Analysis
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max time kernel
93s -
max time network
97s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
15-07-2024 22:45
Behavioral task
behavioral1
Sample
4bbb7bae8ec31ed073e0ec2fa5b28268_JaffaCakes118.dll
Resource
win7-20240708-en
windows7-x64
4 signatures
150 seconds
General
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Target
4bbb7bae8ec31ed073e0ec2fa5b28268_JaffaCakes118.dll
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Size
95KB
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MD5
4bbb7bae8ec31ed073e0ec2fa5b28268
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SHA1
c60a2930568f7fcd0897bbaf0386fee21d29bcc0
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SHA256
0cc1022ba573268ddd509daa9cbf683492c99996488185854a29b531c331ab49
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SHA512
c74cd25cb46ebd18036c29cd87f6ebdc4adf53cce23dac0f517c37a78646dfa7906e1701a973785cdba725a78835f0180ffc8901c2ef69c9e5e6a8c441788a28
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SSDEEP
1536:NmvfuMdUXuVcc4Rt6r9oHFRgr9+G2ZKZuhzUXz3bMVDpgyhZ+aetKdZo9A:uzUG4kKRYq9hzwzre9ZhZMKUa
Malware Config
Signatures
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resource yara_rule behavioral2/memory/2452-1-0x00000000006E0000-0x0000000000724000-memory.dmp upx behavioral2/memory/2452-0-0x00000000006E0000-0x0000000000724000-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\{FB304E60-246A-4354-8CCE-70EA86AA72F6} regsvr32.exe -
Modifies registry class 6 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FB304E60-246A-4354-8CCE-70EA86AA72F6} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FB304E60-246A-4354-8CCE-70EA86AA72F6}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\4bbb7bae8ec31ed073e0ec2fa5b28268_JaffaCakes118.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FB304E60-246A-4354-8CCE-70EA86AA72F6}\InprocServer32\ThreadingModel = "apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FB304E60-246A-4354-8CCE-70EA86AA72F6}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5012 wrote to memory of 2452 5012 regsvr32.exe 83 PID 5012 wrote to memory of 2452 5012 regsvr32.exe 83 PID 5012 wrote to memory of 2452 5012 regsvr32.exe 83
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\4bbb7bae8ec31ed073e0ec2fa5b28268_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:5012 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\4bbb7bae8ec31ed073e0ec2fa5b28268_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:2452
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