Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
12-07-2024 11:33
Behavioral task
behavioral1
Sample
3d34d2dd16988a941e28fea8e6324504_JaffaCakes118.dll
Resource
win7-20240705-en
windows7-x64
4 signatures
150 seconds
General
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Target
3d34d2dd16988a941e28fea8e6324504_JaffaCakes118.dll
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Size
86KB
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MD5
3d34d2dd16988a941e28fea8e6324504
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SHA1
0670abef90f8ce37b85868533ba7beb79a930b04
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SHA256
7542ec91c18bda3ce6aee8644e60bdc59e79c7828a58c0a51213f34757630e77
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SHA512
1f251dccc14821b071fcd27d7e41a185bab2967c627ab5adcb658c146140d441a4561e44ded39f04211a4ac181577f41d1634dd12732cd16fed3c6dcf9b2d9b6
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SSDEEP
1536:tYvynn+A2V7uC5Z7wIe/82FgYvIgDvmawOFq+pQPpQWeoB9C56LY260mvRidPN:Wv4+AyB1e/RvIEOhOFqCipR/9M6LR6ZS
Malware Config
Signatures
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resource yara_rule behavioral2/memory/2100-0-0x0000000000400000-0x000000000043C000-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\{BEFECCA8-11EE-461F-A6B9-0E315CEEC7B1} regsvr32.exe -
Modifies registry class 6 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BEFECCA8-11EE-461F-A6B9-0E315CEEC7B1} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BEFECCA8-11EE-461F-A6B9-0E315CEEC7B1}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3d34d2dd16988a941e28fea8e6324504_JaffaCakes118.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BEFECCA8-11EE-461F-A6B9-0E315CEEC7B1}\InprocServer32\ThreadingModel = "apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BEFECCA8-11EE-461F-A6B9-0E315CEEC7B1}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 912 wrote to memory of 2100 912 regsvr32.exe 83 PID 912 wrote to memory of 2100 912 regsvr32.exe 83 PID 912 wrote to memory of 2100 912 regsvr32.exe 83
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\3d34d2dd16988a941e28fea8e6324504_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:912 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\3d34d2dd16988a941e28fea8e6324504_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:2100
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