Analysis
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max time kernel
117s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
18/08/2024, 00:44
Behavioral task
behavioral1
Sample
a4be010a0d102fcc53f200799742d87e_JaffaCakes118.dll
Resource
win7-20240704-en
General
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Target
a4be010a0d102fcc53f200799742d87e_JaffaCakes118.dll
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Size
191KB
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MD5
a4be010a0d102fcc53f200799742d87e
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SHA1
3ec12d2ed8c6e29ac66d17a8f3dbd26f1bf88b52
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SHA256
1a6cb026b4baa7764941ee4dc4c9dbacf637242787c65abc871f8f8b13a47353
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SHA512
7e2bbeddb839f6e2980a2d651b2ded2661d258a8ba5896e8698e2330b8195fa0927bc7398d735af4b23ee9e90c737baf5293dd6fa2652017fcb7d921a930a2d7
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SSDEEP
3072:bik5GxsK1h3sseoEK0FoynFUdSuLisw16MsjRDoILg5GPdIgqtAsL3DYcZ6Qv:b95MsK1IKAoyFUdj2r16fjR3LgaDsTES
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 Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{47CFDDF9-6FBD-4C06-8752-24FEFBA10D52} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{47CFDDF9-6FBD-4C06-8752-24FEFBA10D52}\ 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 Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{47CFDDF9-6FBD-4C06-8752-24FEFBA10D52}\ regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{47CFDDF9-6FBD-4C06-8752-24FEFBA10D52}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{47CFDDF9-6FBD-4C06-8752-24FEFBA10D52}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a4be010a0d102fcc53f200799742d87e_JaffaCakes118.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\a4be010a0d102fcc53f200799742d87e_JaffaCakes118.IEMona\Clsid\ = "{47CFDDF9-6FBD-4C06-8752-24FEFBA10D52}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{47CFDDF9-6FBD-4C06-8752-24FEFBA10D52} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{47CFDDF9-6FBD-4C06-8752-24FEFBA10D52}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\a4be010a0d102fcc53f200799742d87e_JaffaCakes118.IEMona regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\a4be010a0d102fcc53f200799742d87e_JaffaCakes118.IEMona\ regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\a4be010a0d102fcc53f200799742d87e_JaffaCakes118.IEMona\Clsid regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{47CFDDF9-6FBD-4C06-8752-24FEFBA10D52}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{47CFDDF9-6FBD-4C06-8752-24FEFBA10D52}\ProgID\ = "a4be010a0d102fcc53f200799742d87e_JaffaCakes118.IEMona" regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2944 wrote to memory of 2632 2944 regsvr32.exe 30 PID 2944 wrote to memory of 2632 2944 regsvr32.exe 30 PID 2944 wrote to memory of 2632 2944 regsvr32.exe 30 PID 2944 wrote to memory of 2632 2944 regsvr32.exe 30 PID 2944 wrote to memory of 2632 2944 regsvr32.exe 30 PID 2944 wrote to memory of 2632 2944 regsvr32.exe 30 PID 2944 wrote to memory of 2632 2944 regsvr32.exe 30
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\a4be010a0d102fcc53f200799742d87e_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2944 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\a4be010a0d102fcc53f200799742d87e_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:2632
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