Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
21-08-2024 14:11
Static task
static1
Behavioral task
behavioral1
Sample
b3c73207eba387ac9d0e4ab5d0cefba1_JaffaCakes118.dll
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
b3c73207eba387ac9d0e4ab5d0cefba1_JaffaCakes118.dll
Resource
win10v2004-20240802-en
General
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Target
b3c73207eba387ac9d0e4ab5d0cefba1_JaffaCakes118.dll
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Size
204KB
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MD5
b3c73207eba387ac9d0e4ab5d0cefba1
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SHA1
0d3a87c2fef30d37a6135f138ab3e122bc80914e
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SHA256
01fb935608421fa5091761785ea1628858e9d6cc82858284f06b101d7a4d4ee3
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SHA512
32174ba6fc93e6e5c12e0bed26ec1a9db15dec4fcce2d738b6dedbb1f5887a5592ded944c7ef0b1b530b2419d29b207cf3cb5ac669f618eaa77648c57348164e
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SSDEEP
3072:TVDRqD9feFYLp1MKHJrOtUMdqY9MtUG5lQ1:t0D5Lp1AUaxT
Malware Config
Signatures
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Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\kopmet = "{3DFD097F-DED0-4281-BEB0-B33D57F80D77}" rundll32.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 rundll32.exe -
Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3DFD097F-DED0-4281-BEB0-B33D57F80D77}\InProcServer32 rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3DFD097F-DED0-4281-BEB0-B33D57F80D77} rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3DFD097F-DED0-4281-BEB0-B33D57F80D77}\InProcServer32\ = "C:\\Windows\\kopmet.dll" rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4800 wrote to memory of 4820 4800 rundll32.exe 84 PID 4800 wrote to memory of 4820 4800 rundll32.exe 84 PID 4800 wrote to memory of 4820 4800 rundll32.exe 84
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b3c73207eba387ac9d0e4ab5d0cefba1_JaffaCakes118.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4800 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b3c73207eba387ac9d0e4ab5d0cefba1_JaffaCakes118.dll,#12⤵
- Adds autorun key to be loaded by Explorer.exe on startup
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:4820
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