Analysis
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max time kernel
140s -
max time network
118s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
14/10/2024, 12:56
Static task
static1
Behavioral task
behavioral1
Sample
4273676e9559ea1a54d2fcb661984a76_JaffaCakes118.dll
Resource
win7-20240708-en
General
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Target
4273676e9559ea1a54d2fcb661984a76_JaffaCakes118.dll
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Size
569KB
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MD5
4273676e9559ea1a54d2fcb661984a76
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SHA1
4a45a763cc394d842f9437ad5165cdb13a051b48
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SHA256
770ecc78afd2590c9846b1a4102c9134e2f6e9194b1594dd5deff87e35bc93eb
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SHA512
6d113b553bbe67dc530556bc105aa9efe45652ee4d5450881c05654a5de055378ba5a818b41f3147c040df21ec23d0879d1376fc74758d2ced5a713a6fb91a1f
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SSDEEP
12288:zPfIdjsBCOASFWwPKrEWhK279nULxOSKyDIljo63n6ljqVJ/D:7IFmI6KrfKAZULxLKy363n6ljqVV
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-7E2D-C785-9A8B-7C539F185B27} 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-7E2D-C785-9A8B-7C539F185B27}\ = "sh" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-7E2D-C785-9A8B-7C539F185B27}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\4273676e9559ea1a54d2fcb661984a76_JaffaCakes118.sh regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\4273676e9559ea1a54d2fcb661984a76_JaffaCakes118.sh\ = "sh" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\4273676e9559ea1a54d2fcb661984a76_JaffaCakes118.sh\Clsid regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\4273676e9559ea1a54d2fcb661984a76_JaffaCakes118.sh\Clsid\ = "{CC01FC6C-7E2D-C785-9A8B-7C539F185B27}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-7E2D-C785-9A8B-7C539F185B27} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-7E2D-C785-9A8B-7C539F185B27}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-7E2D-C785-9A8B-7C539F185B27}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\4273676e9559ea1a54d2fcb661984a76_JaffaCakes118.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-7E2D-C785-9A8B-7C539F185B27}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-7E2D-C785-9A8B-7C539F185B27}\ProgID\ = "4273676e9559ea1a54d2fcb661984a76_JaffaCakes118.sh" regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3120 wrote to memory of 1080 3120 regsvr32.exe 83 PID 3120 wrote to memory of 1080 3120 regsvr32.exe 83 PID 3120 wrote to memory of 1080 3120 regsvr32.exe 83
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\4273676e9559ea1a54d2fcb661984a76_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:3120 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\4273676e9559ea1a54d2fcb661984a76_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:1080
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