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Analysis
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max time kernel
95s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
06/09/2024, 12:14
Static task
static1
Behavioral task
behavioral1
Sample
cf81bda6f5da7ad2f581fa31e365751f_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
cf81bda6f5da7ad2f581fa31e365751f_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
cf81bda6f5da7ad2f581fa31e365751f_JaffaCakes118.exe
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Size
116KB
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MD5
cf81bda6f5da7ad2f581fa31e365751f
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SHA1
a0a5069e4f0fab288de77b73622b06a25db0771a
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SHA256
35c5e81261d16b9b2f84f62ab50cd31200761f788b4e4dbba56ea21eb181d804
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SHA512
49743c537047ce614d995c5ce8b891aef6b50717f8cff74150bc39bef6ce755601796ffe231420a3c153a601abc3164ac2389e1ce5db0e28c59082b98e39f270
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SSDEEP
1536:EFY2ZDEmjhNi+ormQp7yO7MHAwOTyuqyAz/uIo0X0J6d:g9Em1N6rmQIvROTyN/uaE
Malware Config
Signatures
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Drops file in System32 directory 3 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\skbskg.dll cf81bda6f5da7ad2f581fa31e365751f_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\userinit.exe cf81bda6f5da7ad2f581fa31e365751f_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\mjenpp.dll cf81bda6f5da7ad2f581fa31e365751f_JaffaCakes118.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3800 set thread context of 4808 3800 cf81bda6f5da7ad2f581fa31e365751f_JaffaCakes118.exe 85 -
Program crash 1 IoCs
pid pid_target Process procid_target 3116 4808 WerFault.exe 85 -
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 cf81bda6f5da7ad2f581fa31e365751f_JaffaCakes118.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3800 cf81bda6f5da7ad2f581fa31e365751f_JaffaCakes118.exe 3800 cf81bda6f5da7ad2f581fa31e365751f_JaffaCakes118.exe 3800 cf81bda6f5da7ad2f581fa31e365751f_JaffaCakes118.exe 3800 cf81bda6f5da7ad2f581fa31e365751f_JaffaCakes118.exe 3800 cf81bda6f5da7ad2f581fa31e365751f_JaffaCakes118.exe 3800 cf81bda6f5da7ad2f581fa31e365751f_JaffaCakes118.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3800 cf81bda6f5da7ad2f581fa31e365751f_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 3800 wrote to memory of 4808 3800 cf81bda6f5da7ad2f581fa31e365751f_JaffaCakes118.exe 85 PID 3800 wrote to memory of 4808 3800 cf81bda6f5da7ad2f581fa31e365751f_JaffaCakes118.exe 85 PID 3800 wrote to memory of 4808 3800 cf81bda6f5da7ad2f581fa31e365751f_JaffaCakes118.exe 85 PID 3800 wrote to memory of 4808 3800 cf81bda6f5da7ad2f581fa31e365751f_JaffaCakes118.exe 85 PID 3800 wrote to memory of 4808 3800 cf81bda6f5da7ad2f581fa31e365751f_JaffaCakes118.exe 85 PID 3800 wrote to memory of 4808 3800 cf81bda6f5da7ad2f581fa31e365751f_JaffaCakes118.exe 85 PID 3800 wrote to memory of 4808 3800 cf81bda6f5da7ad2f581fa31e365751f_JaffaCakes118.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\cf81bda6f5da7ad2f581fa31e365751f_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\cf81bda6f5da7ad2f581fa31e365751f_JaffaCakes118.exe"1⤵
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3800 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\system32\rundll32.exe2⤵PID:4808
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4808 -s 123⤵
- Program crash
PID:3116
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4808 -ip 48081⤵PID:2488