Analysis
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max time kernel
16s -
max time network
17s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
10-08-2024 20:12
Static task
static1
Behavioral task
behavioral1
Sample
87822c467fa94da6ae124b8083831ff9_JaffaCakes118.dll
Resource
win7-20240729-en
General
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Target
87822c467fa94da6ae124b8083831ff9_JaffaCakes118.dll
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Size
634KB
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MD5
87822c467fa94da6ae124b8083831ff9
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SHA1
706f57d661bbc4b9f0faf2f439f889c690bb218f
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SHA256
6f2a6bd343afde00094275cb44a201c8278e49a0bfada80a8d76729bed8cc995
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SHA512
e1bf8e1fe11f04092642df097a5afff15842710e405216279af3d6946757a8c51ad9037813c5373171acfe9841b165d79a0a6257e62d3b6ac4421aec926662a2
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SSDEEP
12288:2M0t9FNcxDMmfrLAF8rZIRf2MmsXaBr2dqFhB/fO79s:etjNcXnVInvam6hJ
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\{CC01FC6C-988F-8888-3879-A131E9CDBC68} 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 11 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-988F-8888-3879-A131E9CDBC68}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-988F-8888-3879-A131E9CDBC68}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\87822c467fa94da6ae124b8083831ff9_JaffaCakes118.axc regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\87822c467fa94da6ae124b8083831ff9_JaffaCakes118.axc\ = "axc" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\87822c467fa94da6ae124b8083831ff9_JaffaCakes118.axc\Clsid regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-988F-8888-3879-A131E9CDBC68}\ProgID\ = "87822c467fa94da6ae124b8083831ff9_JaffaCakes118.axc" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-988F-8888-3879-A131E9CDBC68} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-988F-8888-3879-A131E9CDBC68}\ = "axc" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-988F-8888-3879-A131E9CDBC68}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\87822c467fa94da6ae124b8083831ff9_JaffaCakes118.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\87822c467fa94da6ae124b8083831ff9_JaffaCakes118.axc\Clsid\ = "{CC01FC6C-988F-8888-3879-A131E9CDBC68}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-988F-8888-3879-A131E9CDBC68}\ProgID regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 848 wrote to memory of 2488 848 regsvr32.exe 29 PID 848 wrote to memory of 2488 848 regsvr32.exe 29 PID 848 wrote to memory of 2488 848 regsvr32.exe 29 PID 848 wrote to memory of 2488 848 regsvr32.exe 29 PID 848 wrote to memory of 2488 848 regsvr32.exe 29 PID 848 wrote to memory of 2488 848 regsvr32.exe 29 PID 848 wrote to memory of 2488 848 regsvr32.exe 29
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\87822c467fa94da6ae124b8083831ff9_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:848 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\87822c467fa94da6ae124b8083831ff9_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:2488
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