448 2232 regsvr32.exe 30 PID 2232 wrote to memory of 2448 2232 regsvr32.exe 30
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\52c27f5890b87596311fbe2fddc72633_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2232 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\52c27f5890b87596311fbe2fddc72633_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:2448
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