Analysis
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max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
22-06-2024 11:52
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
02029a3e2b9f1146d7fad153032eb1d6_JaffaCakes118.dll
Resource
win7-20240221-en
3 signatures
150 seconds
General
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Target
02029a3e2b9f1146d7fad153032eb1d6_JaffaCakes118.dll
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Size
473KB
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MD5
02029a3e2b9f1146d7fad153032eb1d6
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SHA1
2c442064a17a22227789c66382393c5b2136ffb9
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SHA256
1519515928cc253ed7c9b33aa4ae74c8f5f2a70acd824c2e3c9f0d5ee444c821
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SHA512
0ea4114b1b50dcc784b22c7af3006b418ed0c71c1b0794d315f113b2942e2d9a49e3ffdb2289f5f3c8e437fb31a0dcd70cd8118b69174034046cc931e7bf4aaf
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SSDEEP
12288:bmft8PTfDzdyExHtWTjI/U1a6q1mGL1lEknjOK:qtgf7ZtWrImI1VnD
Malware Config
Signatures
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Installs/modifies Browser Helper Object 2 TTPs 2 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\{42B448E1-483C-4BDB-991E-D10E5D546150} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{42B448E1-483C-4BDB-991E-D10E5D546150}\ regsvr32.exe -
Modifies registry class 11 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\02029a3e2b9f1146d7fad153032eb1d6_JaffaCakes118.VagaaÍ۸»ʱ´ú\Clsid regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42B448E1-483C-4BDB-991E-D10E5D546150}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42B448E1-483C-4BDB-991E-D10E5D546150}\ProgID\ = "02029a3e2b9f1146d7fad153032eb1d6_JaffaCakes118.VagaaÍ۸»\u00adʱ´ú" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42B448E1-483C-4BDB-991E-D10E5D546150}\ = "Ö§³Ö¶àÖÖÐ\u00adÒéµÄBT" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42B448E1-483C-4BDB-991E-D10E5D546150}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42B448E1-483C-4BDB-991E-D10E5D546150}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\02029a3e2b9f1146d7fad153032eb1d6_JaffaCakes118.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42B448E1-483C-4BDB-991E-D10E5D546150}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42B448E1-483C-4BDB-991E-D10E5D546150} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\02029a3e2b9f1146d7fad153032eb1d6_JaffaCakes118.VagaaÍ۸»ʱ´ú regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\02029a3e2b9f1146d7fad153032eb1d6_JaffaCakes118.VagaaÍ۸»ʱ´ú\ = "Ö§³Ö¶àÖÖÐ\u00adÒéµÄBT" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\02029a3e2b9f1146d7fad153032eb1d6_JaffaCakes118.VagaaÍ۸»ʱ´ú\Clsid\ = "{42B448E1-483C-4BDB-991E-D10E5D546150}" regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2412 wrote to memory of 2124 2412 regsvr32.exe 28 PID 2412 wrote to memory of 2124 2412 regsvr32.exe 28 PID 2412 wrote to memory of 2124 2412 regsvr32.exe 28 PID 2412 wrote to memory of 2124 2412 regsvr32.exe 28 PID 2412 wrote to memory of 2124 2412 regsvr32.exe 28 PID 2412 wrote to memory of 2124 2412 regsvr32.exe 28 PID 2412 wrote to memory of 2124 2412 regsvr32.exe 28
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\02029a3e2b9f1146d7fad153032eb1d6_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2412 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\02029a3e2b9f1146d7fad153032eb1d6_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:2124
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