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Analysis
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max time kernel
119s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system -
submitted
25/08/2024, 19:57
Behavioral task
behavioral1
Sample
c17546c4b075019c0759d8725676eaf9_JaffaCakes118.dll
Resource
win7-20240705-en
General
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Target
c17546c4b075019c0759d8725676eaf9_JaffaCakes118.dll
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Size
86KB
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MD5
c17546c4b075019c0759d8725676eaf9
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SHA1
7b080a127ae7e59c1c3d9125481054e6242ce54b
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SHA256
afc3524257abba6f482dfa6f842ce4a21f143774090952ddc385b30e9c99c56e
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SHA512
c7c7f712752863004e2977b3a1ad9bf503698cfe54dd95742c6748563c8e1c6b54702f3fa6f78fc06a91252b218a9adf958e8603b323121c4d2395cf36e25257
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SSDEEP
1536:XYvynn+A2VjSCRZO59cRIagrPmvJl5tSS7UWt4ssJjHIEwn22h9coYfGe:Iv4+Ay0XcRpgjmRl/SS7F4scjHIEwVcY
Malware Config
Signatures
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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\{4914B0F2-7AD0-49CA-85B8-E5922AEBD364} regsvr32.exe -
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 regsvr32.exe -
Modifies registry class 6 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4914B0F2-7AD0-49CA-85B8-E5922AEBD364}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4914B0F2-7AD0-49CA-85B8-E5922AEBD364} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4914B0F2-7AD0-49CA-85B8-E5922AEBD364}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\c17546c4b075019c0759d8725676eaf9_JaffaCakes118.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4914B0F2-7AD0-49CA-85B8-E5922AEBD364}\InprocServer32\ThreadingModel = "apartment" regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 756 wrote to memory of 1340 756 regsvr32.exe 31 PID 756 wrote to memory of 1340 756 regsvr32.exe 31 PID 756 wrote to memory of 1340 756 regsvr32.exe 31 PID 756 wrote to memory of 1340 756 regsvr32.exe 31 PID 756 wrote to memory of 1340 756 regsvr32.exe 31 PID 756 wrote to memory of 1340 756 regsvr32.exe 31 PID 756 wrote to memory of 1340 756 regsvr32.exe 31
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\c17546c4b075019c0759d8725676eaf9_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:756 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\c17546c4b075019c0759d8725676eaf9_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:1340
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