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Analysis
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max time kernel
140s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
11/08/2024, 13:12
Static task
static1
Behavioral task
behavioral1
Sample
8a7cc2a5180f859610636eede394bacd_JaffaCakes118.dll
Resource
win7-20240704-en
General
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Target
8a7cc2a5180f859610636eede394bacd_JaffaCakes118.dll
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Size
634KB
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MD5
8a7cc2a5180f859610636eede394bacd
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SHA1
2fd08b80f36d4bf1556d1ca7f31aafe5e1f99d08
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SHA256
93d261aa584f9e3548a699693be23e58b1afcc52bf9bddac2cb85285f3bf92ca
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SHA512
7da24e3b8c9e9f759186cddaf2c8431af6018deff5c48b07a3b695995e5156a851870ee58542be883d265e31fef6b13a194c0d9d46ac55bc19b2bc5d4747e625
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SSDEEP
12288:uM0t9FNcxDMmfrLAF8rZIRf2MmsXacY1hU/fO79s:GtjNcXnVInva9hU
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-FE15-93C9-8482-BB43D7565156} 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 Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-FE15-93C9-8482-BB43D7565156}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8a7cc2a5180f859610636eede394bacd_JaffaCakes118.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\8a7cc2a5180f859610636eede394bacd_JaffaCakes118.axc regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\8a7cc2a5180f859610636eede394bacd_JaffaCakes118.axc\ = "axc" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\8a7cc2a5180f859610636eede394bacd_JaffaCakes118.axc\Clsid\ = "{CC01FC6C-FE15-93C9-8482-BB43D7565156}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-FE15-93C9-8482-BB43D7565156}\ProgID\ = "8a7cc2a5180f859610636eede394bacd_JaffaCakes118.axc" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-FE15-93C9-8482-BB43D7565156} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-FE15-93C9-8482-BB43D7565156}\ = "axc" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-FE15-93C9-8482-BB43D7565156}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-FE15-93C9-8482-BB43D7565156}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\8a7cc2a5180f859610636eede394bacd_JaffaCakes118.axc\Clsid regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-FE15-93C9-8482-BB43D7565156}\ProgID regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3164 wrote to memory of 1836 3164 regsvr32.exe 84 PID 3164 wrote to memory of 1836 3164 regsvr32.exe 84 PID 3164 wrote to memory of 1836 3164 regsvr32.exe 84
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\8a7cc2a5180f859610636eede394bacd_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:3164 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\8a7cc2a5180f859610636eede394bacd_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:1836
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