Analysis
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max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
17/08/2024, 13:21
Static task
static1
Behavioral task
behavioral1
Sample
a2b0912d66ea56f5bb6e69669298bb5d_JaffaCakes118.dll
Resource
win7-20240708-en
General
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Target
a2b0912d66ea56f5bb6e69669298bb5d_JaffaCakes118.dll
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Size
563KB
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MD5
a2b0912d66ea56f5bb6e69669298bb5d
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SHA1
4738c96d0328584f118f61cf8450783fb1784a1c
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SHA256
4247c721bd71c05ae128f81f1f5ef419db207153541d56c5ba6a25ea0f24289d
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SHA512
5eaac115acaad7c3b008ca4cb983f4282ebdda914a0cd293fbfb04c79daeb924a4157981c8b395ca8e59448f6903e2db55d5a0cbfbd19e591be4442d392f5a0b
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SSDEEP
12288:3Q+mcjfe8PE5L28A0B7QClUUClpnjzpgm9/4OOo3rdPiG:g+djfL62k24UdpvDxzOWr0
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-96D1-8733-B271-9F86693F93CE} 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\{CC01FC6C-96D1-8733-B271-9F86693F93CE}\ProgID\ = "a2b0912d66ea56f5bb6e69669298bb5d_JaffaCakes118.sb" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-96D1-8733-B271-9F86693F93CE} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-96D1-8733-B271-9F86693F93CE}\ = "sb" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-96D1-8733-B271-9F86693F93CE}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\a2b0912d66ea56f5bb6e69669298bb5d_JaffaCakes118.sb regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\a2b0912d66ea56f5bb6e69669298bb5d_JaffaCakes118.sb\ = "sb" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\a2b0912d66ea56f5bb6e69669298bb5d_JaffaCakes118.sb\Clsid regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-96D1-8733-B271-9F86693F93CE}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-96D1-8733-B271-9F86693F93CE}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a2b0912d66ea56f5bb6e69669298bb5d_JaffaCakes118.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\a2b0912d66ea56f5bb6e69669298bb5d_JaffaCakes118.sb\Clsid\ = "{CC01FC6C-96D1-8733-B271-9F86693F93CE}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-96D1-8733-B271-9F86693F93CE}\ProgID regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2640 wrote to memory of 2380 2640 regsvr32.exe 30 PID 2640 wrote to memory of 2380 2640 regsvr32.exe 30 PID 2640 wrote to memory of 2380 2640 regsvr32.exe 30 PID 2640 wrote to memory of 2380 2640 regsvr32.exe 30 PID 2640 wrote to memory of 2380 2640 regsvr32.exe 30 PID 2640 wrote to memory of 2380 2640 regsvr32.exe 30 PID 2640 wrote to memory of 2380 2640 regsvr32.exe 30
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\a2b0912d66ea56f5bb6e69669298bb5d_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2640 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\a2b0912d66ea56f5bb6e69669298bb5d_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:2380
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