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Analysis
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max time kernel
51s -
max time network
52s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
25/06/2024, 18:24
Behavioral task
behavioral1
Sample
0f14ce87481fed608542773200ed1873_JaffaCakes118.dll
Resource
win7-20240221-en
4 signatures
150 seconds
General
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Target
0f14ce87481fed608542773200ed1873_JaffaCakes118.dll
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Size
70KB
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MD5
0f14ce87481fed608542773200ed1873
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SHA1
8bd4b26a29966dbdc3f6d77a3677866899559d2c
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SHA256
1d0def3f66660bd14611bce47aebe37371e766045e19f07b186800e3a58f254e
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SHA512
5714bba64e9a0f7ad37de107d0516c8cd18fa2b51cd154b6d0439746cc3ab47c2df935af73181136b42d8a2433242d686bea0d237ff08f476def96f84c2b59ff
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SSDEEP
1536:ChtPJ3RnQBCOKKiOs/T0uu9aQTmULihRgwM9meiKCrdRX/:O15QBXKKin1uD9CrdRX/
Malware Config
Signatures
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resource yara_rule behavioral2/memory/4700-0-0x0000000010000000-0x0000000010031000-memory.dmp upx -
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\{89AD4D75-2429-462e-BD4E-443F233F6033} rundll32.exe -
Modifies registry class 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{89AD4D75-2429-462e-BD4E-443F233F6033}\InprocServer32 rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{89AD4D75-2429-462e-BD4E-443F233F6033}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0f14ce87481fed608542773200ed1873_JaffaCakes118.dll" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{89AD4D75-2429-462e-BD4E-443F233F6033}\InprocServer32\ThreadingModel = "Both" rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{89AD4D75-2429-462e-BD4E-443F233F6033} rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3624 wrote to memory of 4700 3624 rundll32.exe 81 PID 3624 wrote to memory of 4700 3624 rundll32.exe 81 PID 3624 wrote to memory of 4700 3624 rundll32.exe 81
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\0f14ce87481fed608542773200ed1873_JaffaCakes118.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3624 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\0f14ce87481fed608542773200ed1873_JaffaCakes118.dll,#12⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:4700
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